On Thu, Dec 10, 2015 at 1:55 PM, Andres Freund <[email protected]> wrote:
>
> Looking at datfrozenxid:
> postgres=# select datname, datfrozenxid, age(datfrozenxid) FROM pg_database ;
> datname | datfrozenxid | age
> -----------+--------------+-----------
> template1 | 3357685367 | 0
> template0 | 3357685367 | 0
> postgres | 3159867733 | 197817634
> (3 rows)
> reveals that the launcher doesn't do squat because it doesn't think it
> needs to do anything.
>
> (gdb) p *ShmemVariableCache
> $3 = {nextOid = 24576, oidCount = 0, nextXid = 3357685367, oldestXid =
> 1211201715, xidVacLimit = 1411201715, xidWarnLimit = 3347685362,
> xidStopLimit = 3357685362, xidWrapLimit = 3358685362, oldestXidDB = 12380,
> oldestCommitTs = 0, newestCommitTs = 0,
> latestCompletedXid = 3357685366}
Do we know how template0 and template1 get frozen with xid which were
5 past the xidStopLimit? Is that part of the mystery here, or is that
normal?
Cheers,
Jeff
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