Re: MemtablePostFlusher pending

2013-10-24 Thread Kais Ahmed
Hello aaron, I hope you had a nice flight. Any information on how you are using cassandra, does the zero columns no row delete idea sound like something you are doing ? I do not know what I could do, but we use an old versions of phpcassa (0.8.a.2) that are not explictly compatible with

Re: MemtablePostFlusher pending

2013-10-23 Thread Kais Ahmed
Thanks robert, For info if it helps to fix the bug i'm starting the downgrade, i restart all the node and do a repair and there are a lot of error like this : EERROR [ValidationExecutor:2] 2013-10-23 08:39:27,558 Validator.java (line 242) Failed creating a merkle tree for [repair

Re: MemtablePostFlusher pending

2013-10-23 Thread Aaron Morton
On a plane and cannot check jira but… ERROR [FlushWriter:216] 2013-10-07 07:11:46,538 CassandraDaemon.java (line 186) Exception in thread Thread[FlushWriter:216,5,main] java.lang.AssertionError at org.apache.cassandra.io.sstable.SSTableWriter.rawAppend(SSTableWriter.java:198)

Re: MemtablePostFlusher pending

2013-10-22 Thread Kais Ahmed
Thanks Robert, you are right, I upgraded to 2.0.1 and don't fix the problem, 2 of 3 nodes raise the same error after 30 minutes. I will try to create a new cluster 1.2 and copy data, can you tell me please the best pratice to do this, do i have to use sstable2json / json2sstable or other method.

Re: MemtablePostFlusher pending

2013-10-22 Thread Robert Coli
On Mon, Oct 21, 2013 at 11:57 PM, Kais Ahmed k...@neteck-fr.com wrote: I will try to create a new cluster 1.2 and copy data, can you tell me please the best pratice to do this, do i have to use sstable2json / json2sstable or other method. Unfortunately to downgrade versions you are going to

Re: MemtablePostFlusher pending

2013-10-21 Thread Robert Coli
On Mon, Oct 21, 2013 at 2:17 AM, Kais Ahmed k...@neteck-fr.com wrote: We have recently run in production a new cluster C* 2.0.0 with 3 nodes RF 3. https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ What Version of Cassandra Should I Run in Production? If I were you I

Re: high level of MemtablePostFlusher pending events

2012-03-21 Thread Vitalii Tymchyshyn
To note: I still have the problem in before beta 1.1 custom build that seems to have the fix. I am going to upgrade to 1.1 beta and check if problem will go away and will file a bug if problem still exists. BTW: It would be great for cassandra to exit on any fatal errors, like assertion

high level of MemtablePostFlusher pending events

2012-03-13 Thread David Hawthorne
5 node cluster running 1.0.2, doing about 1300 reads and 1300 writes/sec into 3 column families in the same keyspace. 2 client machines, doing about the same amount of reads/writes, but one has an average response time in the 4-40ms range and the other in the 200-800ms range. Both running