How to stop Modeshape using Transient Binary Store for large Strings

[ma6rl]

I'm using Modeshape 4.3 via the Wildfly Modeshape sub-system. I do not have a binary store configured in my sub-system. It looks like when this is the case Modeshape defaults to using a transient binary store.

14:36:20,517 DEBUG [org.modeshape.jcr.JcrRepository] (default task-1) Starting 'example-repo' repository with configuration: 
{ "name" : "example-repo" , "jndiName" : "" , "storage" : { "cacheName" : "example-repo" , "cacheConfiguration" : "modeshape/repo-test-cache-config.xml" , "binaryStorage" : { "type" : "transient" } } .....

I am attempting to store a string property on a node that is greater than 4kb, because the string exceeds the default binary min value size, it is being written to the transient binary store instead of directly on the node. This behavior is undesirable as I do not want to store the string in a binary store, and I definitely do not want it to be in a transient store as it does not survive a restart.

Is there a way to configure Modeshape via the Wildfly sub-system to increase the binary min value size used by the transient store?

I currently can not see a way to do this as the transient store is not one of the binary store options in the sub-system XSD.

[hchiorean]

The transient binary store isn't exposed by the JBoss AS configuration and as such, you can't really configure it. It's not difficult to add it though, so you can open an enhancement request for this.

In the meantime, I can think of a couple of options:

• use a regular FS store, but which stores data in ${java.io.tmpdir} (or any other temp dir). This is really what the Transient Store does anyway: modeshape/TransientBinaryStore.java at master · ModeShape/modeshape · GitHub
• use a cache binary-store backed by an ISPN in-memory cache without a persistent store. This would ensure that no binaries aren't saved across restart.

Both of the above would allow you to set the min-string-size attribute to get the desired effect.

[ma6rl]

hchiorean, thanks for the information and the workarounds. I'll give them a try. I have created [MODE-2512] Allow the transient binary store to be configured - JBoss Issue Tracker as an enhancement to allow the transient binary store to be configured.