frostfs-node/pkg/local_object_storage/writecache/writecachebadger/put.go
Alejandro Lopez 1a0cb0f34a [#421] Try using badger for the write-cache
Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>
2023-08-07 08:16:57 +00:00

82 lines
2.2 KiB
Go

package writecachebadger
import (
"context"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
storagelog "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/log"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
)
// Put puts object to write-cache.
//
// Returns ErrReadOnly if write-cache is in R/O mode.
// Returns ErrNotInitialized if write-cache has not been initialized yet.
// Returns ErrOutOfSpace if saving an object leads to WC's size overflow.
// Returns ErrBigObject if an objects exceeds maximum object size.
func (c *cache) Put(ctx context.Context, prm common.PutPrm) (common.PutRes, error) {
_, span := tracing.StartSpanFromContext(ctx, "writecache.Put",
trace.WithAttributes(
attribute.String("address", prm.Address.EncodeToString()),
attribute.Bool("dont_compress", prm.DontCompress),
))
defer span.End()
startedAt := time.Now()
added := false
storageType := writecache.StorageTypeUndefined
defer func() {
c.metrics.Put(time.Since(startedAt), added, storageType)
}()
c.modeMtx.RLock()
defer c.modeMtx.RUnlock()
if c.readOnly() {
return common.PutRes{}, writecache.ErrReadOnly
}
sz := uint64(len(prm.RawData))
if sz > c.maxObjectSize {
return common.PutRes{}, writecache.ErrBigObject
}
oi := objectInfo{
addr: prm.Address,
obj: prm.Object,
data: prm.RawData,
}
storageType = writecache.StorageTypeDB
err := c.put(oi)
if err == nil {
added = true
}
return common.PutRes{}, err
}
// put persists objects to the write-cache database and
// pushes the to the flush workers queue.
func (c *cache) put(obj objectInfo) error {
cacheSize := c.estimateCacheSize()
if c.maxCacheSize < c.incSizeDB(cacheSize) {
return writecache.ErrOutOfSpace
}
wb := c.db.NewWriteBatch()
k := addr2key(obj.addr)
_ = wb.Set(k[:], obj.data)
err := wb.Flush()
if err == nil {
storagelog.Write(c.log,
storagelog.AddressField(obj.addr),
storagelog.StorageTypeField(wcStorageType),
storagelog.OpField("db PUT"),
)
c.objCounters.IncDB()
}
return err
}