Our program/script is written in Python 3 using py2neo v3.1.2 to access 
Neo4j. Converting it to Java is possible but takes a lot of re-coding. 

(Before I modify our Python 3 program to Java, I'll ask py2neo creator 
Nigel to take a look at this problem.)

Ray

On Tuesday, September 12, 2017 at 4:17:01 PM UTC-7, Michael Hunger wrote:
>
> Can you try to run the same workload with a different driver? e.g. 
> Javascript or Java ?
>
> It seems that the client aborts the connection.
>
> Michael
>
> On Thu, Sep 7, 2017 at 4:52 AM, Ray Chengr <[email protected] 
> <javascript:>> wrote:
>
>> Three findings:
>> 1) Tried to use bolt instead of http. The same error still happened. 
>> 2) Using bolt resulted in slower Neo4j insertion by three times than http 
>> in our busy insertion Neo4j-py2neo Python 3 case, i.e. the time period for 
>> exactly the same input data took three times longer than using http. So, we 
>> went back to http.
>> 3) See similar error message from neo4j.log, the part above neo4j.server 
>> is different from the one I posted, but the part from neo4j.server is the 
>> same:
>> 2017-09-07 00:24:50.554+0000 ERROR Failed to generate JSON output.
>> org.eclipse.jetty.io.EofException
>>     at org.eclipse.jetty.io
>> .ChannelEndPoint.flush(ChannelEndPoint.java:192)
>>     at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:408)
>>     at org.eclipse.jetty.io.WriteFlusher.write(WriteFlusher.java:302)
>>     at org.eclipse.jetty.io
>> .AbstractEndPoint.write(AbstractEndPoint.java:129)
>>     at 
>> org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:684)
>>     at 
>> org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:246)
>>     at 
>> org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:208)
>>     at 
>> org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:480)
>>     at 
>> org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:768)
>>     at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:801)
>>     at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:142)
>>     at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:135)
>>     at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:350)
>>     at 
>> com.sun.jersey.spi.container.servlet.WebComponent$Writer.write(WebComponent.java:300)
>>     at 
>> com.sun.jersey.spi.container.ContainerResponse$CommittingOutputStream.write(ContainerResponse.java:135)
>>     at 
>> org.neo4j.server.rest.web.TransactionalService$InterruptingOutputStream.write(TransactionalService.java:283)
>>     at 
>> org.codehaus.jackson.impl.Utf8Generator._flushBuffer(Utf8Generator.java:1754)
>>     at 
>> org.codehaus.jackson.impl.Utf8Generator._writeFieldName(Utf8Generator.java:420)
>>     at 
>> org.codehaus.jackson.impl.Utf8Generator.writeFieldName(Utf8Generator.java:282)
>>     at 
>> org.codehaus.jackson.JsonGenerator.writeNumberField(JsonGenerator.java:956)
>>     at 
>> org.neo4j.server.rest.transactional.ExecutionResultSerializer.writeStats(ExecutionResultSerializer.java:209)
>>     at 
>> org.neo4j.server.rest.transactional.ExecutionResultSerializer.statementResult(ExecutionResultSerializer.java:115)
>>     at 
>> org.neo4j.server.rest.transactional.TransactionHandle.executeStatements(TransactionHandle.java:316)
>>     at 
>> org.neo4j.server.rest.transactional.TransactionHandle.commit(TransactionHandle.java:150)
>>     at 
>> org.neo4j.server.rest.web.TransactionalService.lambda$executeStatementsAndCommit$28(TransactionalService.java:202)
>>     at 
>> org.neo4j.server.rest.web.TransactionalService$$Lambda$164/1266049947.write(Unknown
>>  
>> Source)
>>
>>     at 
>> com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:71)
>>     at 
>> com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:57)
>>     at 
>> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:302)
>>     at 
>> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1510)
>>     at 
>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
>>     at 
>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
>>     at 
>> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
>>     at 
>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
>>     at 
>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>>     at 
>> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
>>     at 
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
>>     at 
>> org.neo4j.server.rest.web.CollectUserAgentFilter.doFilter(CollectUserAgentFilter.java:69)
>>     at 
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
>>     at 
>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
>>     at 
>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
>>     at 
>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
>>     at 
>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
>>     at 
>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
>>     at 
>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
>>     at 
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
>>     at 
>> org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
>>     at 
>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
>>     at org.eclipse.jetty.server.Server.handle(Server.java:497)
>>     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
>>     at 
>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
>>     at org.eclipse.jetty.io
>> .AbstractConnection$2.run(AbstractConnection.java:540)
>>     at 
>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
>>     at 
>> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
>>     at java.lang.Thread.run(Thread.java:745)
>> Caused by: java.io.IOException: Connection reset by peer
>>     at sun.nio.ch.FileDispatcherImpl.writev0(Native Method)
>>     at sun.nio.ch.SocketDispatcher.writev(SocketDispatcher.java:51)
>>     at sun.nio.ch.IOUtil.write(IOUtil.java:148)
>>     at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:504)
>>     at org.eclipse.jetty.io
>> .ChannelEndPoint.flush(ChannelEndPoint.java:172)
>>     ... 55 more
>> 2017-09-07 00:24:50.838+0000 ERROR Unable to reply to request, because 
>> the client has closed the connection (Broken pipe).
