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Re: Hadoop and MixedIndexes
Answering my own question, BulkLoaderVertexProgram uses a nested instance of a graph in each worker to do the trick.
Answering my own question, BulkLoaderVertexProgram uses a nested instance of a graph in each worker to do the trick.
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By
Marcelo Freitas <marcel...@...>
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#222
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Re: Hadoop and MixedIndexes
ok, I got it now that the support GremlinHadoop will have to cassandra is as a reader.
So, what is the recommended way to persist this data back to the cassandra/elasticsearch cluster?
ok, I got it now that the support GremlinHadoop will have to cassandra is as a reader.
So, what is the recommended way to persist this data back to the cassandra/elasticsearch cluster?
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By
Marcelo Freitas <marcel...@...>
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#221
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Re: Production Readyness
Collin,
We are using JanusGraph in production where I work (for about 1 or 2 weeks now, before that we used Titan) and I know other companies that still uses Titan in their production environment. So
Collin,
We are using JanusGraph in production where I work (for about 1 or 2 weeks now, before that we used Titan) and I know other companies that still uses Titan in their production environment. So
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By
Marcelo Freitas <marcel...@...>
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#220
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Hadoop and MixedIndexes
Hello there,
This might be a stupid question, but when running tasks in Hadoop do we have access to the index backend?
If no, what happens when we run something like the PageRankVertexProgram and the
Hello there,
This might be a stupid question, but when running tasks in Hadoop do we have access to the index backend?
If no, what happens when we run something like the PageRankVertexProgram and the
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By
Marcelo Freitas <marcel...@...>
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#219
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Re: Scala 2.10 vs. 2.11 build of Janus?
Hi Raj,
Do you need Janusgraph's OLAP part? If not, you might probably succeed in your scala 2.11 project if you simply exclude tinkerpop spark-gremlin from your janusgraph dependency. Note, I did
Hi Raj,
Do you need Janusgraph's OLAP part? If not, you might probably succeed in your scala 2.11 project if you simply exclude tinkerpop spark-gremlin from your janusgraph dependency. Note, I did
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By
HadoopMarc <m.c.d...@...>
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#218
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Re: Scala 2.10 vs. 2.11 build of Janus?
You say it would take some work. Do you have a ballpark estimate my customer can use for planning? Presumably, when Tinkerpop 3.3 snapshots get to "candidate" stage, you start tooling for them. After
You say it would take some work. Do you have a ballpark estimate my customer can use for planning? Presumably, when Tinkerpop 3.3 snapshots get to "candidate" stage, you start tooling for them. After
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By
Jamie Lawson <jamier...@...>
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#217
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Re: org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are availa
Sounds like ES is not started or cannot connect. Are you using `bin/janusgraph.sh start` or do you have a standalone ES deployed?
I'd suggest double checking the IP and port that ES is listening on,
Sounds like ES is not started or cannot connect. Are you using `bin/janusgraph.sh start` or do you have a standalone ES deployed?
I'd suggest double checking the IP and port that ES is listening on,
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By
Jason Plurad <plu...@...>
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#216
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org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are availa
I want to load GraphOfTheGodsFactory using cassandra & es.
It is giving me this exception when i try to do gremlin> graph =
I want to load GraphOfTheGodsFactory using cassandra & es.
It is giving me this exception when i try to do gremlin> graph =
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By
SY <sahithiy...@...>
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#215
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Re: index could no longer be used
Sorry! I found it's my own fault.
The property is a String type, and is a mixed index.
while this went wrong,
gremlin> g.E().has('contents','hdfs').values()
Could not find a suitable index to
Sorry! I found it's my own fault.
The property is a String type, and is a mixed index.
while this went wrong,
gremlin> g.E().has('contents','hdfs').values()
Could not find a suitable index to
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By
jme...@...
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#214
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Someone should do a talk on JanusGraph at the London Opensource Graph Technologies meetup
Hi everyone,
The Opensource Graph Technologies meetup community in London has been nicely growing the past few months! We've been organising it (GRAKN.AI) and we've had cool talks from people Apache
Hi everyone,
The Opensource Graph Technologies meetup community in London has been nicely growing the past few months! We've been organising it (GRAKN.AI) and we've had cool talks from people Apache
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By
Haikal Pribadi <hai...@...>
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#213
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Re: Who is using JanusGraph in production?
