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If an unassign is unable to communicate with its target server, expire the server and then wait on a signal from ServerCrashProcedure before proceeding. The unassign has lock on the region so no one else can proceed till we complete. We prevent any subsequent assign from running until logs have been split for crashed server. In AssignProcedure, do not assign if table is DISABLING or DISABLED. M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.java Change remoteCallFailed so it returns boolean on whether implementor wants to stay suspended or not. M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/UnassignProcedure.java Doc. Also, if we are unable to talk to remote server, expire it and then wait on SCP to wake us up after it has processed logs for failed server. |
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|---|---|---|
| bin | ||
| conf | ||
| dev-support | ||
| hbase-annotations | ||
| hbase-archetypes | ||
| hbase-assembly | ||
| hbase-checkstyle | ||
| hbase-client | ||
| hbase-common | ||
| hbase-endpoint | ||
| hbase-examples | ||
| hbase-external-blockcache | ||
| hbase-hadoop-compat | ||
| hbase-hadoop2-compat | ||
| hbase-it | ||
| hbase-metrics | ||
| hbase-metrics-api | ||
| hbase-native-client | ||
| hbase-prefix-tree | ||
| hbase-procedure | ||
| hbase-protocol | ||
| hbase-protocol-shaded | ||
| hbase-resource-bundle | ||
| hbase-rest | ||
| hbase-rsgroup | ||
| hbase-server | ||
| hbase-shaded | ||
| hbase-shell | ||
| hbase-spark | ||
| hbase-spark-it | ||
| hbase-testing-util | ||
| hbase-thrift | ||
| src | ||
| .gitattributes | ||
| .gitignore | ||
| .pylintrc | ||
| CHANGES.txt | ||
| LICENSE.txt | ||
| NOTICE.txt | ||
| README.txt | ||
| pom.xml | ||
README.txt
Apache HBase [1] is an open-source, distributed, versioned, column-oriented store modeled after Google' Bigtable: A Distributed Storage System for Structured Data by Chang et al.[2] Just as Bigtable leverages the distributed data storage provided by the Google File System, HBase provides Bigtable-like capabilities on top of Apache Hadoop [3]. To get started using HBase, the full documentation for this release can be found under the doc/ directory that accompanies this README. Using a browser, open the docs/index.html to view the project home page (or browse to [1]). The hbase 'book' at http://hbase.apache.org/book.html has a 'quick start' section and is where you should being your exploration of the hbase project. The latest HBase can be downloaded from an Apache Mirror [4]. The source code can be found at [5] The HBase issue tracker is at [6] Apache HBase is made available under the Apache License, version 2.0 [7] The HBase mailing lists and archives are listed here [8]. The HBase distribution includes cryptographic software. See the export control notice here [9]. 1. http://hbase.apache.org 2. http://research.google.com/archive/bigtable.html 3. http://hadoop.apache.org 4. http://www.apache.org/dyn/closer.cgi/hbase/ 5. https://hbase.apache.org/source-repository.html 6. https://hbase.apache.org/issue-tracking.html 7. http://hbase.apache.org/license.html 8. http://hbase.apache.org/mail-lists.html 9. https://hbase.apache.org/export_control.html