| From: | Kuntal Ghosh <kuntalghosh(dot)2007(at)gmail(dot)com> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: subscriptionCheck failures on nightjar |
| Date: | 2019-09-19 11:50:15 |
| Message-ID: | CAGz5QC+5_mPFoDj7ZSMV0gwvMY+kdOp4t1w=TTDpzuV9F2-X6g@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hello hackers,
It seems there is a pattern how the error is occurring in different
systems. Following are the relevant log snippets:
nightjar:
sub3 LOG: received replication command: CREATE_REPLICATION_SLOT
"sub3_16414_sync_16394" TEMPORARY LOGICAL pgoutput USE_SNAPSHOT
sub3 LOG: logical decoding found consistent point at 0/160B578
sub1 PANIC: could not open file
"pg_logical/snapshots/0-160B578.snap": No such file or directory
dromedary scenario 1:
sub3_16414_sync_16399 LOG: received replication command:
CREATE_REPLICATION_SLOT "sub3_16414_sync_16399" TEMPORARY LOGICAL
pgoutput USE_SNAPSHOT
sub3_16414_sync_16399 LOG: logical decoding found consistent point at 0/15EA694
sub2 PANIC: could not open file
"pg_logical/snapshots/0-15EA694.snap": No such file or directory
dromedary scenario 2:
sub3_16414_sync_16399 LOG: received replication command:
CREATE_REPLICATION_SLOT "sub3_16414_sync_16399" TEMPORARY LOGICAL
pgoutput USE_SNAPSHOT
sub3_16414_sync_16399 LOG: logical decoding found consistent point at 0/15EA694
sub1 PANIC: could not open file
"pg_logical/snapshots/0-15EA694.snap": No such file or directory
While subscription 3 is created, it eventually reaches to a consistent
snapshot point and prints the WAL location corresponding to it. It
seems sub1/sub2 immediately fails to serialize the snapshot to the
.snap file having the same WAL location.
Is this helpful?
--
Thanks & Regards,
Kuntal Ghosh
EnterpriseDB: http://www.enterprisedb.com
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