[DOCS] Manual Entries of commit_delay and commit_siblings are not complete.

lpful to specify the relations between these configuration parameters either in the manual, or in the source code by giving warnings logs. Thanks a lot! Tianyin -- Tianyin XU, http://cseweb.ucsd.edu/~tixu/

[DOCS] Manual Entries of commit_delay and commit_siblings are not complete.

Hi, pgsql-docs, I was confused by the system behavior of PG's write ahead log, specifically the relation between commit_delay, commit_siblings, and fsync. Basically according to the manual ( http://www.postgresql.org/docs/9.1/static/runtime-config-wal.html), I know: "commit_delay" specifies the

[DOCS] The relation between "checkpoint_timeout" and "checkpoint_warning" is missing

checkpoint (whatever * caused it) and (b) somebody set the CHECKPOINT_CAUSE_XLOG flag * since the last checkpoint start. Note in particular that this * implementation will not generate warnings caused by * CheckPointTimeout < CheckPointWarning. */ I think this's should definitely s