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<p>Hi Dev Team,</p>
<p>I am using infinispan 8.2.4 standalone hotrod server and i am
facing "<b>java.lang.OutOfMemoryError: Java heap space</b>" issue
when putting or retrieving the data into cache.<br>
</p>
In below two ways i have loaded the data into local cache.<br>
<p><u><i><b>Case 1</b></i></u> : <b>(Data Loading is taking more
time, But there is no issue with </b><b>"</b><b>OutOfMemoryError:
Java heap space</b><b>"</b><b>)</b></p>
<p>In this case I am storing the index into a different dedicated
infinispan cache by using the below tag ,</p>
<p><font color="#000066"><i> <b><property
name="default.directory_provider">Infinispan</property></b></i></font></p>
<p>I have observed that it is taking much time to load the data into
cache , but in this case i am not facing <i>Java Out of memory
heap space</i> issue during data putting or retrieving.<br>
</p>
<i>Below is local cache configuration,</i><br>
<p><local-cache name="MERCHANT_STORE_DETAILS" start="EAGER"><br>
</p>
<locking acquire-timeout="30000"
concurrency-level="1000" striping="false"/><br>
<transaction mode="NONE"/><br>
<eviction strategy="NONE"/><br>
<file-store path="/MRSD/data" purge="false"
passivation="false" preload="true"/><br>
<indexing index="LOCAL"><br>
<property
name="default.indexmanager"><b>org.infinispan.query.indexmanager.InfinispanIndexManager</b></property><br>
<property
name="default.directory_provider"><b>Infinispan</b></property><br>
<property
name="default.metadata_cachename">MRSD-INDEX_META_DATA</property><br>
<property
name="default.data_cachename">MRSD-INDEX_DATA</property><br>
<property
name="default.locking_cachename">MRSD-INDEX_LOCKING</property><br>
</indexing><br>
</local-cache><br>
<local-cache name="MRSD-INDEX_META_DATA" start="EAGER"><br>
<indexing index="NONE"/><br>
<file-store path="/MRSD/index/indexMetadata"
shared="false" purge="false" passivation="false" preload="true"
fetch-state="true" read-only="false"/><br>
</local-cache><br>
<local-cache name="MRSD-INDEX_DATA" start="EAGER"><br>
<indexing index="NONE"/><br>
<file-store path="MRSD/index/indexData" shared="false"
purge="false" passivation="false" preload="true" fetch-state="true"
read-only="false"/><br>
</local-cache><br>
<local-cache name="MRSD-INDEX_LOCKING" start="EAGER"><br>
<indexing index="NONE"/><br>
<file-store path="MRSD/index/indexLocking"
shared="false" purge="false" passivation="false" preload="true"
fetch-state="true" read-only="false"/><br>
</local-cache><br>
<p><br>
<b>Time Taken To Load Data: </b>3 Min 13 Sec<b><br>
</b></p>
<p><b>Number of Records :</b> 45024 <br>
</p>
<p><br>
</p>
<p><i><b><u>Case 2</u> </b></i>: <b>(Data Loading is very quick,
But issue with </b><b>"</b><b>OutOfMemoryError: Java heap space</b><b>"</b><b>)</b></p>
<p>In this case I am storing the index into memory by using the
below tag ,</p>
<p><font color="#000066"><i><b><property
name="default.directory_provider">ram</property></b></i></font></p>
<p>I have observed that, data has loaded into cache with in some
seconds for same number of records that mentioned in <u>Case 1</u>,
<br>
</p>
<p>But in this case when i am trying the store the same number of
records(<b>45024</b>) multiple times and retrieving the data in
same duration , It is throwing <b>OutOfMemoryError: Java heap
space </b>in <i>infinispan-server-8.2.4.Final/standalone/configuration/server.log.</i><br>
</p>
<i>Below is local cache configuration,<br>
<br>
</i><local-cache name="MERCHANT_STORE_DETAILS" start="EAGER"><br>
<locking acquire-timeout="30000"
concurrency-level="1000" striping="false"/><br>
<transaction mode="NONE"/><br>
<eviction strategy="NONE"/><br>
<indexing index="LOCAL"><br>
<property
