[tarantool-patches] Re: [PATCH 0/5] SWIM loglog preparation

[Vladislav Shpilevoy <v.shpilevoy@tarantool.org>]

Pushed to the master.

On 04/07/2019 01:28, Vladislav Shpilevoy wrote:
> The patchset prepares ground for a new SWIM's killer feature -
> O(log(log(cluster_size))) full dissemination time.
> 
> Most of the commits are quite obvious, see their commit messages.
> 
> The last two ones could look strange. I've the final loglog commit on another
> branch, and it slows down the SWIM tests in 2-3 times just spending much and
> much more time on checking and decoding MessagePack in the padded out messages.
> According to the profiler, most of the time is spent in mp_decode/check_uint,
> when I use Debug build.
> 
> The last two commits compensate that problem, making the tests perhaps even
> faster than before the whole 4253. Especially the last one. See their messages
> for details.
> 
> Branch: http://github.com/tarantool/tarantool/tree/gerold103/gh-4253-loglog-preparation
> Issue: https://github.com/tarantool/tarantool/issues/4253
> 
> Vladislav Shpilevoy (5):
>   swim: fix flaky 'indirect pings' test
>   swim: sadly remove cache
>   test: redo some swim tests using error injections
>   swim: speed-up tests
>   swim: speed-up empty payloads cluster bootstrap
> 
>  src/lib/core/errinj.h        |   1 +
>  src/lib/swim/swim.c          |  53 ++++------
>  test/swim/errinj.result      | 102 ++++++++++++++++++
>  test/swim/errinj.test.lua    |  41 ++++++++
>  test/swim/suite.ini          |   1 +
>  test/swim/swim.result        |  55 ----------
>  test/swim/swim.test.lua      |  22 ----
>  test/unit/CMakeLists.txt     |   5 +
>  test/unit/suite.ini          |   1 +
>  test/unit/swim.c             | 197 ++--------------------------------
>  test/unit/swim.result        |  31 ++----
>  test/unit/swim_errinj.c      | 199 +++++++++++++++++++++++++++++++++++
>  test/unit/swim_errinj.result |  18 ++++
>  test/unit/swim_test_utils.c  | 102 ++++++------------
>  test/unit/swim_test_utils.h  |  24 +++--
>  15 files changed, 456 insertions(+), 396 deletions(-)
>  create mode 100644 test/swim/errinj.result
>  create mode 100644 test/swim/errinj.test.lua
>  create mode 100644 test/unit/swim_errinj.c
>  create mode 100644 test/unit/swim_errinj.result
>