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Hunting the core

Core files under Linux

When dealing with MySQL crashes it is very useful to get the core files for further debugging. I have collected all the informations I found about it and wrote it together here:

Find core files

# find $HOME -name "core*"

# file core
core:      ELF 32-bit LSB core file Intel 80386, version 1 (SYSV), SVR4-style

See who caused the core file:


Reading other processes memory

As you probably have experienced yet MySQL does not always provide all internal information as you might want to have them and as you are used to have from other RDBMS.

MySQL plans to improve this implementing the/a performance schema and its probably already partly done in MySQL 5.4. But who knows when this will be finished and what it contains at all...

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