janusgraph-users@lists.lfaidata.foundation

Home Messages Hashtags Subgroups Calendar

Messages

Topics Expanded

Between

and

Re: JanusGraph meetup topic discussion - graph OLAP & algorithms

Hi Ted, Saw these two interesting threads on the dev list the other

By hadoopmarc@... · #5673 ·

Question on Design and Suitability of janus graph

We are embarking on a new initiative and wanted to get community inputs if using Janus Graph is a good fit. Any alternative suggestions also welcome. New records are added regularly. Assume every

By Basanth Gowda <basanth.gowda@...> · #5672 ·

Re: Authentication in JanusGraph Server

Issue report: https://github.com/JanusGraph/janusgraph/issues/2504

By hadoopmarc@... · #5671 ·

Re: Authentication in JanusGraph Server

Hi Graham, This was certainly one to investigate for the weekend. Where you started investigating from the inside of janusgraph, I started from the user perspective and this is what I did: I

By hadoopmarc@... · #5670 ·

Re: How to circumvent transaction cache?

Hi Timon, Adding to the answer of Ted, I can imagine that your new data enter your pipeline from a Kafka queue. With a microbatching solution, e.g. Apache Spark streaming, you could pre-shuffle your

By hadoopmarc@... · #5669 ·

Re: How to circumvent transaction cache?

Hi Timon, As I mentioned earlier, the only way I can think of (assuming you are not concerned about the consistency of data storage as Ted mentioned) is to modify JanusGraph source code: In

By Boxuan Li · #5668 ·

Re: How to circumvent transaction cache?

Hi Timon, Jumping in late on this one but I wanted to point out that even if you could read it prior to committing to check if your constraint is maintained, most of the JG storage layers do not

By Ted Wilmes · #5667 ·

Re: How to circumvent transaction cache?

Thanks for your suggestion, but the consistency setting does not solve my problem.

By timon.schneider@... · #5666 ·

Re: How to circumvent transaction cache?

Hi Simon, It seems that you can force JG to re-read elements just before commit according to https://docs.janusgraph.org/advanced-topics/eventual-consistency/#data-consistency I have never try the

By Nicolas Trangosi <nicolas.trangosi@...> · #5665 ·

Re: How to circumvent transaction cache?

Thanks for your reply. The issue is that we need to refresh some vertices mid transaction. Rolling back is not an option as that would erase edits that we're making in our transaction. Disabling

By timon.schneider@... · #5664 · Edited

Re: Authentication in JanusGraph Server

Hi @hadoopmarc, Thanks for replying and no apology needed - it's a good question. Although I failed to mention it in my question, I did set the credentials to ('graham','sass-password') in the

By grahamwallis.dev@... · #5663 ·

Re: how to delete Ghost vertices and ghost edges?

See if this helps: https://lists.lfaidata.foundation/g/janusgraph-users/message/5615 「<vamsi.lingala@...>」在 2021年3月4日週四，下午4:42 寫道：

By Boxuan Li · #5662 ·

Re: How to circumvent transaction cache?

Hi Timon, I don’t even think you will be able to disable tx-cache by using createThreadedTx(), or equivalently, newTransaction()/buildTransaction(). Unfortunately, as long as your transaction is not

By Boxuan Li · #5661 ·

how to delete Ghost vertices and ghost edges?

gremlin> g.V(6389762617560).valueMap() ==>{} gremlin> gremlin> g.V().hasLabel("MAID").has("madsfid","sfmsdlk").outE("MAIH1").as("e").inV().as("v").select("e", "v").by(valueMap()) ==>{e={},

By vamsi.lingala@... · #5660 ·

Re: Gremlin Query to return count for nodes and edges

Hi Marc, The backend used is Cassandra. I was just wondering if we can load the data from Cassandra's data store to the in-memory backend to speed up the process. I tried OLAP by configuring Hadoop

By Vinayak Bali · #5659 ·

Re: Authentication in JanusGraph Server

Sorry for asking, but you did not state it explicitly: you did modify your sasl-remote.yaml file to reflect the new ('graham', 'sasl-password') credentials, did you? Marc

By hadoopmarc@... · #5658 ·

Authentication in JanusGraph Server

Hi, I've been trying to use authentication over a websocket connection to a JanusGraph Server. If I configure the server to use a SimpleAuthenticator and a TinkerGraph for the credentials, as

By Graham Wallis <grahamwallis.dev@...> · #5657 ·

How to circumvent transaction cache?

Our application has transactions editing many vertices representing elements of a branch. This branch is also represented by a vertex that has boolean property isPublished. Before committing such a

By timon.schneider@... · #5656 ·

Re: Not able to reindex with bigtable as backend

The vertex centric index is written to the storage backend, so I guess the section on write performance configs should be

By hadoopmarc@... · #5655 ·

Re: Not able to reindex with bigtable as backend

Thanks a lot for your reply Marc. I browsed through the older threads and didn't find a good solution for this. "BigTable cannot keep up with your index repair workers" - could you provide a little

By liqingtaobkd@... · #5654 ·

1061 - 1080 of 6733

Home Hashtags Subgroups Calendar Terms