Introduce average resampler support

Fixes #526

Entire-Checkpoint: 893a1de325b5

api/schema.graphqls

@@ -250,6 +250,12 @@ type TimeWeights {
   coreHours: [NullableFloat!]!
 }
 
+enum ResampleAlgo {
+  LTTB
+  AVERAGE
+  SIMPLE
+}
+
 enum Aggregate {
   USER
   PROJECT
@@ -340,6 +346,7 @@ type Query {
     metrics: [String!]
     scopes: [MetricScope!]
     resolution: Int
+    resampleAlgo: ResampleAlgo
   ): [JobMetricWithName!]!
 
   jobStats(id: ID!, metrics: [String!]): [NamedStats!]!
@@ -399,6 +406,7 @@ type Query {
     to: Time!
     page: PageRequest
     resolution: Int
+    resampleAlgo: ResampleAlgo
   ): NodesResultList!
 
   clusterMetrics(

go.mod

@@ -7,28 +7,30 @@ tool (
 	github.com/swaggo/swag/cmd/swag
 )
 
+replace github.com/ClusterCockpit/cc-lib/v2 => ../../prg/CC/cc-lib
+
 require (
 	github.com/99designs/gqlgen v0.17.88
-	github.com/ClusterCockpit/cc-lib/v2 v2.9.1
+	github.com/ClusterCockpit/cc-lib/v2 v2.10.0
 	github.com/ClusterCockpit/cc-line-protocol/v2 v2.4.0
 	github.com/Masterminds/squirrel v1.5.4
-	github.com/aws/aws-sdk-go-v2 v1.41.3
+	github.com/aws/aws-sdk-go-v2 v1.41.4
-	github.com/aws/aws-sdk-go-v2/config v1.32.11
+	github.com/aws/aws-sdk-go-v2/config v1.32.12
-	github.com/aws/aws-sdk-go-v2/credentials v1.19.11
+	github.com/aws/aws-sdk-go-v2/credentials v1.19.12
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.97.0
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.97.1
 	github.com/coreos/go-oidc/v3 v3.17.0
 	github.com/expr-lang/expr v1.17.8
 	github.com/go-chi/chi/v5 v5.2.5
 	github.com/go-chi/cors v1.2.2
 	github.com/go-co-op/gocron/v2 v2.19.1
-	github.com/go-ldap/ldap/v3 v3.4.12
+	github.com/go-ldap/ldap/v3 v3.4.13
 	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/golang-migrate/migrate/v4 v4.19.1
 	github.com/google/gops v0.3.29
 	github.com/gorilla/sessions v1.4.0
 	github.com/jmoiron/sqlx v1.4.0
 	github.com/joho/godotenv v1.5.1
-	github.com/mattn/go-sqlite3 v1.14.34
+	github.com/mattn/go-sqlite3 v1.14.37
 	github.com/parquet-go/parquet-go v0.29.0
 	github.com/qustavo/sqlhooks/v2 v2.1.0
 	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1
@@ -48,20 +50,20 @@ require (
 	github.com/agnivade/levenshtein v1.2.1 // indirect
 	github.com/andybalholm/brotli v1.2.0 // indirect
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.6 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.7 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.19 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.20 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.19 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.20 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.19 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.20 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.5 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.6 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.20 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.21 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.6 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.7 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.11 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.12 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.19 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.20 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.19 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.20 // indirect
-	github.com/aws/aws-sdk-go-v2/service/signin v1.0.7 // indirect
+	github.com/aws/aws-sdk-go-v2/service/signin v1.0.8 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.30.12 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.30.13 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.17 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.41.8 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.41.9 // indirect
 	github.com/aws/smithy-go v1.24.2 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
@@ -94,9 +96,9 @@ require (
 	github.com/nats-io/nats.go v1.49.0 // indirect
 	github.com/nats-io/nkeys v0.4.15 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
-	github.com/oapi-codegen/runtime v1.2.0 // indirect
+	github.com/oapi-codegen/runtime v1.3.0 // indirect
 	github.com/parquet-go/bitpack v1.0.0 // indirect
-	github.com/parquet-go/jsonlite v1.4.0 // indirect
+	github.com/parquet-go/jsonlite v1.5.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.26 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
@@ -110,7 +112,7 @@ require (
 	github.com/urfave/cli/v2 v2.27.7 // indirect
 	github.com/urfave/cli/v3 v3.7.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 // indirect
-	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	go.yaml.in/yaml/v2 v2.4.4 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/mod v0.34.0 // indirect
 	golang.org/x/net v0.52.0 // indirect

