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Difference Between JanusGraph Server and Embedded JanusGraph in Java
2 messages
I've seen a lot of discussion about the benefits and such of both implementations but I was wondering if there was a big difference in terms of resource usage? I'm building an API service that will be
I've seen a lot of discussion about the benefits and such of both implementations but I was wondering if there was a big difference in terms of resource usage? I'm building an API service that will be
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By
Zach B.
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Getting org.janusgraph.graphdb.database.idassigner.IDPoolExhaustedException consistently
2 messages
Hi I am getting the below exception while ingesting data to an existing graph Job aborted due to stage failure: Task 349 in stage 2.0 failed 10 times, most recent failure: Lost task 349.9 in stage 2.0
Hi I am getting the below exception while ingesting data to an existing graph Job aborted due to stage failure: Task 349 in stage 2.0 failed 10 times, most recent failure: Lost task 349.9 in stage 2.0
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By
sauverma
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Backend data model deserialization
5 messages
Hello, Is there any supported way (e.g. a class/API) for deserializing raw data model rows, i.e. to get from raw Bigtable bytes to Vertex/edge list objects (in Java)? https://docs.janusgraph.org/advan
Hello, Is there any supported way (e.g. a class/API) for deserializing raw data model rows, i.e. to get from raw Bigtable bytes to Vertex/edge list objects (in Java)? https://docs.janusgraph.org/advan
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By
Elliot Block
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ID block allocation exception while creating edge
12 messages
Hi All, I am creating vertex and edges in bulk and getting below error while creating edge. Below is the exception log: Cluster edge creation failed between guest node 20369408030929128 and identifier
Hi All, I am creating vertex and edges in bulk and getting below error while creating edge. Below is the exception log: Cluster edge creation failed between guest node 20369408030929128 and identifier
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By
anjanisingh22@...
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Making janus graph client to not use QUORUM
3 messages
Hi All, I am trying to create nodes in graph and while reading created node id i am getting below exception: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend
Hi All, I am trying to create nodes in graph and while reading created node id i am getting below exception: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend
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By
anjanisingh22@...
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MapReduce reindexing with authentication
7 messages
We have been using a yarn cluster to run MapReduce reindexing (Cassandra + Elasticsearch) for a long time. Recently, we introduced Kerberos-based authentication to the Elasticsearch cluster, meaning t
We have been using a yarn cluster to run MapReduce reindexing (Cassandra + Elasticsearch) for a long time. Recently, we introduced Kerberos-based authentication to the Elasticsearch cluster, meaning t
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By
Boxuan Li
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JanusGraph Meetup #4 Recording
Hello, Thanks to all who attended the meetup yesterday. If you weren't able to make it, you can find the recording at: https://www.experoinc.com/online-seminar/janusgraph-community-meetup. Thanks to o
Hello, Thanks to all who attended the meetup yesterday. If you weren't able to make it, you can find the recording at: https://www.experoinc.com/online-seminar/janusgraph-community-meetup. Thanks to o
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By
Ted Wilmes
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Query Optimisation
16 messages
Hi All, g.inject(1).union(V().has('property1', 'vertex1').as('v1').union(outE().has('property1', 'edge1').as('e').inV().has('property1', 'vertex1'),outE().has('property1', 'edge2').as('e').inV().has('
Hi All, g.inject(1).union(V().has('property1', 'vertex1').as('v1').union(outE().has('property1', 'edge1').as('e').inV().has('property1', 'vertex1'),outE().has('property1', 'edge2').as('e').inV().has('
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By
Vinayak Bali
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[janusgraph-dev] [Meetup] JanusGraph Meetup May 18 covering JG OLAP approaches
3 messages
Hi Ted, Thanks for organizing this! Do you have plans to record & release the video after the meetup? 10:30 ET is a bit late for some regions in APAC, so it would be great if there would be a video re
Hi Ted, Thanks for organizing this! Do you have plans to record & release the video after the meetup? 10:30 ET is a bit late for some regions in APAC, so it would be great if there would be a video re
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By
Boxuan Li
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Storing and reading connected component RDD through OutputFormatRDD & InputFormatRDD
2 messages
Hi All, I am using connected component vertex program to find all the connected nodes in graph and then using that RDD for further processing in graph. I want to store that RDD at some output location
Hi All, I am using connected component vertex program to find all the connected nodes in graph and then using that RDD for further processing in graph. I want to store that RDD at some output location
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By
anjanisingh22@...
