此内容没有您所选择的语言版本。

9.3. Session/Query Metrics


Expand
Name
Property
Description
Comment
Session Count
sessionCount
Indicates the number of user connections currently active.
To ensure number of sessions are not restricted at peak times, check max-sessions-allowed (default 5000) is set accordingly and review sessions-expiration-timelimit.
Query Count
queryCount
Indicates the number of queries currently active.
 
Active Query Plan Count
ENGINE_STATISTIC.active-plans-count
Number of query plans currently being processed.
To ensure maximum throughput, see the performance tuning section on QueryEngine and threading.
Waiting Query Plan Count
ENGINE_STATISTIC.waiting-plans-count
Number of query plans currently waiting.
 
Max Waiting Query Plan Watermark
ENGINE_STATISTIC.max-waitplan-watermark
The maximum number of query plans that have been waiting at one time, since the last time the server started.
 
Long Running Queries
longRunningQueries
List current executing queries that have surpassed the query threshold ( query-threshold-in-seconds. ).
Setup alert to warn when one or more queries are consuming resources for an extended period of time. If running too long, an option is to cancel request or increase threshold.
Red Hat logoGithubredditYoutubeTwitter

学习

尝试、购买和销售

社区

关于红帽文档

通过我们的产品和服务,以及可以信赖的内容,帮助红帽用户创新并实现他们的目标。 了解我们当前的更新.

让开源更具包容性

红帽致力于替换我们的代码、文档和 Web 属性中存在问题的语言。欲了解更多详情,请参阅红帽博客.

關於紅帽

我们提供强化的解决方案,使企业能够更轻松地跨平台和环境(从核心数据中心到网络边缘)工作。

Theme

© 2026 Red Hat
返回顶部