frostfs-node/pkg/local_object_storage/engine/writecache.go

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package engine
import (
"context"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/metrics"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
)
// FlushWriteCachePrm groups the parameters of FlushWriteCache operation.
type FlushWriteCachePrm struct {
shardID *shard.ID
ignoreErrors bool
}
// SetShardID is an option to set shard ID.
//
// Option is required.
func (p *FlushWriteCachePrm) SetShardID(id *shard.ID) {
p.shardID = id
}
// SetIgnoreErrors sets errors ignore flag..
func (p *FlushWriteCachePrm) SetIgnoreErrors(ignore bool) {
p.ignoreErrors = ignore
}
// FlushWriteCacheRes groups the resulting values of FlushWriteCache operation.
type FlushWriteCacheRes struct{}
// FlushWriteCache flushes write-cache on a single shard.
func (e *StorageEngine) FlushWriteCache(ctx context.Context, p FlushWriteCachePrm) (FlushWriteCacheRes, error) {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.FlushWriteCache",
trace.WithAttributes(
attribute.String("shard)id", p.shardID.String()),
attribute.Bool("ignore_errors", p.ignoreErrors),
))
defer span.End()
e.mtx.RLock()
sh, ok := e.shards[p.shardID.String()]
e.mtx.RUnlock()
if !ok {
return FlushWriteCacheRes{}, errShardNotFound
}
var prm shard.FlushWriteCachePrm
prm.SetIgnoreErrors(p.ignoreErrors)
return FlushWriteCacheRes{}, sh.FlushWriteCache(ctx, prm)
}
type writeCacheMetrics struct {
shardID string
metrics metrics.WriteCacheMetrics
}
func (m *writeCacheMetrics) Get(d time.Duration, success bool, st writecache.StorageType) {
m.metrics.AddGetDuration(m.shardID, success, d, st.String())
}
func (m *writeCacheMetrics) Delete(d time.Duration, success bool, st writecache.StorageType) {
m.metrics.AddDeleteDuration(m.shardID, success, d, st.String())
if success {
m.metrics.DecActualCount(m.shardID, st.String())
}
}
func (m *writeCacheMetrics) Put(d time.Duration, success bool, st writecache.StorageType) {
m.metrics.AddPutDuration(m.shardID, success, d, st.String())
if success {
m.metrics.IncActualCount(m.shardID, st.String())
}
}
func (m *writeCacheMetrics) SetEstimateSize(db, fstree uint64) {
m.metrics.SetEstimateSize(m.shardID, db, writecache.StorageTypeDB.String())
m.metrics.SetEstimateSize(m.shardID, fstree, writecache.StorageTypeFSTree.String())
}
func (m *writeCacheMetrics) SetMode(mode mode.Mode) {
m.metrics.SetMode(m.shardID, mode.String())
}
func (m *writeCacheMetrics) SetActualCounters(db, fstree uint64) {
m.metrics.SetActualCount(m.shardID, db, writecache.StorageTypeDB.String())
m.metrics.SetActualCount(m.shardID, fstree, writecache.StorageTypeFSTree.String())
}
func (m *writeCacheMetrics) Flush(success bool, st writecache.StorageType) {
m.metrics.IncFlushCounter(m.shardID, success, st.String())
}
func (m *writeCacheMetrics) Evict(st writecache.StorageType) {
m.metrics.DecActualCount(m.shardID, st.String())
m.metrics.IncEvictCounter(m.shardID, st.String())
}