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Posted to common-commits@hadoop.apache.org by ey...@apache.org on 2018/07/27 00:12:41 UTC
[18/50] hadoop git commit: HADOOP-15598. DataChecksum calculate
checksum is contented on hashtable synchronization. Contributed by Prasanth
Jayachandran.
HADOOP-15598. DataChecksum calculate checksum is contented on hashtable synchronization. Contributed by Prasanth Jayachandran.
(cherry picked from commit 0c7a578927032d5d1ef3469283d7d1fb7dee2a56)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/34f1dd03
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/34f1dd03
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/34f1dd03
Branch: refs/remotes/origin/branch-3.1
Commit: 34f1dd03ee0c31173eb3a0b88a5fad7796a30c24
Parents: 44beab0
Author: Wei-Chiu Chuang <we...@apache.org>
Authored: Mon Jul 16 11:32:45 2018 -0700
Committer: Wei-Chiu Chuang <we...@apache.org>
Committed: Mon Jul 16 11:33:43 2018 -0700
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.../src/main/java/org/apache/hadoop/util/NativeCrc32.java | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/34f1dd03/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCrc32.java
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diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCrc32.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCrc32.java
index 0669b0a..3142df2 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCrc32.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCrc32.java
@@ -28,12 +28,12 @@ import com.google.common.annotations.VisibleForTesting;
* natively.
*/
class NativeCrc32 {
-
+ private static final boolean isSparc = System.getProperty("os.arch").toLowerCase().startsWith("sparc");
/**
* Return true if the JNI-based native CRC extensions are available.
*/
public static boolean isAvailable() {
- if (System.getProperty("os.arch").toLowerCase().startsWith("sparc")) {
+ if (isSparc) {
return false;
} else {
return NativeCodeLoader.isNativeCodeLoaded();
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