go.sum

@@ -4,12 +4,6 @@ github.com/99designs/gqlgen v0.17.88 h1:neMQDgehMwT1vYIOx/w5ZYPUU/iMNAJzRO44I5In
 github.com/99designs/gqlgen v0.17.88/go.mod h1:qeqYFEgOeSKqWedOjogPizimp2iu4E23bdPvl4jTYic=
 github.com/Azure/go-ntlmssp v0.1.0 h1:DjFo6YtWzNqNvQdrwEyr/e4nhU3vRiwenz5QX7sFz+A=
 github.com/Azure/go-ntlmssp v0.1.0/go.mod h1:NYqdhxd/8aAct/s4qSYZEerdPuH1liG2/X9DiVTbhpk=
-github.com/ClusterCockpit/cc-lib/v2 v2.8.2 h1:rCLZk8wz8yq8xBnBEdVKigvA2ngR8dPmHbEFwxxb3jw=
-github.com/ClusterCockpit/cc-lib/v2 v2.8.2/go.mod h1:FwD8vnTIbBM3ngeLNKmCvp9FoSjQZm7xnuaVxEKR23o=
-github.com/ClusterCockpit/cc-lib/v2 v2.9.0 h1:mzUYakcjwb+UP5II4jOvr36rSYct90gXBbtUg+nvm9c=
-github.com/ClusterCockpit/cc-lib/v2 v2.9.0/go.mod h1:FwD8vnTIbBM3ngeLNKmCvp9FoSjQZm7xnuaVxEKR23o=
-github.com/ClusterCockpit/cc-lib/v2 v2.9.1 h1:eplKhXQyGAElBGCEGdmxwj7fLv26Op16uK0KxUePDak=
-github.com/ClusterCockpit/cc-lib/v2 v2.9.1/go.mod h1:FwD8vnTIbBM3ngeLNKmCvp9FoSjQZm7xnuaVxEKR23o=
 github.com/ClusterCockpit/cc-line-protocol/v2 v2.4.0 h1:hIzxgTBWcmCIHtoDKDkSCsKCOCOwUC34sFsbD2wcW0Q=
 github.com/ClusterCockpit/cc-line-protocol/v2 v2.4.0/go.mod h1:y42qUu+YFmu5fdNuUAS4VbbIKxVjxCvbVqFdpdh8ahY=
 github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
@@ -45,40 +39,76 @@ github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE=
 github.com/aws/aws-sdk-go-v2 v1.41.3 h1:4kQ/fa22KjDt13QCy1+bYADvdgcxpfH18f0zP542kZA=
 github.com/aws/aws-sdk-go-v2 v1.41.3/go.mod h1:mwsPRE8ceUUpiTgF7QmQIJ7lgsKUPQOUl3o72QBrE1o=
+github.com/aws/aws-sdk-go-v2 v1.41.4 h1:10f50G7WyU02T56ox1wWXq+zTX9I1zxG46HYuG1hH/k=
+github.com/aws/aws-sdk-go-v2 v1.41.4/go.mod h1:mwsPRE8ceUUpiTgF7QmQIJ7lgsKUPQOUl3o72QBrE1o=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.6 h1:N4lRUXZpZ1KVEUn6hxtco/1d2lgYhNn1fHkkl8WhlyQ=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.6/go.mod h1:lyw7GFp3qENLh7kwzf7iMzAxDn+NzjXEAGjKS2UOKqI=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.7 h1:3kGOqnh1pPeddVa/E37XNTaWJ8W6vrbYV9lJEkCnhuY=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.7/go.mod h1:lyw7GFp3qENLh7kwzf7iMzAxDn+NzjXEAGjKS2UOKqI=
 github.com/aws/aws-sdk-go-v2/config v1.32.11 h1:ftxI5sgz8jZkckuUHXfC/wMUc8u3fG1vQS0plr2F2Zs=
 github.com/aws/aws-sdk-go-v2/config v1.32.11/go.mod h1:twF11+6ps9aNRKEDimksp923o44w/Thk9+8YIlzWMmo=
+github.com/aws/aws-sdk-go-v2/config v1.32.12 h1:O3csC7HUGn2895eNrLytOJQdoL2xyJy0iYXhoZ1OmP0=
+github.com/aws/aws-sdk-go-v2/config v1.32.12/go.mod h1:96zTvoOFR4FURjI+/5wY1vc1ABceROO4lWgWJuxgy0g=
 github.com/aws/aws-sdk-go-v2/credentials v1.19.11 h1:NdV8cwCcAXrCWyxArt58BrvZJ9pZ9Fhf9w6Uh5W3Uyc=
 github.com/aws/aws-sdk-go-v2/credentials v1.19.11/go.mod h1:30yY2zqkMPdrvxBqzI9xQCM+WrlrZKSOpSJEsylVU+8=
+github.com/aws/aws-sdk-go-v2/credentials v1.19.12 h1:oqtA6v+y5fZg//tcTWahyN9PEn5eDU/Wpvc2+kJ4aY8=
+github.com/aws/aws-sdk-go-v2/credentials v1.19.12/go.mod h1:U3R1RtSHx6NB0DvEQFGyf/0sbrpJrluENHdPy1j/3TE=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.19 h1:INUvJxmhdEbVulJYHI061k4TVuS3jzzthNvjqvVvTKM=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.19/go.mod h1:FpZN2QISLdEBWkayloda+sZjVJL+e9Gl0k1SyTgcswU=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.20 h1:zOgq3uezl5nznfoK3ODuqbhVg1JzAGDUhXOsU0IDCAo=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.20/go.mod h1:z/MVwUARehy6GAg/yQ1GO2IMl0k++cu1ohP9zo887wE=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.19 h1:/sECfyq2JTifMI2JPyZ4bdRN77zJmr6SrS1eL3augIA=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.19/go.mod h1:dMf8A5oAqr9/oxOfLkC/c2LU/uMcALP0Rgn2BD5LWn0=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.20 h1:CNXO7mvgThFGqOFgbNAP2nol2qAWBOGfqR/7tQlvLmc=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.20/go.mod h1:oydPDJKcfMhgfcgBUZaG+toBbwy8yPWubJXBVERtI4o=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.19 h1:AWeJMk33GTBf6J20XJe6qZoRSJo0WfUhsMdUKhoODXE=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.19/go.mod h1:+GWrYoaAsV7/4pNHpwh1kiNLXkKaSoppxQq9lbH8Ejw=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.20 h1:tN6W/hg+pkM+tf9XDkWUbDEjGLb+raoBMFsTodcoYKw=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.20/go.mod h1:YJ898MhD067hSHA6xYCx5ts/jEd8BSOLtQDL3iZsvbc=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.5 h1:clHU5fm//kWS1C2HgtgWxfQbFbx4b6rx+5jzhgX9HrI=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.5/go.mod h1:O3h0IK87yXci+kg6flUKzJnWeziQUKciKrLjcatSNcY=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.8.6 h1:qYQ4pzQ2Oz6WpQ8T3HvGHnZydA72MnLuFK9tJwmrbHw=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.8.6/go.mod h1:O3h0IK87yXci+kg6flUKzJnWeziQUKciKrLjcatSNcY=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.20 h1:qi3e/dmpdONhj1RyIZdi6DKKpDXS5Lb8ftr3p7cyHJc=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.20/go.mod h1:V1K+TeJVD5JOk3D9e5tsX2KUdL7BlB+FV6cBhdobN8c=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.21 h1:SwGMTMLIlvDNyhMteQ6r8IJSBPlRdXX5d4idhIGbkXA=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.21/go.mod h1:UUxgWxofmOdAMuqEsSppbDtGKLfR04HGsD0HXzvhI1k=
