榜单
服务器优惠
AI论文
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System check framework
System check framework API reference CheckMessage Builtin tags Core system checks Asynchronous support Backwards compatibility Caches Database MySQL and MariaDB Managing f... -
Backup Longhorn System
Longhorn System Backup Bundle Create Longhorn System Backup Prerequisite Configuration Volume Backup Policy Using Longhorn UI Using kubectl Command Delete Longhorn System B... -
system.zookeeper
system.zookeeper system.zookeeper The table does not exist if ZooKeeper is not configured. Allows reading data from the ZooKeeper cluster defined in the config.The query must ei... -
system.users
system.users See Also system.users Contains a list of user accounts configured at the server. Columns:- name (String ) — User name. id (UUID ) — User ID. storage (Stri... -
system.tables
system.tables system.tables Contains metadata of each table that the server knows about. Detached tables are not shown in system.tables . Temporary tables are visible in the... -
system.parts
system.parts system.parts Contains information about parts of MergeTree tables. Each row describes one data part. Columns: partition (String ) – The partition name. To lea... -
system.merges
system.merges system.merges Contains information about merges and part mutations currently in process for tables in the MergeTree family. Columns: database (String) — The na... -
system.licenses
system.licenses system.licenses Сontains licenses of third-party libraries that are located in the contrib directory of ClickHouse sources. Columns: library_name (String ) ... -
system.events
system.events system.events Contains information about the number of events that have occurred in the system. For example, in the table, you can find how many SELECT queries we... -
system.disks
system.disks system.disks Contains information about disks defined in the server configuration . Columns: name (String ) — Name of a disk in the server configuration. path ...