1. Environment Official website: https://jmeter.apache.org/ Download and extract: http://mirror.bit.edu.cn/apache//jmeter/binaries/apache-jmeter-5.2.1.zip
JDK environment: http://mirror.cnop.net/jdk/windows/jdk-8u144-windows-x64.exe …
Puppet: Open-source system configuration and management tool. With virtualization and cloud computing growth, automated cluster management is critical for data centers. Puppet manages large-scale clusters…
Issue 1. Inconsistent Mesos Leader Election 鈥?Use the following command to check the logs inside the mesos-master container and see which server it identifies as the Mesos leader.
Different servers may elect different leaders!!
The root cause of this issue is currently unknown; it is suspected that time discrepancies between different machines might be …
1. Preparatory Work:
Environment (using mesos/marathon latest version 1.5.x as of March 3, 2018 as an example):
centos7.x
mesos1.5.x
marathon1.5.x
jdk 1.8.x
192.168.0.206 mesos (master+slave)+marathon+zookeeper
192.168.0.207 mesos …
The following uses a shell script as an example to illustrate:
Create a new shell script schedule -> Execution parameters -> Fill in the relevant parameters (separate multiple values with an English ",") -> Click Save:
Click "GLUE", the script is as follows ($1 is the first parameter, $2 is the second):
#!/bin/bash
echo "xxl-job: hello shell"
ec …
Heartbeat detection is normal, but manual execution reports the following error:
msg: java.lang.RuntimeException: Client-error: No route to host
…
/data/XXL-JOB/16_1498189158000.sh
(No such file or directory)
Cause: Possible firewall blocking or network issues causing the host …
1. Download the latest installation package:
cd /home
wget http://mirror.cnop.net/apache/zookeeper/zookeeper-3.4.10.tar.gz
tar zxvf zookeeper-3.4.10.tar.gz && mv zookeeper-3.4.10 zookeeper && cd zookeeper/conf && cp zoo …
Many people have discussed Mesos, but I never fully understood what problems it actually solves or what its use cases are. Zhou Weitao (one of the early adopters of Docker, Mesos, and related technologies in China) describes it in one sentence: Mesos can manage CPU, memory, and other resources on each machine, allowing you to…
Specific Symptoms: The container time and system time are out of sync. When accessing the container and checking the timezone, it shows “Etc/UTC ”. The log throws the following error: java.sql.SQLException: ORA-00604: 递归 SQL 级别 1 出现 ORA-01882: at oracle.jdbc.driver.T4CTTIoer.processEr …
Recently while testing datax to sync MySQL, an error occurred on the second execution. The error message is as follows:
The reason is: "writeMode": "update" , by default if not specified it won’t insert, so running it again will cause an error.
After modification, it looks like this:
…
