neo4j batch import cache type issue

Question

I am pretty new to neo4j and facing the following issue. When executing the batch-import (Micheal Hunger - batch importer) command I get this error about the cache_type settings. It is recommending gcr settings, but these are only available in the enterprise edition.

Help is very appreciated, thanks.

System Info: win7 32bit 4G RAM (3G usable), jre7, neo4j-community-1.8.2

Data: (very small test data) nodes.csv (tab-separated) 13 nodes rels.csv (tab-separated) 16 relations

Execution and Error:

C:\Daten\Studium\LV HU Berlin\SS 2013\Datamanagement and BI\Neuer Ordner>java -server -Xmx1G -jar target\batch-import-jar-with-dependencies.jar target\db nodes.csv rels.csv

Using Existing Configuration File

Exception in thread "main" java.lang.IllegalArgumentException: Bad value 'none' for setting 'cache_type': must
     be one of [gcr]
        at org.neo4j.helpers.Settings$DefaultSetting.apply(Settings.java:788)
        at org.neo4j.helpers.Settings$DefaultSetting.apply(Settings.java:708)
        at        org.neo4j.graphdb.factory.GraphDatabaseSetting$SettingWrapper.apply(GraphDatabaseSetting.ja    va:215)
        at     org.neo4j.graphdb.factory.GraphDatabaseSetting$SettingWrapper.apply(GraphDatabaseSetting.ja    va:189)
        at        org.neo4j.kernel.configuration.ConfigurationValidator.validate(ConfigurationValidator.java:    50)
        at org.neo4j.kernel.configuration.Config.applyChanges(Config.java:121)
        at org.neo4j.kernel.configuration.Config.<init>(Config.java:89)
        at org.neo4j.kernel.configuration.Config.<init>(Config.java:79)
        at org.neo4j.unsafe.batchinsert.BatchInserterImpl.<init>(BatchInserterImpl.java:83)
        at org.neo4j.unsafe.batchinsert.BatchInserterImpl.<init>(BatchInserterImpl.java:67)
        at org.neo4j.unsafe.batchinsert.BatchInserters.inserter(BatchInserters.java:60)
        at org.neo4j.batchimport.Importer.createBatchInserter(Importer.java:40)
        at org.neo4j.batchimport.Importer.<init>(Importer.java:26)
        at org.neo4j.batchimport.Importer.main(Importer.java:54)

Batch.properties:

dump_configuration=false

cache_type=none

use_memory_mapped_buffers=true
neostore.propertystore.db.index.keys.mapped_memory=5M
neostore.propertystore.db.index.mapped_memory=5M
neostore.nodestore.db.mapped_memory=200M
neostore.relationshipstore.db.mapped_memory=500M
neostore.propertystore.db.mapped_memory=200M
neostore.propertystore.db.strings.mapped_memory=200M

the batch importer has a dependency on enterprise, you can use it in testing/development, I think if you add that it should be good. — Michael Hunger
thank you for the quick responses, but can you be a little more specific. I am very new to the whole neo4j development and usage, so I need to know where to add something and what in more detail. Do you mean that I just can use the enterprise edition for testing/dev? — user2414064

Buthetleon Buthetleon · Accepted Answer · 2013-10-01T08:42:25

ran into the same problem as you and i changed the line in batch.properties

cache_type=none to cache_type=gcr and it worked. not sure about how the speed changes for this. Not sure why the other options none, soft, weak, strong are not working. Maybe Michael can give an answer to this?

Got the answer from the neo4j documentations http://docs.neo4j.org/chunked/stable/configuration-caches.html#_object_cache

neo4j batch import cache type issue

1 Answers