From ac8ccdf4778a492bb5e40faf14086b8a2fac017e Mon Sep 17 00:00:00 2001 From: Doug Meil Date: Fri, 10 Feb 2012 17:48:16 +0000 Subject: [PATCH] hbase-5378 book.xml - adding new section for coprocessors in Arch/RegionServer git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1242870 13f79535-47bb-0310-9956-ffa450edef68 --- src/docbkx/book.xml | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/src/docbkx/book.xml b/src/docbkx/book.xml index a4f3e6521cc..d04582b0750 100644 --- a/src/docbkx/book.xml +++ b/src/docbkx/book.xml @@ -861,7 +861,7 @@ System.out.println("md5 digest as string length: " + sbDigest.length); // ret Coprocessor Secondary Index - Coprocessors act like RDBMS triggers. These are currently on TRUNK. + Coprocessors act like RDBMS triggers. These were added in 0.92. For more information, see @@ -1722,6 +1722,12 @@ rs.close(); +
Coprocessors + Coprocessors were added in 0.92. There is a thorough Blog Overview of CoProcessors + posted. Documentation will eventually move to this book, but the blog is the most current information available at this time. + +
+
Block Cache
@@ -2247,8 +2253,8 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName( 5 --> Yes, because sum(4, 3, 2, 1) * 1.0 = 10. Also, 5 is less than the min-size. 4 --> Yes, because sum(3, 2, 1) * 1.0 = 6. Also, 4 is less than the min-size. 3 --> Yes, because sum(2, 1) * 1.0 = 3. Also, 3 is less than the min-size. - 2 --> No. Also, 2 is less than the min-size, the max-number of files to compact has been reached. - 1 --> No. Also, 1 is less than the min-size, the max-number of files to compact has been reached. + 2 --> No. Candidate because previous file was selected and 2 is less than the min-size, but the max-number of files to compact has been reached. + 1 --> No. Candidate because previous file was selected and 1 is less than the min-size, but max-number of files to compact has been reached.