[PATCH 0/3] Allow to completely disable vinyl cache

[Vladimir Davydov]

Patch 1 makes box.cfg.vinyl_cache option dynamic - this simplifies
writing the test. Patch 2 disables cache population if vinyl_cache
is 0. Patch 3 removes some useless errinj checks from vy_cache.c.

https://github.com/tarantool/tarantool/issues/3172
https://github.com/tarantool/tarantool/tree/gh-3172-vy-allow-to-completely-disable-cache

Vladimir Davydov (3):
  vinyl: allow to resize cache online
  vinyl: don't populate cache if box.cfg.vinyl_cache is 0
  vinyl: remove unused error injection handling in cache

 src/box/box.cc                  | 11 ++++++-
 src/box/box.h                   |  1 +
 src/box/lua/cfg.cc              | 12 ++++++++
 src/box/lua/load_cfg.lua        |  1 +
 src/box/vinyl.c                 | 14 ++++++---
 src/box/vinyl.h                 | 12 ++++++--
 src/box/vy_cache.c              | 43 +++++++++++---------------
 src/box/vy_cache.h              | 15 +++++++--
 test/unit/vy_iterators_helper.c |  3 +-
 test/unit/vy_point_lookup.c     |  3 +-
 test/vinyl/cache.result         | 67 +++++++++++++++++++++++++++++++++++++++++
 test/vinyl/cache.test.lua       | 24 +++++++++++++++
 12 files changed, 168 insertions(+), 38 deletions(-)

-- 
2.11.0