What new public interfaces do you think are needed for 9.1 in this regard? Cheers, David. On Thu, Oct 14, 2010 at 11:10:14AM +0900, Tatsuo Ishii wrote: > Ok, it seems impossible to do that by using any public interfaces > currently available in PostgreSQL 9.0. I will create a custom C > function to be distributed along with pgpool-II. > -- > Tatsuo Ishii > SRA OSS, Inc. Japan > English: http://www.sraoss.co.jp/index_en.php > Japanese: http://www.sraoss.co.jp > > > Hi, > > > > I'm looking for a way to reliably detect if it's a promoting > > standby. This is neccessary for pgpool-II manage streaming replication > > clusters. When primary goes down, standby *could* start promoting to > > primary. The only way to find it is calling > > pg_is_in_recovery(). Problem is, it returns true even if standby is > > promoting. If pgpool-II waits for cetain period, it may finishes > > promotion, thus it returns false. But how long should we wait? > > > > Any idea? > > -- > > Tatsuo Ishii > > SRA OSS, Inc. Japan > > English: http://www.sraoss.co.jp/index_en.php > > Japanese: http://www.sraoss.co.jp > > > > -- > > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > > To make changes to your subscription: > > http://www.postgresql.org/mailpref/pgsql-hackers > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers
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