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HDFS-10309 Balancer doesn't honor dfs.blocksize value defined with suffix k(kilo), m(mega), g(giga). Contributed by Amit Anand

This commit is contained in:
Tsz-Wo Nicholas Sze 2016-04-21 15:41:50 -07:00
parent 5245254a46
commit a96ea528cc
1 changed files with 13 additions and 4 deletions
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17
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
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@ -230,6 +230,15 @@ public class Balancer {
return v;
}
static long getLongBytes(Configuration conf, String key, long defaultValue) {
final long v = conf.getLongBytes(key, defaultValue);
LOG.info(key + " = " + v + " (default=" + defaultValue + ")");
if (v <= 0) {
throw new HadoopIllegalArgumentException(key + " = " + v + " <= " + 0);
}
return v;
}
static int getInt(Configuration conf, String key, int defaultValue) {
final int v = conf.getInt(key, defaultValue);
LOG.info(key + " = " + v + " (default=" + defaultValue + ")");
@ -261,10 +270,10 @@ public class Balancer {
DFSConfigKeys.DFS_DATANODE_BALANCE_MAX_NUM_CONCURRENT_MOVES_KEY,
DFSConfigKeys.DFS_DATANODE_BALANCE_MAX_NUM_CONCURRENT_MOVES_DEFAULT);
final long getBlocksSize = getLong(conf,
final long getBlocksSize = getLongBytes(conf,
DFSConfigKeys.DFS_BALANCER_GETBLOCKS_SIZE_KEY,
DFSConfigKeys.DFS_BALANCER_GETBLOCKS_SIZE_DEFAULT);
final long getBlocksMinBlockSize = getLong(conf,
final long getBlocksMinBlockSize = getLongBytes(conf,
DFSConfigKeys.DFS_BALANCER_GETBLOCKS_MIN_BLOCK_SIZE_KEY,
DFSConfigKeys.DFS_BALANCER_GETBLOCKS_MIN_BLOCK_SIZE_DEFAULT);
@ -279,10 +288,10 @@ public class Balancer {
this.sourceNodes = p.getSourceNodes();
this.runDuringUpgrade = p.getRunDuringUpgrade();
this.maxSizeToMove = getLong(conf,
this.maxSizeToMove = getLongBytes(conf,
DFSConfigKeys.DFS_BALANCER_MAX_SIZE_TO_MOVE_KEY,
DFSConfigKeys.DFS_BALANCER_MAX_SIZE_TO_MOVE_DEFAULT);
this.defaultBlockSize = getLong(conf,
this.defaultBlockSize = getLongBytes(conf,
DFSConfigKeys.DFS_BLOCK_SIZE_KEY,
DFSConfigKeys.DFS_BLOCK_SIZE_DEFAULT);
}