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 github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.11/go.mod h1:aEUS4WrNk/+FxkBZZa7tVgp4pGH+kFGW40Y8rCPqt5g=
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 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.19/go.mod h1:/rARO8psX+4sfjUQXp5LLifjUt8DuATZ31WptNJTyQA=
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+github.com/aws/aws-sdk-go-v2/service/signin v1.0.8 h1:0GFOLzEbOyZABS3PhYfBIx2rNBACYcKty+XGkTgw1ow=
+github.com/aws/aws-sdk-go-v2/service/signin v1.0.8/go.mod h1:LXypKvk85AROkKhOG6/YEcHFPoX+prKTowKnVdcaIxE=
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+github.com/aws/aws-sdk-go-v2/service/sso v1.30.13/go.mod h1:2h/xGEowcW/g38g06g3KpRWDlT+OTfxxI0o1KqayAB8=
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+github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.17/go.mod h1:Al9fFsXjv4KfbzQHGe6V4NZSZQXecFcvaIF4e70FoRA=
 github.com/aws/aws-sdk-go-v2/service/sts v1.41.8 h1:XQTQTF75vnug2TXS8m7CVJfC2nniYPZnO1D4Np761Oo=
 github.com/aws/aws-sdk-go-v2/service/sts v1.41.8/go.mod h1:Xgx+PR1NUOjNmQY+tRMnouRp83JRM8pRMw/vCaVhPkI=
+github.com/aws/aws-sdk-go-v2/service/sts v1.41.9 h1:Cng+OOwCHmFljXIxpEVXAGMnBia8MSU6Ch5i9PgBkcU=
+github.com/aws/aws-sdk-go-v2/service/sts v1.41.9/go.mod h1:LrlIndBDdjA/EeXeyNBle+gyCwTlizzW5ycgWnvIxkk=
 github.com/aws/smithy-go v1.24.2 h1:FzA3bu/nt/vDvmnkg+R8Xl46gmzEDam6mZ1hzmwXFng=
 github.com/aws/smithy-go v1.24.2/go.mod h1:YE2RhdIuDbA5E5bTdciG9KrW3+TiEONeUWCqxX9i1Fc=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -115,6 +145,8 @@ github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZR
 github.com/go-jose/go-jose/v4 v4.1.3/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-ldap/ldap/v3 v3.4.12 h1:1b81mv7MagXZ7+1r7cLTWmyuTqVqdwbtJSjC0DAp9s4=
 github.com/go-ldap/ldap/v3 v3.4.12/go.mod h1:+SPAGcTtOfmGsCb3h1RFiq4xpp4N636G75OEace8lNo=
+github.com/go-ldap/ldap/v3 v3.4.13 h1:+x1nG9h+MZN7h/lUi5Q3UZ0fJ1GyDQYbPvbuH38baDQ=
+github.com/go-ldap/ldap/v3 v3.4.13/go.mod h1:LxsGZV6vbaK0sIvYfsv47rfh4ca0JXokCoKjZxsszv0=
 github.com/go-openapi/jsonpointer v0.22.5 h1:8on/0Yp4uTb9f4XvTrM2+1CPrV05QPZXu+rvu2o9jcA=
 github.com/go-openapi/jsonpointer v0.22.5/go.mod h1:gyUR3sCvGSWchA2sUBJGluYMbe1zazrYWIkWPjjMUY0=
 github.com/go-openapi/jsonreference v0.21.5 h1:6uCGVXU/aNF13AQNggxfysJ+5ZcU4nEAe+pJyVWRdiE=
@@ -219,6 +251,8 @@ github.com/mattn/go-sqlite3 v1.10.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsO
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/mattn/go-sqlite3 v1.14.34 h1:3NtcvcUnFBPsuRcno8pUtupspG/GM+9nZ88zgJcp6Zk=
 github.com/mattn/go-sqlite3 v1.14.34/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/mattn/go-sqlite3 v1.14.37 h1:3DOZp4cXis1cUIpCfXLtmlGolNLp2VEqhiB/PARNBIg=
+github.com/mattn/go-sqlite3 v1.14.37/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 h1:KGuD/pM2JpL9FAYvBrnBBeENKZNh6eNtjqytV6TYjnk=
 github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76/go.mod h1:GGYsuwP/fPD6Y9hMiXuapVvlIUEhFhMTh0rxU3ik1LQ=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
@@ -235,11 +269,15 @@ github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/oapi-codegen/runtime v1.2.0 h1:RvKc1CVS1QeKSNzO97FBQbSMZyQ8s6rZd+LpmzwHMP4=
 github.com/oapi-codegen/runtime v1.2.0/go.mod h1:Y7ZhmmlE8ikZOmuHRRndiIm7nf3xcVv+YMweKgG1DT0=
+github.com/oapi-codegen/runtime v1.3.0 h1:vyK1zc0gDWWXgk2xoQa4+X4RNNc5SL2RbTpJS/4vMYA=
+github.com/oapi-codegen/runtime v1.3.0/go.mod h1:kOdeacKy7t40Rclb1je37ZLFboFxh+YLy0zaPCMibPY=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/parquet-go/bitpack v1.0.0 h1:AUqzlKzPPXf2bCdjfj4sTeacrUwsT7NlcYDMUQxPcQA=
 github.com/parquet-go/bitpack v1.0.0/go.mod h1:XnVk9TH+O40eOOmvpAVZ7K2ocQFrQwysLMnc6M/8lgs=
 github.com/parquet-go/jsonlite v1.4.0 h1:RTG7prqfO0HD5egejU8MUDBN8oToMj55cgSV1I0zNW4=
 github.com/parquet-go/jsonlite v1.4.0/go.mod h1:nDjpkpL4EOtqs6NQugUsi0Rleq9sW/OtC1NnZEnxzF0=
+github.com/parquet-go/jsonlite v1.5.0 h1:ulS7lNWdPwiqDMLzTiXHYmIUhu99mavZh2iAVdXet3g=
+github.com/parquet-go/jsonlite v1.5.0/go.mod h1:nDjpkpL4EOtqs6NQugUsi0Rleq9sW/OtC1NnZEnxzF0=
 github.com/parquet-go/parquet-go v0.29.0 h1:xXlPtFVR51jpSVzf+cgHnNIcb7Xet+iuvkbe0HIm90Y=
 github.com/parquet-go/parquet-go v0.29.0/go.mod h1:navtkAYr2LGoJVp141oXPlO/sxLvaOe3la2JEoD8+rg=
 github.com/pierrec/lz4/v4 v4.1.26 h1:GrpZw1gZttORinvzBdXPUXATeqlJjqUG/D87TKMnhjY=
@@ -305,6 +343,7 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
 go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
+go.yaml.in/yaml/v2 v2.4.4/go.mod h1:gMZqIpDtDqOfM0uNfy0SkpRhvUryYH0Z6wdMYcacYXQ=
 go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=

