SHOW-LOAD-PROFILE
Name
SHOW LOAD PROFILE
Description
该语句是用来查看导入操作的Profile信息,该功能需要用户打开 Profile 设置,0.15 之前版本执行下面的设置:
SET is_report_success=true;
0.15 及之后的版本执行下面的设置:
SET [GLOBAL] enable_profile=true;
语法:
show load profile "/";
show load profile "/[queryId]"
这个命令会列出当前保存的所有导入 Profile。每行对应一个导入。其中 QueryId 列为导入作业的 ID。这个 ID 也可以通过 SHOW LOAD 语句查看拿到。我们可以选择我们想看的 Profile 对应的 QueryId,查看具体情况
Example
列出所有的 Load Profile
mysql> show load profile "/";
+---------+------+-----------+------+-----------+---------------------+---------------------+-----------+------------+
| QueryId | User | DefaultDb | SQL | QueryType | StartTime | EndTime | TotalTime | QueryState |
+---------+------+-----------+------+-----------+---------------------+---------------------+-----------+------------+
| 10441 | N/A | N/A | N/A | Load | 2021-04-10 22:15:37 | 2021-04-10 22:18:54 | 3m17s | N/A |
+---------+------+-----------+------+-----------+---------------------+---------------------+-----------+------------+
2 rows in set (0.00 sec)
查看有导入作业的子任务概况:
mysql> show load profile "/10441";
+-----------------------------------+------------+
| TaskId | ActiveTime |
+-----------------------------------+------------+
| 980014623046410a-88e260f0c43031f1 | 3m14s |
+-----------------------------------+------------+
查看指定子任务的 Instance 概况
mysql> show load profile "/10441/980014623046410a-88e260f0c43031f1";
+-----------------------------------+------------------+------------+
| Instances | Host | ActiveTime |
+-----------------------------------+------------------+------------+
| 980014623046410a-88e260f0c43031f2 | 10.81.85.89:9067 | 3m7s |
| 980014623046410a-88e260f0c43031f3 | 10.81.85.89:9067 | 3m6s |
| 980014623046410a-88e260f0c43031f4 | 10.81.85.89:9067 | 3m10s |
| 980014623046410a-88e260f0c43031f5 | 10.81.85.89:9067 | 3m14s |
+-----------------------------------+------------------+------------+
继续查看某一个具体的 Instance 上各个算子的详细 Profile
mysql> show load profile "/10441/980014623046410a-88e260f0c43031f1/980014623046410a-88e260f0c43031f5"\G
*************************** 1. row ***************************
Instance:
┌-----------------------------------------┐
│[-1: OlapTableSink] │
│(Active: 2m17s, non-child: 70.91) │
│ - Counters: │
│ - CloseWaitTime: 1m53s │
│ - ConvertBatchTime: 0ns │
│ - MaxAddBatchExecTime: 1m46s │
│ - NonBlockingSendTime: 3m11s │
│ - NumberBatchAdded: 782 │
│ - NumberNodeChannels: 1 │
│ - OpenTime: 743.822us │
│ - RowsFiltered: 0 │
│ - RowsRead: 1.599729M (1599729) │
│ - RowsReturned: 1.599729M (1599729)│
│ - SendDataTime: 11s761ms │
│ - TotalAddBatchExecTime: 1m46s │
│ - ValidateDataTime: 9s802ms │
└-----------------------------------------┘
│
┌-----------------------------------------------------┐
│[0: BROKER_SCAN_NODE] │
│(Active: 56s537ms, non-child: 29.06) │
│ - Counters: │
│ - BytesDecompressed: 0.00 │
│ - BytesRead: 5.77 GB │
│ - DecompressTime: 0ns │
│ - FileReadTime: 34s263ms │
│ - MaterializeTupleTime(*): 45s54ms │
│ - NumDiskAccess: 0 │
│ - PeakMemoryUsage: 33.03 MB │
│ - RowsRead: 1.599729M (1599729) │
│ - RowsReturned: 1.599729M (1599729) │
│ - RowsReturnedRate: 28.295K sec │
│ - TotalRawReadTime(*): 1m20s │
│ - TotalReadThroughput: 30.39858627319336 MB/sec│
│ - WaitScannerTime: 56s528ms │
└-----------------------------------------------------┘
Keywords
SHOW, LOAD, PROFILE