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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7492) add new online-snapshot properties to hbase-default.xml
Date Fri, 04 Jan 2013 04:02:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hsieh updated HBASE-7492:
----------------------------------

    Issue Type: Sub-task  (was: Improvement)
        Parent: HBASE-7290
    
> add new online-snapshot properties to hbase-default.xml
> -------------------------------------------------------
>
>                 Key: HBASE-7492
>                 URL: https://issues.apache.org/jira/browse/HBASE-7492
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>
> Suggested by jesse on the HBASE-6864 review.
> {code}
> 76	
>   /** Maximum number of concurrent snapshot region tasks that can run concurrently */
> 77	
>   private static final String CONCURENT_SNAPSHOT_TASKS_KEY = "hbase.snapshot.region.concurrentTasks";
> 78	
>   private static final int DEFAULT_CONCURRENT_SNAPSHOT_TASKS = 3;
> 79	
> 80	
>   /** Conf key for number of request threads to start snapshots on regionservers */
> 81	
>   public static final String SNAPSHOT_REQUEST_THREADS_KEY = "hbase.snapshot.region.pool.threads";
> 82	
>   /** # of threads for snapshotting regions on the rs. */
> 83	
>   public static final int SNAPSHOT_REQUEST_THREADS_DEFAULT = 10;
> 84	
> 85	
>   /** Conf key for max time to keep threads in snapshot request pool waiting */
> 86	
>   public static final String SNAPSHOT_TIMEOUT_MILLIS_KEY = "hbase.snapshot.region.timeout";
> 87	
>   /** Keep threads alive in request pool for max of 60 seconds */
> 88	
>   public static final long SNAPSHOT_TIMEOUT_MILLIS_DEFAULT = 60000;
> 89	
> 90	
>   /** Conf key for millis between checks to see if snapshot completed or if there are
errors*/
> 91	
>   public static final String SNAPSHOT_REQUEST_WAKE_MILLIS_KEY = "hbase.snapshot.region.wakefrequency";
> 92	
>   /** Default amount of time to check for errors while regions finish snapshotting */
> 93	
>   private static final long SNAPSHOT_REQUEST_WAKE_MILLIS_DEFAULT = 500;
> {code}
> nit: add these to hbase-default.xml?

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