internal/api/api_test.go

@@ -355,7 +355,7 @@ func TestRestApi(t *testing.T) {
 	}
 
 	t.Run("CheckArchive", func(t *testing.T) {
-		data, err := metricdispatch.LoadData(stoppedJob, []string{"load_one"}, []schema.MetricScope{schema.MetricScopeNode}, context.Background(), 60)
+		data, err := metricdispatch.LoadData(stoppedJob, []string{"load_one"}, []schema.MetricScope{schema.MetricScopeNode}, context.Background(), 60, "")
 		if err != nil {
 			t.Fatal(err)
 		}

internal/api/job.go

@@ -301,7 +301,7 @@ func (api *RestAPI) getCompleteJobByID(rw http.ResponseWriter, r *http.Request)
 	}
 
 	if r.URL.Query().Get("all-metrics") == "true" {
-		data, err = metricdispatch.LoadData(job, nil, scopes, r.Context(), resolution)
+		data, err = metricdispatch.LoadData(job, nil, scopes, r.Context(), resolution, "")
 		if err != nil {
 			cclog.Warnf("REST: error while loading all-metrics job data for JobID %d on %s", job.JobID, job.Cluster)
 			return
@@ -397,7 +397,7 @@ func (api *RestAPI) getJobByID(rw http.ResponseWriter, r *http.Request) {
 		resolution = max(resolution, mc.Timestep)
 	}
 
-	data, err := metricdispatch.LoadData(job, metrics, scopes, r.Context(), resolution)
+	data, err := metricdispatch.LoadData(job, metrics, scopes, r.Context(), resolution, "")
 	if err != nil {
 		cclog.Warnf("REST: error while loading job data for JobID %d on %s", job.JobID, job.Cluster)
 		return
@@ -1078,7 +1078,7 @@ func (api *RestAPI) getJobMetrics(rw http.ResponseWriter, r *http.Request) {
 	}
 
 	resolver := graph.GetResolverInstance()
-	data, err := resolver.Query().JobMetrics(r.Context(), id, metrics, scopes, nil)
+	data, err := resolver.Query().JobMetrics(r.Context(), id, metrics, scopes, nil, nil)
 	if err != nil {
 		if err := json.NewEncoder(rw).Encode(Response{
 			Error: &struct {

internal/archiver/archiver.go

@@ -59,7 +59,7 @@ func ArchiveJob(job *schema.Job, ctx context.Context) (*schema.Job, error) {
 		scopes = append(scopes, schema.MetricScopeAccelerator)
 	}
 
-	jobData, err := metricdispatch.LoadData(job, allMetrics, scopes, ctx, 0) // 0 Resulotion-Value retrieves highest res (60s)
+	jobData, err := metricdispatch.LoadData(job, allMetrics, scopes, ctx, 0, "") // 0 Resulotion-Value retrieves highest res (60s)
 	if err != nil {
 		cclog.Error("Error wile loading job data for archiving")
 		return nil, err

