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[#1825] writecache: Flush cache when moving to the DEGRADED mode

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Degraded mode allows us to operate without an SSD,
thus writecache should be unavailable in this mode.

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
This commit is contained in:
Evgenii Stratonikov 2022-09-30 13:41:37 +03:00 • committed by fyrchik
parent 236414df49
commit 8b3b16fe62
5 changed files with 50 additions and 11 deletions
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8
pkg/local_object_storage/writecache/flush.go
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@ -50,7 +50,7 @@ func (c *cache) runFlushLoop() {
for {
select {
case <-tt.C:
c.flush()
c.flushDB()
tt.Reset(defaultFlushInterval)
case <-c.closeCh:
return
@ -59,7 +59,7 @@ func (c *cache) runFlushLoop() {
}()
}
func (c *cache) flush() {
func (c *cache) flushDB() {
lastKey := []byte{}
var m []objectInfo
for {
@ -241,6 +241,10 @@ func (c *cache) Flush(ignoreErrors bool) error {
return errMustBeReadOnly
}
return c.flush(ignoreErrors)
}
func (c *cache) flush(ignoreErrors bool) error {
var prm common.IteratePrm
prm.IgnoreErrors = ignoreErrors
prm.LazyHandler = func(addr oid.Address, f func() ([]byte, error)) error {