[tarantool-patches] Re: [PATCH 3/9] vinyl: use uncompressed run size for range split/coalesce/compaction
vdavydov.dev at gmail.com
Wed Feb 6 19:48:32 MSK 2019
On Tue, Feb 05, 2019 at 07:43:55PM +0300, Konstantin Osipov wrote:
> * Vladimir Davydov <vdavydov.dev at gmail.com> [19/01/21 06:58]:
> > Historically, when considering splitting or coalescing a range or
> > updating compaction priority, we use sizes of compressed runs (see
> > bytes_compressed). This makes the algorithms dependent on whether
> > compression is used or not and how effective it is, which is weird,
> > because compression is a way of storing data on disk - it shouldn't
> > affect the way data is partitioned. E.g. if we turned off compression
> > at the first LSM tree level, which would make sense, because it's
> > relatively small, we would affect the compaction algorithm because
> > of this.
> OK to push.
Pushed to 2.1 and 1.10.
More information about the Tarantool-patches