mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-11-10 08:57:25 +01:00
Merge pull request #286 from ClusterCockpit/devel
Sampling Feature for archived and fresh data
This commit is contained in:
commit
90886b63d6
@ -172,7 +172,6 @@ func cleanup() {
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func TestRestApi(t *testing.T) {
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restapi := setup(t)
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t.Cleanup(cleanup)
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testData := schema.JobData{
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"load_one": map[schema.MetricScope]*schema.JobMetric{
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schema.MetricScopeNode: {
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@ -189,7 +188,7 @@ func TestRestApi(t *testing.T) {
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},
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}
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metricdata.TestLoadDataCallback = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) {
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metricdata.TestLoadDataCallback = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context, resolution int) (schema.JobData, error) {
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return testData, nil
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}
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@ -341,7 +340,7 @@ func TestRestApi(t *testing.T) {
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}
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t.Run("CheckArchive", func(t *testing.T) {
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data, err := metricdata.LoadData(stoppedJob, []string{"load_one"}, []schema.MetricScope{schema.MetricScopeNode}, context.Background())
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data, err := metricdata.LoadData(stoppedJob, []string{"load_one"}, []schema.MetricScope{schema.MetricScopeNode}, context.Background(), 60)
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if err != nil {
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t.Fatal(err)
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}
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@ -514,8 +514,15 @@ func (api *RestApi) getCompleteJobById(rw http.ResponseWriter, r *http.Request)
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var data schema.JobData
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metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
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resolution := 0
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for _, mc := range metricConfigs {
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resolution = max(resolution, mc.Timestep)
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}
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if r.URL.Query().Get("all-metrics") == "true" {
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data, err = metricdata.LoadData(job, nil, scopes, r.Context())
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data, err = metricdata.LoadData(job, nil, scopes, r.Context(), resolution)
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if err != nil {
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log.Warn("Error while loading job data")
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return
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@ -604,7 +611,14 @@ func (api *RestApi) getJobById(rw http.ResponseWriter, r *http.Request) {
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scopes = []schema.MetricScope{"node"}
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}
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data, err := metricdata.LoadData(job, metrics, scopes, r.Context())
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metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
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resolution := 0
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for _, mc := range metricConfigs {
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resolution = max(resolution, mc.Timestep)
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}
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data, err := metricdata.LoadData(job, metrics, scopes, r.Context(), resolution)
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if err != nil {
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log.Warn("Error while loading job data")
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return
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@ -237,7 +237,7 @@ func (r *queryResolver) JobMetrics(ctx context.Context, id string, metrics []str
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}
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log.Debugf(">>>>> REQUEST DATA HERE FOR %v AT SCOPE %v WITH RESOLUTION OF %d", metrics, scopes, *resolution)
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data, err := metricdata.LoadData(job, metrics, scopes, ctx)
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data, err := metricdata.LoadData(job, metrics, scopes, ctx, *resolution)
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if err != nil {
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log.Warn("Error while loading job data")
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return nil, err
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@ -12,6 +12,7 @@ import (
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"github.com/99designs/gqlgen/graphql"
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"github.com/ClusterCockpit/cc-backend/internal/graph/model"
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"github.com/ClusterCockpit/cc-backend/internal/metricdata"
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"github.com/ClusterCockpit/cc-backend/pkg/archive"
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"github.com/ClusterCockpit/cc-backend/pkg/log"
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"github.com/ClusterCockpit/cc-backend/pkg/schema"
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// "github.com/ClusterCockpit/cc-backend/pkg/archive"
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@ -47,7 +48,14 @@ func (r *queryResolver) rooflineHeatmap(
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continue
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}
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jobdata, err := metricdata.LoadData(job, []string{"flops_any", "mem_bw"}, []schema.MetricScope{schema.MetricScopeNode}, ctx)
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metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
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resolution := 0
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for _, mc := range metricConfigs {
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resolution = max(resolution, mc.Timestep)
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}
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jobdata, err := metricdata.LoadData(job, []string{"flops_any", "mem_bw"}, []schema.MetricScope{schema.MetricScopeNode}, ctx, resolution)
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if err != nil {
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log.Errorf("Error while loading roofline metrics for job %d", job.ID)
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return nil, err
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@ -55,6 +55,7 @@ type ApiQuery struct {
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SubType *string `json:"subtype,omitempty"`
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Metric string `json:"metric"`
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Hostname string `json:"host"`
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Resolution int `json:"resolution"`
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TypeIds []string `json:"type-ids,omitempty"`
