Colin,
Thanks for the reply. The class just has a Name and an Id field, both
strings. The Id field is indexed, UNIQUE (UUID, used as a PK).
The first query worked as expected:
select out() from #128:245823
----+------+----
# |@CLASS|out
----+------+----
0 |null |[5]
----+------+----
1 item(s) found. Query executed in 1.562 sec(s).
The second query never returned, but produced the following Console output:
select expand(out()) from #128:245823
Error: com.orientechnologies.orient.core.exception.OStorageException: Error
on executing command: sql.select expand(out()) from #128:245823
Error: java.lang.IllegalArgumentException: Unsupported record type: 0
Error: java.lang.IllegalArgumentException: Record type '0' is not supported
And the exception from the server console was this:
2015-03-16 17:49:48:617 INFO OrientDB Server v2.0.3 is active.
[OServer]java.lang.OutOfMemoryError: GC overhead limit exceeded
Dumping heap to java_pid4188.hprof ...
Heap dump file created [1407643643 bytes in 16.454 secs]
Sent run-time exception to the client /127.0.0.1:64960:
java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Arrays.copyOf(Unknown Source)
at java.lang.AbstractStringBuilder.expandCapacity(Unknown Source)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(Unknown
Source)
at java.lang.AbstractStringBuilder.append(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at java.io.StringWriter.write(Unknown Source)
at java.io.PrintWriter.write(Unknown Source)
at java.io.PrintWriter.write(Unknown Source)
at java.io.PrintWriter.print(Unknown Source)
at java.io.PrintWriter.println(Unknown Source)
at java.lang.Throwable$WrappedPrintWriter.println(Unknown Source)
at java.lang.Throwable.printStackTrace(Unknown Source)
at java.lang.Throwable.printStackTrace(Unknown Source)
at
com.orientechnologies.common.log.OLogFormatter.format(OLogFormatter.java:58)
at java.util.logging.StreamHandler.publish(Unknown Source)
at java.util.logging.ConsoleHandler.publish(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at java.util.logging.Logger.doLog(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at
com.orientechnologies.common.log.OLogManager.log(OLogManager.java:116)
at
com.orientechnologies.common.log.OLogManager.error(OLogManager.java:182)
at
com.orientechnologies.orient.core.fetch.OFetchHelper.processRecord(OFetchHelper.java:316)
at
com.orientechnologies.orient.core.fetch.OFetchHelper.fetch(OFetchHelper.java:72)
at
com.orientechnologies.orient.server.network.protocol.binary.OAbstractCommandResultListener.fetchRecord(OAbstractCommandResultListener.java:54)
at
com.orientechnologies.orient.server.network.protocol.binary.OSyncCommandResultListener.result(OSyncCommandResultListener.java:40)
at
com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.command(ONetworkProtocolBinary.java:1215)
at
com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.executeRequest(ONetworkProtocolBinary.java:385)
at
com.orientechnologies.orient.server.network.protocol.binary.OBinaryNetworkProtocolAbstract.execute(OBinaryNetworkProtocolAbstract.java:220)
at
com.orientechnologies.common.thread.OSoftThread.run(OSoftThread.java:69)
Processor utilization started out around 20%, then just before it quit,
jumped to > 80%, probably while it was writing the dump file.
Any suggestions are welcome. I've already increased the heap size, by the
way.
Thanks,
Patrick
On Monday, March 16, 2015 at 2:40:59 PM UTC-6, Colin wrote:
>
> Hi Patrick,
>
> It's very difficult to say for sure without knowing the schema and the
> number of edges going out from the record #128:245823.
>
> I would try this exact same scenario from the console and see if you get
> an error or if it returns a proper result. It might just be a bug in
> Studio.
>
> -Colin
>
> Orient Technologies
>
> The Company behind OrientDB
>
> On Monday, March 16, 2015 at 2:53:47 PM UTC-5, Patrick Hoeffel wrote:
>>
>> Using OrientDB 2.0.3 Community Edition with a populated graph having 2M
>> vertices and 11M edges:
>>
>> This query:
>>
>> `select out() from #128:245823`
>>
>> returns 1 row with 5 links in 0.026 second.
>>
>> This query:
>>
>> `select *expand*(out()) from #128:245823`
>>
>> does not return at all and crashes Chrome.
>>
>> Does anyone see what I may be doing wrong, what I do not understand about
>> the `expand()` function?
>>
>> Thanks!
>>
>> Patrick
>>
>>
<https://lh6.googleusercontent.com/-OEon6ltOFkI/VQdUj4JjmvI/AAAAAAAAQZM/i8VTagoQk8E/s1600/Console%2B1.PNG>
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