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feat(kb/aws/rds): cancel pending modifications

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Michele Cereda
2025-06-24 23:45:55 +02:00
parent 25b58c36e1
commit 2f51b9dec3
1 changed files with 46 additions and 0 deletions
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knowledge base/cloud computing/aws/rds.md
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@@ -16,6 +16,7 @@
1. [Operations](#operations)
1. [PostgreSQL: reduce allocated storage by migrating using transportable databases](#postgresql-reduce-allocated-storage-by-migrating-using-transportable-databases)
1. [Stop instances](#stop-instances)
1. [Cancel pending modifications](#cancel-pending-modifications)
1. [Troubleshooting](#troubleshooting)
1. [ERROR: extension must be loaded via shared\_preload\_libraries](#error-extension-must-be-loaded-via-shared_preload_libraries)
1. [ERROR: must be superuser to alter _X_ roles or change _X_ attribute](#error-must-be-superuser-to-alter-x-roles-or-change-x-attribute)
@@ -736,6 +737,50 @@ behind required maintenance updates.
One can still stop and start DB instances on a schedule via Step Functions.
### Cancel pending modifications
Refer [How do I cancel pending maintenance in Amazon RDS for PostgreSQL?].
<details>
<summary>Cancel maintenance actions</summary>
Explicitly issue a new pending maintenance action with `opt-in-type` set to `undo-opt-in`.
```sh
# FIXME: check
$ aws rds describe-pending-maintenance-actions --resource-identifier 'some-db' \
--query 'PendingMaintenanceActions[]' --output 'yaml'
- ResourceIdentifier: arn:aws:rds:ap-southeast-2:123456789:db:testsnapshot,
PendingMaintenanceActionDetails:
- Action: system-update
OptInStatus: next-maintenance
CurrentApplyDate: 2024-07-10T12:51:00+00:00
Description: New Operating System update is available
$ aws rds apply-pending-maintenance-action --resource-identifier 'some-db' \
--apply-action 'system-update' --opt-in-type 'undo-opt-in' \
--query 'PendingMaintenanceActions[]' --output 'yaml'
- {}
```
</details>
<details>
<summary>Cancel instance class change</summary>
Explicitly issue a new _immediate_ modification with the current instance settings.
```sh
$ aws rds describe-db-instances --db-instance-identifier 'some-db' \
--query 'DBInstances[*].PendingModifiedValues' --output 'yaml'
- DBInstanceClass: db.t3.medium
$ aws rds modify-db-instance --db-instance-identifier 'some-db' \
--db-instance-class 'db.t3.small' --apply-immediately \
--query 'DBInstances[*].PendingModifiedValues' --output 'yaml'
- {}
```
</details>
## Troubleshooting
### ERROR: extension must be loaded via shared_preload_libraries
@@ -877,6 +922,7 @@ or write workloads and exceeds the instance type quotas.
[working with db instance read replicas]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
[working with parameter groups]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html
[working with parameters on your rds for postgresql db instance]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.PostgreSQL.CommonDBATasks.Parameters.html
[How do I cancel pending maintenance in Amazon RDS for PostgreSQL?]: https://repost.aws/knowledge-center/rds-postgresql-cancel-maintenance
<!-- Others -->
[AWS RDS Max Connections Limit As Per Instance Type]: https://sysadminxpert.com/aws-rds-max-connections-limit/