(2013/12/09 19:36), KONDO Mitsumasa wrote:
* Problem 1
I read your wittened document. There is "PITR has not affected".
However, when I run PITR with min_standby_apply_delay=3000000, it cannot start
server. The log is under following.
[mitsu-ko@localhost postgresql]$ bin/pg_ctl -D data2 start
server starting
[mitsu-ko@localhost postgresql]$ LOG:  database system was interrupted; last
known up at 2013-12-08 18:57:00 JST
LOG:  creating missing WAL directory "pg_xlog/archive_status"
cp: cannot stat `../arc/00000002.history':
LOG:  starting archive recovery
LOG:  restored log file "000000010000000000000041" from archive
LOG:  redo starts at 0/41000028
LOG:  consistent recovery state reached at 0/410000F0
LOG:  database system is ready to accept read only connections
LOG:  restored log file "000000010000000000000042" from archive
FATAL:  cannot wait on a latch owned by another process
LOG:  startup process (PID 30501) exited with exit code 1
LOG:  terminating any other active server processes
We need recovery flag for controling PITR situation.
Add my comment. We have to consider three situations.

2. replication standby
3. replication standby with restore_command

I think this patch cannot delay in 1 situation. So I think you should add only StandbyModeRequested flag in conditional branch.

Mitsumasa KONDO
NTT Open Source Software Center

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