>
> Dear all,
>
>
> We have problems with our DSPACE Server in Centos, the logs display this
> information, we need to increace the RAM?
>
>
>
> Log Tomcat:
>
>
> #
>
> # There is insufficient memory for the Java Runtime Environment to
> continue.
>
> # Native memory allocation (mmap) failed to map 128974848 bytes for
> committing reserved memory.
>
> # Possible reasons:
>
> # The system is out of physical RAM or swap space
>
> # In 32 bit mode, the process size limit was hit
>
> # Possible solutions:
>
> # Reduce memory load on the system
>
> # Increase physical memory or swap space
>
> # Check if swap backing store is full
>
> # Use 64 bit Java on a 64 bit OS
>
> # Decrease Java heap size (-Xmx/-Xms)
>
> # Decrease number of Java threads
>
> # Decrease Java thread stack sizes (-Xss)
>
> # Set larger code cache with -XX:ReservedCodeCacheSize=
>
> # This output file may be truncated or incomplete.
>
> #
>
> # Out of Memory Error (os_linux.cpp:2673), pid=1616, tid=140545783281408
>
> #
>
> # JRE version: Java(TM) SE Runtime Environment (8.0_40-b25) (build
> 1.8.0_40-b25)
>
> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.40-b25 mixed mode
> linux-amd64 compressed oops)
>
> # Failed to write core dump. Core dumps have been disabled. To enable core
> dumping, try "ulimit -c unlimited" before starting Java again
>
> #
>
>
> --------------- T H R E A D ---------------
>
>
> Current thread (0x00007fd370072800): VMThread [stack:
> 0x00007fd35d6cb000,0x00007fd35d7cc000] [id=1620]
>
>
> Stack: [0x00007fd35d6cb000,0x00007fd35d7cc000], sp=0x00007fd35d7ca1e0,
> free space=1020k
>
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
> code)
>
> V [libjvm.so+0xaaca9a] VMError::report_and_die()+0x2ba
>
> V [libjvm.so+0x4f333b] report_vm_out_of_memory(char const*, int,
> unsigned long, VMErrorType, char const*)+0x8b
>
> V [libjvm.so+0x90e8c3] os::Linux::commit_memory_impl(char*, unsigned
> long, bool)+0x103
>
> V [libjvm.so+0x90ee19] os::pd_commit_memory(char*, unsigned long,
> unsigned long, bool)+0x29
>
> V [libjvm.so+0x90877a] os::commit_memory(char*, unsigned long, unsigned
> long, bool)+0x2a
>
> V [libjvm.so+0x97bbc3] PSVirtualSpace::expand_by(unsigned long)+0x53
>
> V [libjvm.so+0x97cfc8] PSYoungGen::resize_generation(unsigned long,
> unsigned long)+0xf8
>
> V [libjvm.so+0x97c122] PSYoungGen::resize(unsigned long, unsigned
> long)+0x22
>
> V [libjvm.so+0x9793fb] PSScavenge::invoke_no_policy()+0xf7b
>
> V [libjvm.so+0x979b81] PSScavenge::invoke()+0x41
>
> V [libjvm.so+0x932150]
> ParallelScavengeHeap::failed_mem_allocate(unsigned long)+0x70
>
> V [libjvm.so+0xaae2d7] VM_ParallelGCFailedAllocation::doit()+0x97
>
> V [libjvm.so+0xab5ac5] VM_Operation::evaluate()+0x55
>
> V [libjvm.so+0xab3e9a] VMThread::evaluate_operation(VM_Operation*)+0xba
>
> V [libjvm.so+0xab421e] VMThread::loop()+0x1ce
>
> V [libjvm.so+0xab4690] VMThread::run()+0x70
>
> V [libjvm.so+0x910ee8] java_start(Thread*)+0x108
>
>
> VM_Operation (0x00007fd32fdfd670): ParallelGCFailedAllocation, mode:
> safepoint, requested by thread 0x00007fd328003000
>
>
>
> --------------- P R O C E S S ---------------
>
>
> Java Threads: ( => current thread )
>
> 0x00007fd328003000 JavaThread "localhost-startStop-1" daemon
> [_thread_blocked, id=1630, stack(0x00007fd32fcff000,0x00007fd32fe00000)]
>
> 0x00007fd3703a1800 JavaThread "Catalina-startStop-1" daemon
