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HDFS-3325. When configuring 'dfs.namenode.safemode.threshold-pct' to a value greater or equal to 1 there is mismatch in the UI report (Contributed by J.Andreina) 

(cherry picked from commit c6c396fcd6)
This commit is contained in:
Vinayakumar B 2015-03-24 12:12:01 +05:30
parent e7702ac6a1
commit c3e2c20c99
4 changed files with 7 additions and 3 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -25,6 +25,10 @@ Release 2.8.0 - UNRELEASED
HDFS-7867. Update action param from "start" to "prepare" in rolling upgrade
javadoc (J.Andreina via vinayakumarb)
HDFS-3325. When configuring "dfs.namenode.safemode.threshold-pct" to a value
greater or equal to 1 there is mismatch in the UI report
(J.Andreina via vinayakumarb)
Release 2.7.0 - UNRELEASED
INCOMPATIBLE CHANGES

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -5417,7 +5417,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
msg += String.format(
"The reported blocks %d needs additional %d"
+ " blocks to reach the threshold %.4f of total blocks %d.%n",
blockSafe, (blockThreshold - blockSafe) + 1, threshold, blockTotal);
blockSafe, (blockThreshold - blockSafe), threshold, blockTotal);
thresholdsMet = false;
} else {
msg += String.format("The reported blocks %d has reached the threshold"

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeMode.java
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@ -198,7 +198,7 @@ public class TestSafeMode {
String status = nn.getNamesystem().getSafemode();
assertEquals("Safe mode is ON. The reported blocks 0 needs additional " +
"15 blocks to reach the threshold 0.9990 of total blocks 15." + NEWLINE +
"14 blocks to reach the threshold 0.9990 of total blocks 15." + NEWLINE +
"The number of live datanodes 0 has reached the minimum number 0. " +
"Safe mode will be turned off automatically once the thresholds " +
"have been reached.", status);

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
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@ -498,7 +498,7 @@ public class TestHASafeMode {
+ nodeThresh + ". In safe mode extension. "
+ "Safe mode will be turned off automatically"));
} else {
int additional = total - safe;
int additional = (int) (total * 0.9990) - safe;
assertTrue("Bad safemode status: '" + status + "'",
status.startsWith(
"Safe mode is ON. " +