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

             Summary: 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: Improvement
            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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