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Add better observability to queryReadiness #5946

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merged 9 commits into from
Apr 28, 2022
Merged

Add better observability to queryReadiness #5946

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0f90a99
Add two metrics to the IndexGateway.
DylanGuedes Apr 18, 2022
63321f9
Remove `usersToBeQueryReadyForTotal`.
DylanGuedes Apr 20, 2022
cbbd4b6
Rename metric help text to not mislead people.
DylanGuedes Apr 20, 2022
f9c520a
Log queryReadiness duration.
DylanGuedes Apr 20, 2022
b4737dc
Fix where log message and duration and triggered.
DylanGuedes Apr 25, 2022
ddd4380
Join users list in a single string.
DylanGuedes Apr 26, 2022
e90a816
Tweak queryReadiness log messages.
DylanGuedes Apr 27, 2022
bb1ed79
Ensure queryReadinessDuration metric.
DylanGuedes Apr 28, 2022
b1da770
noop
DylanGuedes Apr 28, 2022
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9 changes: 9 additions & 0 deletions pkg/storage/stores/shipper/downloads/table_manager.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"path/filepath"
"regexp"
"strconv"
"strings"
"sync"
"time"

Expand Down Expand Up @@ -241,6 +242,11 @@ func (tm *TableManager) cleanupCache() error {

// ensureQueryReadiness compares tables required for being query ready with the tables we already have and downloads the missing ones.
func (tm *TableManager) ensureQueryReadiness(ctx context.Context) error {
start := time.Now()
defer func() {
level.Info(util_log.Logger).Log("msg", "query readiness setup completed", "duration", time.Since(start))
}()

activeTableNumber := getActiveTableNumber()

// find the largest query readiness number
Expand Down Expand Up @@ -309,9 +315,12 @@ func (tm *TableManager) ensureQueryReadiness(ctx context.Context) error {
return err
}

perTableStart := time.Now()
if err := table.EnsureQueryReadiness(ctx, usersToBeQueryReadyFor); err != nil {
return err
}
joinedUsers := strings.Join(usersToBeQueryReadyFor, ",")
level.Info(util_log.Logger).Log("msg", "index pre-download for query readiness completed", "users", joinedUsers, "duration", time.Since(perTableStart), "table", tableName)
}

return nil
Expand Down