tidb-in-kubernetes: add offline pump document #1555
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junlan-zhang
added
area/tidb-in-k8s-v1.0
translation/from-docs-cn
weekface
reviewed
Oct 8, 2019
| @@ -126,3 +126,35 @@ The `pingcap/tidb-backup` helm chart helps restore a TiDB cluster using backup d | |||
| Incremental backup uses [TiDB Binlog](/dev/reference/tidb-binlog-overview.md) to collect binlog data from TiDB and provide real-time backup and replication to downstream platforms. | |||
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| For the detailed guide of maintaining TiDB Binlog in Kubernetes, refer to [TiDB Binlog](/dev/tidb-in-kubernetes/maintain/tidb-binlog.md). | |||
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| ### Decrease the capability of Pump | |||
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Use Scale down instead of Decrease the capability of?
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PTAL @yikeke |
weekface
reviewed
Oct 12, 2019
yikeke
reviewed
Oct 12, 2019
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| ### Scale Pump in | ||
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| To decrease the capability of Pump, make Pump nodes offline and then run the `helm upgrade` command to delete Pump pods. |
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Suggested change
| To decrease the capability of Pump, make Pump nodes offline and then run the `helm upgrade` command to delete Pump pods. | |
| To scale Pump in, you decrease the number of Pump nodes by taking the nodes offline one at a time and running the `helm upgrade` command to delete the corresponding Pump Pod. The steps are as follows: |
"Pod" needs to be capitalized. ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/
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| To decrease the capability of Pump, make Pump nodes offline and then run the `helm upgrade` command to delete Pump pods. | ||
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| 1. Make Pump nodes offline from the TiDB cluster |
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Suggested change
| 1. Make Pump nodes offline from the TiDB cluster | |
| 1. Make the Pump node offline from the TiDB cluster |
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| 1. Make Pump nodes offline from the TiDB cluster | ||
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| Suppose there are 3 Pump nodes, and you want to get the third node offline and modify `<ordinal-id>` to `2`, run the following command. `<version>` is the current version of TiDB. |
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Suggested change
| Suppose there are 3 Pump nodes, and you want to get the third node offline and modify `<ordinal-id>` to `2`, run the following command. `<version>` is the current version of TiDB. | |
| Suppose there are 3 Pump nodes, and you want to get the third node offline and modify `<ordinal-id>` to `2`, run the following command (`<version>` is the current version of TiDB). |
| kubectl logs -f -n <namespace> <release-name>-pump-<ordinal-id> | ||
| ``` | ||
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| 2. Delete Pump pods |
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Suggested change
| 2. Delete Pump pods | |
| 2. Delete the corresponding Pump Pod |
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| 2. Delete Pump pods | ||
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| Modify `binlog.pump.replicas` in the `values.yaml` file to `2` and then, run the following command to delete Pump pods. |
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Suggested change
| Modify `binlog.pump.replicas` in the `values.yaml` file to `2` and then, run the following command to delete Pump pods. | |
| Modify `binlog.pump.replicas` in the `values.yaml` file to `2` and then run the following command to delete the Pump Pod. |
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What is changed, added or deleted?
What is the related PR or file link(s)?
pingcap/docs-cn#1757
Which version does your change affect?
dev, v3.0