Re: docs should mention that max_wal_size default depends on WAL segment size

2018-11-18 Thread Tomas Vondra
On 11/18/18 10:22 PM, Andres Freund wrote: > Hi, > > On 2018-11-18 22:16:12 +0100, Tomas Vondra wrote: >> while investigating something on a cluster with a non-default WAL >> segment (say 256MB), I've noticed a somewhat surprising behavior of >> max_wal_size default. While the docs claim the de

Re: docs should mention that max_wal_size default depends on WAL segment size

2018-11-18 Thread Andres Freund
Hi, On 2018-11-18 22:16:12 +0100, Tomas Vondra wrote: > while investigating something on a cluster with a non-default WAL > segment (say 256MB), I've noticed a somewhat surprising behavior of > max_wal_size default. While the docs claim the default is 1GB, the > actual default depends on the WAL s

docs should mention that max_wal_size default depends on WAL segment size

2018-11-18 Thread Tomas Vondra
Hi, while investigating something on a cluster with a non-default WAL segment (say 256MB), I've noticed a somewhat surprising behavior of max_wal_size default. While the docs claim the default is 1GB, the actual default depends on the WAL segment size. For example with the 256MB WAL segments, you