diff --git a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-data-migration/distributed-table-cluster.md b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-data-migration/distributed-table-cluster.md index 95e891f793..c3d1698caa 100644 --- a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-data-migration/distributed-table-cluster.md +++ b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-data-migration/distributed-table-cluster.md @@ -1,8 +1,11 @@ --- -title: "Distributed table to Cluster" +title: "Distributed table to ClickHouse® Cluster" linkTitle: "Distributed table to cluster" description: > - Distributed table to cluster + Shifting INSERTs to a standby cluster +keywords: + - clickhouse distributed table + - clickhouse distributed --- In order to shift INSERTS to a standby cluster (for example increase zone availability or disaster recovery) some ClickHouse® features can be used. diff --git a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-who-ate-my-memory.md b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-who-ate-my-memory.md index 4fa217ac57..31d75d70cb 100644 --- a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-who-ate-my-memory.md +++ b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-who-ate-my-memory.md @@ -1,9 +1,13 @@ --- -title: "Who ate my memory" -linkTitle: "Who ate my memory" +title: "Who ate my ClickHouse® memory?" +linkTitle: "Who ate my memory?" description: > - Who ate my memory + *"It was here a few minutes ago..."* +keywords: + - clickhouse memory + - clickhouse memory usage --- + ```sql SELECT *, formatReadableSize(value) FROM system.asynchronous_metrics diff --git a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-zookeeper/clickhouse-keeper.md b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-zookeeper/clickhouse-keeper.md index 6a76ae1ccf..c35a6037c2 100644 --- a/content/en/altinity-kb-setup-and-maintenance/altinity-kb-zookeeper/clickhouse-keeper.md +++ b/content/en/altinity-kb-setup-and-maintenance/altinity-kb-zookeeper/clickhouse-keeper.md @@ -1,13 +1,14 @@ --- -title: "clickhouse-keeper" -linkTitle: "clickhouse-keeper" +title: "Using clickhouse-keeper" +linkTitle: "Using clickhouse-keeper" description: > - clickhouse-keeper + Moving to the ClickHouse® alternative to Zookeeper +keywords: + - clickhouse keeper + - clickhouse-keeper --- -## clickhouse-keeper - -Since 2021 the development of built-in alternative for Zookeeper is happening, which goal is to address several design pitfalls, and get rid of extra dependency. +Since 2021 the development of built-in ClickHouse® alternative for Zookeeper is happening, whose goal is to address several design pitfalls, and get rid of extra dependency. See slides: https://presentations.clickhouse.com/meetup54/keeper.pdf and video https://youtu.be/IfgtdU1Mrm0?t=2682 @@ -15,21 +16,20 @@ See slides: https://presentations.clickhouse.com/meetup54/keeper.pdf and video Since version 23.3 we recommend using clickhouse-keeper for new installations. -Even better if you will use the latest version of clickhouse-keeper (currently it's 23.7), and it's not necessary to use the same version of clickhouse-keeper as ClickHouse® itself. +Even better if you will use the latest version of clickhouse-keeper (currently it's 23.7), and it's not necessary to use the same version of clickhouse-keeper as ClickHouse itself. -For existing systems that currently use Apache Zookeeper, you can consider upgrading to clickhouse-keeper especially if you will upgrade clickhouse also. +For existing systems that currently use Apache Zookeeper, you can consider upgrading to clickhouse-keeper especially if you will [upgrade ClickHouse](https://altinity.com/clickhouse-upgrade-overview/) also. But please remember that on very loaded systems the change can give no performance benefits or can sometimes lead to a worse performance. The development pace of keeper code is [still high](https://github.com/ClickHouse/ClickHouse/pulls?q=is%3Apr+keeper) so every new version should bring improvements / cover the issues, and stability/maturity grows from version to version, so -if you want to play with clickhouse-keeper in some environment - please use the most recent ClickHouse releases! And of course: share your feedback :) +if you want to play with clickhouse-keeper in some environment - please use [the most recent ClickHouse releases](https://altinity.com/altinity-stable/)! And of course: share your feedback :) -# How does it work +## How does clickhouse-keeper work? Official docs: https://clickhouse.com/docs/en/guides/sre/keeper/clickhouse-keeper/ - ClickHouse-keeper still need to be started additionally on few nodes (similar to 'normal' zookeeper) and speaks normal zookeeper protocol - needed to simplify A/B tests with real zookeeper. To test that you need to run 3 instances of clickhouse-server (which will mimic zookeeper) with an extra config like that: diff --git a/content/en/altinitykubernetesoperator/kubernetesinstallguide/minikubeonlinux.md b/content/en/altinitykubernetesoperator/kubernetesinstallguide/minikubeonlinux.md index c7684c1eb1..ad2121513f 100644 --- a/content/en/altinitykubernetesoperator/kubernetesinstallguide/minikubeonlinux.md +++ b/content/en/altinitykubernetesoperator/kubernetesinstallguide/minikubeonlinux.md @@ -1,4 +1,5 @@ --- type: redirect target: https://docs.altinity.com/altinitykubernetesoperator/kubernetesinstallguide/minikubeonlinux/ +alias: altinitykubernetesoperator/kubernetesinstallguide ---