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SubTypeIds []string `json:"subtype-ids,omitempty"`
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Aggregate bool `json:"aggreg"`
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@ -70,6 +71,7 @@ type ApiMetricData struct {
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Data []schema.Float `json:"data"`
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From int64 `json:"from"`
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To int64 `json:"to"`
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Resolution int `json:"resolution"`
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Avg schema.Float `json:"avg"`
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Min schema.Float `json:"min"`
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Max schema.Float `json:"max"`
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@ -83,7 +85,7 @@ func (ccms *CCMetricStore) Init(rawConfig json.RawMessage) error {
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}
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ccms.url = config.Url
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ccms.queryEndpoint = fmt.Sprintf("%s/api/query", config.Url)
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ccms.queryEndpoint = fmt.Sprintf("%s/api/query/", config.Url)
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ccms.jwt = config.Token
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ccms.client = http.Client{
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Timeout: 10 * time.Second,
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@ -129,7 +131,7 @@ func (ccms *CCMetricStore) doRequest(
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return nil, err
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, ccms.queryEndpoint, buf)
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, ccms.queryEndpoint, buf)
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if err != nil {
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log.Warn("Error while building request body")
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return nil, err
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@ -162,8 +164,9 @@ func (ccms *CCMetricStore) LoadData(
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metrics []string,
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scopes []schema.MetricScope,
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ctx context.Context,
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resolution int,
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) (schema.JobData, error) {
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queries, assignedScope, err := ccms.buildQueries(job, metrics, scopes)
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queries, assignedScope, err := ccms.buildQueries(job, metrics, scopes, resolution)
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if err != nil {
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log.Warn("Error while building queries")
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return nil, err
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@ -196,10 +199,11 @@ func (ccms *CCMetricStore) LoadData(
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}
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jobMetric, ok := jobData[metric][scope]
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if !ok {
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jobMetric = &schema.JobMetric{
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Unit: mc.Unit,
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Timestep: mc.Timestep,
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Timestep: row[0].Resolution,
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Series: make([]schema.Series, 0),
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}
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jobData[metric][scope] = jobMetric
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@ -251,7 +255,6 @@ func (ccms *CCMetricStore) LoadData(
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/* Returns list for "partial errors" */
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return jobData, fmt.Errorf("METRICDATA/CCMS > Errors: %s", strings.Join(errors, ", "))
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}
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return jobData, nil
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}
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@ -267,6 +270,7 @@ func (ccms *CCMetricStore) buildQueries(
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job *schema.Job,
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metrics []string,
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scopes []schema.MetricScope,
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resolution int,
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) ([]ApiQuery, []schema.MetricScope, error) {
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queries := make([]ApiQuery, 0, len(metrics)*len(scopes)*len(job.Resources))
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assignedScope := []schema.MetricScope{}
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@ -323,6 +327,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: false,
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Type: &acceleratorString,
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TypeIds: host.Accelerators,
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, schema.MetricScopeAccelerator)
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continue
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@ -340,6 +345,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &acceleratorString,
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TypeIds: host.Accelerators,
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -353,6 +359,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: false,
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Type: &hwthreadString,
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TypeIds: intToStringSlice(hwthreads),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -368,6 +375,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &hwthreadString,
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TypeIds: intToStringSlice(topology.Core[core]),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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}
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@ -384,6 +392,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &hwthreadString,
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TypeIds: intToStringSlice(topology.Socket[socket]),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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}
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@ -398,6 +407,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &hwthreadString,
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TypeIds: intToStringSlice(hwthreads),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -412,6 +422,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: false,
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Type: &coreString,
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TypeIds: intToStringSlice(cores),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -426,6 +437,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &coreString,
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TypeIds: intToStringSlice(cores),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -440,6 +452,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: false,
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Type: &memoryDomainString,
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TypeIds: intToStringSlice(sockets),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -454,6 +467,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &memoryDomainString,
