TiDB Weekly

News & blog post

Chaos Mesh is an easy-to-use, open-source, cloud-native Chaos Engineering platform that orchestrates chaos in Kubernetes environments. Last week, we published a 10-minute tutorial that will help you quickly get started with Chaos Engineering and run your first chaos experiment with Chaos Mesh.

The full article is here:

Run Your First Chaos Experiment in 10 Minutes

Community

New contributors

tidb:

• LindaSummer
• stoksc

pd:

• Sullivan12138

docs-cn:

• SE-Bin

Call for participation

TiDB

• Control the concurrency of all types of executors in one session variable
• Use space instead of Tab in the events_statements_summary_by_digest.plan field

TiKV

• Support the slow query log searching
• Optimize the performance of Coprocessor Analyze
• All help-wanted issues in TiKV

TiDB Dashboard

• Add a refresh button in the statement overview page
• Improve build packages
• Update to React Router v6
• Try to switch to react-spring
• Refine log searching models
• Avoid the screen flash when the session times out
• Support overriding the TiDB node to the request

TiDB Backup & Restore (BR)

• Add the backup retry when some TiKV nodes get down
• All help-wanted issues in TiDB Backup & Restore

TiDB Change Data Capture (CDC)

• Refine the log and the standard output (stdout) of the CDC cli tool
• All help-wanted issues in TiDB Change Data Capture

Updates of the week

Progress

Last week, we landed 85 PRs in the TiDB repository and 46 PRs in the TiKV and PD repositories.

TiDB

• Forbid changing the column collation in some cases
• Add the explain information for ClusterLogTableExtractor
• Add a switch to decide whether to capture internal queries

TiDB Dashboard

• Fix the issue that the log searching component selector is too short
• Fix a select and zoom bug in Key Visualizer

TiUP

• Support specifying GOOS and GOARCH
• Refactor the TiUP API and make its reuse easier by the external component
• Progress of New TiOPS development: 35% completed

TiKV

• Support apply on Raftstore
• Support TLS for the status server
• Fix a panic of read index during the leader transfer
• Abstract more Raftstore over engine_traits
• Optimize the batch system for the better pipeline work
• Support the encryption at rest
• Use multi-batch-write for apply

PD

• Fix the race and panic bugs on Syncer #2236 #2256
• Parameterize the hotspot scheduling and adjust the hot cache

On-going TiDB event

TiDB Usability Challenge Program