类型: | integer |
默认: | 1024 (1kB) |
最低限度: | 100 (100B) |
最大: | 102400 (100kB) |
单元: | B |
上下文: | postmaster |
重新开始: | true |
为每个活动会话指定存储当前执行命令的文本所保留的内存量,它们被用于pg_stat_activity.query域。 如果指定值时没有单位,则以字节为单位。默认值是 1024字节。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.