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TypeIds: intToStringSlice(sockets),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -468,6 +482,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: false,
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Type: &socketString,
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TypeIds: intToStringSlice(sockets),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -482,6 +497,7 @@ func (ccms *CCMetricStore) buildQueries(
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Aggregate: true,
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Type: &socketString,
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TypeIds: intToStringSlice(sockets),
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -492,6 +508,7 @@ func (ccms *CCMetricStore) buildQueries(
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queries = append(queries, ApiQuery{
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Metric: remoteName,
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Hostname: host.Hostname,
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Resolution: resolution,
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})
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assignedScope = append(assignedScope, scope)
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continue
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@ -510,7 +527,15 @@ func (ccms *CCMetricStore) LoadStats(
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metrics []string,
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ctx context.Context,
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) (map[string]map[string]schema.MetricStatistics, error) {
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queries, _, err := ccms.buildQueries(job, metrics, []schema.MetricScope{schema.MetricScopeNode}) // #166 Add scope shere for analysis view accelerator normalization?
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metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
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resolution := 9000
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for _, mc := range metricConfigs {
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resolution = min(resolution, mc.Timestep)
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}
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queries, _, err := ccms.buildQueries(job, metrics, []schema.MetricScope{schema.MetricScopeNode}, resolution) // #166 Add scope shere for analysis view accelerator normalization?
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if err != nil {
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log.Warn("Error while building query")
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return nil, err
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|
@ -60,7 +60,8 @@ func (idb *InfluxDBv2DataRepository) LoadData(
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job *schema.Job,
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metrics []string,
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scopes []schema.MetricScope,
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ctx context.Context) (schema.JobData, error) {
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ctx context.Context,
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resolution int) (schema.JobData, error) {
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measurementsConds := make([]string, 0, len(metrics))
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for _, m := range metrics {
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|
@ -15,6 +15,7 @@ import (
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"github.com/ClusterCockpit/cc-backend/pkg/archive"
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"github.com/ClusterCockpit/cc-backend/pkg/log"
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"github.com/ClusterCockpit/cc-backend/pkg/lrucache"
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"github.com/ClusterCockpit/cc-backend/pkg/resampler"
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"github.com/ClusterCockpit/cc-backend/pkg/schema"
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)
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@ -24,7 +25,7 @@ type MetricDataRepository interface {
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Init(rawConfig json.RawMessage) error
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// Return the JobData for the given job, only with the requested metrics.
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LoadData(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error)
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LoadData(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context, resolution int) (schema.JobData, error)
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// Return a map of metrics to a map of nodes to the metric statistics of the job. node scope assumed for now.
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LoadStats(job *schema.Job, metrics []string, ctx context.Context) (map[string]map[string]schema.MetricStatistics, error)
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@ -80,8 +81,9 @@ func LoadData(job *schema.Job,
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metrics []string,
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scopes []schema.MetricScope,
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ctx context.Context,
|
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resolution int,
|
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) (schema.JobData, error) {
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data := cache.Get(cacheKey(job, metrics, scopes), func() (_ interface{}, ttl time.Duration, size int) {
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data := cache.Get(cacheKey(job, metrics, scopes, resolution), func() (_ interface{}, ttl time.Duration, size int) {
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var jd schema.JobData
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var err error
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@ -106,7 +108,7 @@ func LoadData(job *schema.Job,
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}
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}
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jd, err = repo.LoadData(job, metrics, scopes, ctx)
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jd, err = repo.LoadData(job, metrics, scopes, ctx, resolution)
|
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if err != nil {
|
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if len(jd) != 0 {
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log.Warnf("partial error: %s", err.Error())
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@ -118,12 +120,31 @@ func LoadData(job *schema.Job,
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}
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size = jd.Size()
|
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} else {
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jd, err = archive.GetHandle().LoadJobData(job)
|
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var jd_temp schema.JobData
|
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jd_temp, err = archive.GetHandle().LoadJobData(job)
|
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if err != nil {
|
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log.Error("Error while loading job data from archive")
|
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return err, 0, 0
|
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}
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|
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//Deep copy the cached arhive hashmap
|
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jd = DeepCopy(jd_temp)
|
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|
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//Resampling for archived data.
