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类型: integer
默认: 1024
最低限度: 100
最大: 102400
单元: B
上下文: postmaster
重新开始: true

指定跟踪每个活动会话当前执行命令所保留的字节数,它们被用于pg_stat_activity.query域。默认值是 1024。这个参数只能在服务器启动时被设置。

建议 [EN]

Sets the truncation threshold of queries in pg_stat_activity (and pg_stat_statements). Increase it if you have really long queries which are being cut off, but there is significant extra memory usage for keeping longer queries.