Обсуждение: Re: [COMMITTERS] pgsql: In walsender, don't sleep if there's outstanding WAL waiting to
Hi, On Thu, May 27, 2010 at 7:21 AM, Heikki Linnakangas <heikki@postgresql.org> wrote: > Log Message: > ----------- > In walsender, don't sleep if there's outstanding WAL waiting to be sent, > otherwise we effectively rate-limit the streaming as pointed out by > Simon Riggs. Also, send the WAL in smaller chunks, to respond to signals > more promptly. > > Modified Files: > -------------- > pgsql/src/backend/replication: > walsender.c (r1.20 -> r1.21) > (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/replication/walsender.c?r1=1.20&r2=1.21) This commit seems to have introduced the bug that walsender exits before sending all the WAL up to shutdown checkpoint record when smart shutdown is requested. The attached patch fixes the bug and a tiny typo. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center
On Mon, May 31, 2010 at 7:03 PM, Fujii Masao <masao.fujii@gmail.com> wrote: > Hi, > > On Thu, May 27, 2010 at 7:21 AM, Heikki Linnakangas > <heikki@postgresql.org> wrote: >> Log Message: >> ----------- >> In walsender, don't sleep if there's outstanding WAL waiting to be sent, >> otherwise we effectively rate-limit the streaming as pointed out by >> Simon Riggs. Also, send the WAL in smaller chunks, to respond to signals >> more promptly. >> >> Modified Files: >> -------------- >> pgsql/src/backend/replication: >> walsender.c (r1.20 -> r1.21) >> (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/replication/walsender.c?r1=1.20&r2=1.21) > > This commit seems to have introduced the bug that walsender exits > before sending all the WAL up to shutdown checkpoint record when > smart shutdown is requested. > > The attached patch fixes the bug and a tiny typo. Sorry. I forgot to attach the patch.. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center
Вложения
Re: [COMMITTERS] pgsql: In walsender, don't sleep if there's outstanding WAL waiting to
От
Heikki Linnakangas
Дата:
On 31/05/10 13:20, Fujii Masao wrote: > On Mon, May 31, 2010 at 7:03 PM, Fujii Masao<masao.fujii@gmail.com> wrote: >> This commit seems to have introduced the bug that walsender exits >> before sending all the WAL up to shutdown checkpoint record when >> smart shutdown is requested. >> >> The attached patch fixes the bug and a tiny typo. > > Sorry. I forgot to attach the patch.. Thanks, committed. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com