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TSDB: shrink memSeries by moving bools together

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In each case the following member requires 8-byte alignment, so moving
one beside the other shrinks memSeries from 176 to 168 bytes, when
compiled with `-tags stringlabels`.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
This commit is contained in:
Bryan Boreham 2024-07-15 16:07:42 +01:00
parent d116bf7b9f
commit d878146c70
1 changed files with 1 additions and 2 deletions
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tsdb/head.go
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@ -2099,6 +2099,7 @@ type memSeries struct {
nextAt int64 // Timestamp at which to cut the next chunk.
histogramChunkHasComputedEndTime bool // True if nextAt has been predicted for the current histograms chunk; false otherwise.
pendingCommit bool // Whether there are samples waiting to be committed to this series.
// We keep the last value here (in addition to appending it to the chunk) so we can check for duplicates.
lastValue float64
@ -2114,8 +2115,6 @@ type memSeries struct {
// txs is nil if isolation is disabled.
txs *txRing
pendingCommit bool // Whether there are samples waiting to be committed to this series.
}
// memSeriesOOOFields contains the fields required by memSeries