internal/graph/generated/generated.go

@@ -326,7 +326,7 @@ type ComplexityRoot struct {
 		Clusters        func(childComplexity int) int
 		GlobalMetrics   func(childComplexity int) int
 		Job             func(childComplexity int, id string) int
-		JobMetrics      func(childComplexity int, id string, metrics []string, scopes []schema.MetricScope, resolution *int) int
+		JobMetrics      func(childComplexity int, id string, metrics []string, scopes []schema.MetricScope, resolution *int, resampleAlgo *model.ResampleAlgo) int
 		JobStats        func(childComplexity int, id string, metrics []string) int
 		Jobs            func(childComplexity int, filter []*model.JobFilter, page *model.PageRequest, order *model.OrderByInput) int
 		JobsFootprints  func(childComplexity int, filter []*model.JobFilter, metrics []string) int
@@ -334,7 +334,7 @@ type ComplexityRoot struct {
 		JobsStatistics  func(childComplexity int, filter []*model.JobFilter, metrics []string, page *model.PageRequest, sortBy *model.SortByAggregate, groupBy *model.Aggregate, numDurationBins *string, numMetricBins *int) int
 		Node            func(childComplexity int, id string) int
 		NodeMetrics     func(childComplexity int, cluster string, nodes []string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time) int
-		NodeMetricsList func(childComplexity int, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int) int
+		NodeMetricsList func(childComplexity int, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int, resampleAlgo *model.ResampleAlgo) int
 		NodeStates      func(childComplexity int, filter []*model.NodeFilter) int
 		NodeStatesTimed func(childComplexity int, filter []*model.NodeFilter, typeArg string) int
 		Nodes           func(childComplexity int, filter []*model.NodeFilter, order *model.OrderByInput) int
@@ -482,7 +482,7 @@ type QueryResolver interface {
 	NodeStates(ctx context.Context, filter []*model.NodeFilter) ([]*model.NodeStates, error)
 	NodeStatesTimed(ctx context.Context, filter []*model.NodeFilter, typeArg string) ([]*model.NodeStatesTimed, error)
 	Job(ctx context.Context, id string) (*schema.Job, error)
-	JobMetrics(ctx context.Context, id string, metrics []string, scopes []schema.MetricScope, resolution *int) ([]*model.JobMetricWithName, error)
+	JobMetrics(ctx context.Context, id string, metrics []string, scopes []schema.MetricScope, resolution *int, resampleAlgo *model.ResampleAlgo) ([]*model.JobMetricWithName, error)
 	JobStats(ctx context.Context, id string, metrics []string) ([]*model.NamedStats, error)
 	ScopedJobStats(ctx context.Context, id string, metrics []string, scopes []schema.MetricScope) ([]*model.NamedStatsWithScope, error)
 	Jobs(ctx context.Context, filter []*model.JobFilter, page *model.PageRequest, order *model.OrderByInput) (*model.JobResultList, error)
@@ -491,7 +491,7 @@ type QueryResolver interface {
 	JobsFootprints(ctx context.Context, filter []*model.JobFilter, metrics []string) (*model.Footprints, error)
 	RooflineHeatmap(ctx context.Context, filter []*model.JobFilter, rows int, cols int, minX float64, minY float64, maxX float64, maxY float64) ([][]float64, error)
 	NodeMetrics(ctx context.Context, cluster string, nodes []string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time) ([]*model.NodeMetrics, error)
-	NodeMetricsList(ctx context.Context, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int) (*model.NodesResultList, error)
+	NodeMetricsList(ctx context.Context, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int, resampleAlgo *model.ResampleAlgo) (*model.NodesResultList, error)
 	ClusterMetrics(ctx context.Context, cluster string, metrics []string, from time.Time, to time.Time) (*model.ClusterMetrics, error)
 }
 type SubClusterResolver interface {
@@ -1665,7 +1665,7 @@ func (e *executableSchema) Complexity(ctx context.Context, typeName, field strin
 			return 0, false
 		}
 
-		return e.ComplexityRoot.Query.JobMetrics(childComplexity, args["id"].(string), args["metrics"].([]string), args["scopes"].([]schema.MetricScope), args["resolution"].(*int)), true
+		return e.ComplexityRoot.Query.JobMetrics(childComplexity, args["id"].(string), args["metrics"].([]string), args["scopes"].([]schema.MetricScope), args["resolution"].(*int), args["resampleAlgo"].(*model.ResampleAlgo)), true
 	case "Query.jobStats":
 		if e.ComplexityRoot.Query.JobStats == nil {
 			break
@@ -1753,7 +1753,7 @@ func (e *executableSchema) Complexity(ctx context.Context, typeName, field strin
 			return 0, false
 		}
 
-		return e.ComplexityRoot.Query.NodeMetricsList(childComplexity, args["cluster"].(string), args["subCluster"].(string), args["stateFilter"].(string), args["nodeFilter"].(string), args["scopes"].([]schema.MetricScope), args["metrics"].([]string), args["from"].(time.Time), args["to"].(time.Time), args["page"].(*model.PageRequest), args["resolution"].(*int)), true
+		return e.ComplexityRoot.Query.NodeMetricsList(childComplexity, args["cluster"].(string), args["subCluster"].(string), args["stateFilter"].(string), args["nodeFilter"].(string), args["scopes"].([]schema.MetricScope), args["metrics"].([]string), args["from"].(time.Time), args["to"].(time.Time), args["page"].(*model.PageRequest), args["resolution"].(*int), args["resampleAlgo"].(*model.ResampleAlgo)), true
 	case "Query.nodeStates":
 		if e.ComplexityRoot.Query.NodeStates == nil {
 			break
@@ -2524,6 +2524,12 @@ type TimeWeights {
   coreHours: [NullableFloat!]!
 }
 
+enum ResampleAlgo {
+  LTTB
+  AVERAGE
+  SIMPLE
+}
+
 enum Aggregate {
   USER
   PROJECT
@@ -2614,6 +2620,7 @@ type Query {
     metrics: [String!]
     scopes: [MetricScope!]
     resolution: Int
+    resampleAlgo: ResampleAlgo
   ): [JobMetricWithName!]!
 
   jobStats(id: ID!, metrics: [String!]): [NamedStats!]!
@@ -2673,6 +2680,7 @@ type Query {
     to: Time!
     page: PageRequest
     resolution: Int
+    resampleAlgo: ResampleAlgo
   ): NodesResultList!
 
