[Tarantool-patches] [PATCH v4] memtx: change small allocator behavior

[Kirill Yukhin]

Hello,

On 25 Dec 14:45, mechanik20051988 via Tarantool-patches wrote:
> From: mechanik20051988 <mechanik20.05.1988 at gmail.com>
> 
> Branch: https://github.com/tarantool/tarantool/tree/mechanik20051988/gh-5216-fix-strange-allocator-behavior
> 
> Cnanges in v4:
> 	Add actual_alloc_factor parameter to small_alloc_create
> 
> Previously, in small allocator, memory pools
> were allocated at the request, which in the case
> of a small slab_alloc_factor led to use
> pools with incorrect sizes. This patch changed
> small allocator behavior, now we allocate pools
> on the stage of allocator creation. Also we use
> special function to find appropriate pool, which
> is faster, then previous version with rbtree.
> This change fixes #5216.
> 
> Also moved a check, that the slab_alloc_factor is in
> the range (1.0, 2.0] from small allocator to memtx_engine.
> If factor is not in range change it to 1.0001 or 2.0 respectively
> 
> Closes #5216

Checked into 1.10, 2.5, 2.6 and master. Small updated.

--
Regards, Kirill Yukhin