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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
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
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
.
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
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
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
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
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
- 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
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
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