Tag: restart

Restart your Android journey

When I took the Android course in college in 2017, I vowed that I would never deal with Android again in my life. Then I spent a week studying the teacher’s knowledge points in “The First Line of Code” and recorded the notes on CSDN. . Five years later, when I was looking for a […]

Is it possible to directly rm the dbf data file and restart the database in Oracle archive mode?

Author | JiekeXu Source | Public account JiekeXu DBA road (ID: JiekeXu_IT) If you need to reprint, please contact us for authorization | (Personal WeChat ID: JiekeXu_DBA) Hello everyone, I am JiekeXu. I am very happy to meet you again. Today I will let you know if it is possible to directly rm the dbf […]

Mysql exception: Lock wait timeout exceeded; solution to try restarting transaction

Problem phenomenon The interface response time is too long, and it takes dozens of seconds to return an error message. The error Lock wait timeout exceeded; try restarting transaction appears in the background log. <– java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2794) […]

android system restart analysis process

Today I encountered a system restart problem. My analysis was confusing at first, but the problem gradually became clear later. I will summarize it here. Premise To analyze the system restart problem, first we must be familiar with the android system startup process. The approximate process is: Start BootLoader: It can initialize hardware devices and […]

Implementation principle of golang smooth restart library overseer

The overseer mainly completes three functions: 1. Lossless closing of the connection, 2. Smooth restart of the connection, 3. Automatic restart of file changes. Let’s talk about it in turn: 1. Lossless closing of the connection Golang’s official net package does not support lossless closing of connections. When the main listening coroutine exits, it will […]

How to gracefully restart kubernetes Pods

I have been upgrading the service grid Istio recently. After the upgrade, a necessary process is to restart all the Pods on the data plane, that is, the business Pods, so that the sidecars of these Pods can be updated to the new version. Option 1 Because we have a large number of Pods in […]

“Simple” troubleshooting for the machine always restarting twice during pre-release deployment

Question The day before yesterday, students reported that magellan, the core application of the search business, was always restarted twice when deployed in the pre-release environment. Just after it was deployed and joint debugging started, it suddenly restarted again, which also led to people always complaining that the search environment was unstable. The first reaction […]

After adding a hard disk online in centos under Linux system, it does not restart. Online expansion of the linux system directory does not restart the system.

Centos7 adds a hard disk online without restarting the system CentOS 7 can add new disks online without restarting. The existing environment is basically offline servers and online virtual machines. Almost all of them support hot swapping and hot expansion, so it is particularly important to add new disks online, so that current services can […]