weizhengte commented on code in PR #8859:
URL: https://github.com/apache/incubator-doris/pull/8859#discussion_r856874191
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fe/fe-core/src/main/java/org/apache/doris/common/Config.java:
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@@ -1629,6 +1629,11 @@ public class Config extends ConfigBase {
*/
@ConfField(mutable = true, masterOnly = true)
public static int cbo_max_statistics_job_num = 20;
+ /*
+ * the max unfinished statistics task number
+ */
+ @ConfField(mutable = true, masterOnly = true)
+ public static int cbo_max_statistics_task_num = 512;
Review Comment:
This may further control the number of statistics tasks, mainly for some
tables with many columns, which divide too many statistics tasks, which may
affect the performance.
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