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10 recommended articles about killing processes

巴扎黑
Release: 2017-06-15 13:28:24
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I wrote a python script before using selenium+phantomjs to crawl new posts. During the process of looping to pull pages, phantomjs always blocks, and using WebDriverWait to set the maximum waiting time is invalid. Replacing phantomjs with firefox has no improvement because this script will not be used for a long time, so a temporary method is adopted to open a new sub-thread to kill the phantomjs process at a fixed period, so that selenium will return after the block does not exceed this period. Of course, make some fine-tuning in the crawler script to prevent some URLs from being skipped. Scheduled execution tasks use the sched module. Many people compare it to crontab. The command to kill a specific process is copied as follows: The kill -9 pid command can unconditionally terminate the corresponding pid process. Get the process named phantomjs. The pidps command lists the process information. Grep filters the process information of the specified name. awk '{print $2}' extracts the second column of pid information. The final command is: kill -9 `ps -aux|grep

1. A brief analysis of python scheduled killing process

10 recommended articles about killing processes

## Introduction: This article The article mainly introduces the relevant information of in-depth analysis of python scheduled killing process. Friends who need it can refer to

2. In-depth analysis of python scheduled killing process

10 recommended articles about killing processes

Introduction: This article mainly introduces the relevant information of in-depth analysis of python scheduled killing process. Friends who need it can refer to it.

3. php code exec("kill $pid"$op,$returns) cannot kill the process under the linux virtual machine

Introduction: The php code exec("kill $pid",$op,$returns) cannot kill the process under the Linux virtual machine. As the title says, I wrote the php code exec("kill $pid" under Linux , $op, $returns), kill the process through pid. After execution, the return value is always "1", which means that the execution is unsuccessful, and the process ID is still there after execution. I have given the file that executes the kill call a maximum of

4. Oracle uses a stored procedure to kill the session to solve the lock table problem

10 recommended articles about killing processes

#Introduction: I believe everyone has encountered table locking. The method of unlocking must be known to everyone, but killing processes one by one is inevitably a bit low-level. When we use stored procedures to implement this function, it becomes

##5.

ORA-00031-Mark the session to be terminated and kill the process at the OS level

Introduction: When killing a process, ORA-00031 is reported - the session is marked for termination. However, when viewing the v$session view, the session still exists, but the status is changed to killed, and it is not actually killed. Drop

6.

It turns out to be it (Oracle.ManagedDataAccess.Client) Let’s talk about ORA-12516 fault resolution

Introduction : ORA-12516 errors have occurred frequently recently, and I am very annoyed. But every time we can't find the root cause, we can only stop monitoring, kill the process, or directly close the client program. Restate the fault

7.

pt-kill Introduction to commonly used killing process parameters_MySQL

Introduction: this article The article mainly introduces the commonly used killing process parameters of pt-kill. Friends who need it can refer to

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