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SOLR-6685: ConcurrentModificationException in Overseer Status API 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1636875 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Shalin Shekhar Mangar 2014-11-05 14:22:43 +00:00
parent 5567f629fb
commit ba0c5980fe
2 changed files with 11 additions and 18 deletions
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2
solr/CHANGES.txt
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@ -267,6 +267,8 @@ Bug Fixes
* SOLR-2927: Solr does not unregister all mbeans upon exception in constructor
causing memory leaks. (tom liu, Sharath Babu, Cyrille Roy, shalin)
* SOLR-6685: ConcurrentModificationException in Overseer Status API. (shalin)
Optimizations
----------------------

27
solr/core/src/java/org/apache/solr/cloud/Overseer.java
View File

@ -40,6 +40,7 @@ import java.util.Map;
import java.util.Map.Entry;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
@ -1962,7 +1963,7 @@ public class Overseer implements Closeable {
public static class Stats {
static final int MAX_STORED_FAILURES = 10;
final Map<String, Stat> stats = Collections.synchronizedMap(new HashMap<String, Stat>());
final Map<String, Stat> stats = new ConcurrentHashMap<>();
public Map<String, Stat> getStats() {
return stats;
@ -1980,19 +1981,16 @@ public class Overseer implements Closeable {
public void success(String operation) {
String op = operation.toLowerCase(Locale.ROOT);
synchronized (stats) {
Stat stat = stats.get(op);
if (stat == null) {
stat = new Stat();
stats.put(op, stat);
}
stat.success.incrementAndGet();
Stat stat = stats.get(op);
if (stat == null) {
stat = new Stat();
stats.put(op, stat);
}
stat.success.incrementAndGet();
}
public void error(String operation) {
String op = operation.toLowerCase(Locale.ROOT);
synchronized (stats) {
Stat stat = stats.get(op);
if (stat == null) {
stat = new Stat();
@ -2000,26 +1998,20 @@ public class Overseer implements Closeable {
}
stat.errors.incrementAndGet();
}
}
public TimerContext time(String operation) {
String op = operation.toLowerCase(Locale.ROOT);
Stat stat;
synchronized (stats) {
stat = stats.get(op);
Stat stat = stats.get(op);
if (stat == null) {
stat = new Stat();
stats.put(op, stat);
}
}
return stat.requestTime.time();
}
public void storeFailureDetails(String operation, ZkNodeProps request, SolrResponse resp) {
String op = operation.toLowerCase(Locale.ROOT);
Stat stat ;
synchronized (stats) {
stat = stats.get(op);
Stat stat = stats.get(op);
if (stat == null) {
stat = new Stat();
stats.put(op, stat);
@ -2032,7 +2024,6 @@ public class Overseer implements Closeable {
failedOps.addLast(new FailedOp(request, resp));
}
}
}
public List<FailedOp> getFailureDetails(String operation) {
Stat stat = stats.get(operation.toLowerCase(Locale.ROOT));