>> 2017-09-07 00:24:50.839+0000 ERROR Unable to reply to request, because 
>> the client has closed the connection (Broken pipe).
>>
>> Any idea?
>>
>> Thanks,
>> Ray
>>
>>
>>
>> On Tuesday, September 5, 2017 at 7:23:52 PM UTC-7, [email protected] 
>> wrote:
>>>
>>> > Would you mind raising an issue at github.com/neo4j/neo4j ?
>>> Just raised an issue at github.com/neo4j/neo4j .
>>> > Can you try to use bolt instead of http?
>>> Trying bolt in our environment now. Will report back if timeout happens 
>>> with bolt or does not happen after a couple of days.
>>>
>>> Thanks Michael.
>>>
>>> Ray
>>>
>>> On Saturday, September 2, 2017 at 9:22:39 PM UTC-7, Michael Hunger wrote:
>>>>
>>>> Would you mind raising an issue at github.com/neo4j/neo4j ?
>>>> Seems like a server side http issue.
>>>>
>>>> Can you try to use bolt instead of http?
>>>>
>>>> Michael
>>>>
>>>>
>>>> On Sat, Sep 2, 2017 at 2:08 AM, <[email protected]> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Our Python 3 program using version 3.1.2 py2neo on Neo4j Community 
>>>>> Edition version 3.0.3. with transaction size about 4000, i.e. we do a 
>>>>> transaction commit after we put 4,000 Cypher statements to a transaction.
>>>>>
>>>>> We open the py2neo Graph as this
>>>>>
>>>>> from py2neo import Graph
>>>>>
>>>>> g = Graph(bolt = False, user = .., password = ..)
>>>>>
>>>>>
>>>>> Once in a long while we will get timeout error from Neo4j. Any idea 
>>>>> why this kind of timeout happens? Are there any way to prevent this 
>>>>> timeout 
>>>>> errors from happening? 
>>>>>
>>>>>
>>>>> (If I increase transaction size to 8000 or 9000, timeout occurs more 
>>>>> often, at transaction size 4000 timeout happens only occasionally. But it 
>>>>> we use transaction size less than 4000, the insertion throughput is 
>>>>> affected, and we are not sure if timeout will not happen with transaction 
>>>>> size 3000.)
>>>>>
>>>>>
>>>>> Stack trace of py2neo, exception log from neo4j.log and debug.log of 
>>>>> when the timeout happened are included below. 
>>>>>
>>>>>
>>>>> Note that our Python log  time zone is 7 hours behind UTC.
