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[Docs] - Add sort buffer size (#13181)

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Pere Miquel Brull 2023-09-13 19:44:35 +02:00 committed by GitHub
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openmetadata-docs/content/partials/v1.1/deployment/upgrade/upgrade-prerequisites.md
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@ -167,6 +167,39 @@ The above command will update `global.*` with `openmetadata.config.*` yaml confi
For more information, visit the official helm docs for [global chart values](https://helm.sh/docs/chart_template_guide/subcharts_and_globals/#global-chart-values).
### Update `sort_buffer_size` (MySQL) or `work_mem` (Postgres)
Before running the migrations, it is important to update these parameters to ensure there are no runtime errors.
A safe value would be setting them to 10MB.
**If using MySQL**
You can update it via SQL (note that it will reset after the server restarts):
```sql
SET GLOBAL sort_buffer_size = 10485760
```
To make the configuration persistent, you'd need to navigate to your MySQL Server install directory and update the
`my.ini` or `my.cnf` [files](https://dev.mysql.com/doc/refman/8.0/en/option-files.html) with `sort_buffer_size = 10485760`.
If using RDS, you will need to update your instance's [Parameter Group](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html)
to include the above change.
**If using Postgres**
You can update it via SQL (not that it will reset after the server restarts):
```sql
SET work_mem = '10MB';
```
To make the configuration persistent, you'll need to update the `postgresql.conf` [file](https://www.postgresql.org/docs/9.3/config-setting.html)
with `work_mem = 10MB`.
If using RDS, you will need to update your instance's [Parameter Group](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html)
to include the above change.
### Elasticsearch and OpenSearch
We now support ES version up to 7.16. However, this means that we need to handle the internals a bit differently