-
TiDB supports online schema change natively while MySQL often leverages tools like gh-ost. For task syncing from MySQL to TiDB, we'd better come up with a solution.
@xialuo1990 could you list ddl s…
-
### Overview of the Issue
I am facing RENAME table issue while running Online DDl with "vitess" strategy with postpone completion option (Testing Postponed migrations : https://vitess.io/docs/16.0…
-
### 全局锁
对整个数据库实例加锁,MySQL 提供一个加全局读锁的命令:Flush tables with read lock(FTWRL),命令执行后,数据更新语句(增删改)、数据定义语句(建表和修改表结构等)和更新类事务都会被阻塞,经常用于数据库备份场景
备份也可以使用 mysqldump 官方自带的逻辑备份工具,参数 -single-transaction 会在导数据之前启动…
-
There's an edge case concerning create table and adding and index.
When you run a create table migration that includes an index creation from a machine that doesn't have percona-toolkit installed, …
-
hi,
suggest to add an parameter recursion-method to find all slave auto like pt-online-schema-change.
we have to avoid any lag when we do ddl on the master, if we don't have the recursion-method, we…
-
### System information
- **Have I written custom code (as opposed to using a stock example script provided in MLflow)**: yes
- **OS Platform and Distribution (e.g., Linux Ubuntu 16.04)**: Debian GNU…
-
**Migrated issue, originally created by Wil Tan ()**
In offline mode, Alembic emits IDENTITY INSERT mode control statements. However, in online mode, it does not do so.
There are a few shortcomings …
-
Context: online DDL. This happens on development environments: if running a long `gh-ost` migration, and `vttablet` crashes (or is killed) while the migration is running, and restarted, then upon star…
-
Hi, once again thanks for this great library.
I've run into a bad surprise when performing migrations concurrently, as the SQLite adapter does not actually perform any locking during migrations: [s…
-
### Feature Description
It would be nice to have a command or as a part of cleanup command to verify that all the internal tables/ artifacts are in the correct state.
### Use Case(s)
Ran into one …