frostfs-node/pkg/local_object_storage/writecache/put.go
Evgenii Stratonikov 6472a170eb [#1143] shard: Introduce explicit Degraded mode
`Degraded` mode is set automatically after error counter is over the
threshold. `ReadOnly` mode can still be set by an administrator.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-03-31 15:33:22 +03:00

59 lines
1.1 KiB
Go

package writecache
import (
"errors"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
storagelog "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/internal/log"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
)
// ErrBigObject is returned when object is too big to be placed in cache.
var ErrBigObject = errors.New("too big object")
// Put puts object to write-cache.
func (c *cache) Put(o *objectSDK.Object) error {
c.modeMtx.RLock()
defer c.modeMtx.RUnlock()
if c.readOnly() {
return ErrReadOnly
}
sz := uint64(o.ToV2().StableSize())
if sz > c.maxObjectSize {
return ErrBigObject
}
data, err := o.Marshal()
if err != nil {
return err
}
oi := objectInfo{
addr: object.AddressOf(o).String(),
obj: o,
data: data,
}
c.mtx.Lock()
if sz <= c.smallObjectSize && c.curMemSize+sz <= c.maxMemSize {
c.curMemSize += sz
c.mem = append(c.mem, oi)
c.mtx.Unlock()
storagelog.Write(c.log, storagelog.AddressField(oi.addr), storagelog.OpField("in-mem PUT"))
return nil
}
c.mtx.Unlock()
if sz <= c.smallObjectSize {
c.persistSmallObjects([]objectInfo{oi})
} else {
c.persistBigObject(oi)
}
return nil
}