The reason for large partitions is that the partition key is just the uuid of
the target node
More recent (I think 2.2) don't have this problem since they write hints to the
file system as per the commit log
Sadly the large partitions make things worse when you are hinting hence
presumably under stress
Sent from my iPhone
> On Sep 16, 2016, at 6:13 PM, Nicolas Douillet <nicolas.douil...@gmail.com>
> Hi Erza,
> Have you a dead node in your cluster?
> Because the coordinator stores a hint about dead replicas in the local
> system.hints when a node is dead or didn't respond to a write request.
>> Le sam. 17 sept. 2016 à 00:12, Ezra Stuetzel <ezra.stuet...@riskiq.net> a
>> écrit :
>> What would be the likely causes of large system hint partitions? Normally
>> large partition warnings are for user defined tables which they are writing
>> large partitions to. In this case, it appears C* is writing large partitions
>> to the system.hints table. Gossip is not backed up.
>> version: C* 2.2.7
>> WARN [MemtableFlushWriter:134] 2016-09-16 04:27:39,220
>> BigTableWriter.java:184 - Writing large partition
>> system/hints:7ce838aa-f30f-494a-8caa-d44d1440e48b (128181097 bytes)