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[#312] wc: Add metrics

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Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2023-05-18 17:19:41 +03:00 • committed by Evgenii Stratonikov
parent 4503a61997
commit d212d908b5
10 changed files with 130 additions and 14 deletions
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22
pkg/local_object_storage/writecache/get.go
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@ -2,6 +2,7 @@ package writecache
import (
"context"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/pkg/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
@ -27,9 +28,22 @@ func (c *cache) Get(ctx context.Context, addr oid.Address) (*objectSDK.Object, e
))
defer span.End()
return c.getInternal(ctx, saddr, addr)
}
func (c *cache) getInternal(ctx context.Context, saddr string, addr oid.Address) (*objectSDK.Object, error) {
found := false
storageType := storageTypeUndefined
startedAt := time.Now()
defer func() {
c.metrics.Get(time.Since(startedAt), found, storageType)
}()
value, err := Get(c.db, []byte(saddr))
if err == nil {
obj := objectSDK.New()
found = true
storageType = storageTypeDB
return obj, obj.Unmarshal(value)
}
@ -38,6 +52,8 @@ func (c *cache) Get(ctx context.Context, addr oid.Address) (*objectSDK.Object, e
return nil, logicerr.Wrap(apistatus.ObjectNotFound{})
}
found = true
storageType = storageTypeFSTree
return res.Object, nil
}
@ -45,13 +61,15 @@ func (c *cache) Get(ctx context.Context, addr oid.Address) (*objectSDK.Object, e
//
// Returns an error of type apistatus.ObjectNotFound if the requested object is missing in write-cache.
func (c *cache) Head(ctx context.Context, addr oid.Address) (*objectSDK.Object, error) {
saddr := addr.EncodeToString()
ctx, span := tracing.StartSpanFromContext(ctx, "writecache.Head",
trace.WithAttributes(
attribute.String("address", addr.EncodeToString()),
attribute.String("address", saddr),
))
defer span.End()
obj, err := c.Get(ctx, addr)
obj, err := c.getInternal(ctx, saddr, addr)
if err != nil {
return nil, err
}