mysql-5.6
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Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.
Summary: when using clone to copy data in innodb instance and turn compression on. The speed is about 10 times slower than with compression off. The default compression algorithm used...
This fixes issue 1295 and has a workaround for issue 1200. https://github.com/facebook/mysql-5.6/issues/1200 https://github.com/facebook/mysql-5.6/issues/1295 The fix for issue 1295 is to get the value of the base level from RocksDB rather...
I assume there isn't a MyRocks suite that has good coverage but doesn't have the long running tests. When run like this ... ``` ./mysql-test-run.pl --async-client --parallel=$dop --fast --mem \...
Execute `Rdb_sst_info::commit_sst_file` in dedicated threads, this improves performance: 1. `Rdb_sst_file_ordered::commit` may use stack to reverse input data, this is time consuming 2. `m_sst_file_writer->Finish` may be consuming, at least it need...
### Background * According to the RFR pull request, [RFR improves update replication throughput by ~20%](https://github.com/facebook/mysql-5.6/commit/4c42dd50ecd792b749bc6f4893742a5178c9832d). * The machine I use are 3 C220g1 nodes: *Two E5-2630 CPU *128 GB...
force_flush_memtable_and_lzero_now always compacts to the physical L1, which might not be in use when dynamic leveled is enabled. In that case it should compact to the logical L1, which might...
the way rocksdb works, there's working memory setup (write cache) per rocksdb database. i was wondering how does the architecture for myrocks? if i create 65k databases, will it use...
Summary: This is a experimental change to solve the performance overshooting issue. The full change need to change the number of function parameters for several functions. Will apply the changes...
The `else` conditional compile branch of `HAVE_POLL` has a redundant `{`. This PR fix this issue
This PR reduced redundant searchs on `m_auto_incr_map`.