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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NebulaGraph-importer reports an error when importing data: unsupported client version

nebula version: v3.5.0 enter image description here Deployment method: stand-alone Installation method: source code compilation Whether to use the production environment: N Specific description of the problem: Enter the following code to import…
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Efficiency of match with where query in NebulaGraph

match(m: 08-day details of station area electricity consumption) where id(m)==‘1001020230802distStatDay’ return m soon match(m: 08-day details of station area power consumption) where id(m) contains '20230802' return m is very slow match(m: details…
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How to use NebulaGraph in query after self-loop edge modeling?

nebula version: 3.4.0 Deployment method: distributed specific description of the problem Graph Modeling - NebulaGraph Database Manual 1 The document mentions that when the point attribute is dynamically increased, the self-loop edge can be used…
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Is there any restriction on NebulaGraph setting password?

Is there any restriction on user passwords created by nebula? For example, the use of special characters, which ones can be used, and the length? I don't seem to find relevant information in the official manual, thanks for the answer!
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NebulaGraph exchange tool kafka data to spark has an offset exception, resulting in data loss

nebula version: v3.5.0 Deployment method: distributed Installation method: Docker Whether to use the production environment: Y hardware information Disk SATA 64C 128G When submitting the spark-streaming program to consume topic data through…
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The Lookup statement in NebulaGraph cannot use the bit_and function. Is there any alternative?

nebula version: 2.6.2 Deployment method: distributed Installation method: source code compilation Whether to use the production environment: Y When executing the lookup statement query, the bit_and function is used, but it will…
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Filtering problem in NebulaGraph path search

nebula version: v3.4.1 Deployment method: distributed Installation method: RPM Whether to use the production environment: Y hardware information: Disk (SSD recommended) CPU, memory information Detailed description of the problem: Requirements:…
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How to handle a single graph service crash during distributed querying?

Nebula version: 3.5 Deployment mode: Distributed Installation method: RPM Production environment: No Hardware information: Disk: HDD CPU, Memory: 16G Description of the issue: I have deployed a three-node cluster (all with 16G memory) consisting…
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What should I do if there is an error in querying during Nebula cluster environment deployment?

In a Nebula cluster environment deployment, when a node is stopped, querying will result in an error. Nebula version: 3.4.1 Deployment method: Distributed Installation method: RPM Is it in a production environment: No Specific description of…
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The error "unsupported client version" occurs when importing data with nebula-importer

Nebula version: v3.5.0 enter image description here Deployment mode: Standalone Installation method: Source code compilation Is it in a production environment: No Description of the issue: When attempting to import data using the following code, an…
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Compiling s2geometry in nebula-third-party has an issue

It indicates that a shared library is not installed for the individual project. During the compilation of nebula-third-party, an error occurs when it reaches the s2geometry software: make[2]: *** [build-info/s2geometry-verify] Error 1 make[1]: ***…
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Request for nGQL statements

Here are two requirements: Given a node v1, retrieve the n-degree relationships of v1. For example, retrieve the 1st-degree relationships, 2nd-degree relationships, 3rd-degree relationships, and so on, without considering the type of edges. Given…
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How can I improve the slow speed of full-text indexing?

our version is 3.4.0. Currently, our main issue is the slow speed of building the full-text index. We have a cluster consisting of three storage nodes, and we have three listeners running on these nodes. After rebuilding, the index construction…
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nebula graph - error on trying to create my first space: Host not enough

going through the kick start i have the DB running as a docker extension and have logged in. https://docs.nebula-graph.io/3.5.0/2.quick-start/1.quick-start-workflow/ CREATE SPACE bverse(partition_num=10, replica_factor=1,…
dcsan
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Runing NebulaGraph on Docker error: Failed to read the directory "/data/meta/nebula", No such file or directory

I have 3 servers in 3 different datacenters with public IP stored in .env file: TZ=UTS USER=root PASSWORD=passroot SERVER1=154.13.92.23 SERVER2=154.13.92.24 SERVER3=154.13.92.25 Docker compose for running distribute nebula is : version:…
Pamungkas Jayuda
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