github/gh-ost

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GitHub's Online Schema-migration Tool for MySQL

Stars: 13.6k
Forks: 1.4k
Open beginner issues: 0
Indexed issues: 260
Avg merge: 2h 31m
Merged PRs (30d): 4

Dominant language: Go
License: MIT
Last GitHub push: Aug 28, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

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260 open issues indexed

Regression in master: SET transaction_isolation = 'repeatable_read'; Open

github/gh-ost#1262 · 7 comments · 7 reactions · 0 assignees · Indexed Sep 16, 2026
enhancement: support more my.cnf client features Open

github/gh-ost#1265 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
2022-10-13 04:47:38 FATAL Error 1048: Column 'payment_type' cannot be null; query= Open

github/gh-ost#1266 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
The table lock is not released until 60 seconds after a failed table cut Open

github/gh-ost#1270 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Fails to rename column when alter renames + re-adds new column with prev name Open

github/gh-ost#1273 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
running gh-ost on mysql 8.0.32 gets erros Open

github/gh-ost#1276 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Thanks for opening this pull request! A GitHub docs team member should be by to give feedback soon. In the meantime, please check out the [contributing guidelines](https://github.com/github/docs/blob/main/CONTRIBUTING.md). Open

github/gh-ost#1288 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Why gh-ost set time_zone to UTC when applying DML events Open

github/gh-ost#1289 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
aurora_enable_repl_bin_log_filtering cant be set in aurora mysql version 3+ Open

github/gh-ost#1291 · 1 comment · 7 reactions · 0 assignees · Indexed Sep 16, 2026
Can I use this tool with AWS Aurora RDS cluster for schema fixes? Open

github/gh-ost#1293 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
I encountered a problem when using gh-ost to alter primary key , Please help me Open

github/gh-ost#1294 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
'Connect to replica, migrate to master' operation mode also requires a secondary Amazon RDS Aurora cluster Open

github/gh-ost#1295 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
gh-ost is reporting wrong the number of multi-columns FK Open

github/gh-ost#1328 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Why were the patch versions for CVE-2022-21687 released so late? Open

github/gh-ost#1335 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
CHECK constraints being renamed to MySQL defaults Open

github/gh-ost#1341 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
a question about the usage of gh-ost when migrated Open

github/gh-ost#1361 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Lock wait timeout exceeded during cutover Open

github/gh-ost#1364 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
support create-table flag for simplified gh-ost migration Open

github/gh-ost#1384 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[TASK] Confirm if your service is required for Proxima Open

github/gh-ost#1385 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
max-lag-millis parameter description is misleading when running on master Open

documentation question

github/gh-ost#1387 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
When will the throttled state be triggered Open

github/gh-ost#1389 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
binlog syncer closes unexpectedly Open

github/gh-ost#1397 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
FATAL invalid sequence 8 != 1 Open

github/gh-ost#1415 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Cannot log in to mysql DB by ghost user Open

github/gh-ost#1416 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
collect table statistics before renaming table Open

github/gh-ost#1418 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Clarification on `aurora_enable_repl_bin_log_filtering` in Aurora Open

github/gh-ost#1424 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
RDS/Aurora Docs clarifications. Open

github/gh-ost#1425 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
[Suggestion] Apply simple validation to alter command Open

enhancement good first issue

github/gh-ost#1431 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ERROR Error 1146: Table '<db>._temp_no_ghc' doesn't exist Open

github/gh-ost#1432 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
UCS2 to UTF8MB4 Encoding error Open

github/gh-ost#1438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Handling Slow Queries Without Indexes in gh-ost Open

github/gh-ost#1439 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Error current heartbeatlag (9223372036.85s) is too high Open

github/gh-ost#1444 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Run gh-ost on master, replica, or neither? Open

github/gh-ost#1476 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
gh-ost is stuck forever & data loss for BIT column in primary key Open

bug data-integrity

github/gh-ost#1480 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Table Space Bloat Due to Gh-ost Open

enhancement performance

github/gh-ost#1484 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Slave UUID in replica for gh-ost shows java.lang.ArrayIndexOutOfBoundsException Open

github/gh-ost#1492 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
RocksDB support Open

github/gh-ost#1496 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Proposal for New Ghost Feature Integration Open

github/gh-ost#1514 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Can i use gh-ost to migrate uuid fields from char(36) to binary(18) Open

github/gh-ost#1533 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
MySQL query optimizer doesn't necessarily use unique key in BuildUniqueKeyRangeEndPreparedQueryViaOffset's query Open

bug performance

github/gh-ost#1538 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Feature Request: Support for Multi-Column Primary Keys with Partitioned Tables Open

enhancement

github/gh-ost#1540 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Replica HA_ERR_FOUND_DUPP_KEY after migration-on-replica cutover Open

bug data-integrity

github/gh-ost#1556 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Google Cloud SQL permission check error Open

github/gh-ost#1572 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
gh-ost completed success but print Errors Open

github/gh-ost#1573 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
not support xengine，if the default engine is xengine, gh-ost occurs: ERROR Error 1105: Unsupported collation on string indexed column hint Open

bug

github/gh-ost#1585 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Locked tables at the final stage with FATAL critical-load met Open

github/gh-ost#1596 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Why not using gh-ost to delete old/specific data Open

github/gh-ost#1620 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Migration fails with "ghc table does not exist" Open

bug

github/gh-ost#1622 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Optimize the lock time in the cutOver phase Open

github/gh-ost#1630 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Provide a package-repository Open

github/gh-ost#1654 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

github/gh-ost

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