From 51e8aa15f395dfe39ce5992a7d41b121e58d7477 Mon Sep 17 00:00:00 2001 From: hunanchenxingyu Date: Sat, 5 Jul 2014 13:05:27 +0800 Subject: [PATCH] =?UTF-8?q?=E7=BF=BB=E8=AF=91=E5=AE=8C=E6=88=90=20by=20hun?= =?UTF-8?q?anchenxingyu?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...find and kill misbehaving MySQL queries.md | 25 +++++++++---------- 1 file changed, 12 insertions(+), 13 deletions(-) rename {sources => translated}/tech/20140703 How to find and kill misbehaving MySQL queries.md (66%) diff --git a/sources/tech/20140703 How to find and kill misbehaving MySQL queries.md b/translated/tech/20140703 How to find and kill misbehaving MySQL queries.md similarity index 66% rename from sources/tech/20140703 How to find and kill misbehaving MySQL queries.md rename to translated/tech/20140703 How to find and kill misbehaving MySQL queries.md index 642fe3cad7..0d49954923 100644 --- a/sources/tech/20140703 How to find and kill misbehaving MySQL queries.md +++ b/translated/tech/20140703 How to find and kill misbehaving MySQL queries.md @@ -1,10 +1,8 @@ -hunanchenxingyu translating ... +怎样去查找并杀掉非法的MySQL查询 ================================================================================ -How to find and kill misbehaving MySQL queries -================================================================================ -Sometimes the complexity of a relational database system can be overwhelming. Fortunately, that complexity is an advantage, as with MySQL's tools for managing queries. In this tutorial, I will show you **how to find and kill any misbehaving MySQL queries**. +有时,相关数据库系统的复杂性可能被压倒.幸运地,这种复杂性是一种优势,与 MySQL工具一起管理查询. 在本教程中, 我将向你们展示 **怎样去查找并杀掉任何非法的MySQL查询**. -To view the currently-running queries, log in to the MySQL console and run the 'show processlist' command: +为了浏览当前正在运行的查询, 登陆到MySQL终端，然后运行‘show processlist’命令: mysql> show processlist; @@ -18,9 +16,10 @@ To view the currently-running queries, log in to the MySQL console and run the ' +--------+--------+-----------------+---------+---------+-------+-------+------------------+-----------+---------------+-----------+ 4 rows in set (0.03 sec) -The first column you should look at is 'Time', which is the number of seconds the process has been "doing the thing it's doing". A process whose command is 'Sleep' is waiting for a query to come in, so it's not consuming any resources. For any other process, however, a 'Time' of more than a few seconds indicates a problem. +首先 你应该查看'Time'项, 这里记录了进程执行 "doing the thing it's doing" 操作的秒数. ‘command’项处于‘Sleep’ +状态的进程正在等待查询, 因此,它并没有消耗任何资源. 对于其他任何进程而言，‘Time’超过一定的秒数表明出现问题. -In this case, the only query running is our 'show processlist' command. Let's see what it looks like if we have a poorly-written query running: +在这种情况下,只能通过运行‘show processlist’命令来查询.如果我们有一个糟糕的写查询，让我们来看看情况如何: mysql> show processlist; @@ -36,19 +35,19 @@ In this case, the only query running is our 'show processlist' command. Let's se +--------+--------+-----------------+-----------+---------+-------+--------------+----------------------------------+-----------+---------------+-----------+ 6 rows in set (0.00 sec) -Ah! Now we see there is a query that's been running for almost 30 seconds. If we don't want to let it run its course, we can kill it by passing its 'Id' to the kill command: +啊哈！现在我们看到这里的查询几乎运行了30s. 如果我们不想让它继续运行，可以使用它的'Id'去执行kill命令: mysql> kill 132033; Query OK, 0 rows affected (0.00 sec) mysql> -(Note that MySQL will always report 0 rows affected, because we're not altering any data.) +(注意 由于我们没有改变任何数据,MySQL总是报告0行被影响.) -Judicious use of the kill command can clean up a backlog of queries. Remember, however, that it's not a permanent solution - if those queries came from your application, you need to rewrite them, or you'll continue to see the same issue reappear. +明智的使用kill命令能够清除积压的查询.记住,但那不是一种永久的方法 - 如果这些查询来自你的应用,你需要去重写它们,或者将继续看到相同的问题. -### See Also ### +### 另请参阅 ### -MySQL's documentation on the different 'Command' values: +关于不同‘Command’的MySQL文档: - [https://dev.mysql.com/doc/refman/5.7/en/thread-commands.html][1] @@ -56,7 +55,7 @@ MySQL's documentation on the different 'Command' values: via: http://xmodulo.com/2014/07/find-kill-misbehaving-mysql-queries.html -译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID) +译者：[hunanchenxingyu](https://github.com/hunanchenxingyu) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出