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JanusGraph Management keeps force-closed instances as "open"
4 messages
Hello there, in our team, we recently encountered a behavior of the JanusGraph management system, that we didn't expect. Scenario: We have some (currently 24) JanusGraph instances running in a Docker
Hello there, in our team, we recently encountered a behavior of the JanusGraph management system, that we didn't expect. Scenario: We have some (currently 24) JanusGraph instances running in a Docker
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By
f.gri...@...
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Could not connect gremlin client to gremlin server.
Hi, Do any one know how to resolve below issue. I am running JG docker in k8s deployment and passed config files using configmap. After running ./gremlin.sh facing below issue. output of bin/gremlin.s
Hi, Do any one know how to resolve below issue. I am running JG docker in k8s deployment and passed config files using configmap. After running ./gremlin.sh facing below issue. output of bin/gremlin.s
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By
Shubham Mahajan
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Index on subquery not working
4 messages
Hi, I do have a graph with about 1 million vertexes and a many to many relation between those vertexes. The vertexes are I created a mixed index management.buildIndex(indexName, Vertex.class) .addKey(
Hi, I do have a graph with about 1 million vertexes and a many to many relation between those vertexes. The vertexes are I created a mixed index management.buildIndex(indexName, Vertex.class) .addKey(
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By
Veerle
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reindex using mapreduce failed
Hi all, Recently I use mapreduce to reindex janusgraph, storage on cassandrathrift, cql and hbase. Storage on hbase succeed, but cql and cassandrathrift failed, exception like below. Anyone succeed in
Hi all, Recently I use mapreduce to reindex janusgraph, storage on cassandrathrift, cql and hbase. Storage on hbase succeed, but cql and cassandrathrift failed, exception like below. Anyone succeed in
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By
朱俊熹
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Best (Correct?) Way to Access JanusGraph Remotely
4 messages
Hello, I am in the process of building a Java, RPC server that takes in multi-threaded requests, queries the database and returns a result to the client. I understand JanusGraph allows concurrent tran
Hello, I am in the process of building a Java, RPC server that takes in multi-threaded requests, queries the database and returns a result to the client. I understand JanusGraph allows concurrent tran
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By
zbec...@...
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HA about janusGraph
8 messages
Hi JanusGraph users, If I have a cassandra cluster with 4 machines, what should I configure the 'storage.hostname' as to make the most HA? This is my configuration now: storage.hostname = 172.1.1.1, 1
Hi JanusGraph users, If I have a cassandra cluster with 4 machines, what should I configure the 'storage.hostname' as to make the most HA? This is my configuration now: storage.hostname = 172.1.1.1, 1
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By
Vayne Yang
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add SINGLE type edge for two partitioned vertex can not duplicate removal
- Janusgraph Version: 0.0.3 - Storage Backend: hbase 1.2.6 - Mixed Index Backend:elasticsearch 6.3.0 I have two partitioned vertex ,vertex id is 57402 and 30245090, and i defined a SIMPLE type edge na
- Janusgraph Version: 0.0.3 - Storage Backend: hbase 1.2.6 - Mixed Index Backend:elasticsearch 6.3.0 I have two partitioned vertex ,vertex id is 57402 and 30245090, and i defined a SIMPLE type edge na
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By
Moon Hu
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Can't add a vertex with long property value - ERROR Connection reset by peer
3 messages
When I add vertices (some property value length is very long) with java remote api, The client got a Exception: ava.util.concurrent.CompletionException: java.io.IOException: Connection reset by peer a
When I add vertices (some property value length is very long) with java remote api, The client got a Exception: ava.util.concurrent.CompletionException: java.io.IOException: Connection reset by peer a
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By
Kenn Falcon
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Could not launch JG docker with only cassandra as external storage bacjend and no indexing backend.
I dont understand how to stop JG to stop searching for elastic search as backend. Kindly help channelizer: org.apache.tinkerpop.gremlin.server.channel.WebSocketChannelizer graphs: { graph: /etc/opt/ja
I dont understand how to stop JG to stop searching for elastic search as backend. Kindly help channelizer: org.apache.tinkerpop.gremlin.server.channel.WebSocketChannelizer graphs: { graph: /etc/opt/ja
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By
Shubham Mahajan
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Operation cannot be executed because of the enclosing transaction is closed
I had encountered a problem when I executed a gremlin query. when I just changed the condition of "status" from "2" to "1", the query failed as while "status" is "1" queried normally, the error messag
I had encountered a problem when I executed a gremlin query. when I just changed the condition of "status" from "2" to "1", the query failed as while "status" is "1" queried normally, the error messag
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By
胡鑫
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Unexpected warning: MessagePuller configured with ReadMarker timestamp
Hi, During last week end, I had 4 independent servers with each single node janusgraph / cassandra cluster that have raised the following warnings. These warning have been raised nerly at the same tim
Hi, During last week end, I had 4 independent servers with each single node janusgraph / cassandra cluster that have raised the following warnings. These warning have been raised nerly at the same tim
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By
Nicolas Trangosi
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OLAP issues - gremlin query optimization
5 messages
Hi I am currently experimenting around with OLAP functionalities of gremlin (on Janusgraph). While I get simple queries to run like a charm, I am encountering issues with a slightly more complex case.
