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br: split regions before pitr restore #39941

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merged 22 commits into from
Jan 22, 2023
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1 change: 1 addition & 0 deletions br/pkg/restore/BUILD.bazel
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ go_library(
"//util/collate",
"//util/hack",
"//util/mathutil",
"//util/sqlexec",
"//util/table-filter",
"@com_github_emirpasic_gods//maps/treemap",
"@com_github_go_sql_driver_mysql//:mysql",
Expand Down
13 changes: 13 additions & 0 deletions br/pkg/restore/client.go
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ import (
"github.com/pingcap/tidb/util/codec"
"github.com/pingcap/tidb/util/collate"
"github.com/pingcap/tidb/util/mathutil"
"github.com/pingcap/tidb/util/sqlexec"
filter "github.com/pingcap/tidb/util/table-filter"
"github.com/tikv/client-go/v2/oracle"
pd "github.com/tikv/pd/client"
Expand Down Expand Up @@ -1126,6 +1127,18 @@ func (rc *Client) SplitRanges(ctx context.Context,
return SplitRanges(ctx, rc, ranges, rewriteRules, updateCh, isRawKv)
}

func (rc *Client) WrapLogFilesIterWithSplitHelper(iter LogIter, rules map[int64]*RewriteRules, g glue.Glue, store kv.Storage) (LogIter, error) {
se, err := g.CreateSession(store)
if err != nil {
return nil, errors.Trace(err)
}
execCtx := se.GetSessionCtx().(sqlexec.RestrictedSQLExecutor)
splitSize, splitKeys := utils.GetRegionSplitInfo(execCtx)
log.Info("get split threshold from tikv config", zap.Uint64("split-size", splitSize), zap.Int64("split-keys", splitKeys))
client := split.NewSplitClient(rc.GetPDClient(), rc.GetTLSConfig(), false)
return NewLogFilesIterWithSplitHelper(iter, rules, client, splitSize, splitKeys), nil
}

// RestoreSSTFiles tries to restore the files.
func (rc *Client) RestoreSSTFiles(
ctx context.Context,
Expand Down
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