> [_thread_blocked, id=1629, stack(0x00007fd35c07d000,0x00007fd35c17e000)]
>
> 0x00007fd3702f2000 JavaThread "GC Daemon" daemon [_thread_blocked,
> id=1628, stack(0x00007fd35c5f0000,0x00007fd35c6f1000)]
>
> 0x00007fd3700ab000 JavaThread "Service Thread" daemon [_thread_blocked,
> id=1626, stack(0x00007fd35d0c5000,0x00007fd35d1c6000)]
>
> 0x00007fd3700a8800 JavaThread "C1 CompilerThread1" daemon
> [_thread_blocked, id=1625, stack(0x00007fd35d1c6000,0x00007fd35d2c7000)]
>
> 0x00007fd3700a5800 JavaThread "C2 CompilerThread0" daemon
> [_thread_in_native, id=1624, stack(0x00007fd35d2c7000,0x00007fd35d3c8000)]
>
> 0x00007fd3700a3800 JavaThread "Signal Dispatcher" daemon
> [_thread_blocked, id=1623, stack(0x00007fd35d3c8000,0x00007fd35d4c9000)]
>
> 0x00007fd370079800 JavaThread "Finalizer" daemon [_thread_blocked,
> id=1622, stack(0x00007fd35d4c9000,0x00007fd35d5ca000)]
>
> 0x00007fd370077800 JavaThread "Reference Handler" daemon
> [_thread_blocked, id=1621, stack(0x00007fd35d5ca000,0x00007fd35d6cb000)]
>
> 0x00007fd370009000 JavaThread "main" [_thread_blocked, id=1617,
> stack(0x00007fd376904000,0x00007fd376a05000)]
>
>
> Other Threads:
>
> =>0x00007fd370072800 VMThread [stack:
> 0x00007fd35d6cb000,0x00007fd35d7cc000] [id=1620]
>
> 0x00007fd3700b2000 WatcherThread [stack:
> 0x00007fd35cfc4000,0x00007fd35d0c5000] [id=1627]
>
>
> VM state:at safepoint (normal execution)
>
>
> VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
>
> [0x00007fd3700063b0] Threads_lock - owner thread: 0x00007fd370072800
>
> [0x00007fd3700068b0] Heap_lock - owner thread: 0x00007fd328003000
>
>
> Heap:
>
> PSYoungGen total 125440K, used 12783K [0x00000000ee100000,
> 0x00000000f6a00000, 0x0000000100000000)
>
> eden space 112640K, 0% used
> [0x00000000ee100000,0x00000000ee100000,0x00000000f4f00000)
>
> from space 12800K, 99% used
> [0x00000000f4f00000,0x00000000f5b7bc98,0x00000000f5b80000)
>
> to space 10752K, 0% used
> [0x00000000f5b80000,0x00000000f5b80000,0x00000000f6600000)
>
> ParOldGen total 36864K, used 30701K [0x00000000ca200000,
> 0x00000000cc600000, 0x00000000ee100000)
>
> object space 36864K, 83% used
> [0x00000000ca200000,0x00000000cbffb660,0x00000000cc600000)
>
> Metaspace used 12882K, capacity 13134K, committed 13312K, reserved
> 1060864K
>
> class space used 1394K, capacity 1461K, committed 1536K, reserved
> 1048576K
>
>
> Card table byte_map: [0x00007fd360a90000,0x00007fd360c40000]
> byte_map_base: 0x00007fd36043f000
>
>
> Marking Bits: (ParMarkBitMap*) 0x00007fd375dd06c0
>
> Begin Bits: [0x00007fd35ec7e000, 0x00007fd35f9f6000)
>
> End Bits: [0x00007fd35f9f6000, 0x00007fd36076e000)
>
>
> Polling page: 0x00007fd376a11000
>
>
> CodeCache: size=245760Kb used=6178Kb max_used=6178Kb free=239581Kb
>
> bounds [0x00007fd361000000, 0x00007fd361610000, 0x00007fd370000000]
>
> total_blobs=1873 nmethods=1533 adapters=254
>
> compilation: enabled
>
>
> Compilation events (10 events):
>
> Event: 18.392 Thread 0x00007fd3700a8800 1570 3
> java.util.Hashtable::<init> (8 bytes)
>
> Event: 18.393 Thread 0x00007fd3700a8800 nmethod 1570 0x00007fd3615f6b50
> code [0x00007fd3615f6ce0, 0x00007fd3615f6e68]
>
> Event: 18.437 Thread 0x00007fd3700a8800 1571 3
> sun.security.util.ManifestEntryVerifier::<init> (60 bytes)
>
> Event: 18.441 Thread 0x00007fd3700a8800 nmethod 1571 0x00007fd3615f5e90
> code [0x00007fd3615f6080, 0x00007fd3615f67a8]
>