name="default.indexmanager">near-real-time</property><br>
<property
name="default.directory_provider">ram</property><br>
</indexing><br>
</local-cache><br>
<p><br>
<b>Time Taken To Load Data: </b>32 Sec<br>
</p>
<p><b>Number of Records :</b> 45024</p>
<br>
<u><b>Exception In Details<br>
<br>
</b></u>2017-01-09 06:38:31,777 ERROR [stderr]
(HotRod-externalServerHandler-1-88) Exception in thread
"HotRod-externalServerHandler-1-88" java.lang.OutOfMemoryError: Java
heap space<br>
2017-01-09 06:39:18,706 ERROR
[org.hibernate.search.exception.impl.LogErrorHandler] (Lucene Merge
Thread #7869 for index
org.infinispan.query.remote.impl.indexing.ProtobufValueWrapper)
HSEARCH000058: HSEARCH000118: Exception during index Merge
operation: org.apache.lucene.index.MergePolicy$MergeException:
java.lang.OutOfMemoryError: Java heap space<br>
at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)<br>
at
org.hibernate.search.backend.impl.lucene.overrides.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:42)<br>
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)<br>
Caused by: java.lang.OutOfMemoryError: Java heap space<br>
<br>
2017-01-09 06:41:23,919 ERROR [stderr]
(HotRod-externalServerHandler-1-88) at
org.antlr.runtime.Lexer.emit(Lexer.java:160)<br>
2017-01-09 06:36:54,872 ERROR
[org.jboss.as.controller.management-operation]
(DeploymentScanner-threads - 2) WFLYCTL0013: Operation
("read-children-resources") failed - address: ([]):
java.lang.OutOfMemoryError: Java heap space<br>
at java.util.HashMap.resize(HashMap.java:703)<br>
at java.util.HashMap.putVal(HashMap.java:628)<br>
at java.util.HashMap.put(HashMap.java:611)<br>
at
org.jboss.as.controller.OperationContextImpl$AuthorizationResponseImpl.addResourceResult(OperationContextImpl.java:2356)<br>
at
org.jboss.as.controller.OperationContextImpl$AuthorizationResponseImpl.access$700(OperationContextImpl.java:2328)<br>
at
org.jboss.as.controller.OperationContextImpl.getBasicAuthorizationResponse(OperationContextImpl.java:1764)<br>
at
org.jboss.as.controller.OperationContextImpl.authorize(OperationContextImpl.java:1659)<br>
at
org.jboss.as.controller.OperationContextImpl.authorize(OperationContextImpl.java:1618)<br>
at
org.jboss.as.controller.OperationContextImpl.getResourceRegistration(OperationContextImpl.java:567)<br>
at
org.jboss.as.controller.operations.global.ReadChildrenResourcesHandler.execute(ReadChildrenResourcesHandler.java:94)<br>
at
org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:890)<br>
at
org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:659)<br>
at
org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370)<br>
at
org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344)<br>
at
org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:392)<br>
at
org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:204)<br>
at
org.jboss.as.controller.ModelControllerImpl$3.execute(ModelControllerImpl.java:659)<br>
at
org.jboss.as.controller.ModelControllerImpl$3.execute(ModelControllerImpl.java:649)<br>
at
org.jboss.as.server.deployment.scanner.DefaultDeploymentOperations.getDeploymentsStatus(DefaultDeploymentOperations.java:76)<br>
at
org.jboss.as.server.deployment.scanner.FileSystemDeploymentService$ScanContext.<init>(FileSystemDeploymentService.java:1614)<br>
at
org.jboss.as.server.deployment.scanner.FileSystemDeploymentService$ScanContext.<init>(FileSystemDeploymentService.java:1563)<br>
at
org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.scan(FileSystemDeploymentService.java:568)<br>
at
org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.scan(FileSystemDeploymentService.java:489)<br>
at
org.jboss.as.server.deployment.scanner.FileSystemDeploymentService$DeploymentScanRunnable.run(FileSystemDeploymentService.java:250)<br>
