Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Could you attach something simple as VisualVM, https://visualvm.java.net/ to the process when it runs CC and sample on memory to get an idea of what it is that takes up so much memory? On Mon, Mar 6, 2017 at 1:35 PM, unrealadmin23 via Neo4j < neo4j@googlegroups.com> wrote: > As an update - after

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

As an update - after running for 48 hours the GC again runs out of heap. I can increase the heap size again (above 124GB) but getting a bit tedious now. There are no indicators that the DB has a problem - I was just interested to ensure that its integrity was good. Let me know if you wish

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Looks like this fixed the problem - for the Heap size. Setting Env variables doesn't appear to work - will you be coding this in to the script ? In my case the 90% phase comprises a busy machine, with little IO activity. The data appears to have been loaded into the memory and the

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

So I have added: $ cat neo4j-admin #!/usr/bin/env bash # Copyright (c) 2016 "Neo Technology," # Network Engine for Objects in Lund AB [http://neotechnology.com] # # This file is part of Neo4j. # # Neo4j is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Can you try to edit the script directly and add the memory parameters there? On Fri, Mar 3, 2017 at 8:49 PM, unrealadmin23 via Neo4j < neo4j@googlegroups.com> wrote: > Yes > > Also, in the 90% scan, what every Java memory parameter I use, htop > shows the same memory foot print. Its as if

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Yes Also, in the 90% scan, what every Java memory parameter I use, htop shows the same memory foot print. Its as if the heap isn't being set as per the env parameters that you area asking me to set. Wayne On Friday, 3 March 2017 07:51:48 UTC, Mattias Persson wrote: > > Querying Lucene,

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Sorry I just learned that neo4j-admin uses a different variable "You can pass memory options to the JVM via the `JAVA_MEMORY_OPTS` variable as a workaround though." Von meinem iPhone gesendet > Am 28.02.2017 um 18:50 schrieb unrealadmin23 via Neo4j > : > > Michael,

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Michael, After running the check_consistency command for 1 day with the above parameters, it failed in exactly the same manner. $env | grep -i java JAVA_OPTS=-Xmx32G -Xms32G Any other ideas ? Wayne On Monday, 27 February 2017 16:57:49 UTC, Michael Hunger wrote: > > Do you have really that

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Also if you use Neo4j Enterprise with a contract you can also raise support issues with Zendesk :) On Mon, Feb 27, 2017 at 8:47 PM, unrealadmin23 via Neo4j < neo4j@googlegroups.com> wrote: > I have 1TB so usual consider 120GB to be small; but then I'm not a Java > person. > I will set the

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

I have 1TB so usual consider 120GB to be small; but then I'm not a Java person. I will set the java_opts as per below and see what happens Wayne. On Monday, 27 February 2017 16:57:49 UTC, Michael Hunger wrote: > > Do you have really that much RAM in your machine ? 120G usually doesn't >

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Do you have really that much RAM in your machine ? 120G usually doesn't make sense. Most people run with 32G as large heap. That said. I asked and currently the numbers from the config are not used, you have to do: export JAVA_OPTS=-Xmx24G -Xms24G neo4j-admin ... On Mon, Feb 27, 2017 at 8:32

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

I should have said, that the head sizes are the ones that I have set in neo4j.conf. Will these be used by check-consistency or do I need to supply them elsewhere ? Wayne. On Monday, 27 February 2017 07:27:33 UTC, unreal...@googlemail.com wrote: > > Michael, > > neo4j-admin check-consistency

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

Michael, neo4j-admin check-consistency --database=test.db --verbose dbms.memory.heap.initial_size=12m dbms.memory.heap.max_size=12m Wayne. On Monday, 27 February 2017 02:47:26 UTC, Michael Hunger wrote: > > How did you call the consistency checker? > > How much heap did you provide

Re: [Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

How did you call the consistency checker? How much heap did you provide for it? Cheers, Michael On Sun, Feb 26, 2017 at 8:28 PM, unrealadmin23 via Neo4j < neo4j@googlegroups.com> wrote: > The following o/p was obtained: > > . > . > . > > 90% > 2017-02-26

[Neo4j] java.lang.OutOfMemoryError: GC overhead limit exceeded when running 'neo4j-admin check-consistency' - Any ideas ?

The following o/p was obtained: . . . 90% 2017-02-26 00:03:16.883+ INFO [o.n.c.ConsistencyCheckService] === Stage7_RS_Backward === 2017-02-26 00:03:16.885+ INFO [o.n.c.ConsistencyCheckService] I/Os RelationshipStore Reads: 3374851294 Random Reads: 2743390177