[PATCH v2 1/8] vinyl: fix force compaction logic

[Konstantin Osipov]

* Vladimir Davydov <vdavydov.dev at gmail.com> [18/09/17 15:05]:
> This patch addresses a few problems index.compact() is suffering from,
> namely:
> 
>  - When a range is split or coalesced, it should inherit the value of
>    needs_compaction flag from the source ranges. Currently, the flag is
>    cleared so that the resulting range may be not compacted.
> 
>  - If a range has no slices, we shouldn't set needs_compaction flag for
>    it, because obviously it can't be compacted, but we do.
> 
>  - The needs_compaction flag should be cleared as soon as we schedule a
>    range for compaction, not when all slices have been compacted into
>    one, as we presently expect, because the latter may never happen
>    under a write-intensive load.

OK to push (I assume you've already implemented the comment
changes we discussed in the chat).

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Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov