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

Open All

260 open issues indexed

on-failure hook not triggering Open

github/gh-ost#685 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Cutover not succeeding Open

github/gh-ost#687 · 23 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Suggestion: Ability to run multiple alters on a single table Open

enhancement

github/gh-ost#688 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Incorrect values when making column nullable Open

github/gh-ost#691 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ERROR Timeout while waiting for events up to lock. Open

duplicate

github/gh-ost#700 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
socketfile length limit Open

github/gh-ost#702 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
ERROR Timeout while waiting for events up to lock - after copy, well behind on binlog Open

github/gh-ost#709 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
wildcards in grants are not supported Open

enhancement

github/gh-ost#713 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Problems trying to build on Mac OSX 10.14 Open

github/gh-ost#727 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can I get proper values from hook scripts if I run 1+ gh-ost instances? Open

question

github/gh-ost#728 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow table modification/arbitrary commands during the cutover Open

enhancement

github/gh-ost#729 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
script/cibuild - cannot execute binary file errors Open

github/gh-ost#730 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Process inserting nulls in almost all fields Open

github/gh-ost#733 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
FATAL ERROR 1105 (HY000): Failed to register slave: too long 'report-host' Open

github/gh-ost#734 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Leveraging Docker for the build/test process? Open

question

github/gh-ost#740 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Lock on Master db Server table due to gh-ost thread Open

github/gh-ost#742 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
allow-nullable-unique-key fails Open

github/gh-ost#744 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
FATAL ERROR Timeout while waiting for events up to lock Open

github/gh-ost#748 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Err: unsupport type 0 in binlog Open

github/gh-ost#757 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Error 1048: Column 'xxx' cannot be null when switching a column from NULLABLE to NOT NULL Open

github/gh-ost#758 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
"unexpected EOF" at "recursively searching for replication master" phase Open

github/gh-ost#760 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Gh-ost backlog 1000/1000 can't make any progress. Open

github/gh-ost#761 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Accidental rename of _ghc or _gho should cause gh-ost fatally exit. Open

enhancement

github/gh-ost#763 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Migration over 100% and staying in migrating state. Never in postpone state. Open

github/gh-ost#764 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
lots of metalock ,mysql crash Open

github/gh-ost#768 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
INFO Waiting for ghost table to be migrated. Current lag is 0s Open

github/gh-ost#769 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Running on Google Cloud SQL Open

enhancement

github/gh-ost#770 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
FATAL Error 1205: Lock wait timeout exceeded; try restarting transaction Open

github/gh-ost#773 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Useing gh-ost to alter instance in a MGR group Open

github/gh-ost#779 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
use ”echo max-load=Thread_running=3 | socat - /tmp/gh-ost.t1.sock“ cause process hang Open

github/gh-ost#782 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
gh-ost in a loop of not being able to cut-over. Open

github/gh-ost#784 · 6 comments · 1 reaction · 1 assignee · Indexed Sep 16, 2026
Identify when the inspected server is restarted, and terminate Open

enhancement

github/gh-ost#785 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Enable developers to extend custom logging Open

enhancement

github/gh-ost#786 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
When a deadlock occurs，Is there a risk of data loss？ Open

question

github/gh-ost#794 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Disable the ChangeLog table binlog Open

github/gh-ost#797 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ERROR Timeout while waiting for events up to lock Open

github/gh-ost#799 · 28 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Bug to apply migration if binlog is compressed. Open

documentation enhancement

github/gh-ost#800 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Failed Gh-ost hook Not Propagating to Gh-ost script Open

github/gh-ost#801 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Migrating 100%, but shows State: postponing cut-over; ETA: due Open

github/gh-ost#804 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
stored generated columns can not be modified to regular fields Open

github/gh-ost#808 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
About rowcount Open

github/gh-ost#811 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Question] strategy for multiple table alters Open

question

github/gh-ost#812 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
BUG (?) wrong data type in JSON data after alter table . Open

bug

github/gh-ost#813 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Errors When Applying Binlog for latin1 Character Set Open

github/gh-ost#814 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
How do you run this on a simple, single database instance? Open

question

github/gh-ost#815 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Using gh-ost for data migration (across database)? Open

question

github/gh-ost#816 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ERROR args count differs from table column count in BuildDMLInsertQuery Open

github/gh-ost#828 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
a lot of metadata lock thread Open

github/gh-ost#829 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Alternative use of gh-ost : Resync slave tables Open

documentation question

github/gh-ost#839 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Aws rds for MySQL5.7 execute gh-ost error Open

github/gh-ost#840 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

github/gh-ost

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