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Add some hints and tips for using RDS

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I had a little trouble figuring out how to configure the binlog format,
hopefully this will help some others.
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Max Wagner 2020-11-13 15:16:05 -07:00
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@ -5,7 +5,9 @@
## Limitations
- No `SUPER` privileges.
- Editing `binlog_format` not allowed, see next bullet.
- `gh-ost` runs should be setup use [`--assume-rbr`][assume_rbr_docs] and use `binlog_format=ROW`.
- See [this tip](#binlog_format) on how to change the `binlog_format`.
- Aurora does not allow editing of the `read_only` parameter. While it is defined as `{TrueIfReplica}`, the parameter is non-modifiable field.
## Aurora
@ -53,3 +55,10 @@ Before trying to run any `gh-ost` migrations you will want to confirm the follow
[ghost_hooks]: https://github.com/github/gh-ost/blob/master/doc/hooks.md
[ghost_rds_issue_tracking]: https://github.com/github/gh-ost/issues/163
[aws_replication_docs_bin_log_filtering]: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Replication.html#AuroraMySQL.Replication.Performance
## Other Tips & Tricks
## binlog_format
On a normal RDS instance, if you need to switch to `binlog_format=ROW`, you can do so by creating a [RDS Parameter Group](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html).
During the Parameter Group creation process, set `binlog_format` to `ROW`. After creating the Parameter group, you can modify you RDS instance to use it.