hbase-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From st...@apache.org
Subject hbase git commit: HBASE-15351 Fix description of hbase.bucketcache.size in hbase-default.xml
Date Fri, 26 Feb 2016 21:54:06 GMT
Repository: hbase
Updated Branches:
  refs/heads/branch-1 e0d7e0eb3 -> 46ffa8598

HBASE-15351 Fix description of hbase.bucketcache.size in hbase-default.xml

Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/46ffa859
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/46ffa859
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/46ffa859

Branch: refs/heads/branch-1
Commit: 46ffa85982c0d56a1d3ea98f322bf4786dd50ef3
Parents: e0d7e0e
Author: stack <stack@apache.org>
Authored: Fri Feb 26 13:49:26 2016 -0800
Committer: stack <stack@apache.org>
Committed: Fri Feb 26 13:53:59 2016 -0800

 .../src/main/resources/hbase-default.xml        | 36 +++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/hbase-common/src/main/resources/hbase-default.xml b/hbase-common/src/main/resources/hbase-default.xml
index ca104cd..94f1e6d 100644
--- a/hbase-common/src/main/resources/hbase-default.xml
+++ b/hbase-common/src/main/resources/hbase-default.xml
@@ -780,6 +780,40 @@ possible configurations would overwhelm and obscure the important.
           block is written out and a new block is started.</description>
+    <name>hbase.bucketcache.ioengine</name>
+    <value></value>
+    <description>Where to store the contents of the bucketcache. One of: heap,
+    offheap, or file. If a file, set it to file:PATH_TO_FILE. See
+    http://hbase.apache.org/book.html#offheap.blockcache for more information.
+    </description>
+  </property>
+  <property>
+    <name>hbase.bucketcache.combinedcache.enabled</name>
+    <value>true</value>
+    <description>Whether or not the bucketcache is used in league with the LRU
+    on-heap block cache. In this mode, indices and blooms are kept in the LRU
+    blockcache and the data blocks are kept in the bucketcache.</description>
+  </property>
+  <property>
+    <name>hbase.bucketcache.size</name>
+    <value></value>
+    <description>A float that EITHER represents a percentage of total heap memory
+    size to give to the cache (if &lt; 1.0) OR, it is the total capacity in
+    megabytes of BucketCache. Default: 0.0</description>
+  </property>
+  <property>
+    <name>hbase.bucketcache.sizes</name>
+    <value></value>
+    <description>A comma-separated list of sizes for buckets for the bucketcache.
+    Can be multiple sizes. List block sizes in order from smallest to largest.
+    The sizes you use will depend on your data access patterns.
+    Must be a multiple of 1024 else you will run into
+    'java.io.IOException: Invalid HFile block magic' when you go to read from cache.
+    If you specify no values here, then you pick up the default bucketsizes set
+    in code (See BucketAllocator#DEFAULT_BUCKET_SIZES). 
+  </description>
+  </property>
+  <property>
       <description>The HFile format version to use for new files.
@@ -805,7 +839,7 @@ possible configurations would overwhelm and obscure the important.
       <description>Whether an HFile block should be added to the block cache when the
-          block is finished.</description>
+        block is finished.</description>

View raw message