; hbase-u...@hadoop.apache.org
Subject: Re: heap memory allocation
On Thu, Apr 14, 2011 at 9:50 PM, 陈加俊 cjjvict...@gmail.com wrote:
How does heap memory allocated in regionserver ?
Metrics:
request=0.0, regions=1283, stores=2304, storefiles=1968,
storefileIndexSize=246, memstoreSize=791
/book.html#hbase_metrics
-Original Message-
From: saint@gmail.com [mailto:saint@gmail.com] On Behalf Of Stack
Sent: Friday, April 15, 2011 5:04 AM
To: user@hbase.apache.org
Cc: 陈加俊; hbase-u...@hadoop.apache.org
Subject: Re: heap memory allocation
On Thu, Apr 14, 2011 at 9:50 PM
-Original Message-
From: saint@gmail.com [mailto:saint@gmail.com] On Behalf Of Stack
Sent: Friday, April 15, 2011 5:04 AM
To: user@hbase.apache.org
Cc: 陈加俊; hbase-u...@hadoop.apache.org
Subject: Re: heap memory allocation
On Thu, Apr 14, 2011 at 9:50 PM, 陈加俊 cjjvict...@gmail.com wrote
On Fri, Apr 15, 2011 at 8:23 AM, Matt Corgan mcor...@hotpads.com wrote:
Some of our servers have 5.2gb hbase heaps with the standard 40% (2gb)
memstore and 20% (1gb) blockcache. I'm wondering where the indexes and
bloom filters get counted. Is it in that remaining 2gb, and are the bloom
J-D - yes, I think that increasing block size by 4x would cut the index size
by 4x, assuming 1 index entry per block. Random reads are not as important
for this table, and tend to cache well. I guess that on the flip-side,
scans might be faster. If I start to see problems, I guess my other
