Those are tiny heaps for large objects. Bryan ---- Bryan Thompson Chief Scientist & Founder SYSTAP, LLC 4501 Tower Road Greensboro, NC 27410 br...@systap.com http://blazegraph.com http://blog.bigdata.com <http://bigdata.com> http://mapgraph.io
Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints APIs. Blazegraph is now available with GPU acceleration using our disruptive technology to accelerate data-parallel graph analytics and graph query. CONFIDENTIALITY NOTICE: This email and its contents and attachments are for the sole use of the intended recipient(s) and are confidential or proprietary to SYSTAP. Any unauthorized review, use, disclosure, dissemination or copying of this email or its contents or attachments is prohibited. If you have received this communication in error, please notify the sender by reply email and permanently delete all copies of the email and its contents and attachments. On Fri, Sep 11, 2015 at 4:22 PM, Palash Ray <paa...@gmail.com> wrote: > This issue is fixed by increasing the memory while starting the > server. In the present case, > > -Xms125m -Xmx400m > > works fine. > > But the problem happens when > > -Xms125m -Xmx256m > > Thanks, > Palash. > > On 9/11/15, Bryan Thompson <br...@systap.com> wrote: > > One suggestion is to separate the messages from the payload and use a > > different protocol for the payload. For example, having the receiver > reach > > back across the network when it is ready to read the payload. This has > > several advantages: > > > > - The receiver can impose flow control on the heavy messages by deciding > > when it wants the data. > > - You can use one network for the lighter messages that coordinate > activity > > and another network for the bandwidth intensive data transfers. > > - You can avoid Java serialization for heavy if you have simple objects > > such as arrays. > > > > Bryan > > > > ---- > > Bryan Thompson > > Chief Scientist & Founder > > SYSTAP, LLC > > 4501 Tower Road > > Greensboro, NC 27410 > > br...@systap.com > > http://blazegraph.com > > http://blog.bigdata.com <http://bigdata.com> > > http://mapgraph.io > > > > Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance > > graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints > > APIs. Blazegraph is now available with GPU acceleration using our > > disruptive > > technology to accelerate data-parallel graph analytics and graph query. > > > > CONFIDENTIALITY NOTICE: This email and its contents and attachments are > > for the sole use of the intended recipient(s) and are confidential or > > proprietary to SYSTAP. Any unauthorized review, use, disclosure, > > dissemination or copying of this email or its contents or attachments is > > prohibited. If you have received this communication in error, please > notify > > the sender by reply email and permanently delete all copies of the email > > and its contents and attachments. > > > > On Fri, Sep 11, 2015 at 12:38 PM, Palash Ray <paa...@gmail.com> wrote: > > > >> Hi, > >> > >> I have a Jini server, and I am doing a lookup from a Jini registry and > >> then making a call on the remote. > >> > >> The client code is: > >> LookupLocator lookupLocator = new > LookupLocator(jiniRegistryUrl); > >> return (Remote) lookupLocator.getRegistrar().lookup(new > >> ServiceTemplate(null, > >> new Class[]{serviceInterfaceClass}, new Entry[]{new > >> Name(serviceName)})); > >> We are transmitting pretty heavy objects: ArrayList having a million+ > >> rows. It works fine for most part. However, when the list has over 10 > >> million rows, the server is still fine. But, the client starts > >> behaving weird and throwing java.io.EOFException. I am pasting the > >> full stack trace. > >> > >> Any help would be appreciated. > >> > >> Thanks, > >> Palash. > >> > >> > >> Caused by: java.lang.reflect.InvocationTargetException > >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > >> at > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> > com.imsi.iss.portiss.jasper.query.RmiQueryExecutor.queryReportData(RmiQueryExecutor.java:112) > >> at > >> > com.imsi.iss.portiss.jasper.query.PortissQueryExecutor.createDatasource(PortissQueryExecutor.java:41) > >> ... 16 more > >> Caused by: java.rmi.UnmarshalException: exception unmarshalling > >> response; nested exception is: > >> java.io.EOFException > >> at > >> > net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHandler.java:847) > >> at > >> > net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationHandler.java:659) > >> at > >> > net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:528) > >> at > >> com.sun.proxy.$Proxy176.getPartnerStatementStrategicValue(Unknown > >> Source) > >> ... 22 more > >> Caused by: java.io.EOFException > >> at > >> > java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2596) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1316) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.HashMap.readObject(HashMap.java:1155) > >> at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.ArrayList.readObject(ArrayList.java:733) > >> at sun.reflect.GeneratedMethodAccessor291.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.HashMap.readObject(HashMap.java:1155) > >> at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.ArrayList.readObject(ArrayList.java:733) > >> at sun.reflect.GeneratedMethodAccessor291.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.HashMap.readObject(HashMap.java:1155) > >> at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at java.util.ArrayList.readObject(ArrayList.java:733) > >> at sun.reflect.GeneratedMethodAccessor291.invoke(Unknown Source) > >> at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >> at java.lang.reflect.Method.invoke(Method.java:606) > >> at > >> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1891) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) > >> at > >> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) > >> at > >> > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) > >> at > >> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) > >> at > >> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > >> at > >> com.sun.jini.jeri.internal.runtime.Util.unmarshalValue(Util.java:221) > >> at > >> > net.jini.jeri.BasicInvocationHandler.unmarshalReturn(BasicInvocationHandler.java:1242) > >> at > >> > net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHandler.java:825) > >> ... 25 more > >> > > >
