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Re: Coalesce() step behaves differently than Or() step, with exception in sum() step
This question is also asked to the gremlin user group, where it can be best answered:
https://groups.google.com/g/gremlin-users/c/-oBWRUxF_Hw
This question is also asked to the gremlin user group, where it can be best answered:
https://groups.google.com/g/gremlin-users/c/-oBWRUxF_Hw
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By
hadoopmarc@...
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#5597
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Re: Janusgraph connect with MySQL Storage Backend
Boxuan,
Thanks for the pointer to janusbench. I will try this and update this thread in few days.
Madhan
From: <janusgraph-users@...> on behalf of BO XUAN LI <liboxuan@...>
Reply-To:
Boxuan,
Thanks for the pointer to janusbench. I will try this and update this thread in few days.
Madhan
From: <janusgraph-users@...> on behalf of BO XUAN LI <liboxuan@...>
Reply-To:
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By
Madhan Neethiraj
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#5596
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Coalesce() step behaves differently than Or() step, with exception in sum() step
I am trying to replace coalesce() by or() which is generally faster, but there is a problem with or() step failing in the following mum() step:
gremlin> graph3 = TinkerGraph.open()
I am trying to replace coalesce() by or() which is generally faster, but there is a problem with or() step failing in the following mum() step:
gremlin> graph3 = TinkerGraph.open()
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By
cmilowka
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#5595
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Re: Where does Computation happens
Hi Dany,
Some anwers:
computation happens inside janusgraph (not the storage backend) and janusgraph runs as part of gremlin server
yes, a query and its computations run on a single gremlin server
Hi Dany,
Some anwers:
computation happens inside janusgraph (not the storage backend) and janusgraph runs as part of gremlin server
yes, a query and its computations run on a single gremlin server
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By
hadoopmarc@...
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#5594
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Where does Computation happens
Hi Team,
I have a clarification on a distributed query execution, Have JanusGraph setup with cassandra distributed storage. I am worried about the performance of complex queries.
1. Where does my
Hi Team,
I have a clarification on a distributed query execution, Have JanusGraph setup with cassandra distributed storage. I am worried about the performance of complex queries.
1. Where does my
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By
Dany <danyinb@...>
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#5593
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Re: Janusgraph connect with MySQL Storage Backend
Hi Madhan,
Have you checked out https://github.com/rngcntr/janusbench ? I never used it personally but it looks interesting and might be helpful.
Best regards,
Boxuan
Hi Madhan,
Have you checked out https://github.com/rngcntr/janusbench ? I never used it personally but it looks interesting and might be helpful.
Best regards,
Boxuan
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By
Boxuan Li
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#5592
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Re: Janusgraph connect with MySQL Storage Backend
Hi Marc,
Thanks! This is a work-in-progress implementation, and will need to go through more testing - especially to understand the performance and tuning aspects. Once these are done, this
Hi Marc,
Thanks! This is a work-in-progress implementation, and will need to go through more testing - especially to understand the performance and tuning aspects. Once these are done, this
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By
Madhan Neethiraj
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#5591
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Re: Janusgraph connect with MySQL Storage Backend
Hi Madhan
It is exciting news that you have just made available this work under the APL2.0 license!!! Standard RDBMS, though not as scalable as the NoSQL storage backends, might provide an easy start
Hi Madhan
It is exciting news that you have just made available this work under the APL2.0 license!!! Standard RDBMS, though not as scalable as the NoSQL storage backends, might provide an easy start
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By
hadoopmarc@...
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#5590
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Re: How to improve the write speed of Java connection janusgraph?
This blog might be a good start for your further experiments:
https://www.experoinc.com/post/janusgraph-nuts-and-bolts-part-1-write-performance
Best wishes, Marc
This blog might be a good start for your further experiments:
https://www.experoinc.com/post/janusgraph-nuts-and-bolts-part-1-write-performance
Best wishes, Marc
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By
hadoopmarc@...
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#5589
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Re: Janusgraph connect with MySQL Storage Backend
Hi Molong,
An implementation of JanusGraph backend storage for RDBMS is available at https://github.com/mneethiraj/janusgraph/tree/rdbms_backend. The implementation uses EclipseLink JPA to access
Hi Molong,
An implementation of JanusGraph backend storage for RDBMS is available at https://github.com/mneethiraj/janusgraph/tree/rdbms_backend. The implementation uses EclipseLink JPA to access
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By
Madhan Neethiraj
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#5588
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Re: How to improve the write speed of Java connection janusgraph?
