neo4j-admin | The Neo4j server web console for the embedded neo4j.rb | Graph Database library
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kandi X-RAY | neo4j-admin Summary
The Neo4j server web console for the embedded neo4j.rb
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Community Discussions
Trending Discussions on neo4j-admin
QUESTION
My VPS was upgraded to change to a different type of SSD last night, however I did not take a backup of the database prior to the shut down and restart.
After this point in time I have been unable to restart the database. The error log begins to show a failure when attempting to open a specific index as shown below.
I have attempted to bypass this index by renaming the directory it is stored in but this was not effective. Is there any other way of removing the offending index so that I can restart the database in the browser and then re-add the index later?
...ANSWER
Answered 2022-Jan-24 at 23:08Answer found here: https://community.neo4j.com/t/database-offline-and-will-not-restart/27914/5
The index issue seems to have disappeared as part of this solution. For some reason the neo4j system account no longer had access to write to the log files or anything else in the data folder. This was resolved using:
QUESTION
Can I import a relationship property of type list using the neo4j-admin import
tool?
The cypher query would look something like this:
...ANSWER
Answered 2021-Dec-10 at 18:20neo4j-admin
supports --array-delimiter
which can be used to separate single fields in an array.
NOTE: the column header needs to include the array data hint!
The example above would be imported with:
QUESTION
I have a fresh install of RHEL 8.4 running neo4j 3.5.28, and when I attempt to run neo4j-admin load --from=
I get the following error:
ANSWER
Answered 2021-Nov-12 at 19:32Turns out our admin had the /var/tmp and /tmp directories set to have the noexec flag. Removing this flag allowed the import to work without a problem.
QUESTION
I'm lost and tried everything I can think of. Maybe you can help me.
I'm trying to find all dependencies for a given software package. In this special case I'm working with the Node.js / JavaScript ecosystem and scraped the whole npm registry. My data model is simple, I've got packages and a package can have multiple versions.
In my database I have 113.339.030 dependency relationships and 19.753.269 versions.
My whole code works fine until I found a package that has so many dependencies (direct and transitive) that all my queries break down. It's called react-scripts
. Here you can see the package information.
https://registry.npmjs.org/react-scripts
One visualizer never finishes
https://npm.anvaka.com/#/view/2d/react-scripts
and another one creates a dependency graph so big it's hard to analyze.
https://npmgraph.js.org/?q=react-scripts
At first I tried PostgreSQL with recursive common table expression.
...ANSWER
Answered 2021-Sep-28 at 05:50I don’t have a large dataset like yours, but I think you could bring the number of paths down by filtering the b nodes. Does this work , as a start?
QUESTION
I'm still relativly neew to Neo4j and especially new to the neo4j community server 4. So please forgive me if I am just dumb here.
I am using the neo4j-community-4.3.2 server and imported my data via the neo4j-admin import:
...ANSWER
Answered 2021-Aug-06 at 12:21Please look for this configuration in /conf/neo4j.conf file. Then change it to
QUESTION
I backed up a neo4j database using
...ANSWER
Answered 2021-Feb-23 at 01:24If you are replacing your existing database with name "db" then use the --force option:
bin/neo4j-admin load --from=/var/lib/neo4j/data/c: --database=dbase --force
If you are restoring into a new database, then after the load, you need to create the database CREATE DATABASE dbase
Note that I changed the name of your database from db
to something else since database names in Neo4j must be at least 3 characters long.
QUESTION
The default import bin/neo4j-admin import --database movies1 --nodes=import/movies.csv
works fine.
NOTICE: you must execute
CREATE DATABASE movies1
from the browser to see the created database The result looks like:
However, when enabling array columns using bin/neo4j-admin import --database movies2 --array-delimiter="|" --nodes=import/movies.csv
, neo4j admin import csv tool no longer is parsing the multiple labels correctly:
The movies.csv
from the examples:
ANSWER
Answered 2021-Feb-08 at 03:44The default array delimiter is ;
so your first example correctly assigns both the Movie and Sequel labels to nodes that have Movie;Sequel
in the LABEL column.
Not sure why you wish the delimiter to be a |
? Your csv file would then need to look like
QUESTION
I am trying to load the database from csvs using neo4j-admin load
. If I delete the existing database and load data again using neo4j-admin load
, it does not load the data. Steps:
- Load database using
neo4j-admin load
to databasetemp
- Delete database directory
data/databases/temp
from neo4j - Reload csvs to database
temp
usingneo4j-admin load
, successfully loads the data - Restart db
At localhost:7474
, the database is empty, no nodes or relationships. The version of Neo4j is 4.x
ANSWER
Answered 2020-Jun-13 at 15:18Did you stop and delete the database in the systemdb too?
:use system Stop database temp; Drop database temp;
Delete directory
And then after you have loaded it again with neo4j-admin load
Create database temp
Also make sure it has started And look at the online column of
Show databases
QUESTION
I am switching out 3.5.14 for 4.1.0, EE trial. It's not really an upgrade; I deleted the databases directory altogether and csv imported my vertices and edges with neo4j-admin import. The import ran fine, just as it has always done. But upon starting the service, I get the following error in the debug.log file:
...ANSWER
Answered 2020-Jul-01 at 21:53Probably you only have to uncomment this line in neo4j.conf, as the database needs to upgrade from the 3.x version to 4.x.
QUESTION
I'm new to neo4j.
I have created a new graph/database named db-learning
. I'm able to connect and perform some operations on the database via neo4j browser. No issue at all.
However when I tried to dump it using neo4j-admin dump --database "db-learning" --to "/some/path"
I get this error saying database not found.
Database does not exist: db-learning
Am I missing something?
...ANSWER
Answered 2020-Jun-15 at 07:15Sorry if that's confusing. The database name in the project is not related to the underlying database name (which is neo4j
for the default database)
So if you open the terminal, this should be good enough:
./bin/neo4j-admin dump --database "neo4j" --to "/tmp/test.dump"
I think you can also leave off the default database name.
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Install neo4j-admin
On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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