   clusterMetrics(
@@ -3006,6 +3014,11 @@ func (ec *executionContext) field_Query_jobMetrics_args(ctx context.Context, raw
 		return nil, err
 	}
 	args["resolution"] = arg3
+	arg4, err := graphql.ProcessArgField(ctx, rawArgs, "resampleAlgo", ec.unmarshalOResampleAlgo2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐResampleAlgo)
+	if err != nil {
+		return nil, err
+	}
+	args["resampleAlgo"] = arg4
 	return args, nil
 }
 
@@ -3183,6 +3196,11 @@ func (ec *executionContext) field_Query_nodeMetricsList_args(ctx context.Context
 		return nil, err
 	}
 	args["resolution"] = arg9
+	arg10, err := graphql.ProcessArgField(ctx, rawArgs, "resampleAlgo", ec.unmarshalOResampleAlgo2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐResampleAlgo)
+	if err != nil {
+		return nil, err
+	}
+	args["resampleAlgo"] = arg10
 	return args, nil
 }
 
@@ -9436,7 +9454,7 @@ func (ec *executionContext) _Query_jobMetrics(ctx context.Context, field graphql
 		ec.fieldContext_Query_jobMetrics,
 		func(ctx context.Context) (any, error) {
 			fc := graphql.GetFieldContext(ctx)
-			return ec.Resolvers.Query().JobMetrics(ctx, fc.Args["id"].(string), fc.Args["metrics"].([]string), fc.Args["scopes"].([]schema.MetricScope), fc.Args["resolution"].(*int))
+			return ec.Resolvers.Query().JobMetrics(ctx, fc.Args["id"].(string), fc.Args["metrics"].([]string), fc.Args["scopes"].([]schema.MetricScope), fc.Args["resolution"].(*int), fc.Args["resampleAlgo"].(*model.ResampleAlgo))
 		},
 		nil,
 		ec.marshalNJobMetricWithName2ᚕᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐJobMetricWithNameᚄ,
@@ -9917,7 +9935,7 @@ func (ec *executionContext) _Query_nodeMetricsList(ctx context.Context, field gr
 		ec.fieldContext_Query_nodeMetricsList,
 		func(ctx context.Context) (any, error) {
 			fc := graphql.GetFieldContext(ctx)
-			return ec.Resolvers.Query().NodeMetricsList(ctx, fc.Args["cluster"].(string), fc.Args["subCluster"].(string), fc.Args["stateFilter"].(string), fc.Args["nodeFilter"].(string), fc.Args["scopes"].([]schema.MetricScope), fc.Args["metrics"].([]string), fc.Args["from"].(time.Time), fc.Args["to"].(time.Time), fc.Args["page"].(*model.PageRequest), fc.Args["resolution"].(*int))
+			return ec.Resolvers.Query().NodeMetricsList(ctx, fc.Args["cluster"].(string), fc.Args["subCluster"].(string), fc.Args["stateFilter"].(string), fc.Args["nodeFilter"].(string), fc.Args["scopes"].([]schema.MetricScope), fc.Args["metrics"].([]string), fc.Args["from"].(time.Time), fc.Args["to"].(time.Time), fc.Args["page"].(*model.PageRequest), fc.Args["resolution"].(*int), fc.Args["resampleAlgo"].(*model.ResampleAlgo))
 		},
 		nil,
 		ec.marshalNNodesResultList2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐNodesResultList,
@@ -19672,6 +19690,22 @@ func (ec *executionContext) unmarshalOPageRequest2ᚖgithubᚗcomᚋClusterCockp
 	return &res, graphql.ErrorOnPath(ctx, err)
 }
 
+func (ec *executionContext) unmarshalOResampleAlgo2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐResampleAlgo(ctx context.Context, v any) (*model.ResampleAlgo, error) {
+	if v == nil {
+		return nil, nil
+	}
+	var res = new(model.ResampleAlgo)
+	err := res.UnmarshalGQL(v)
+	return res, graphql.ErrorOnPath(ctx, err)
+}
+
+func (ec *executionContext) marshalOResampleAlgo2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑbackendᚋinternalᚋgraphᚋmodelᚐResampleAlgo(ctx context.Context, sel ast.SelectionSet, v *model.ResampleAlgo) graphql.Marshaler {
+	if v == nil {
+		return graphql.Null
+	}
+	return v
+}
+
 func (ec *executionContext) unmarshalOSchedulerState2ᚖgithubᚗcomᚋClusterCockpitᚋccᚑlibᚋv2ᚋschemaᚐSchedulerState(ctx context.Context, v any) (*schema.SchedulerState, error) {
 	if v == nil {
 		return nil, nil

internal/graph/model/models_gen.go

@@ -328,6 +328,63 @@ func (e Aggregate) MarshalJSON() ([]byte, error) {
 	return buf.Bytes(), nil
 }
 
+type ResampleAlgo string
+
+const (
+	ResampleAlgoLttb    ResampleAlgo = "LTTB"
+	ResampleAlgoAverage ResampleAlgo = "AVERAGE"
+	ResampleAlgoSimple  ResampleAlgo = "SIMPLE"
+)
+
+var AllResampleAlgo = []ResampleAlgo{
+	ResampleAlgoLttb,
+	ResampleAlgoAverage,
+	ResampleAlgoSimple,
+}
+
+func (e ResampleAlgo) IsValid() bool {
+	switch e {
+	case ResampleAlgoLttb, ResampleAlgoAverage, ResampleAlgoSimple:
+		return true
+	}
+	return false
+}
+
+func (e ResampleAlgo) String() string {
+	return string(e)
+}
+
+func (e *ResampleAlgo) UnmarshalGQL(v any) error {
+	str, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("enums must be strings")
+	}
+
+	*e = ResampleAlgo(str)
+	if !e.IsValid() {
+		return fmt.Errorf("%s is not a valid ResampleAlgo", str)
+	}
+	return nil
+}
+
+func (e ResampleAlgo) MarshalGQL(w io.Writer) {
+	fmt.Fprint(w, strconv.Quote(e.String()))
+}
+
+func (e *ResampleAlgo) UnmarshalJSON(b []byte) error {
+	s, err := strconv.Unquote(string(b))
+	if err != nil {
+		return err
+	}
+	return e.UnmarshalGQL(s)
+}
+
+func (e ResampleAlgo) MarshalJSON() ([]byte, error) {
+	var buf bytes.Buffer
+	e.MarshalGQL(&buf)
+	return buf.Bytes(), nil
+}
+
 type SortByAggregate string
 
