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[#568] shard/writecache: Maintain memory size and db size

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Signed-off-by: ZhangTao1596 <zhangtao@ngd.neo.org>
This commit is contained in:
ZhangTao1596 2021-06-21 17:42:09 +08:00 • committed by Alex Vanin
parent adbbad0beb
commit 9b87e6267d
4 changed files with 32 additions and 20 deletions
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18
pkg/local_object_storage/writecache/persist.go
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@ -31,19 +31,13 @@ func (c *cache) persistLoop() {
zap.Int("total", len(m)))
c.mtx.Lock()
c.curMemSize = 0
n := copy(c.mem, c.mem[len(m):])
c.mem = c.mem[:n]
for i := range c.mem {
c.curMemSize += uint64(len(c.mem[i].data))
}
c.mtx.Unlock()
sz := 0
for i := range m {
sz += len(m[i].addr) + m[i].obj.ToV2().StableSize()
}
c.dbSize.Add(uint64(sz))
case <-c.closeCh:
return
}
@ -55,8 +49,8 @@ func (c *cache) persistToCache(objs []objectInfo) []int {
failMem []int
doneMem []int
)
_ = c.db.Update(func(tx *bbolt.Tx) error {
var sz uint64
err := c.db.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(defaultBucket)
for i := range objs {
if uint64(len(objs[i].data)) >= c.smallObjectSize {
@ -68,12 +62,14 @@ func (c *cache) persistToCache(objs []objectInfo) []int {
if err != nil {
return err
}
sz += uint64(len(objs[i].data))
doneMem = append(doneMem, i)
}
return nil
})
if err == nil {
c.dbSize.Add(sz)
}
if len(doneMem) > 0 {
c.evictObjects(len(doneMem))
for _, i := range doneMem {