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Implement review feedback

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Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
This commit is contained in:
Arve Knudsen 2023-10-30 13:59:43 +01:00
parent 6c0910a289
commit 25e2c05a47
1 changed files with 3 additions and 12 deletions
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15
tsdb/postings_for_matchers_cache.go
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@ -94,7 +94,7 @@ func (c *PostingsForMatchersCache) PostingsForMatchers(ctx context.Context, ix I
span.RecordError(err)
return p, err
}
c.expire(ctx)
c.expire()
p, err := c.postingsForMatchersPromise(ctx, ix, ms)(ctx)
span.RecordError(err)
return p, err
@ -190,20 +190,13 @@ type postingsForMatchersCachedCall struct {
sizeBytes int64
}
func (c *PostingsForMatchersCache) expire(ctx context.Context) {
_, span := otel.Tracer("").Start(ctx, "PostingsForMatchersCache.expire", trace.WithAttributes(
attribute.Stringer("ttl", c.ttl),
))
defer span.End()
func (c *PostingsForMatchersCache) expire() {
if c.ttl <= 0 {
span.AddEvent("ttl < 0 - doing nothing")
return
}
c.cachedMtx.RLock()
if !c.shouldEvictHead() {
span.AddEvent("should not evict head")
c.cachedMtx.RUnlock()
return
}
@ -212,7 +205,6 @@ func (c *PostingsForMatchersCache) expire(ctx context.Context) {
c.cachedMtx.Lock()
defer c.cachedMtx.Unlock()
span.AddEvent("evicting head(s)")
for c.shouldEvictHead() {
c.evictHead()
}
@ -246,8 +238,7 @@ func (c *PostingsForMatchersCache) evictHead() {
// created has to be called when returning from the PostingsForMatchers call that creates the promise.
// the ts provided should be the call time.
func (c *PostingsForMatchersCache) created(ctx context.Context, key string, ts time.Time, sizeBytes int64) {
_, span := otel.Tracer("").Start(ctx, "PostingsForMatchersCache.created")
defer span.End()
span := trace.SpanFromContext(ctx)
if c.ttl <= 0 {
span.AddEvent("deleting cached promise since c.ttl <= 0", trace.WithAttributes(