Re: About the heap

2013-03-18 Thread aaron morton
- From: Wei Zhu wz1...@yahoo.com To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:35:29 AM Subject: Re: About the heap Hi Dean, The index_interval is controlling the sampling of the SSTable to speed up the lookup of the keys in the SSTable. Here is the code: https

Re: About the heap

2013-03-14 Thread aaron morton
the ancestor. https://issues.apache.org/jira/browse/CASSANDRA-5342 -Wei - Original Message - From: Wei Zhu wz1...@yahoo.com To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:35:29 AM Subject: Re: About the heap Hi Dean, The index_interval is controlling

Re: About the heap

2013-03-14 Thread Alain RODRIGUEZ
To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:35:29 AM Subject: Re: About the heap Hi Dean, The index_interval is controlling the sampling of the SSTable to speed up the lookup of the keys in the SSTable. Here is the code: https://github.com/apache/cassandra/blob/trunk/src

Re: About the heap

2013-03-14 Thread Michael Theroux
. https://issues.apache.org/jira/browse/CASSANDRA-5342 -Wei - Original Message - From: Wei Zhu wz1...@yahoo.com To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:35:29 AM Subject: Re: About the heap Hi Dean, The index_interval is controlling the sampling

Re: About the heap

2013-03-13 Thread Hiller, Dean
Subject: About the heap Hi, I would like to know everything that is in the heap. We are here speaking of C*1.1.6 Theory : - Memtable (1024 MB) - Key Cache (100 MB) - Row Cache (disabled, and serialized with JNA activated anyway, so should be off-heap) - BloomFilters (about 1,03 GB - from

Re: About the heap

2013-03-13 Thread Alain RODRIGUEZ
10:11 AM To: user@cassandra.apache.orgmailto:user@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: About the heap Hi, I would like to know everything that is in the heap. We are here speaking of C*1.1.6 Theory : - Memtable (1024 MB) - Key Cache

Re: About the heap

2013-03-13 Thread Wei Zhu
the compaction. But those are never removed after the compaction is done. In our case, it takes about 1G of heap memory to store that. I am going to submit a JIRA for that. Here is the culprit: https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/sstable

Re: About the heap

2013-03-13 Thread Alain RODRIGUEZ
the heap Hi, I would like to know everything that is in the heap. We are here speaking of C*1.1.6 Theory : - Memtable (1024 MB) - Key Cache (100 MB) - Row Cache (disabled, and serialized with JNA activated anyway, so should be off-heap) - BloomFilters (about 1,03 GB - from cfstats, adding

Re: About the heap

2013-03-13 Thread Wei Zhu
- Original Message - From: Alain RODRIGUEZ arodr...@gmail.com To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:28:28 AM Subject: Re: About the heap called index_interval set to 128 I think this is for BloomFilters actually. 2013/3/13 Hiller, Dean dean.hil...@nrel.gov

Re: About the heap

2013-03-13 Thread Wei Zhu
Here is the JIRA I submitted regarding the ancestor. https://issues.apache.org/jira/browse/CASSANDRA-5342 -Wei - Original Message - From: Wei Zhu wz1...@yahoo.com To: user@cassandra.apache.org Sent: Wednesday, March 13, 2013 11:35:29 AM Subject: Re: About the heap Hi Dean