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Questions tagged [nebula-graph]

NebulaGraph is an open source graph database solution. Use this tag for any questions that relate to using NebulaGraph as the database of your project. Any bugs or feature requests should be reported through the Nebula Graph GitHub issue tracker.

NebulaGraph is an open-source distributed graph database solution.

Use this tag for any questions relating to using NebulaGraph as your project's graph database. Any bugs or feature requests should be reported through the NebulaGraph GitHub issue tracker.

Find more about NebulaGraph Database at:

274 questions
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How to resolve the error: There are 0 NebulaGraph Analytics available?

When I used NebulaGraph Explorer, I expected to use workflow, but the task was executed with this error. There are 0 NebulaGraph Analytics available. clusterSize should be less than or equal to it
Cooper
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How to see the comments on the tags in the NebulaGraph databse?

I am using the basketballplayer dataset for testing, and added some comments on the player and team tag. How can I show these comments? I tried show tags but that doesn't work. Does Nebula Graph support this feature?
randomv
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After finding an edge and its destination by go, how to show up the information of destination in NebulaGraph Database

Nebula Graph Database version: 3.2 -Problem After I find the destination of this edge by go from somevertex over someedge yield dst(edge), how to display the information of this destination instead of the VertexID.
user19733404
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NebulaGraph Database: How can I speed it up if a task result is saved slowly or data is transferred slowly between tasks?

When I use NebulaGraph and NebulaGraph Explorer for graph algorithm, it takes a long time. How can I speed it up? I used the workflow feature in NebulaGraph Explorer, which allows me to design my own workflow, but once I did, the execution was…
Cooper
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Guava version conflict happens in spark-connector

I met a problem when I use NebulaGraph Database like below： I want to write offline spark data into NebulaGraph Database by spark-nebula-connector. But I encountered two problems: First, the NebulaGraph Database version I use only support spark v2.4…
Lisa Liu
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How is the time spent value at the end of each return message calculated in NebulaGraph Database?

As title, in NebulaGraph Database, use match(v)return(v)limit 5, the time spent here has two values.
foesa Yang
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NebulaGraph Database error `The leader has changed. Try again later`

This error happens when I insert some vertices in to Nebula Graph (v3.0.0). What does this error mean? What can I do except for retry? I'm working on my ubuntu laptop (HDD). I checked the manual…
user13726945
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What is the proper schema heartbeat configuration setting in NebulaGraph Database?

Since I want the schema creation in Nebula Graph Database to be almost synchronized， what if I set heartbeat_interval=1, will it lead to any severe consequences? The schema and indexes are created asynchronously, we don't know when the creation will…
user19733404
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Why isn't the version of the NebulaGraph displayed after running the show hosts graph COMMAND?

I encountered a problem using the Nebula Graph graph database. I want to check the version installed, and I read the doc and ran the show hosts graph command. But the graph version wasn't displayed. I tried other commands like show hosts and show…
黄凤仙
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How to test if a port is open to NebulaGrpah Database

I know that ports 9779 and 9669 need to be opened to NebulaGraph Database. How to test that these ports are open and available? Port:9779 has been opened for NebulaGraph Database. Is there a configuration sample for reference?
Q Steam
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NebulaGraph database: What is the appropriate setting for replica_factor?

Can I set replica_factor as any number in CREATE SPACE statements? Is it better to set this parameter higher the more machines we use for storage? The NebulaGraph documentation describes this parameter as follows: Specifies the number of replicas in…
Cooper
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How to customize the two variables of the FIND PATH statement in NebulaGraph Database?

The statement is like below: $src=lookup on table where table.table_name == "da_pubdata_bline_stat_df" ; $dst=lookup on table where table.table_name == "da_pubtb_opt_di" ; FIND shortest PATH WITH PROP FROM $src TO $dst OVER * BIDIRECT; If I want to…
Lisa Liu
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How can I install NebulaGraph on Windows?

I want to install the Nebula Graph database on Windows, but I didn't find any references. I tried install on my own, but failed in the end. I viewed NebulaGraph-related docs https://docs.nebula-graph.io/3.3.0/2.quick-start/2.install-nebula-graph/,…
黄凤仙
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NebulaGraph Database: LpaExample algorithm does not finish execution.roblem with the algorithm parameters

When using NebulaGraph Database and running an LpaExample algorithm — it does not finish execution. Could there be a problem with the algorithm parameters? The execution of the code takes too long, and it always seems to be unfinished. If…
user19733404
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NebulaGraph database: How to install it on Mac book?

Does any one know how to install NebulaGraph on my Mac book? I searched their docs but found only ways to install on Linux hosts.
randomv
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