| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Petr Jelinek <petr(dot)jelinek(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Subject: | Re: Decoding speculative insert with toast leaks memory |
| Date: | 2021-06-16 14:48:24 |
| Message-ID: | 648020.1623854904@sss.pgh.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> writes:
> Pushed!
skink reports that this has valgrind issues:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=skink&dt=2021-06-15%2020%3A49%3A26
2021-06-16 01:20:13.344 UTC [2198271][4/0:0] LOG: received replication command: IDENTIFY_SYSTEM
2021-06-16 01:20:13.384 UTC [2198271][4/0:0] LOG: received replication command: START_REPLICATION SLOT "sub2" LOGICAL 0/0 (proto_version '1', publication_names '"pub2"')
2021-06-16 01:20:13.454 UTC [2198271][4/0:0] LOG: starting logical decoding for slot "sub2"
2021-06-16 01:20:13.454 UTC [2198271][4/0:0] DETAIL: Streaming transactions committing after 0/157C828, reading WAL from 0/157C7F0.
2021-06-16 01:20:13.488 UTC [2198271][4/0:0] LOG: logical decoding found consistent point at 0/157C7F0
2021-06-16 01:20:13.488 UTC [2198271][4/0:0] DETAIL: There are no running transactions.
...
==2198271== VALGRINDERROR-BEGIN
==2198271== Conditional jump or move depends on uninitialised value(s)
==2198271== at 0x80EF890: rel_sync_cache_relation_cb (pgoutput.c:833)
==2198271== by 0x666AEB: LocalExecuteInvalidationMessage (inval.c:595)
==2198271== by 0x53A423: ReceiveSharedInvalidMessages (sinval.c:90)
==2198271== by 0x666026: AcceptInvalidationMessages (inval.c:683)
==2198271== by 0x53FBDD: LockRelationOid (lmgr.c:136)
==2198271== by 0x1D3943: relation_open (relation.c:56)
==2198271== by 0x26F21F: table_open (table.c:43)
==2198271== by 0x66D97F: ScanPgRelation (relcache.c:346)
==2198271== by 0x674644: RelationBuildDesc (relcache.c:1059)
==2198271== by 0x674BE8: RelationClearRelation (relcache.c:2568)
==2198271== by 0x675064: RelationFlushRelation (relcache.c:2736)
==2198271== by 0x6750A6: RelationCacheInvalidateEntry (relcache.c:2797)
==2198271== Uninitialised value was created by a heap allocation
==2198271== at 0x6AC308: MemoryContextAlloc (mcxt.c:826)
==2198271== by 0x68A8D9: DynaHashAlloc (dynahash.c:283)
==2198271== by 0x68A94B: element_alloc (dynahash.c:1675)
==2198271== by 0x68AA58: get_hash_entry (dynahash.c:1284)
==2198271== by 0x68B23E: hash_search_with_hash_value (dynahash.c:1057)
==2198271== by 0x68B3D4: hash_search (dynahash.c:913)
==2198271== by 0x80EE855: get_rel_sync_entry (pgoutput.c:681)
==2198271== by 0x80EEDA5: pgoutput_truncate (pgoutput.c:530)
==2198271== by 0x4E48A2: truncate_cb_wrapper (logical.c:797)
==2198271== by 0x4EFDDB: ReorderBufferCommit (reorderbuffer.c:1777)
==2198271== by 0x4E1DBE: DecodeCommit (decode.c:637)
==2198271== by 0x4E1F31: DecodeXactOp (decode.c:245)
==2198271==
==2198271== VALGRINDERROR-END
regards, tom lane
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