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//Pass the resolution from frontend here.
|
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for _, v := range jd {
|
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for _, v_ := range v {
|
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timestep := 0
|
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for i := 0; i < len(v_.Series); i += 1 {
|
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v_.Series[i].Data, timestep, err = resampler.LargestTriangleThreeBucket(v_.Series[i].Data, v_.Timestep, resolution)
|
||||
if err != nil {
|
||||
return err, 0, 0
|
||||
}
|
||||
}
|
||||
v_.Timestep = timestep
|
||||
}
|
||||
}
|
||||
|
||||
// Avoid sending unrequested data to the client:
|
||||
if metrics != nil || scopes != nil {
|
||||
if metrics == nil {
|
||||
@ -254,11 +275,12 @@ func cacheKey(
|
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job *schema.Job,
|
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metrics []string,
|
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scopes []schema.MetricScope,
|
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resolution int,
|
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) string {
|
||||
// Duration and StartTime do not need to be in the cache key as StartTime is less unique than
|
||||
// job.ID and the TTL of the cache entry makes sure it does not stay there forever.
|
||||
return fmt.Sprintf("%d(%s):[%v],[%v]",
|
||||
job.ID, job.State, metrics, scopes)
|
||||
return fmt.Sprintf("%d(%s):[%v],[%v]-%d",
|
||||
job.ID, job.State, metrics, scopes, resolution)
|
||||
}
|
||||
|
||||
// For /monitoring/job/<job> and some other places, flops_any and mem_bw need
|
||||
@ -297,8 +319,11 @@ func prepareJobData(
|
||||
func ArchiveJob(job *schema.Job, ctx context.Context) (*schema.JobMeta, error) {
|
||||
allMetrics := make([]string, 0)
|
||||
metricConfigs := archive.GetCluster(job.Cluster).MetricConfig
|
||||
resolution := 0
|
||||
|
||||
for _, mc := range metricConfigs {
|
||||
allMetrics = append(allMetrics, mc.Name)
|
||||
resolution = mc.Timestep
|
||||
}
|
||||
|
||||
// TODO: Talk about this! What resolutions to store data at...
|
||||
@ -311,7 +336,7 @@ func ArchiveJob(job *schema.Job, ctx context.Context) (*schema.JobMeta, error) {
|
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scopes = append(scopes, schema.MetricScopeAccelerator)
|
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}
|
||||
|
||||
jobData, err := LoadData(job, allMetrics, scopes, ctx)
|
||||
jobData, err := LoadData(job, allMetrics, scopes, ctx, resolution)
|
||||
if err != nil {
|
||||
log.Error("Error wile loading job data for archiving")
|
||||
return nil, err
|
||||
|
@ -265,6 +265,7 @@ func (pdb *PrometheusDataRepository) LoadData(
|
||||
metrics []string,
|
||||
scopes []schema.MetricScope,
|
||||
ctx context.Context,
|
||||
resolution int,
|
||||
) (schema.JobData, error) {
|
||||
// TODO respect requested scope
|
||||
if len(scopes) == 0 || !contains(scopes, schema.MetricScopeNode) {
|
||||