>>>>>
>>>>>
>>>>> Python 3 log including py2neo stack trace:
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,886 - read_qosmos - INFO 
>>>>> - /opt/trendmicro/ddna/engine/flow_processor.py, line 603: stack_list = 
>>>>> traceback.extract_stack(limit=10) + \
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,886 - read_qosmos - INFO 
>>>>> - /opt/trendmicro/ddna/engine/flow_processor.py, line 4048: tx_b.commit()
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,886 - read_qosmos - INFO 
>>>>> - 
>>>>> /opt/trendmicro/ddna/engine/venv-flow-processor/lib/python3.4/site-packages/py2neo/database/__init__.py,
>>>>>  
>>>>> line 1059: self._post(commit=True)
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,886 - read_qosmos - INFO 
>>>>> - 
>>>>> /opt/trendmicro/ddna/engine/venv-flow-processor/lib/python3.4/site-packages/py2neo/database/__init__.py,
>>>>>  
>>>>> line 1220: rs = resource.post({"statements": self.statements})
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,886 - read_qosmos - INFO 
>>>>> - 
>>>>> /opt/trendmicro/ddna/engine/venv-flow-processor/lib/python3.4/site-packages/py2neo/database/http.py,
>>>>>  
>>>>> line 203: response = self.__base.post(body, headers, **kwargs)
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,887 - read_qosmos - INFO 
>>>>> - 
>>>>> /opt/trendmicro/ddna/engine/venv-flow-processor/lib/python3.4/site-packages/py2neo/packages/httpstream/http.py,
>>>>>  
>>>>> line 984: return rq.submit(**kwargs)
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,887 - read_qosmos - INFO 
>>>>> - 
>>>>> /opt/trendmicro/ddna/engine/venv-flow-processor/lib/python3.4/site-packages/py2neo/packages/httpstream/http.py,
>>>>>  
>>>>> line 362: raise SocketError(code, description, host_port=uri.host_port)
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,887 - read_qosmos - 
>>>>> WARNING - mp 0, ctx 1 Got an exception from commit(): timed out
>>>>>
>>>>> Sep  1 12:01:34 ddna-sjc 2017-09-01 12:01:34,887 - read_qosmos - INFO 
>>>>> - Type of Exception is <class 'py2neo.packages.httpstream.ht
>>>>> tp.SocketError'>
>>>>>
>>>>>
>>>>>
>>>>> from neo4j.log
>>>>>
>>>>> 2017-09-01 18:38:38.733+0000 WARN  badMessage: 
>>>>> java.lang.IllegalStateException: too much data after closed for 
>>>>> HttpChannelOverHttp@4b2cc33{r=5,c=false,a=IDLE,uri=-}
>>>>>
>>>>> 2017-09-01 19:01:35.111+0000 ERROR Failed to generate JSON output. 
>>>>> java.util.concurrent.TimeoutException: Idle timeout expired: 30000/30000 
>>>>> ms
>>>>>
>>>>> java.io.IOException: java.util.concurrent.TimeoutException: Idle 
>>>>> timeout expired: 30000/30000 ms
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.util.SharedBlockingCallback$Blocker.block(SharedBlockingCallback.java:234)
>>>>>
>>>>> at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:136)
>>>>>
>>>>> at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:350)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.servlet.WebComponent$Writer.write(WebComponent.java:300)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.ContainerResponse$CommittingOutputStream.write(ContainerResponse.java:135)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.web.TransactionalService$InterruptingOutputStream.write(TransactionalService.java:283)
>>>>>
>>>>> at 
>>>>> org.codehaus.jackson.impl.Utf8Generator._flushBuffer(Utf8Generator.java:1754)
>>>>>
>>>>> at 
>>>>> org.codehaus.jackson.impl.Utf8Generator._writeFieldName(Utf8Generator.java:432)
>>>>>
>>>>> at 
>>>>> org.codehaus.jackson.impl.Utf8Generator.writeFieldName(Utf8Generator.java:282)
>>>>>
>>>>> at 
>>>>> org.codehaus.jackson.JsonGenerator.writeNumberField(JsonGenerator.java:956)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.transactional.ExecutionResultSerializer.writeStats(ExecutionResultSerializer.java:209)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.transactional.ExecutionResultSerializer.statementResult(ExecutionResultSerializer.java:115)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.transactional.TransactionHandle.executeStatements(TransactionHandle.java:316)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.transactional.TransactionHandle.commit(TransactionHandle.java:150)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.web.TransactionalService.lambda$executeStatementsAndCommit$28(TransactionalService.java:202)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.web.TransactionalService$$Lambda$169/499200393.write(Unknown
>>>>>  
>>>>> Source)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:71)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:57)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:302)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1510)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
>>>>>
>>>>> at 
>>>>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
>>>>>
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
>>>>>
>>>>> at 
>>>>> org.neo4j.server.rest.web.CollectUserAgentFilter.doFilter(CollectUserAgentFilter.java:69)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
>>>>>
>>>>> at org.eclipse.jetty.server.Server.handle(Server.java:497)
>>>>>
>>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
>>>>>
>>>>> at org.eclipse.jetty.io
>>>>> .AbstractConnection$2.run(AbstractConnection.java:540)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
>>>>>
>>>>> at 
>>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
>>>>>
>>>>> at java.lang.Thread.run(Thread.java:745)
>>>>>
>>>>> Caused by: java.util.concurrent.TimeoutException: Idle timeout 
>>>>> expired: 30000/30000 ms
>>>>>
>>>>> at org.eclipse.jetty.io
>>>>> .IdleTimeout.checkIdleTimeout(IdleTimeout.java:161)
>>>>>
>>>>> at org.eclipse.jetty.io.IdleTimeout$1.run(IdleTimeout.java:50)
>>>>>
>>>>> at 
>>>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>>>>>
>>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>>>>>
>>>>> at 
>>>>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
>>>>>
>>>>> at 
>>>>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>>>>>
>>>>> at 
>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>>>>>
>>>>> at 
>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>>>>>
>>>>> ... 1 more
>>>>>
>>>>>
>>>>>
>>>>> from debug.log
>>>>>
>>>>>
>>>>> 2017-09-01 18:58:33.634+0000 INFO  [o.n.k.i.t.l.p.LogPruningImpl] Log 
>>>>> Rotation [8720]:  Starting log pruning.
>>>>>
>>>>> 2017-09-01 18:58:33.635+0000 INFO  [o.n.k.i.t.l.p.LogPruningImpl] Log 
>>>>> Rotation [8720]:  Log pruning complete.
>>>>>
>>>>> 2017-09-01 19:03:33.641+0000 INFO  [o.n.k.i.t.l.c.CheckPointerImpl] 
>>>>> Check Pointing triggered by scheduler for time threshold [100911780]:  
>>>>> Starting check pointing...2017-09-01 19:03:33.641+0000 INFO  
>>>>> [o.n.k.i.t.l.c.CheckPointerImpl] 
>>>>> Check Pointing triggered by scheduler for time threshold [100911780]:  
>>>>> Starting store flush...2017-09-01 19:03:33.778+0000 INFO  
>>>>> [o.n.k.i.s.c.CountsTracker] 
>>>>> About to rotate counts store at transaction 100911780 to 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.a], from 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.b].2017-09-01
>>>>>  
>>>>> 19:03:33.780+0000 INFO  [o.n.k.i.s.c.CountsTracker] Successfully 
>>>>> rotated counts store at transaction 100911780 to 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.a], from 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.b].2017-09-01
>>>>>  
>>>>> 19:03:37.653+0000 INFO  [o.n.k.i.t.l.c.CheckPointerImpl] Check 
>>>>> Pointing triggered by scheduler for time threshold [100911780]:  Store 
>>>>> flush completed2017-09-01 19:03:37.653+0000 INFO  
>>>>> [o.n.k.i.t.l.c.CheckPointerImpl] 
>>>>> Check Pointing triggered by scheduler for time threshold [100911780]:  
>>>>> Starting appending check point entry into the tx log...2017-09-01 
>>>>> 19:03:37.654+0000 INFO  [o.n.k.i.t.l.c.CheckPointerImpl] Check 
>>>>> Pointing triggered by scheduler for time threshold [100911780]:  
>>>>> Appending 
>>>>> check point entry into the tx log completed2017-09-01 19:03:37.654+0000 
>>>>> INFO  
>>>>> [o.n.k.i.t.l.c.CheckPointerImpl] Check Pointing triggered by scheduler 
>>>>> for time threshold [100911780]:  Check pointing completed2017-09-01 
>>>>> 19:03:37.654+0000 INFO  [o.n.k.i.t.l.p.LogPruningImpl] Log Rotation 
>>>>> [8720]:  Starting log pruning.2017-09-01 19:03:37.655+0000 INFO  
>>>>> [o.n.k.i.t.l.p.LogPruningImpl] 
>>>>> Log Rotation [8720]:  Log pruning complete.
>>>>>
>>>>> 2017-09-01 19:08:37.662+0000 INFO  [o.n.k.i.t.l.c.CheckPointerImpl] 
>>>>> Check Pointing triggered by scheduler for time threshold [100911792]:  
>>>>> Starting check pointing...2017-09-01 19:08:37.662+0000 INFO  
>>>>> [o.n.k.i.t.l.c.CheckPointerImpl] 
>>>>> Check Pointing triggered by scheduler for time threshold [100911792]:  
>>>>> Starting store flush...
>>>>>
>>>>> 2017-09-01 19:08:37.747+0000 INFO  [o.n.k.i.s.c.CountsTracker] About 
>>>>> to rotate counts store at transaction 100911792 to 
>>>>> [/data/ddna/neo4j/data/databases/graph.d
>>>>>
>>>>> b/neostore.counts.db.b], from 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore
>>>>>
>>>>> .counts.db.a].
>>>>>
>>>>> 2017-09-01 19:08:37.749+0000 INFO  [o.n.k.i.s.c.CountsTracker] 
>>>>> Successfully rotated counts store at transaction 100911792 to 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.b], from 
>>>>> [/data/ddna/neo4j/data/databases/graph.db/neostore.counts.db.a].
>>>>>
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Ray
>>>>>
>>>>> -- 
>>>>> You received this message because you are subscribed to the Google 
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>>>>> an email to [email protected].
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>>>>>
>>>>
>>>>
>

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