From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Vladimir Davydov Subject: [PATCH 0/6] Introduce blackhole engine Date: Fri, 20 Jul 2018 20:43:29 +0300 Message-Id: To: kostja@tarantool.org Cc: tarantool-patches@freelists.org List-ID: In the scope of #2129, we need to store deferred DELETE statements generated during primary index compaction in the WAL so that we can recover them after restart. This patch set introduces a new engine for this purpose - blackhole. Spaces that use this engine may be written to, but not read from (they don't even support creation of indexes). All operations done on a blackhole space are logged in the WAL and hence replayed during recovery, which is just what we need. https://github.com/tarantool/tarantool/issues/2129 https://github.com/tarantool/tarantool/commits/dv/blackhole Nikita Pettik (1): Rework memtx replace function Vladimir Davydov (5): Add generic engine, space, index method stubs Merge sysview_index.[hc] and sysview_engine.[hc] txn: unify txn_stmt tuples reference counting rules space: call before_replace trigger even if space has no indexes Introduce blackhole engine src/box/CMakeLists.txt | 4 +- src/box/blackhole.c | 210 ++++++++++++++++ src/box/{sysview_index.h => blackhole.h} | 40 ++- src/box/box.cc | 6 +- src/box/engine.c | 161 ++++++++++++ src/box/engine.h | 28 +++ src/box/index.cc | 13 + src/box/index.h | 3 + src/box/memtx_engine.c | 47 +--- src/box/memtx_space.c | 100 +++++--- src/box/memtx_space.h | 20 +- src/box/space.c | 109 +++++++-- src/box/space.h | 14 ++ src/box/{sysview_index.c => sysview.c} | 195 +++++++++++++-- src/box/{sysview_engine.h => sysview.h} | 16 +- src/box/sysview_engine.c | 406 ------------------------------- src/box/txn.c | 19 ++ src/box/vinyl.c | 42 +--- test/box/blackhole.result | 177 ++++++++++++++ test/box/blackhole.test.lua | 64 +++++ 20 files changed, 1068 insertions(+), 606 deletions(-) create mode 100644 src/box/blackhole.c rename src/box/{sysview_index.h => blackhole.h} (69%) rename src/box/{sysview_index.c => sysview.c} (70%) rename src/box/{sysview_engine.h => sysview.h} (84%) delete mode 100644 src/box/sysview_engine.c create mode 100644 test/box/blackhole.result create mode 100644 test/box/blackhole.test.lua -- 2.11.0