@ -356,7 +357,7 @@ func (pdb *PrometheusDataRepository) LoadStats(
|
||||
// map of metrics of nodes of stats
|
||||
stats := map[string]map[string]schema.MetricStatistics{}
|
||||
|
||||
data, err := pdb.LoadData(job, metrics, []schema.MetricScope{schema.MetricScopeNode}, ctx)
|
||||
data, err := pdb.LoadData(job, metrics, []schema.MetricScope{schema.MetricScopeNode}, ctx, 0 /*resolution here*/)
|
||||
if err != nil {
|
||||
log.Warn("Error while loading job for stats")
|
||||
return nil, err
|
||||
|
@ -12,7 +12,7 @@ import (
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/schema"
|
||||
)
|
||||
|
||||
var TestLoadDataCallback func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) {
|
||||
var TestLoadDataCallback func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context, resolution int) (schema.JobData, error) = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context, resolution int) (schema.JobData, error) {
|
||||
panic("TODO")
|
||||
}
|
||||
|
||||
@ -27,9 +27,10 @@ func (tmdr *TestMetricDataRepository) LoadData(
|
||||
job *schema.Job,
|
||||
metrics []string,
|
||||
scopes []schema.MetricScope,
|
||||
ctx context.Context) (schema.JobData, error) {
|
||||
ctx context.Context,
|
||||
resolution int) (schema.JobData, error) {
|
||||
|
||||
return TestLoadDataCallback(job, metrics, scopes, ctx)
|
||||
return TestLoadDataCallback(job, metrics, scopes, ctx, resolution)
|
||||
}
|
||||
|
||||
func (tmdr *TestMetricDataRepository) LoadStats(
|
||||
@ -48,3 +49,41 @@ func (tmdr *TestMetricDataRepository) LoadNodeData(
|
||||
|
||||
panic("TODO")
|
||||
}
|
||||
|
||||
func DeepCopy(jd_temp schema.JobData) schema.JobData {
|
||||
var jd schema.JobData
|
||||
|
||||
jd = make(schema.JobData, len(jd_temp))
|
||||
for k, v := range jd_temp {
|
||||
jd[k] = make(map[schema.MetricScope]*schema.JobMetric, len(jd_temp[k]))
|
||||
for k_, v_ := range v {
|
||||
jd[k][k_] = new(schema.JobMetric)
|
||||
jd[k][k_].Series = make([]schema.Series, len(v_.Series))
|
||||
for i := 0; i < len(v_.Series); i += 1 {
|
||||
jd[k][k_].Series[i].Data = make([]schema.Float, len(v_.Series[i].Data))
|
||||
copy(jd[k][k_].Series[i].Data, v_.Series[i].Data)
|
||||
jd[k][k_].Series[i].Hostname = v_.Series[i].Hostname
|
||||
jd[k][k_].Series[i].Id = v_.Series[i].Id
|
||||
jd[k][k_].Series[i].Statistics.Avg = v_.Series[i].Statistics.Avg
|
||||
jd[k][k_].Series[i].Statistics.Min = v_.Series[i].Statistics.Min
|
||||
jd[k][k_].Series[i].Statistics.Max = v_.Series[i].Statistics.Max
|
||||
}
|
||||
jd[k][k_].Timestep = v_.Timestep
|
||||
jd[k][k_].Unit.Base = v_.Unit.Base
|
||||
jd[k][k_].Unit.Prefix = v_.Unit.Prefix
|
||||
if v_.StatisticsSeries != nil {
|
||||
jd[k][k_].StatisticsSeries = new(schema.StatsSeries)
|
||||
copy(jd[k][k_].StatisticsSeries.Max, v_.StatisticsSeries.Max)
|
||||
copy(jd[k][k_].StatisticsSeries.Min, v_.StatisticsSeries.Min)
|
||||
copy(jd[k][k_].StatisticsSeries.Median, v_.StatisticsSeries.Median)
|
||||
copy(jd[k][k_].StatisticsSeries.Mean, v_.StatisticsSeries.Mean)
|
||||
for k__, v__ := range v_.StatisticsSeries.Percentiles {
