Hi Joe, The section in the blog "When Predicate Pushdown Fails" shows that you definitely have to include the edge label, so: .inE('your-label') Best wishes, Marc

Hi Joe, Can you take a look at this blog from Boxuan Li: https://li-boxuan.medium.com/janusgraph-deep-dive-part-3-speed-up-edge-queries-3b9eb5ba34f8 In general, it is better to use the TinkerPop API s

Probably, janusgraph and tinkerpop versions got mixed up. If you use maven, can you show the janusgraph dependencies you used in the pom.xml (and tinkerpop if present in the pom.xml). Best wishes, Mar

Hi Yingjie, The JanusGraph and TinkerPop code only explicitly depend on slfj4j, so you can choose the logging implementation. you want You can simply remove the log4j-1.2.17.jar from the lib folder of

OK, I repeated the experiment and got "0 1" again, so I expand on what I did. I use the janusgraph-0.6.2 full binary distribution and start cassandra and elasticsearch with: $ bin/janusgraph.sh start

Thanks for bringing this up. Indeed, managing custom images is a barrier that you sometimes want to avoid. Can you give the runtime configuration of the standard image a try and report back where this

Hi inverseintegral, You have been quite succesful as a test driver, that is detecting easily reproducible issues! The current issue seems more like an issue of undefined behaviour, rather than an issu

I assume you reposted this inadvertenly? I saw you created issue https://github.com/JanusGraph/janusgraph/issues/3146 to document this inconvenience. Thanks, Marc

OK, good catch, it is a bug. I had not recognized Long.MAX_VALUE in your query. The LuceneIndex class converts the neq to a range query and adds + 1 to the requested value without any check. The write

I am not sure what the trouble is in your approach. Using variable names key and label might be problematic (it is in the Gremlin Console). Rather than building out your example, I chose to rework the

Unfortunately, JanusGraph does not support basic authentication on its SOLR client yet, see https://github.com/JanusGraph/janusgraph/issues/1056 Before finding this JanusGraph issue, I came across the

I agree. If you start out with an empty graph, the Lucene index is not created until you add the first vertex. It is not easy to find why Lucene would only allow alphanumeric characters for names of i

Are you sure the JanusGraph hadoop-2.x clients cannot be used with your hadoop-3.x cluster? See: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/Compatibility.html#Policy Marc

Hi Anjani, Does hdfs work from the Gremlin Console? See the example at: https://tinkerpop.apache.org/docs/current/reference/#_installing_hadoop_gremlin https://tinkerpop.apache.org/docs/current/refere

Hi Joe, You do not describe whether breaking this rule of thumb causes real performance issues in your case. Anyway, JanusGraph allows you to partition the stored edges of a node, see: https://docs.ja

Hi Joe, Do you mean with threadsafe transactions that requests from different client threads should be handled independently, that is in different JanusGraph Transactions? In that case, I think you wa

Great stuff! Is is really motivating to gain a much deeper understanding of the JanusGraph inner workings and get practical advice at the same time. Marc

Hi Nikita, Do you use the spark web UI? In the executor tab you can follow the stderr link and see any logged or printed output. No idea why they use stderr. Best wishes, Marc

Hi Senthilkumar, I remember the Gremlin.version() output of 1.2.1 in the gremlin console of the janusgraph distribution is a bug somewhere. You can look in the lib folder and see that janusgraph-0.6.1

Hi Senthilkumar, Sounds like the "getting started deployment scenario", see https://docs.janusgraph.org/operations/deployment/#getting-started-scenario JanusGraph servers only need to have the exact s