Re: BF mamba failure

Yet again one of our replicas died. Should I file a bug report or
something, what should we do in order to prevent it? Restart the database
every month/week or so?...

2025-09-09 12:08:10.688 UTC,,,1510554,,67b3d8bc.170c9a,337,,2025-02-18
00:47:56 UTC,8111/0,0,FATAL,XX000,"trying to drop stats entry already
dropped: kind=relation dboid=16420 objoid=767325170 refcount=2"
,,,,,"WAL redo at 66E4F/74A0F210 for Transaction/COMMIT: 2025-09-09
12:08:10.657171+00; dropped stats: 2/16420/767325174 2/16420/767325173
2/16420/767325170 2/16420/767325192 2/16420/767325191 2/16420/767
325189 2/16420/767325186 2/16420/767325198 2/16420/767325197
2/16420/767325196 2/16420/767325193; inval msgs: catcache 80 catcache 79
catcache 80 catcache 79 catcache 55 catcache 54 catcache 7 catcache 6
catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache
7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 55 catcache 54 catcache 7 catcache 6 catc
ache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 55 catcache 54 catcache
7 catcache 6 catcache 7 catcache 6 catcache 32 catcache 55 catcache 54
catcache 55 catcache 54 catcache 55 catcache 54 catcache 32 catcache 7
catcache 6 catcache 7 catcache 6 catcache 55 catcache 54 catc
ache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 5
5 catcache 54 catcache 80 catcache 79 catcache 80 catcache 79 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 55 catcache 54 catcache 80
catcache 79 catcache 80 catcache 79 catcache 55 catcache 54 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache
7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 55 catcache 54 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 c
atcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6
catcache 7 catcache 6 catcache 7 catcache 6 catcache 55 catcache 54
catcache 7 catcache 6 catcache 7 catcache 6 catcache 32 catc
ache 55 catcache 54 catcache 55 catcache 54 catcache 55 catcache 54
catcache 55 catcache 54 catcache 7 catcache 6 catcache 32 catcache 55
catcache 54 catcache 55 catcache 54 catcache 32 catcache 7 catcach
e 6 catcache 55 catcache 54 catcache 32 catcache 7 catcache 6 catcache 7
catcache 6 catcache 55 catcache 54 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache
7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 55 catcache 54 catcache 80
catcache 79 catcache 80 catcache 79 catcache 7 catcache 6 catcache
7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 55 catcache 54 catcache 80 catcache 79 catcache 8
0 catcache 79 catcache 55 catcache 54 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 c
atcache 6 catcache 55 catcache 54 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache 6
catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catca
che 6 catcache 7 catcache 6 catcache 55 catcache 54 catcache 7 catcache 6
catcache 7 catcache 6 catcache 32 catcache 55 catcache 54 catcache 55
catcache 54 catcache 55 catcache 54 catcache 55 catcache 54
catcache 7 catcache 6 catcache 32 catcache 55 catcache 54 catcache 55
catcache 54 catcache 32 catcache 7 catcache 6 catcache 55 catcache 54
catcache 32 catcache 7 catcache 6 catcache 7 catcache 6 catcache
55 catcache 54 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7
catcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 c
atcache 6 catcache 55 catcache 54 catcache 80 catcache 79 catcache 80
catcache 79 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 catcache
6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 7 c
atcache 6 catcache 7 catcache 6 catcache 7 catcache 6 catcache 55 catcache
54 snapshot 2608 relcache 767325170 snapshot 1214 relcache 767325173
relcache 767325174 relcache 767325173 snapshot 2608 relcache
767325173 relcache 767325174 relcache 767325170 snapshot 2608 relcache
767325174 relcache 767325173 snapshot 2608 relcache 767325173 snapshot 2608
snapshot 2608 snapshot 2608 relcache 767325170 snapshot
2608 snapshot 1214 snapshot 2608 relcache 767325186 snapshot 1214 relcache
767325189 relcache 767325191 relcache 767325189 snapshot 2608 relcache
767325189 relcache 767325191 relcache 767325186 snapshot 2
608 relcache 767325192 relcache 767325186 snapshot 2608 relcache 767325186
relcache 767325192 relcache 767325192 relcache 767325186 snapshot 2608
relcache 767325191 relcache 767325189 snapshot 2608 relcac
he 767325189 snapshot 2608 snapshot 2608 snapshot 2608 relcache 767325186
snapshot 2608 snapshot 1214 snapshot 2608 relcache 767325193 snapshot 1214
relcache 767325196 relcache 767325197 relcache 76732519
6 snapshot 2608 relcache 767325196 relcache 767325197 relcache 767325193
snapshot 2608 relcache 767325198 relcache 767325193 snapshot 2608 relcache
767325193 relcache 767325198 relcache 767325198 relcache
767325193 snapshot 2608 relcache 767325197 relcache 767325196 snapshot 2608
relcache 767325196 snapshot 2608 snapshot 2608 snapshot 2608 relcache
767325193 snapshot 2608 snapshot 1214",,,,"","startup",,0

На пт, 8.08.2025 г. в 12:04 Kouber Saparev <kouber@gmail.com> написа:

> Indeed, nothing exotic about our replication.
>
> As for the object 4169049057, I am not able to find it anywhere in the
> catalogs. Perhaps it was something that was dropped in the meantime.
>
> На чт, 7.08.2025 г. в 2:18 Michael Paquier <michael@paquier.xyz> написа:
>
>> On Mon, Aug 04, 2025 at 01:00:35PM +0300, Kouber Saparev wrote:
>> > We just had the same sudden replica shutdown, this time with version
>> 17.3.
>> >
>> > 2025-08-02 22:10:02.229 UTC,,,473966,,67b3d76c.73b6e,14,,2025-02-18
>> > 00:42:20 UTC,8111/0,0,FATAL,XX000,"trying to drop stats entry already
>> > dropped: kind=relation dboid=16420 objoid=4169049057
>> refcount=1",,,,,"WAL
>> > redo at 6337E/9FF275E8 for Transaction/COMMIT: 2025-08-02
>>
>> You are close to wraparound for this relation.  Is that vanilla
>> streaming replication with heap?
>> --
>> Michael
>>
>