|
||||
jd[k][k_].StatisticsSeries.Percentiles[k__] = v__
|
||||
}
|
||||
} else {
|
||||
jd[k][k_].StatisticsSeries = v_.StatisticsSeries
|
||||
}
|
||||
}
|
||||
}
|
||||
return jd
|
||||
}
|
||||
|
@ -9,8 +9,8 @@ import (
|
||||
"io"
|
||||
"time"
|
||||
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/schema"
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/log"
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/schema"
|
||||
)
|
||||
|
||||
func DecodeJobData(r io.Reader, k string) (schema.JobData, error) {
|
||||
|
113
pkg/resampler/resampler.go
Normal file
113
pkg/resampler/resampler.go
Normal file
@ -0,0 +1,113 @@
|
||||
package resampler
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/schema"
|
||||
)
|
||||
|
||||
func SimpleResampler(data []schema.Float, old_frequency int64, new_frequency int64) ([]schema.Float, error) {
|
||||
if old_frequency == 0 || new_frequency == 0 {
|
||||
return nil, errors.New("either old or new frequency is set to 0")
|
||||
}
|
||||
|
||||
if new_frequency%old_frequency != 0 {
|
||||
return nil, errors.New("new sampling frequency should be multiple of the old frequency")
|
||||
}
|
||||
|
||||
var step int = int(new_frequency / old_frequency)
|
||||
var new_data_length = len(data) / step
|
||||
|
||||
if new_data_length == 0 || len(data) < 100 || new_data_length >= len(data) {
|
||||
return data, nil
|
||||
}
|
||||
|
||||
new_data := make([]schema.Float, new_data_length)
|
||||
|
||||
for i := 0; i < new_data_length; i++ {
|
||||
new_data[i] = data[i*step]
|
||||
}
|
||||
|
||||
return new_data, nil
|
||||
}
|
||||
|
||||
// Inspired by one of the algorithms from https://skemman.is/bitstream/1946/15343/3/SS_MSthesis.pdf
|
||||
// Adapted from https://github.com/haoel/downsampling/blob/master/core/lttb.go
|
||||
func LargestTriangleThreeBucket(data []schema.Float, old_frequency int, new_frequency int) ([]schema.Float, int, error) {
|
||||
|
||||
if old_frequency == 0 || new_frequency == 0 {
|
||||
return data, old_frequency, nil
|
||||
}
|
||||
|
||||
if new_frequency%old_frequency != 0 {
|
||||
return nil, 0, errors.New(fmt.Sprintf("new sampling frequency : %d should be multiple of the old frequency : %d", new_frequency, old_frequency))
|
||||
}
|
||||
|
||||
var step int = int(new_frequency / old_frequency)
|
||||
var new_data_length = len(data) / step
|
||||
|
||||
if new_data_length == 0 || len(data) < 100 || new_data_length >= len(data) {
|
||||
return data, old_frequency, nil
|
||||
}
|
||||
|
||||
new_data := make([]schema.Float, 0, new_data_length)
|
||||
|
||||
// Bucket size. Leave room for start and end data points
|
||||
bucketSize := float64(len(data)-2) / float64(new_data_length-2)
|
||||
|
||||
new_data = append(new_data, data[0]) // Always add the first point
|
||||
|
||||
// We have 3 pointers represent for
|
||||
// > bucketLow - the current bucket's beginning location
|
||||
// > bucketMiddle - the current bucket's ending location,
|
||||
// also the beginning location of next bucket
|
||||
// > bucketHight - the next bucket's ending location.
