rexster

How to delete graph in Titan with Cassandra storage backend?

∥☆過路亽.° 提交于 2019-12-04 19:12:06
问题 I use Titan 0.4.0 All, running Rexster in shared VM mode on Ubuntu 12.04. How could I properly delete a graph in Titan which is using the Cassandra storage backend? I have tried the TitanCleanup.clear(graph) , but it does not delete everything. The indices are still there. My real issue is that I have an index which I don't want (it crashes every query), however as I understand Titan's documentation it is impossible to remove an index once it is created. 回答1: You can clear all the edges

How to delete graph in Titan with Cassandra storage backend?

纵然是瞬间 提交于 2019-12-03 12:27:41
I use Titan 0.4.0 All, running Rexster in shared VM mode on Ubuntu 12.04. How could I properly delete a graph in Titan which is using the Cassandra storage backend? I have tried the TitanCleanup.clear(graph) , but it does not delete everything. The indices are still there. My real issue is that I have an index which I don't want (it crashes every query), however as I understand Titan's documentation it is impossible to remove an index once it is created . You can clear all the edges/vertices with: g.V.remove() but as you have found that won't clear the types/indices previously created. The

How to start Titan graph server and connect with gremlin?

和自甴很熟 提交于 2019-11-30 12:47:14
问题 I've been playing with Titan graph server for a while now. And my feeling is that, despite an extensive documentation, there is a lack of Getting started from scratch tutorial . My final goal is to have a titan running on cassandra and query with StartTheShift/thunderdome. I have seen few ways of starting Titan: Using Rexster from this link, I was able to run a titan server with the following steps: download rexster-server 2.3 download titan 0.3.0 copy all files from titan-all-0.3.0/libs to

How to start Titan graph server and connect with gremlin?

谁说我不能喝 提交于 2019-11-30 03:08:21
I've been playing with Titan graph server for a while now. And my feeling is that, despite an extensive documentation, there is a lack of Getting started from scratch tutorial . My final goal is to have a titan running on cassandra and query with StartTheShift/thunderdome . I have seen few ways of starting Titan: Using Rexster from this link , I was able to run a titan server with the following steps: download rexster-server 2.3 download titan 0.3.0 copy all files from titan-all-0.3.0/libs to rexster-server-2.3.0/ext/titan edit rexster-server-2.3.0/rexster.xml and add (between a ): <graph>