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FWIW I've tried exporting the graph in the example to JSON (GraphSON) and the metaproperty *is* preserved, however when I import the same graph from the json file the metaproperty is not created.

By Laura Morales <lauretas@...> · #6114 ·

Re: graphml properties of properties

Thank you for this example. After running this, I can see that the property "metatest" has been ignored and is missing completely from the GraphML output. Another issue that I have with GraphML is

By Laura Morales <lauretas@...> · #6113 ·

Re: graphml properties of properties

Hi Laura, No. As the TinkerPop docs say: "graphML is a lossy format". You can try for yourself with:Best wishes, Marc

By hadoopmarc@... · #6112 ·

Too low Performance when running PageRank and WCC on Graph500

Hi there, Recently I am trying to measure Janusgraph performance. When I was trying to run benchmark using Janusgraph 0.5.3, I found too low performance when testing pagerank and wcc. The code I used

By shepherdkingqsp@... · #6111 ·

Re: Fail to load complete edge data of Graph500 to Janusgraph 0.5.3 with Cassandra CQl as storage backends

HI Marc, I have tried it. And finally I got complete Graph500 vertices and edges loaded. But there is a still weird thing that I found the same exception reported in the log. Could you please explain

By shepherdkingqsp@... · #6110 ·

Re: Not able to enable Write-ahead logs using tx.log-tx for existing JanusGraph setup

Hi Boxuan, Thank you for the response. I tried by forceClosing all management instances except the current one before setting "tx.log-tx". Management is getting updated with latest value, this is not

By Radhika Kundam · #6109 ·

Re: org.janusgraph.diskstorage.PermanentBackendException: Read 1 locks with our rid but mismatched timestamps

Hi Mark, Thanks for the suggestions. Narrowed down the issue to JanusGraph's support for Azul Prime JDK 8, which generates nanosecond precision for Instant.now() API, as compared to the millisecond

By Ronnie · #6108 ·

Re: Fail to load complete edge data of Graph500 to Janusgraph 0.5.3 with Cassandra CQl as storage backends

On Tue, Aug 24, 2021 at 06:20 AM, <hadoopmarc@...> wrote: withGot it. I will try it soon. Thanks, Marc! Shipeng

By shepherdkingqsp@... · #6107 ·

Re: Fail to load complete edge data of Graph500 to Janusgraph 0.5.3 with Cassandra CQl as storage backends

Hi Shipeng Qi, The system that you use might be too small for the number of threads in the loading code. You can try to decrease the number of threads from 8 to 4 with: private static ExecutorService

By hadoopmarc@... · #6106 ·

Re: Not able to enable Write-ahead logs using tx.log-tx for existing JanusGraph setup

I suspect this is due to stale management instances. Check out https://developer.ibm.com/articles/janusgraph-tips-and-tricks-pt-2/#troubleshooting-indexes and see if it helps.

By Boxuan Li · #6105 ·

Fail to load complete edge data of Graph500 to Janusgraph 0.5.3 with Cassandra CQl as storage backends

Hi there, I am new to Janusgraph. I have some problems in loading data to Janusgraph with Cassandra CQL as storage backend. When I tried to load Graph500 to Janusgraph, planning to run benchmark on

By shepherdkingqsp@... · #6104 ·

Re: Not able to enable Write-ahead logs using tx.log-tx for existing JanusGraph setup

Hi Boxuan,For existing JanusGraph setup, I am updating tx.log-tx configuration by setting management system property as mentioned in

By Radhika Kundam · #6103 ·

Re: Wait the mixed index backend

Thank you, this is exactly what I look for.

By toom@... · #6102 ·

Re: Wait the mixed index backend

Hi Toom, Do you want to ALWAYS make sure the vertex is indexed? If so and if you happen to use Elasticsearch, you can set See

By Boxuan Li · #6101 ·

Wait the mixed index backend

Hello, The vertex that has just been created are not immediately available on mixed index (documented here [1]). I'm looking for a way to make sure the vertex is indexed, by waiting the mixed index

By toom@... · #6100 ·

graphml properties of properties

Janus supports "properties of properties", ie. properties defined on other properties. How is this represented with graphml? Should I use nested elements like this <node> <data

By Laura Morales <lauretas@...> · #6099 ·

Re: Release vs full release?

janusgraph-full includes Gremlin Server

By hadoopmarc@... · #6098 ·

Release vs full release?

What is the difference between janusgraph-<version>.zip and janusgraph-full-<version>.zip?

By Laura Morales <lauretas@...> · #6097 ·

Re: graphml <edge> inside <node>

Hi Laura, Your assumption about ordering of nodes and edges is correct, see the warning at: https://tinkerpop.apache.org/docs/current/reference/#graphml For your use case it seems that you can simply

By hadoopmarc@... · #6096 ·

Re: org.janusgraph.diskstorage.PermanentBackendException: Read 1 locks with our rid but mismatched timestamps

Hi Ronnie No idea what is going on here, but just being pragmatic: the bin/janusgraph.sh script starts Cassandra, Elasticsearch and Gremlin Server using the conf/janusgraph-cql-es.conf graph

By hadoopmarc@... · #6095 ·

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