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)<br>
at
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)<br>
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)<br>
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)<br>
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)<br>
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)<br>
at java.lang.Thread.run(Thread.java:745)<br>
at org.jboss.threads.JBossThread.run(JBossThread.java:320)<br>
<br>
<br>
2017-01-09 06:38:39,564 ERROR
[org.infinispan.interceptors.InvocationContextInterceptor]
(HotRod-externalServerHandler-1-107) ISPN000136: Error executing
command PutKeyValueCommand, writing keys
[[B0x4a1b313031323331..[29]]: java.lang.OutOfMemoryError: Java heap
space<br>
at
java.util.ResourceBundle.putBundleInCache(ResourceBundle.java:1694)<br>
at
java.util.ResourceBundle.findBundle(ResourceBundle.java:1471)<br>
at
java.util.ResourceBundle.findBundle(ResourceBundle.java:1419)<br>
at
java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1361)<br>
at
java.util.ResourceBundle.getBundle(ResourceBundle.java:890)<br>
at sun.util.resources.LocaleData$1.run(LocaleData.java:164)<br>
at sun.util.resources.LocaleData$1.run(LocaleData.java:160)<br>
at java.security.AccessController.doPrivileged(Native
Method)<br>
at
sun.util.resources.LocaleData.getBundle(LocaleData.java:160)<br>
at
sun.util.resources.LocaleData.getNumberFormatData(LocaleData.java:156)<br>
at
sun.util.locale.provider.LocaleResources.getNumberPatterns(LocaleResources.java:439)<br>
at
sun.util.locale.provider.NumberFormatProviderImpl.getInstance(NumberFormatProviderImpl.java:177)<br>
at
sun.util.locale.provider.NumberFormatProviderImpl.getNumberInstance(NumberFormatProviderImpl.java:149)<br>
at java.text.NumberFormat.getInstance(NumberFormat.java:875)<br>
at java.text.NumberFormat.getInstance(NumberFormat.java:861)<br>
at
java.text.NumberFormat.getNumberInstance(NumberFormat.java:458)<br>
at
org.infinispan.commons.util.Util.prettyPrintTime(Util.java:353)<br>
at
org.infinispan.util.concurrent.locks.impl.DefaultLockManager$KeyAwareExtendedLockPromise.lock(DefaultLockManager.java:238)<br>
at
org.infinispan.interceptors.locking.AbstractLockingInterceptor.lockAndRecord(AbstractLockingInterceptor.java:193)<br>
at
org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitNonTxDataWriteCommand(AbstractLockingInterceptor.java:98)<br>
at
org.infinispan.interceptors.locking.NonTransactionalLockingInterceptor.visitDataWriteCommand(NonTransactionalLockingInterceptor.java:41)<br>
at
org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitPutKeyValueCommand(AbstractLockingInterceptor.java:65)<br>
at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:78)<br>
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)<br>
at
org.infinispan.interceptors.CacheMgmtInterceptor.updateStoreStatistics(CacheMgmtInterceptor.java:191)<br>
at
org.infinispan.interceptors.CacheMgmtInterceptor.visitPutKeyValueCommand(CacheMgmtInterceptor.java:177)<br>
at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:78)<br>
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)<br>
at
org.infinispan.interceptors.compat.BaseTypeConverterInterceptor.visitPutKeyValueCommand(BaseTypeConverterInterceptor.java:84)<br>
at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:78)<br>
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:99)<br>
at
org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:114)<br>
<br>
<br>
Could any one please help me here to fix the "<b>OutOfMemoryError:
Java heap space</b>" issue for <u><b>Case 2.<br>
<br>
</b></u>Please let me know if you need more information on this.<br>
<br>
Thanks in advance.<br>
<u><b><br>
</b></u>
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