 const (

internal/graph/schema.resolvers.go

@@ -498,7 +498,7 @@ func (r *queryResolver) Job(ctx context.Context, id string) (*schema.Job, error)
 }
 
 // JobMetrics is the resolver for the jobMetrics field.
-func (r *queryResolver) JobMetrics(ctx context.Context, id string, metrics []string, scopes []schema.MetricScope, resolution *int) ([]*model.JobMetricWithName, error) {
+func (r *queryResolver) JobMetrics(ctx context.Context, id string, metrics []string, scopes []schema.MetricScope, resolution *int, resampleAlgo *model.ResampleAlgo) ([]*model.JobMetricWithName, error) {
 	if resolution == nil { // Load from Config
 		if config.Keys.EnableResampling != nil {
 			defaultRes := slices.Max(config.Keys.EnableResampling.Resolutions)
@@ -515,7 +515,12 @@ func (r *queryResolver) JobMetrics(ctx context.Context, id string, metrics []str
 		return nil, err
 	}
 
-	data, err := metricdispatch.LoadData(job, metrics, scopes, ctx, *resolution)
+	algoName := ""
+	if resampleAlgo != nil {
+		algoName = strings.ToLower(resampleAlgo.String())
+	}
+
+	data, err := metricdispatch.LoadData(job, metrics, scopes, ctx, *resolution, algoName)
 	if err != nil {
 		cclog.Warn("Error while loading job data")
 		return nil, err
@@ -872,7 +877,7 @@ func (r *queryResolver) NodeMetrics(ctx context.Context, cluster string, nodes [
 }
 
 // NodeMetricsList is the resolver for the nodeMetricsList field.
-func (r *queryResolver) NodeMetricsList(ctx context.Context, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int) (*model.NodesResultList, error) {
+func (r *queryResolver) NodeMetricsList(ctx context.Context, cluster string, subCluster string, stateFilter string, nodeFilter string, scopes []schema.MetricScope, metrics []string, from time.Time, to time.Time, page *model.PageRequest, resolution *int, resampleAlgo *model.ResampleAlgo) (*model.NodesResultList, error) {
 	if resolution == nil { // Load from Config
 		if config.Keys.EnableResampling != nil {
 			defaultRes := slices.Max(config.Keys.EnableResampling.Resolutions)
@@ -901,8 +906,13 @@ func (r *queryResolver) NodeMetricsList(ctx context.Context, cluster string, sub
 		}
 	}
 
+	algoName := ""
+	if resampleAlgo != nil {
+		algoName = strings.ToLower(resampleAlgo.String())
+	}
+
 	// data -> map hostname:jobdata
-	data, err := metricdispatch.LoadNodeListData(cluster, subCluster, nodes, metrics, scopes, *resolution, from, to, ctx)
+	data, err := metricdispatch.LoadNodeListData(cluster, subCluster, nodes, metrics, scopes, *resolution, from, to, ctx, algoName)
 	if err != nil {
 		cclog.Warn("error while loading node data (Resolver.NodeMetricsList")
 		return nil, err

internal/graph/util.go

@@ -55,7 +55,7 @@ func (r *queryResolver) rooflineHeatmap(
 		// 	resolution = max(resolution, mc.Timestep)
 		// }
 
-		jobdata, err := metricdispatch.LoadData(job, []string{"flops_any", "mem_bw"}, []schema.MetricScope{schema.MetricScopeNode}, ctx, 0)
+		jobdata, err := metricdispatch.LoadData(job, []string{"flops_any", "mem_bw"}, []schema.MetricScope{schema.MetricScopeNode}, ctx, 0, "")
 		if err != nil {
 			cclog.Warnf("Error while loading roofline metrics for job %d", *job.ID)
 			return nil, err

internal/metricdispatch/dataLoader.go

@@ -62,9 +62,10 @@ func cacheKey(
 	metrics []string,
 	scopes []schema.MetricScope,
 	resolution int,
+	resampleAlgo string,
 ) string {
-	return fmt.Sprintf("%d(%s):[%v],[%v]-%d",
+	return fmt.Sprintf("%d(%s):[%v],[%v]-%d-%s",
-		*job.ID, job.State, metrics, scopes, resolution)
+		*job.ID, job.State, metrics, scopes, resolution, resampleAlgo)
 }
 
 // LoadData retrieves metric data for a job from the appropriate backend (memory store for running jobs,
@@ -87,8 +88,9 @@ func LoadData(job *schema.Job,
 	scopes []schema.MetricScope,
 	ctx context.Context,
 	resolution int,
+	resampleAlgo string,
 ) (schema.JobData, error) {
-	data := cache.Get(cacheKey(job, metrics, scopes, resolution), func() (_ any, ttl time.Duration, size int) {
+	data := cache.Get(cacheKey(job, metrics, scopes, resolution, resampleAlgo), func() (_ any, ttl time.Duration, size int) {
 		var jd schema.JobData
 		var err error
 
@@ -136,13 +138,17 @@ func LoadData(job *schema.Job,
 
 			jd = deepCopy(jdTemp)
 
