| title | date | summary | tags | ||||
|---|---|---|---|---|---|---|---|
Weekly update (April 09 ~ April 15, 2018) |
2018-04-16 |
Last week, we landed 32 PRs in the TiDB repositories, 3 PRs in the TiSpark repositories, and 25 PRs in the TiKV and PD repositories. |
|
Last week, we landed 32 PRs in the TiDB repositories.
- Update the average column size dynamically
- Update statistics using query feedback
- Use
tidb_index_lookup_join_currencyto control the number ofIndexLookupJoininner workers - Add a TiDB system variable
tidb_hash_join_concurrency - Make pseudo estimate ratio configurable
- Show memory usage in
show processlist
- Make inferring of decimal for
unix_timestampmore consistent with MySQL - Fix the bug of writing null value into not null column in write-only state
- Fix the
IndexLookUpJoinhang problem - Update the column's offset when modifying the column
- Support
insert ignoreon duplicate update
- Set
explicit_defaults_for_timestamp = onfor compatibility with MySQL - Increase the default lease
- Improve the performance of
Clone - Use a cloned
Expressionwhen setting it toplan
Last week, we landed 3 PRs in the TiSpark repositories.
Last week, we landed 25 PRs in the TiKV and PD repositories.
- Support Raft learner in
raftstore - Support adding the learner node
- Modify RocksDB cache size dynamically
- Build
tikv-importeras a standalone binary
- Remove a misused RocksDB ticker
- Disable
DeleteRangeby default - Avoid the panic caused by extreme conditions when generating snapshots
- Fix the issue of allocating IDs frequently
- Shrink queues into smaller ones to save memory when they are not used anymore
- Simplify the process of
ImportSST::UploadAPI - Process the
overflow_as_warningflag - Collect the number of rows scanned for each range
- Do not clear
taintCacheinbalanceRegionScheduler - Adjust the balance configuration
- Add
keepalive - Fix the compatibility issue when adding a new scheduler
- TiKV: Zhang Yuning
- Docs: John Liu
- Docs-cn: yanchaozhong