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Hi,
In the doc you state that gh-ost requires the `TRIGGER` grant.
This is a bit confusing as gh-ost is designed to be trigger less...
could you please clarify what is the trigger grant used for?…
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Hi
we run gh-ost on MySQL 8.0.22 and got the following error when an UPDATE statement is performed on the table while ghost is running:
**ERROR unique key columns is not a subset of shared columns…
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This issue will be the tracking space for all things vitess Online DDL. Note that this issue is created after some substantial work is done:
- code: https://github.com/vitessio/vitess/pull/6547, av…
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Hi folks,
Thank you all for writing this awesome tool! There's one scenario I don't quite understand. How do we avoid following situation:
1) A row in the original table has value (foo, 1).
2)…
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### Situation:
Migration was 100% complete except for the binlog "Backlog" was at 1000/1000 and I didn't realize several hours behind and I attempted to cut-over.
### Cut-over:
`--postpone-cut-ov…
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I was running the following gh-ost command:
```
./gh-ost \
--max-load=Threads_running=50 \
--critical-load=Threads_running=5000 \
--chunk-size=10000 \
--throttle-control-replicas="mysql-replic…
edeak updated
3 years ago
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We had a situation today where we accidentally renamed the _ghc and _gho tables, however, gh-ost continued to run with just an error saying that the tables didn't exist. The removal, rename, or otherw…
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> We meet a performance case when use gh-ost to do ddl
### Problem Description
When we do a ddl on a table which has a composed primary key, active session arise quickly and the database hang…
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Today, Vitess recognizes these formats as _internal_ names:
GC table names
- `_vt_HOLD_6ace8bcef73211ea87e9f875a4d24e90_20200915120410`
- `_vt_PURGE_6ace8bcef73211ea87e9f875a4d24e90_2020091512041…
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Hello:
We tried to recycle data-free space by `alter table tab engine = innodb` from a table.
After gh-ost executed, no error coccurs, but data is lost:
```
gh-ost version is 1.1.2
mysql versi…