dlmarion commented on a change in pull request #1818:
URL: https://github.com/apache/accumulo/pull/1818#discussion_r556528385
##########
File path:
core/src/main/java/org/apache/accumulo/core/classloader/DefaultContextClassLoaderFactory.java
##########
@@ -59,18 +60,20 @@ public DefaultContextClassLoaderFactory(final
AccumuloConfiguration accConf) {
}
private static void startCleanupThread(final Supplier<Map<String,String>>
contextConfigSupplier) {
- new Timer(className + "-cleanup", true).scheduleAtFixedRate(new
TimerTask() {
- @Override
- public void run() {
- Map<String,String> contextConfigs = contextConfigSupplier.get();
- LOG.trace("{}-cleanup thread, properties: {}", className,
contextConfigs);
- int prefixlen =
Property.VFS_CONTEXT_CLASSPATH_PROPERTY.getKey().length();
- Set<String> contextsInUse = contextConfigs.keySet().stream()
- .map(k -> k.substring(prefixlen)).collect(Collectors.toSet());
- LOG.trace("{}-cleanup thread, contexts in use: {}", className,
contextsInUse);
- AccumuloVFSClassLoader.removeUnusedContexts(contextsInUse);
- }
- }, 60_000, 60_000);
+ final ConfigurationCopy cc = new
ConfigurationCopy(contextConfigSupplier.get());
+ String size = cc.get(Property.GENERAL_SIMPLETIMER_THREADPOOL_SIZE);
+ if (null == size || size.isEmpty()) {
+ cc.set(Property.GENERAL_SIMPLETIMER_THREADPOOL_SIZE,
+ Property.GENERAL_SIMPLETIMER_THREADPOOL_SIZE.getDefaultValue());
+ }
+ ThreadPools.createGeneralScheduledExecutorService(cc)
+ .scheduleWithFixedDelay(Threads.createNamedRunnable(className +
"-cleanup", () -> {
+ LOG.trace("{}-cleanup thread, properties: {}", className, cc);
+ Set<String> contextsInUse = cc
+
.getAllPropertiesWithPrefixStripped(Property.VFS_CONTEXT_CLASSPATH_PROPERTY).keySet();
Review comment:
The ContextClassLoaderFactory is initialized on server process start
(AbstractServer constructor). I don't believe that this property was ever
dynamic, it's not the table context classpath property which could change, it's
the property to load system jars from VFS.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
