Fault case: Insufficient disk space may cause mysql problems. Case: mysql

Source: Internet
Author: User

Fault case: Insufficient disk space may cause mysql problems. Case: mysql

During work, due to the customer's disk space alarm, insufficient space caused the following possible mysql problems.

1. mysql process cannot start

2. mysql cannot be shut down normally. kill-9 is required.

3. mysql can be used up, but the user fails to connect. telnet port 3306 fails.

4. mysql can be connected, but most queries will be blocked, such as showprocesslist. However, an error will be reported when selecting * frominformation_schema.processlist: incorrect key filefor table 'SQL-5.5/47c6ab14-b805-4cd3-bbe0-b8a866927d5a/tmp/# SQL _344a_0.myi'; try to repair it

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