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[Meetup] JanusGraph Meetup May 18 covering JG OLAP approaches
Hello, We will be hosting a community meetup next week on Tuesday, May 18th at 9:30 central/10:30 eastern. We have a great set of speakers who will be discussing all things JanusGraph OLAP: * Hadoop M
Hello, We will be hosting a community meetup next week on Tuesday, May 18th at 9:30 central/10:30 eastern. We have a great set of speakers who will be discussing all things JanusGraph OLAP: * Hadoop M
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By
Ted Wilmes
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Multiple entries with same key on mixed index
Hello, I encounter the error describe in the issue #1916 (https://github.com/JanusGraph/janusgraph/issues/1916) on a mixed index (lucene). When I list property keys of the index, they are all duplicat
Hello, I encounter the error describe in the issue #1916 (https://github.com/JanusGraph/janusgraph/issues/1916) on a mixed index (lucene). When I list property keys of the index, they are all duplicat
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By
toom@...
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Support for DB cache for Multi Node Janus Server Setup
3 messages
Hi All, I would like to understand the possibility of horizontal scaling of janusgraph servers while keeping the cache enabled. Based on the janusgraph document - https://docs.janusgraph.org/basics/ca
Hi All, I would like to understand the possibility of horizontal scaling of janusgraph servers while keeping the cache enabled. Based on the janusgraph document - https://docs.janusgraph.org/basics/ca
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By
pasansumanathilake@...
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Not able to run queries using spark graph computer from java
6 messages
Hi, I am getting the following error when running queries using spark graph computer from java. Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: Edge with id already exists:
Hi, I am getting the following error when running queries using spark graph computer from java. Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: Edge with id already exists:
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By
Sai Supraj R
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olap connection with spark standalone cluster
7 messages
Hi everyone, I downloaded a fresh spark binary relaese (spark-2.4.0-hadoop2.7) and set the master to spark://127.0.0.1:7077. I then started all services via $SPARK_HOME/sbin/start-all.sh. I checked th
Hi everyone, I downloaded a fresh spark binary relaese (spark-2.4.0-hadoop2.7) and set the master to spark://127.0.0.1:7077. I then started all services via $SPARK_HOME/sbin/start-all.sh. I checked th
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By
Lilly
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Any advice on performance concern of JanusGraph with Cassandra&Elastic Search?
3 messages
Hi everyone, We are working on a project that we would like to use JanusGraph. Our system will consist of 100MM nodes and 1B edges between those nodes. We are going to work with last 90 days data.Syst
Hi everyone, We are working on a project that we would like to use JanusGraph. Our system will consist of 100MM nodes and 1B edges between those nodes. We are going to work with last 90 days data.Syst
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By
hazalkecoglu@...
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Backup & Restore of Janusgraph Data with Mixed Index Backend (Elastisearch)
10 messages
Hi, what is the recommended approach for backing up the Janusgraph storage layer (ScyllaDB in my case) together with a mixed index backend (Elasticsearch)? I know I can back up & restore them separate
Hi, what is the recommended approach for backing up the Janusgraph storage layer (ScyllaDB in my case) together with a mixed index backend (Elasticsearch)? I know I can back up & restore them separate
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By
florian.caesar
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Configured graph factory not working after making changes to gremlin-server.yaml
12 messages
I am trying to use configured graph factory. i made changes to gremlin-server.yaml and configuration-management.properties. I am getting the following error. gremlin> :remote connect tinkerpop.server
I am trying to use configured graph factory. i made changes to gremlin-server.yaml and configuration-management.properties. I am getting the following error. gremlin> :remote connect tinkerpop.server
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By
Sai Supraj R
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Transaction Cache vs. DB Cache Questions
4 messages
Hello! I am currently working on a project that computes a 2 hop query for several million vertices. In order to speed up these queries I would like to utilize caching but I am having some trouble fin
Hello! I am currently working on a project that computes a 2 hop query for several million vertices. In order to speed up these queries I would like to utilize caching but I am having some trouble fin
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By
Joseph Kesting
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Mapreduce index repair job fails in Kerberos+SSL enabled cluster
2 messages
Hi All, I'm trying to run index repair job through mapreduce in a Kerberos+SSL enabled cluster. I have added all required hbase and hadoop configurations but getting the below exception in mapreduce l
Hi All, I'm trying to run index repair job through mapreduce in a Kerberos+SSL enabled cluster. I have added all required hbase and hadoop configurations but getting the below exception in mapreduce l
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By
shivainfotech12@...
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