Mysql cluster restart errors


Version: Mysql 5.5.29 cluster 7.2.10

After some modifications of the config.ini, and a reload of the manager, when rolling restart the data nodes, the error happens. 

My case: I increased the IndexMemory and MaxNoOfConcurrentOperations, but the restart of the data node failed with error as below.

Time: Monday 22 April 2013 - 10:30:06
Status: Temporary error, restart node
Message: WatchDog terminate, internal error or massive overload on the machine running this node (Internal error, pr
ogramming error or missing error message, please report a bug)
Error: 6050
Error data: Allocating memory
Error object: /pb2/build/sb_0-7932439-1355951739.99/mysql-cluster-gpl-7.2.10/storage/ndb/src/kernel/vm/WatchDog.cpp
Program: ndbd
Pid: 9927
Version: mysql-5.5.29 ndb-7.2.10
Trace: /media/datadisk/mysql

Reason: The overload of memory usage.

Solution:
Decrease the number of parameter MaxNoOfConcurrentOperations back to 1000000. And keep the increased value of IndexMemory. 

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