> Event: 18.441 Thread 0x00007fd3700a8800 1572 3
> org.apache.catalina.deploy.WebXml::mergeResourceMap (167 bytes)
>
> Event: 18.442 Thread 0x00007fd3700a8800 nmethod 1572 0x00007fd361607110
> code [0x00007fd3616073e0, 0x00007fd3616089b8]
>
> Event: 18.442 Thread 0x00007fd3700a8800 1573 1
> org.apache.catalina.deploy.SessionConfig::getSessionTrackingModes (5 bytes)
>
> Event: 18.443 Thread 0x00007fd3700a8800 nmethod 1573 0x00007fd3615f5bd0
> code [0x00007fd3615f5d20, 0x00007fd3615f5e30]
>
> Event: 18.833 Thread 0x00007fd3700a8800 1575 3
> java.io.FilterInputStream::close (8 bytes)
>
> Event: 18.837 Thread 0x00007fd3700a8800 nmethod 1575 0x00007fd3615f5790
> code [0x00007fd3615f5900, 0x00007fd3615f5b28]
>
>
> GC Heap History (10 events):
>
> Event: 7.524 GC heap after
>
> Heap after GC invocations=2 (full 0):
>
> PSYoungGen total 30720K, used 2026K [0x00000000ee100000,
> 0x00000000f0100000, 0x0000000100000000)
>
> eden space 28672K, 0% used
> [0x00000000ee100000,0x00000000ee100000,0x00000000efd00000)
>
> from space 2048K, 98% used
> [0x00000000eff00000,0x00000000f00fa820,0x00000000f0100000)
>
> to space 2048K, 0% used
> [0x00000000efd00000,0x00000000efd00000,0x00000000eff00000)
>
> ParOldGen total 36864K, used 4890K [0x00000000ca200000,
> 0x00000000cc600000, 0x00000000ee100000)
>
> object space 36864K, 13% used
> [0x00000000ca200000,0x00000000ca6c6858,0x00000000cc600000)
>
> Metaspace used 12065K, capacity 12290K, committed 12416K, reserved
> 1060864K
>
> class space used 1335K, capacity 1394K, committed 1408K, reserved
> 1048576K
>
> }
>
> Event: 12.944 GC heap before
>
> {Heap before GC invocations=3 (full 0):
>
> PSYoungGen total 30720K, used 30698K [0x00000000ee100000,
> 0x00000000f0100000, 0x0000000100000000)
>
> eden space 28672K, 100% used
> [0x00000000ee100000,0x00000000efd00000,0x00000000efd00000)
>
> from space 2048K, 98% used
> [0x00000000eff00000,0x00000000f00fa820,0x00000000f0100000)
>
> to space 2048K, 0% used
> [0x00000000efd00000,0x00000000efd00000,0x00000000eff00000)
>
> ParOldGen total 36864K, used 4890K [0x00000000ca200000,
> 0x00000000cc600000, 0x00000000ee100000)
>
> object space 36864K, 13% used
> [0x00000000ca200000,0x00000000ca6c6858,0x00000000cc600000)
>
> Metaspace used 12683K, capacity 12910K, committed 13312K, reserved
> 1060864K
>
> class space used 1388K, capacity 1429K, committed 1536K, reserved
> 1048576K
>
> Event: 12.989 GC heap after
>
> Heap after GC invocations=3 (full 0):
>
> PSYoungGen total 30720K, used 2025K [0x00000000ee100000,
> 0x00000000f1d00000, 0x0000000100000000)
>
> eden space 28672K, 0% used
> [0x00000000ee100000,0x00000000ee100000,0x00000000efd00000)
>
> from space 2048K, 98% used
> [0x00000000efd00000,0x00000000efefa460,0x00000000eff00000)
>
> to space 2048K, 0% used
> [0x00000000f1b00000,0x00000000f1b00000,0x00000000f1d00000)
>
> ParOldGen total 36864K, used 6681K [0x00000000ca200000,
> 0x00000000cc600000, 0x00000000ee100000)
>
> object space 36864K, 18% used
> [0x00000000ca200000,0x00000000ca8864d0,0x00000000cc600000)
>
> Metaspace used 12683K, capacity 12910K, committed 13312K, reserved
> 1060864K
>
> class space used 1388K, capacity 1429K, committed 1536K, reserved
> 1048576K
>
> }
>
> Event: 14.540 GC heap before
>
> {Heap before GC invocations=4 (full 0):
>
--
<http://www.sidalc.net/>
<http://www.sidalc.net>
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