|
||||
bucketLow := 1
|
||||
bucketMiddle := int(math.Floor(bucketSize)) + 1
|
||||
|
||||
var prevMaxAreaPoint int
|
||||
|
||||
for i := 0; i < new_data_length-2; i++ {
|
||||
|
||||
bucketHigh := int(math.Floor(float64(i+2)*bucketSize)) + 1
|
||||
if bucketHigh >= len(data)-1 {
|
||||
bucketHigh = len(data) - 2
|
||||
}
|
||||
|
||||
// Calculate point average for next bucket (containing c)
|
||||
avgPointX, avgPointY := calculateAverageDataPoint(data[bucketMiddle:bucketHigh+1], int64(bucketMiddle))
|
||||
|
||||
// Get the range for current bucket
|
||||
currBucketStart := bucketLow
|
||||
currBucketEnd := bucketMiddle
|
||||
|
||||
// Point a
|
||||
pointX := prevMaxAreaPoint
|
||||
pointY := data[prevMaxAreaPoint]
|
||||
|
||||
maxArea := -1.0
|
||||
|
||||
var maxAreaPoint int
|
||||
for ; currBucketStart < currBucketEnd; currBucketStart++ {
|
||||
|
||||
area := calculateTriangleArea(schema.Float(pointX), pointY, avgPointX, avgPointY, schema.Float(currBucketStart), data[currBucketStart])
|
||||
if area > maxArea {
|
||||
maxArea = area
|
||||
maxAreaPoint = currBucketStart
|
||||
}
|
||||
}
|
||||
|
||||
new_data = append(new_data, data[maxAreaPoint]) // Pick this point from the bucket
|
||||
prevMaxAreaPoint = maxAreaPoint // This MaxArea point is the next's prevMAxAreaPoint
|
||||
|
||||
//move to the next window
|
||||
bucketLow = bucketMiddle
|
||||
bucketMiddle = bucketHigh
|
||||
}
|
||||
|
||||
new_data = append(new_data, data[len(data)-1]) // Always add last
|
||||
|
||||
return new_data, new_frequency, nil
|
||||
}
|
25
pkg/resampler/util.go
Normal file
25
pkg/resampler/util.go
Normal file
@ -0,0 +1,25 @@
|
||||
package resampler
|
||||
|
||||
import (
|
||||
"math"
|
||||
|
||||
"github.com/ClusterCockpit/cc-backend/pkg/schema"
|
||||
)
|
||||
|
||||
func calculateTriangleArea(paX, paY, pbX, pbY, pcX, pcY schema.Float) float64 {
|
||||
area := ((paX-pcX)*(pbY-paY) - (paX-pbX)*(pcY-paY)) * 0.5
|
||||
return math.Abs(float64(area))
|
||||
}
|
||||
|
||||
func calculateAverageDataPoint(points []schema.Float, xStart int64) (avgX schema.Float, avgY schema.Float) {
|
||||
|
||||
for _, point := range points {
|
||||
avgX += schema.Float(xStart)
|
||||
avgY += point
|
||||
xStart++
|
||||
}
|
||||
l := schema.Float(len(points))
|
||||
avgX /= l
|
||||
avgY /= l
|
||||
return avgX, avgY
|
||||
}
|
12
sample.txt
Normal file
12
sample.txt
Normal file
@ -0,0 +1,12 @@
|
||||
HTTP server listening at 127.0.0.1:8080...Key : "demo"
|
||||
Loading data with res : 600
|
||||
Key : "255(completed):[[]],[[]]-600"
|
||||
Key : "var/job-archive/alex/679/951/1675866122/data.json.gz"
|
||||
Key : "partitions:fritz"
|
||||
Key : "partitions:alex"
|
||||
Key : "metadata:255"
|
||||
Key : "footprint:255"
|
||||
Loading data with res : 600
|
||||
Key : "255(completed):[[flops_any mem_bw core_power acc_mem_used cpu_load mem_used acc_power cpu_power nv_sm_clock ipc cpu_user clock nv_mem_util nv_temp acc_utilization]],[[node accelerator socket core]]-600"
|
||||
Key : "var/job-archive/alex/679/951/1675866122/data.json.gz"
|
||||
Existing key : "var/job-archive/alex/679/951/1675866122/data.json.gz" in cache with value
|
@ -110,6 +110,7 @@
|
||||
client: client,
|
||||
query: subQuery,
|
||||
variables: { dbid, selectedMetrics, selectedScopes, selectedResolution },
|
||||
requestPolicy:"network-only"
|
||||
});
|
||||
|
||||
if ($metricData && !$metricData.fetching) {
|
||||
|
Loading…
Reference in New Issue
Block a user