TiDB Weekly

News & blog posts

Last week, we published an article that goes over how to build and run your own TiDB or TiKV, and how to run some benchmarks on those databases. The full article is here:

Building, Running, and Benchmarking TiKV and TiDB

Last week, we also published an article that introduces TiUP, a component manager introduced in TiDB v4.0 that streamlines installing and configuring a TiDB cluster into a few easy commands. With TiUP, you can get your cluster up in just one minute. The full article is here:

Get a TiDB Cluster Up in Only One Minute

Community

New contributors

tikv:

• crodjer

Call for participation

TiDB

• To fix the issue that the table not exist error code in the release-3.0 branch is not the same as that in the master branch
• Remove the default asc order in the explain result
• All help-wanted issues in TiDB

TiKV

• Add metrics for channels of peer fsm and apply fsm
• All help-wanted issues in TiKV
• All help-wanted issues in PD

TiDB Change Data Capture (CDC)

• All help-wanted issues in TiDB Change Data Capture

Updates of the week

Progress

Last week, we landed 84 PRs in the TiDB repository, 2 PRs in the TiUP repository, 11 PRs in the TiDB Dashboard repository, 3 PRs in the TiSpark repository, and 53 PRs in the TiKV and PD repositories.

TiDB

• Fix the panic issue that occurs when executing the PointGet query after the delete operation
• Support the BACKUP and RESTORE statements in RFC
• Pre-split Regions during 2PC to avoid the hotspot problem
• Prevent the subquery expression in the values clause from referencing the upper scope to parse the column name when the table name is not specified for insert statements
• Compare locks by keys and timestamps
• Generalize SHOW TABLE t NEXT_ROW_ID for auto_random and sequences
• Collapse the duplicate resolved locks in Region requests
• Add the brief RFC about TiDB sequence

TiDB Dashboard

• Support auto-collection
• Add the support for searching TiKV slow logs
• Integrate statements and slow queries
• Support TiFlash

TiUP

• Add translated user documents

TiKV

• Fix the multi-batch-write bug
• Enable the hard link check on all Unix systems

PD

• Update kvproto to #605 which changes the binary path to the deploy path

TiSpark

• Fix the bug that the table is not found

On-going TiDB event

TiDB Usability Challenge Program