Hi I am currently experimenting around with OLAP functionalities of gremlin (on Janusgraph). While I get simple queries to run like a charm, I am encountering issues with a slightly more complex case.
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By
bobo...@...
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Janusgraph Authentication cannot create users
4 messages
Hi, I am actually trying to add authentication to Janusgraph. I am actually referring the link below https://docs.janusgraph.org/basics/server/#authentication-over-websocket below is may credentials D
Hi, I am actually trying to add authentication to Janusgraph. I am actually referring the link below https://docs.janusgraph.org/basics/server/#authentication-over-websocket below is may credentials D
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By
sparshneel chanchlani
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The use of vertex-centric index
5 messages
Hi JanusGraph team, I have created a vertex-centric indexes for vertices. As follows, now I want to use the index to get the information of the top 500 edges in descending sort. However, I find that t
Hi JanusGraph team, I have created a vertex-centric indexes for vertices. As follows, now I want to use the index to get the information of the top 500 edges in descending sort. However, I find that t
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By
张雅南
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when i use Janusgraph in Apache Atlas, i found an error
4 messages
hello i am new in JanusGraph. When i use Janusgraph in Apache Atlas, i found a question, the error is : Could not find a type identifier for the class : class org.apache.atlas.typesystem.types.DataTyp
hello i am new in JanusGraph. When i use Janusgraph in Apache Atlas, i found a question, the error is : Could not find a type identifier for the class : class org.apache.atlas.typesystem.types.DataTyp
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By
qiuqi...@...
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Java APIs for Create/Open/Drop graph using ConfiguredGraphFactory - janusgraph
2 messages
Hi JanusGraph team, We are exploring the possibility of janusgraph in our company. We are planning to use dynamic graph creation/deletion using ConfiguredGraphFactory. We have deployed 2 janusgraph in
Hi JanusGraph team, We are exploring the possibility of janusgraph in our company. We are planning to use dynamic graph creation/deletion using ConfiguredGraphFactory. We have deployed 2 janusgraph in
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By
"Anumodh N.K"
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Problem with 2 property keys (conflict with property keys ?)
Hi everyone, I have a problem with 2 property keys, named: "ex_value" String "feed_name"String I don't know why, on every vertices I created, ex_value property name is replaced by feed_name. >g.addV("
Hi everyone, I have a problem with 2 property keys, named: "ex_value" String "feed_name"String I don't know why, on every vertices I created, ex_value property name is replaced by feed_name. >g.addV("
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By
ALEX SEYMOUR
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BulkLoad error--can bulkload imports vertex without edges
2 messages
I use TinkerPop’s Hadoop-Gremlin to import data. Take grateful-dead.txt as an example, I want to import vertex without edges. But I get error like this, "java.util.NoSuchElementException".
I use TinkerPop’s Hadoop-Gremlin to import data. Take grateful-dead.txt as an example, I want to import vertex without edges. But I get error like this, "java.util.NoSuchElementException".
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By
姜明
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Unable to drop Remote JanusGraph
8 messages
Hi, I'm looking to drop a graph, but the JanusgraphFactory.drop(graph) doesn't work for me. I'm using JAVA to connect to the remote server and load/remove data. Using the below properties file for rem
Hi, I'm looking to drop a graph, but the JanusgraphFactory.drop(graph) doesn't work for me. I'm using JAVA to connect to the remote server and load/remove data. Using the below properties file for rem
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By
Dipen Jain
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Janusgraph with YARN and HBASE
3 messages
Hello, we have a Cluster with CLOUDERA CDH 6.3.2 and I'm trying to run Janusgraph on the Cluster with YARN and HBASE, but without success. (it's OK with SPARK Local) Version SPARK 2.4.2 HBASE: 2.1.0-c
Hello, we have a Cluster with CLOUDERA CDH 6.3.2 and I'm trying to run Janusgraph on the Cluster with YARN and HBASE, but without success. (it's OK with SPARK Local) Version SPARK 2.4.2 HBASE: 2.1.0-c
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By
Fábio Dapper
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