Here's a recent one: https://twitter.com/CELUM/status/857934890934964225
Here's a recent one: https://twitter.com/CELUM/status/857934890934964225
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By
Misha Brukman <mbru...@...>
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#212
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Re: index could no longer be used
FYI, the Titan mailing list is here.
What does your index definition look like?Are you using JanusGraph or is this a problem you can recreate on JanusGraph?
FYI, the Titan mailing list is here.
What does your index definition look like?Are you using JanusGraph or is this a problem you can recreate on JanusGraph?
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By
Jason Plurad <plu...@...>
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#211
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Re: possible id conflicts when migrating from Titan to Janus
This issue has been reported https://github.com/JanusGraph/janusgraph/issues/228
Please follow the discussion there.
This issue has been reported https://github.com/JanusGraph/janusgraph/issues/228
Please follow the discussion there.
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By
Jason Plurad <plu...@...>
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#210
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Re: TimedOutException
cqlsh communicates using CQL interface, but JanusGraph uses Thrift. I'd suggest double checking that the RPC settings (rpc_address, rpc_port) in cassandra.yaml match what you have in
cqlsh communicates using CQL interface, but JanusGraph uses Thrift. I'd suggest double checking that the RPC settings (rpc_address, rpc_port) in cassandra.yaml match what you have in
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By
Jason Plurad <plu...@...>
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#209
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Re: Production Readyness
Hi Collin,
I'm not aware of what "level of testing and rigor that went into the 1.0 release of Titan". The version is just a number, and I wouldn't get too hung up on it if you've tested it in your
Hi Collin,
I'm not aware of what "level of testing and rigor that went into the 1.0 release of Titan". The version is just a number, and I wouldn't get too hung up on it if you've tested it in your
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By
Jason Plurad <plu...@...>
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#208
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possible id conflicts when migrating from Titan to Janus
We have a Titan instance running on Cassandra.
When migrating from Titan to Janus, a new table "titan.janusgraph_ids" is generated. Does this table respect the existing "titan.titan_ids" in terms of
We have a Titan instance running on Cassandra.
When migrating from Titan to Janus, a new table "titan.janusgraph_ids" is generated. Does this table respect the existing "titan.titan_ids" in terms of
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By
chr...@...
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#207
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TimedOutException
When I try to open a graph, I am constantly getting the TimeOutExceptions. My Cassandra Cluster is fine and I was able to use cqlsh with no issues. Are there any Thrift settings that need to be
When I try to open a graph, I am constantly getting the TimeOutExceptions. My Cassandra Cluster is fine and I was able to use cqlsh with no issues. Are there any Thrift settings that need to be
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By
Gwiz <feed...@...>
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#206
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Re: Titan to JanusGraph migration Elasticsearc| "janusgraph" index is created and used , not titan
I tried this with Cassandra + Embedded Elastic configuration. It works there as well, however one has to add configuration to use "titan" keyspace name.
storage.cassandra.keyspace=titan
In this case
I tried this with Cassandra + Embedded Elastic configuration. It works there as well, however one has to add configuration to use "titan" keyspace name.
storage.cassandra.keyspace=titan
In this case
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By
Akshaya Rawat <akshay...@...>
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#205
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Re: Titan to JanusGraph migration Elasticsearc| "janusgraph" index is created and used , not titan
This solutions worked for me. Commit had to be done after the force closure.
JanusGraphManagement jMgmt = jGraph.openManagement();
Set<String> open = jMgmt.getOpenInstances();
for (String string :
This solutions worked for me. Commit had to be done after the force closure.
JanusGraphManagement jMgmt = jGraph.openManagement();
Set<String> open = jMgmt.getOpenInstances();
for (String string :
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By
Akshaya Rawat <akshay...@...>
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#204
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index could no longer be used
Hello:
I'm using titan with hbase and elasticsearch, all was ok at first, but yesterday when I was searching as usual, it worn
Could not find a suitable index to answer graph query and graph
Hello:
I'm using titan with hbase and elasticsearch, all was ok at first, but yesterday when I was searching as usual, it worn
Could not find a suitable index to answer graph query and graph
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By
Jhon Mernio <jzi...@...>
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#203
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