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java Programming Glossary: poolsHow many hardware details can a Java Applet Discover? http://stackoverflow.com/questions/1011063/how-many-hardware-details-can-a-java-applet-discover name of the memory manager. getMemoryPoolNames the memory pools that this gc manages. getThreadMXBean returns the ThreadMXBean..
http://stackoverflow.com/questions/10392255/permgen-space-error-in-tomcat definitions definitions only no instantiations and string pools that have been interned. From experience the PermGen space issues..
How to force re-use of connections in jdbc pool? http://stackoverflow.com/questions/12609947/how-to-force-re-use-of-connections-in-jdbc-pool directly it is intended for use with connection pools provided by Application Servers or to be wrapped into general..
Low latency audio api for Android? http://stackoverflow.com/questions/1448630/low-latency-audio-api-for-android with multiple samples loaded and I've tried multiple sound pools each managing a single sample. I'm preloading everything so..
How to get the ThreadPoolExecutor to increase threads to max before queueing? http://stackoverflow.com/questions/19528304/how-to-get-the-threadpoolexecutor-to-increase-threads-to-max-before-queueing ThreadPoolExecutor which backs the ExecutorService thread pools so many of us use. To quote from the Javadocs If there are more..
http://stackoverflow.com/questions/2117072/java-thread-creation-overhead spawned threads. This mechanism breaks when using thread pools since the worker threads are generally not spawned from the..
Java heap terminology: young, old and permanent generations? http://stackoverflow.com/questions/2129044/java-heap-terminology-young-old-and-permanent-generations guide on JConsole For the HotSpot Java VM the memory pools for serial garbage collection are the following. Eden Space..
Android — How to access data in an ASP.NET database via app? http://stackoverflow.com/questions/3311681/android-how-to-access-data-in-an-asp-net-database-via-app server already set up with a website unlimited application pools and I want to be able to access a database on that server via..
Does Java have support for multicore processors/parallel processing? http://stackoverflow.com/questions/3330430/does-java-have-support-for-multicore-processors-parallel-processing defining custom thread like subsystems including thread pools asynchronous IO and lightweight task frameworks. Queues The..
http://stackoverflow.com/questions/3869026/how-to-clean-up-threadlocals should not normally be a major issue with bounded thread pools since any thread locals are likely to get overwritten eventually..
Can you get basic GC stats in Java? http://stackoverflow.com/questions/466878/can-you-get-basic-gc-stats-in-java where there is a suspicion that misconfigured memory pools are causing excessive GC frequency and length it occurs to me..
A better way to run code for a period of time http://stackoverflow.com/questions/4950966/a-better-way-to-run-code-for-a-period-of-time or misses four invocations completely. Scheduled thread pools address this limitation by letting you provide multiple threads..
How often should Statement and ResultSet objects be closed in JDBC? http://stackoverflow.com/questions/5602772/how-often-should-statement-and-resultset-objects-be-closed-in-jdbc is the most expensive task but there the connection pools are invented for. If you want to reuse the same statement to..
http://stackoverflow.com/questions/6603051/how-can-i-shutdown-spring-task-executor-scheduler-pools-before-all-other-beans-i can I shutdown Spring task executor scheduler pools before all other beans in the web app are destroyed In a Spring.. on other autowired beans. I have configured two thread pools in XML bean id taskExecutor class org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor.. problem is that I cannot get a clean shutdown of the task pools to work. The tasks operate on the database and on the file system...
Java Memory explained (SUN JVM) http://stackoverflow.com/questions/858250/java-memory-explained-sun-jvm memory is and the significance of the different memory pools. If it would somehow relate to the jconsole view it would be..
newCachedThreadPool() V/s newFixedThreadPool http://stackoverflow.com/questions/949355/newcachedthreadpool-v-s-newfixedthreadpool constructed threads when they are available. These pools will typically improve the performance of programs that execute.. for long enough will not consume any resources. Note that pools with similar properties but different details for example timeout.. . As for the CachedThreadPool the docs say that These pools will typically improve the performance of programs that execute..
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