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From:Doug Phillips Date:November 1 2009 2:04pm
Subject:REDO Logs Overloaded
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Hi all,

I'm trying to set up a cluster and getting the 410 REDO logs overloaded message.  I've
tried various things, and seems like I'm not getting anywhere.

I'm trying to load in a dump of approx. 2 GB of data to a cluster with disk storage.

I've scoured the lists and the available information on the internet, and I'm sure I'm
missing something here.  My restore only gets ~200 lines before it dumps out with the
error.

I'm getting panicked here because I have a drop-dead date of mid next week to get this
loaded up.

The configuration is as follows:
NDB 7.0.8a

2 data nodes, 2 sql nodes running on the same machines
6 GB of RAM on the servers.

config.ini is as follows:
[ndbd default]
NoOfReplicas=2    # Number of replicas
DataMemory=4096M  # How much memory to allocate for data storage
IndexMemory=1024M # How much memory to allocate for index storage
MaxNoOfConcurrentTransactions   = 4096    
MaxNoOfConcurrentOperations     = 32768   
MaxNoOfLocalOperations          = 36044   
MaxNoOfTables                   = 20320  
MaxNoOfOrderedIndexes           = 40000  
MaxNoOfUniqueHashIndexes        = 28000  
MaxNoOfAttributes               = 80000  
MaxNoOfTriggers                 = 200000 
TimeBetweenLocalCheckpoints=6
NoOfFragmentLogFiles=384
RedoBuffer=256M
DiskCheckpointSpeed=256M
NoOfDiskPagesToDiskAfterRestartTUP=180

Thanks in advance for your assistance.
-Doug
Thread
REDO Logs OverloadedDoug Phillips1 Nov
Re: REDO Logs OverloadedAndrew Hutchings1 Nov