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lib/{storage,mergeset}: increase cache timeout for data and index blocks from a minute to two minutes

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One minute cache timeout result in slower queries in some production workloads where the interval
between query execution is in the range 1 minute - 2 minutes.
This commit is contained in:
Aliaksandr Valialkin 2021-07-05 14:22:55 +03:00
parent 54b9e1d3cb
commit 43103be011
2 changed files with 6 additions and 6 deletions
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8
lib/mergeset/part.go
View File

@ -205,9 +205,9 @@ func (idxbc *indexBlockCache) cleanByTimeout() {
currentTime := fasttime.UnixTimestamp()
idxbc.mu.Lock()
for k, idxbe := range idxbc.m {
// Delete items accessed more than a minute ago.
// Delete items accessed more than two minutes ago.
// This time should be enough for repeated queries.
if currentTime-atomic.LoadUint64(&idxbe.lastAccessTime) > 60 {
if currentTime-atomic.LoadUint64(&idxbe.lastAccessTime) > 2*60 {
delete(idxbc.m, k)
}
}
@ -350,9 +350,9 @@ func (ibc *inmemoryBlockCache) cleanByTimeout() {
currentTime := fasttime.UnixTimestamp()
ibc.mu.Lock()
for k, ibe := range ibc.m {
// Delete items accessed more than a minute ago.
// Delete items accessed more than two minutes ago.
// This time should be enough for repeated queries.
if currentTime-atomic.LoadUint64(&ibe.lastAccessTime) > 60 {
if currentTime-atomic.LoadUint64(&ibe.lastAccessTime) > 2*60 {
delete(ibc.m, k)
}
}

4
lib/storage/part.go
View File

@ -204,9 +204,9 @@ func (ibc *indexBlockCache) cleanByTimeout() {
currentTime := fasttime.UnixTimestamp()
ibc.mu.Lock()
for k, ibe := range ibc.m {
// Delete items accessed more than a minute ago.
// Delete items accessed more than two minutes ago.
// This time should be enough for repeated queries.
if currentTime-atomic.LoadUint64(&ibe.lastAccessTime) > 60 {
if currentTime-atomic.LoadUint64(&ibe.lastAccessTime) > 2*60 {
delete(ibc.m, k)
}
}