WebMay 12, 2024 · Even if ClickHouse uses sophisticated data compression algorithms, it is important for a ClickHouse DBA to keep an eye on occupied and free disk space. Let’s start with the used space in the database: SELECT database, table, partition, name part_name, active, bytes_on_disk FROM system.parts ORDER BY database, table, partition, name; WebThe partition ID must be specified in the PARTITION ID clause, in a single quotes. For example, ALTER TABLE visits DETACH PARTITION ID '202401'. In the ALTER …
yc managed-clickhouse user create Yandex Cloud
WebWritten by. Yandex Cloud. With Managed Service for ClickHouse, you can use one of the following mechanisms to manage replication and distribution of queries: ClickHouse … WebIf an ALIAS column is added with a table override, and a column with the same name is later added to the source MySQL table, the converted ALTER TABLE query in ClickHouse will fail and replication stops. It is currently possible to add overrides that reference nullable columns where not-nullable are required, such as in ORDER BY or PARTITION BY ... the little caravan company – optimiser
Sync ALTER TABLE ... DELETE on all replicas of a …
WebSep 22, 2024 · Telegram - ClickHouse Channel Slack ClickHouse Public Workspace - clickhousedb.slack.com Altinity Public Workspace - altinitydbworkspace.slack.com Education - Altinity ClickHouse Training Support - Altinity offers support for ClickHouse in all environments 47 WebDec 20, 2024 · On release 18.16.0, when applying ALTER TABLE ... ADD COLUMN on ReplicatedMergeTree table, ALTER completed on current replica, but other replicas coudn't download and apply ALTER action. On ALT... http://www.devdoc.net/database/ClickhouseDocs_19.4.1.3-docs/query_language/alter/ the little caravan company melbourne