-			// Resample archived data using Largest Triangle Three Bucket algorithm to reduce data points
+			// Resample archived data to reduce data points to the requested resolution,
-			// to the requested resolution, improving transfer performance and client-side rendering.
+			// improving transfer performance and client-side rendering.
+			resampleFn, rfErr := resampler.GetResampler(resampleAlgo)
+			if rfErr != nil {
+				return rfErr, 0, 0
+			}
 			for _, v := range jd {
 				for _, v_ := range v {
 					timestep := int64(0)
 					for i := 0; i < len(v_.Series); i += 1 {
-						v_.Series[i].Data, timestep, err = resampler.LargestTriangleThreeBucket(v_.Series[i].Data, int64(v_.Timestep), int64(resolution))
+						v_.Series[i].Data, timestep, err = resampleFn(v_.Series[i].Data, int64(v_.Timestep), int64(resolution))
 						if err != nil {
 							return err, 0, 0
 						}
@@ -414,6 +420,7 @@ func LoadNodeListData(
 	resolution int,
 	from, to time.Time,
 	ctx context.Context,
+	resampleAlgo string,
 ) (map[string]schema.JobData, error) {
 	if metrics == nil {
 		for _, m := range archive.GetCluster(cluster).MetricConfig {
@@ -428,7 +435,7 @@ func LoadNodeListData(
 		return nil, err
 	}
 
-	data, err := ms.LoadNodeListData(cluster, subCluster, nodes, metrics, scopes, resolution, from, to, ctx)
+	data, err := ms.LoadNodeListData(cluster, subCluster, nodes, metrics, scopes, resolution, from, to, ctx, resampleAlgo)
 	if err != nil {
 		if len(data) != 0 {
 			cclog.Warnf("partial error loading node list data from metric store for cluster %s, subcluster %s: %s",

internal/metricdispatch/metricdata.go

@@ -51,7 +51,8 @@ type MetricDataRepository interface {
 		scopes []schema.MetricScope,
 		resolution int,
 		from, to time.Time,
-		ctx context.Context) (map[string]schema.JobData, error)
+		ctx context.Context,
+		resampleAlgo string) (map[string]schema.JobData, error)
 
 	// HealthCheck evaluates the monitoring state for a set of nodes against expected metrics.
 	HealthCheck(cluster string,

internal/metricstoreclient/cc-metric-store.go

@@ -617,6 +617,7 @@ func (ccms *CCMetricStore) LoadNodeListData(
 	resolution int,
 	from, to time.Time,
 	ctx context.Context,
+	resampleAlgo string,
 ) (map[string]schema.JobData, error) {
 	queries, assignedScope, err := ccms.buildNodeQueries(cluster, subCluster, nodes, metrics, scopes, resolution)
 	if err != nil {

pkg/metricstore/api.go

@@ -59,6 +59,7 @@ type APIQueryRequest struct {
 	WithStats    bool       `json:"with-stats"`
 	WithData     bool       `json:"with-data"`
 	WithPadding  bool       `json:"with-padding"`
+	ResampleAlgo string     `json:"resample-algo,omitempty"`
 }
 
 // APIQueryResponse represents the response to an APIQueryRequest.
@@ -279,7 +280,7 @@ func FetchData(req APIQueryRequest) (*APIQueryResponse, error) {
 		for _, sel := range sels {
 			data := APIMetricData{}
 
-			data.Data, data.From, data.To, data.Resolution, err = ms.Read(sel, query.Metric, req.From, req.To, query.Resolution)
+			data.Data, data.From, data.To, data.Resolution, err = ms.Read(sel, query.Metric, req.From, req.To, query.Resolution, req.ResampleAlgo)
 			if err != nil {
 				// Skip Error If Just Missing Host or Metric, Continue
 				// Empty Return For Metric Handled Gracefully By Frontend

pkg/metricstore/metricstore.go

@@ -679,7 +679,7 @@ func (m *MemoryStore) WriteToLevel(l *Level, selector []string, ts int64, metric
 // If the level does not hold the metric itself, the data will be aggregated recursively from the children.
 // The second and third return value are the actual from/to for the data. Those can be different from
 // the range asked for if no data was available.
-func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, resolution int64) ([]schema.Float, int64, int64, int64, error) {
+func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, resolution int64, resampleAlgo string) ([]schema.Float, int64, int64, int64, error) {
 	if from > to {
 		return nil, 0, 0, 0, errors.New("[METRICSTORE]> invalid time range")
 	}
@@ -737,7 +737,11 @@ func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, reso
 		}
 	}
 
-	data, resolution, err = resampler.LargestTriangleThreeBucket(data, minfo.Frequency, resolution)
+	resampleFn, rfErr := resampler.GetResampler(resampleAlgo)
+	if rfErr != nil {
+		return nil, 0, 0, 0, rfErr
+	}
+	data, resolution, err = resampleFn(data, minfo.Frequency, resolution)
 	if err != nil {
 		return nil, 0, 0, 0, err
 	}

pkg/metricstore/query.go

@@ -621,6 +621,7 @@ func (ccms *InternalMetricStore) LoadNodeListData(
 	resolution int,
 	from, to time.Time,
 	ctx context.Context,
+	resampleAlgo string,
 ) (map[string]schema.JobData, error) {
 	// Note: Order of node data is not guaranteed after this point
 	queries, assignedScope, err := buildNodeQueries(cluster, subCluster, nodes, metrics, scopes, int64(resolution))
@@ -642,6 +643,7 @@ func (ccms *InternalMetricStore) LoadNodeListData(
 		To:           to.Unix(),
 		WithStats:    true,
 		WithData:     true,
+		ResampleAlgo: resampleAlgo,
 	}
 
 	resBody, err := FetchData(req)