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HADOOP-9822. create constant MAX_CAPACITY in RetryCache rather than hard-coding 16 in RetryCache constructor. Contributed by Tsuyoshi Ozawa.

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This commit is contained in:
Haohui Mai 2015-11-23 13:22:20 -08:00
parent d36b6e045f
commit 5f269a0ad8
2 changed files with 5 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -1358,6 +1358,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-11149. TestZKFailoverController times out. (Steve Loughran
via ozawa)
HADOOP-9822. Create constant MAX_CAPACITY in RetryCache rather than
hard-coding 16 in RetryCache constructor. (Tsuyoshi Ozawa via wheat9)
OPTIMIZATIONS
HADOOP-12051. ProtobufRpcEngine.invoke() should use Exception.toString()

3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RetryCache.java
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@ -46,6 +46,7 @@
public class RetryCache {
public static final Log LOG = LogFactory.getLog(RetryCache.class);
private final RetryCacheMetrics retryCacheMetrics;
private static final int MAX_CAPACITY = 16;
/**
* CacheEntry is tracked using unique client ID and callId of the RPC request
@ -194,7 +195,7 @@ public Object getPayload() {
*/
public RetryCache(String cacheName, double percentage, long expirationTime) {
int capacity = LightWeightGSet.computeCapacity(percentage, cacheName);
capacity = capacity > 16 ? capacity : 16;
capacity = capacity > MAX_CAPACITY ? capacity : MAX_CAPACITY;
this.set = new LightWeightCache<CacheEntry, CacheEntry>(capacity, capacity,
expirationTime, 0);
this.expirationTime = expirationTime;