[GitHub] [incubator-doris] xinyiZzz commented on a change in pull request #4878: [Doc] Running Profile document add HASH_JOIN_NODE, etc.

[GitBox <gi...@apache.org>]

xinyiZzz commented on a change in pull request #4878:
URL: https://github.com/apache/incubator-doris/pull/4878#discussion_r522924211



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File path: docs/zh-CN/administrator-guide/running-profile.md
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@@ -141,6 +145,33 @@ BE端收集的统计信息较多，下面列出了各个参数的对应含义：
   - HashProbe:  HashTable查询的次数
   - HashTravelLength:  HashTable查询时移动的步数
 
+#### `HASH_JOIN_NODE`
+  - ExecOption: 对右孩子构造HashTable的方式（同步or异步），Join中右孩子可能是表或子查询，左孩子同理
+  - BuildBuckets: HashTable中Buckets的个数
+  - BuildRows: HashTable的行数
+  - BuildTime: 构造HashTable的耗时
+  - LoadFactor: HashTable的负载因子（即非空Buckets的数量）
+  - ProbeRows: 遍历左孩子进行Hash Probe的行数
+  - ProbeTime: 遍历左孩子进行Hash Probe的耗时，不包括对左孩子RowBatch调用GetNext的耗时
+  - PushDownComputeTime: 谓词下推条件计算耗时
+  - PushDownTime: 谓词下推的总耗时，Join时对满足要求的右孩子，转为左孩子的in查询
+
+#### `CROSS_JOIN_NODE`
+  - ExecOption: 对右孩子构造RowBatchList的方式（同步or异步）
+  - BuildRows: RowBatchList的行数（即右孩子的行数）
+  - BuildTime: 构造RowBatchList的耗时
+  - LeftChildRows: 遍历左孩子进行Probe的行数
+  - LeftChildTime: 遍历左孩子进行Probe的耗时，不包括对左孩子RowBatch调用GetNext的耗时

Review comment:
       Thanks, I have modified




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