[tarantool-patches] Re: [PATCH 2/9] wal: remove files needed for recovery from backup checkpoints on ENOSPC

Vladimir Davydov vdavydov.dev at gmail.com
Thu Nov 29 20:42:41 MSK 2018

On Thu, Nov 29, 2018 at 07:31:03PM +0300, Konstantin Osipov wrote:
> * Vladimir Davydov <vdavydov.dev at gmail.com> [18/11/28 19:16]:
> > Tarantool always keeps box.cfg.checkpoint_count latest checkpoints. It
> > also never deletes WAL files needed for recovery from any of them for
> > the sake of redundancy, even if it gets ENOSPC while trying to write to
> > WAL. This patch changes that behavior: now the WAL thread is allowed to
> > delete backup WAL files in case of emergency ENOSPC - after all it's
> > better than stopping operation.
> If you wish WAL to be part of some of the engine APIs, such as
> checkpointing, you could make it an engine and register in the
> engine list. MySQL does it this way.
> The patch is OK to push.

Pushed to 2.1.

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