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描述

此表包含发送到 ZooKeeper 服务器的请求参数及其响应信息。 对于请求,只填充包含请求参数的列,其余列使用默认值 (0NULL) 填充。收到响应后,响应中的数据会补充到其他列中。

示例

Query
SELECT * FROM system.zookeeper_log WHERE (session_id = '106662742089334927') AND (xid = '10858') FORMAT Vertical;
Response
Row 1:
──────
hostname:         clickhouse.eu-central1.internal
type:             Request
event_date:       2021-08-09
event_time:       2021-08-09 21:38:30.291792
address:          ::
port:             2181
session_id:       106662742089334927
xid:              10858
has_watch:        1
op_num:           List
path:             /clickhouse/task_queue/ddl
data:
is_ephemeral:     0
is_sequential:    0
version:          ᴺᵁᴸᴸ
requests_size:    0
request_idx:      0
zxid:             0
error:            ᴺᵁᴸᴸ
watch_type:       ᴺᵁᴸᴸ
watch_state:      ᴺᵁᴸᴸ
path_created:
stat_czxid:       0
stat_mzxid:       0
stat_pzxid:       0
stat_version:     0
stat_cversion:    0
stat_dataLength:  0
stat_numChildren: 0
children:         []

Row 2:
──────
type:             Response
event_date:       2021-08-09
event_time:       2021-08-09 21:38:30.292086
address:          ::
port:             2181
session_id:       106662742089334927
xid:              10858
has_watch:        1
op_num:           List
path:             /clickhouse/task_queue/ddl
data:
is_ephemeral:     0
is_sequential:    0
version:          ᴺᵁᴸᴸ
requests_size:    0
request_idx:      0
zxid:             16926267
error:            ZOK
watch_type:       ᴺᵁᴸᴸ
watch_state:      ᴺᵁᴸᴸ
path_created:
stat_czxid:       16925469
stat_mzxid:       16925469
stat_pzxid:       16926179
stat_version:     0
stat_cversion:    7
stat_dataLength:  0
stat_numChildren: 7
children:         ['query-0000000006','query-0000000005','query-0000000004','query-0000000003','query-0000000002','query-0000000001','query-0000000000']

另请参见

最后修改于 2026年6月10日