I’m also trying to running theses parameters to process traversals in parallel using a thread pool. The most interesting parameters I’ve found until now are maxInProcessRequest and
I’m also trying to running theses parameters to process traversals in parallel using a thread pool. The most interesting parameters I’ve found until now are maxInProcessRequest and
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By
ramosrods@...
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#5587
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Re: Janusgraph 0.5.3 potential memory leak
I run simple benchmark that reproduce oom problem with iterator version
https://gist.github.com/mad/df729c6a27a7ed224820cdd27209bade
Result
Benchmark (size) (valueSize)
I run simple benchmark that reproduce oom problem with iterator version
https://gist.github.com/mad/df729c6a27a7ed224820cdd27209bade
Result
Benchmark (size) (valueSize)
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By
owner.mad.epa@...
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#5586
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Re: No results returned with duplicate Has steps in a vertex-search traversal
Just created a simple test case but couldn’t reproduce:
@Test
public void testDuplicateMixedIndexQuery() {
final PropertyKey name = makeKey("name", String.class);
final PropertyKey prop =
Just created a simple test case but couldn’t reproduce:
@Test
public void testDuplicateMixedIndexQuery() {
final PropertyKey name = makeKey("name", String.class);
final PropertyKey prop =
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By
Boxuan Li
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#5585
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Re: Authentication All the Schema's
Hi Marc,
Thank You for the update. Authentication to the graph system as a whole is also not working for me for the configurations shared earlier. If I don't pass credentials then still API is
Hi Marc,
Thank You for the update. Authentication to the graph system as a whole is also not working for me for the configurations shared earlier. If I don't pass credentials then still API is
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By
Vinayak Bali
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#5584
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Re: Authentication All the Schema's
Hi Vinayak,
No, this is not possible. TinkerPop/JanusGraph currently only support authentication to the graph system as a whole and do not support authorization. Later this year, the Apache TinkerPop
Hi Vinayak,
No, this is not possible. TinkerPop/JanusGraph currently only support authentication to the graph system as a whole and do not support authorization. Later this year, the Apache TinkerPop
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By
hadoopmarc@...
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#5583
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Re: Open instances
We once had a short discussion about that over on the old mailing list. Sadly, we did not find a quick solution there. However, seeing more people at least confirms that it does not only occur due to
We once had a short discussion about that over on the old mailing list. Sadly, we did not find a quick solution there. However, seeing more people at least confirms that it does not only occur due to
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By
rngcntr
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#5582
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Authentication All the Schema's
Hi,
Working on a web application using Janusgraph. We are connecting to Janusgraph using API(Java). Need to configure authentication to all the schema in use. Configured the authentication by using
Hi,
Working on a web application using Janusgraph. We are connecting to Janusgraph using API(Java). Need to configure authentication to all the schema in use. Configured the authentication by using
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By
Vinayak Bali
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#5581
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Re: Issues with controlling partitions when using Apache Spark
Just a quick info: I opened an issue for this and did some additional research. See https://github.com/JanusGraph/janusgraph/issues/2420 for more details.
Just a quick info: I opened an issue for this and did some additional research. See https://github.com/JanusGraph/janusgraph/issues/2420 for more details.
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By
Mladen Marović
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#5580
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Re: reindex job is very slow on ElasticSearch and BigTable
Hi,
No, MixedIndex should be fine. Can you show the code lines that define the index for the maid property key? Possibly, the index is restricted to a specific label so you have to
Hi,
No, MixedIndex should be fine. Can you show the code lines that define the index for the maid property key? Possibly, the index is restricted to a specific label so you have to
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By
hadoopmarc@...
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#5579
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Re: Open instances
Hi,
Good that you noticed this!
Some explanation and the cure can be found at:
https://docs.janusgraph.org/advanced-topics/recovery/#janusgraph-instance-failure
Best wishes, Marc
Hi,
Good that you noticed this!
Some explanation and the cure can be found at:
https://docs.janusgraph.org/advanced-topics/recovery/#janusgraph-instance-failure
Best wishes, Marc
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By
hadoopmarc@...
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#5578
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