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Re: Data node crash
Posted by: Mikael Ronström
Date: August 28, 2020 05:32AM

Your data node hit the following assert found in line 19350
in storage/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp in 7.4.10.

ndbrequire(lcpId == SYSFILE->latestLCP_ID);

This happens as part of the checkpoint process. There are also trace
files that one can look at for more information on exactly what was
going on at the time of the crash.

I am not familiar with any specific bug appearing on this line,
but there has been a number of bugs fixed since 7.4.10 in this
area, so an upgrade to the latest 7.4 version or even to 8.0
is the usual solution.

Otherwise getting support from MySQL is the other option.

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