luqun

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Rdb_iterator_base::next_with_direction: too many compares for eof check

Thanks for reporting. if you are using new rocksdb version(>=8.8.0), then you can try to disable iterator bound check(rocksdb_check_iterate_bounds = 0);

Add ddst_dict_init api support for rocksdb dd

@laurynas-biveinis , according to previous conversation, we may still need this mysql tablespace. Currently https://github.com/facebook/mysql-5.6/pull/1319 will fail if there is testcase using rocksdb DD.

Feature Request: Create Index in Parallel

This feature has been in our TODO list and may have some updates in H2.

MyRocks 8.0.28 has poor performance of primary key range query

Thanks for reporting. We will investigate the issue and give update later.

MRR will read the row twice for certain data types

This might due currently prefix varchar key isn't covered (and thus load whole row to read whole varchar). see related code https://github.com/facebook/mysql-5.6/blob/fb-mysql-5.6.35/storage/rocksdb/rdb_datadic.cc#L3466 https://github.com/facebook/mysql-5.6/blob/fb-mysql-5.6.35/storage/rocksdb/ha_rocksdb.cc#L8193

ha_rocksdb.cc cleanups to minimize sysvar split diff

Hi @laurynas-biveinis, could you rebase this PR?

ha_rocksdb.cc cleanups to minimize sysvar split diff

@laurynas-biveinis, could you also rebase this one?

Use python3 from $PATH instead of absolute paths

after change from /usr/bin/python3 to pythohn3, some of MTR failed to find due to "ModuleNotFoundError: No module named 'MySQLdb'".

Use python3 from $PATH instead of absolute paths

> Do you know what python3 are the scripts picking up? Is it possible to adjust PATH to put /usr/bin before that? the pyhon3 in /usr/local/sbin instead of /usr/bin/python3.. need...

Use python3 from $PATH instead of absolute paths

> @luqun , @hermanlee , could you tell which tests break with this PR in its current form? I am wondering if I could leave script shebangs using env such...