compact range stuck inside pebble

[lidezhu]

What did you do?

There is a long period when no compact range logs are printed. And there is also no delete range opeartions.

What did you expect to see?

No response

What did you see instead?

None.

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

Upstream TiKV version (execute tikv-server --version):

(paste TiKV version here)

TiCDC version (execute cdc version):

(paste TiCDC version here)

[lidezhu]

goroutine 1320 [chan receive]:
github.com/cockroachdb/pebble.(*DB).manualCompact(0xc000b27208, {0xc00372e108, 0x18, 0x18}, {0xc00372e168, 0x18, 0x18}, 0x0, 0x0)
        github.com/cockroachdb/pebble@v1.1.4-0.20250120151818-5dd133a1e6fb/db.go:1814 +0x4f3
github.com/cockroachdb/pebble.(*DB).Compact(0xc000b27208, {0xc00372e108, 0x18, 0x18}, {0xc00372e168, 0x18, 0x18}, 0x0)
        github.com/cockroachdb/pebble@v1.1.4-0.20250120151818-5dd133a1e6fb/db.go:1768 +0x651
github.com/pingcap/ticdc/logservice/eventstore.compactDataRange(0xc000b27208, 0x40, 0x9b, 0x0?, 0x66f7ea830e40003)
        github.com/pingcap/ticdc/logservice/eventstore/format.go:137 +0x90
github.com/pingcap/ticdc/logservice/eventstore.(*gcManager).doCompaction(0xc0012e19a0)
        github.com/pingcap/ticdc/logservice/eventstore/gc.go:164 +0x34d
github.com/pingcap/ticdc/logservice/eventstore.(*gcManager).run(0xc0012e19a0, {0x6d000d8, 0xc0257320a0})
        github.com/pingcap/ticdc/logservice/eventstore/gc.go:119 +0x2c5
github.com/pingcap/ticdc/logservice/eventstore.(*eventStore).Run.func3()
        github.com/pingcap/ticdc/logservice/eventstore/event_store.go:381 +0x26
golang.org/x/sync/errgroup.(*Group).Go.func1()
        golang.org/x/sync@v0.17.0/errgroup/errgroup.go:93 +0x50
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 1443
        golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x95

Reproduced the issue. It is confirmed that compact range is stuck inside pebble.