Skip to content

statistics: check Killed in the TableStatsFromStorage #47568

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
Oct 12, 2023
Merged

statistics: check Killed in the TableStatsFromStorage #47568

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
33b2761
*: check Killed in the TableStatsFromStorage
hawkingrei Oct 12, 2023
451b333
update
hawkingrei Oct 12, 2023
eec46fc
update
hawkingrei Oct 12, 2023
3000ad1
update
hawkingrei Oct 12, 2023
e929070
update
hawkingrei Oct 12, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions statistics/handle/storage/BUILD.bazel
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ go_library(
"//util/compress",
"//util/logutil",
"//util/mathutil",
"//util/memory",
"//util/sqlexec",
"@com_github_klauspost_compress//gzip",
"@com_github_pingcap_errors//:errors",
Expand Down
22 changes: 18 additions & 4 deletions statistics/handle/storage/read.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
"encoding/json"
"fmt"
"strconv"
"sync/atomic"
"time"

"github.com/pingcap/errors"
Expand All @@ -35,6 +36,7 @@ import (
"github.com/pingcap/tidb/util/chunk"
"github.com/pingcap/tidb/util/logutil"
"github.com/pingcap/tidb/util/mathutil"
"github.com/pingcap/tidb/util/memory"
"github.com/pingcap/tidb/util/sqlexec"
"go.uber.org/zap"
)
Expand Down Expand Up @@ -220,7 +222,7 @@ func ExtendedStatsFromStorage(sctx sessionctx.Context, table *statistics.Table,
return table, nil
}

func indexStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *statistics.Table, tableInfo *model.TableInfo, loadAll bool, lease time.Duration) error {
func indexStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *statistics.Table, tableInfo *model.TableInfo, loadAll bool, lease time.Duration, tracker *memory.Tracker) error {
histID := row.GetInt64(2)
distinct := row.GetInt64(3)
histVer := row.GetUint64(4)
Expand Down Expand Up @@ -293,14 +295,17 @@ func indexStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *statis
break
}
if idx != nil {
if tracker != nil {
tracker.Consume(idx.MemoryUsage().TotalMemoryUsage())
}
table.Indices[histID] = idx
} else {
logutil.BgLogger().Debug("we cannot find index id in table info. It may be deleted.", zap.Int64("indexID", histID), zap.String("table", tableInfo.Name.O))
}
return nil
}

func columnStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *statistics.Table, tableInfo *model.TableInfo, loadAll bool, lease time.Duration) error {
func columnStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *statistics.Table, tableInfo *model.TableInfo, loadAll bool, lease time.Duration, tracker *memory.Tracker) error {
histID := row.GetInt64(2)
distinct := row.GetInt64(3)
histVer := row.GetUint64(4)
Expand Down Expand Up @@ -396,6 +401,9 @@ func columnStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *stati
break
}
if col != nil {
if tracker != nil {
tracker.Consume(col.MemoryUsage().TotalMemoryUsage())
}
table.Columns[col.ID] = col
} else {
// If we didn't find a Column or Index in tableInfo, we won't load the histogram for it.
Expand All @@ -408,6 +416,9 @@ func columnStatsFromStorage(sctx sessionctx.Context, row chunk.Row, table *stati

// TableStatsFromStorage loads table stats info from storage.
func TableStatsFromStorage(sctx sessionctx.Context, snapshot uint64, tableInfo *model.TableInfo, tableID int64, loadAll bool, lease time.Duration, table *statistics.Table) (_ *statistics.Table, err error) {
tracker := memory.NewTracker(memory.LabelForAnalyzeMemory, -1)
tracker.AttachTo(sctx.GetSessionVars().MemTracker)
defer tracker.Detach()
// If table stats is pseudo, we also need to copy it, since we will use the column stats when
// the average error rate of it is small.
if table == nil || snapshot > 0 {
Expand Down Expand Up @@ -439,10 +450,13 @@ func TableStatsFromStorage(sctx sessionctx.Context, snapshot uint64, tableInfo *
return nil, nil
}
for _, row := range rows {
if atomic.LoadUint32(&sctx.GetSessionVars().Killed) == 1 {
return nil, errors.Trace(statistics.ErrQueryInterrupted)
}
if row.GetInt64(1) > 0 {
err = indexStatsFromStorage(sctx, row, table, tableInfo, loadAll, lease)
err = indexStatsFromStorage(sctx, row, table, tableInfo, loadAll, lease, tracker)
} else {
err = columnStatsFromStorage(sctx, row, table, tableInfo, loadAll, lease)
err = columnStatsFromStorage(sctx, row, table, tableInfo, loadAll, lease, tracker)
}
if err != nil {
return nil, err
Expand Down