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Add batch_size option to httpSink

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This commit is contained in:
Thomas Roehl 2022-05-04 13:05:10 +02:00
parent 38d4e0a730
commit feb8f16af8
2 changed files with 10 additions and 0 deletions
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8
sinks/httpSink.go
View File

@ -22,6 +22,7 @@ type HttpSinkConfig struct {
MaxIdleConns int `json:"max_idle_connections,omitempty"`
IdleConnTimeout string `json:"idle_connection_timeout,omitempty"`
FlushDelay string `json:"flush_delay,omitempty"`
BatchSize int `json:"batch_size,omitempty"`
}
type HttpSink struct {
@ -36,6 +37,7 @@ type HttpSink struct {
idleConnTimeout time.Duration
timeout time.Duration
flushDelay time.Duration
batchSize int
}
func (s *HttpSink) Write(m lp.CCMetric) error {
@ -57,6 +59,7 @@ func (s *HttpSink) Write(m lp.CCMetric) error {
s.lock.Lock()
_, err := s.encoder.Encode(p)
s.batchSize++
s.lock.Unlock() // defer does not work here as Flush() takes the lock as well
if err != nil {
@ -68,6 +71,9 @@ func (s *HttpSink) Write(m lp.CCMetric) error {
if s.flushDelay == 0 {
return s.Flush()
}
if s.batchSize == s.config.BatchSize {
return s.Flush()
}
return err
}
@ -99,6 +105,7 @@ func (s *HttpSink) Flush() error {
// Clear buffer
s.buffer.Reset()
s.batchSize = 0
// Handle transport/tcp errors
if err != nil {
@ -132,6 +139,7 @@ func NewHttpSink(name string, config json.RawMessage) (Sink, error) {
s.config.IdleConnTimeout = "5s"
s.config.Timeout = "5s"
s.config.FlushDelay = "1s"
s.config.BatchSize = 100
// Read config
if len(config) > 0 {

2
sinks/httpSink.md
View File

@ -15,6 +15,7 @@ The `http` sink uses POST requests to a HTTP server to submit the metrics in the
"max_idle_connections" : 10,
"idle_connection_timeout" : "5s",
"flush_delay": "2s",
"batch_size" : 100
}
}
```
@ -27,3 +28,4 @@ The `http` sink uses POST requests to a HTTP server to submit the metrics in the
- `max_idle_connections`: Maximally idle connections (default 10)
- `idle_connection_timeout`: Timeout for idle connections (default '5s')
- `flush_delay`: Batch all writes arriving in during this duration (default '1s', batching can be disabled by setting it to 0)
- `batch_size`: Maximal number of batched metrics. Either it is flushed because batch size or the `flush_delay` is reached