Home Forums DITA and XMetaL Discussion XMetal 6 process memory Reply To: XMetal 6 process memory

Derek Read

Reply to: XMetal 6 process memory

[It looks like you are working with DITA documents (let me know if I'm wrong as my answers related to the DITA Open Toolkit will not make sense if you are not working with DITA). Since this is mostly DITA-related I'm moving this topic to the “DITA and XMetaL Discussion” board.]

1. There is no fixed limit for document size while editing. The editor will slow down when you are working on a large document but 120-130mb memory usage is well within the standard amount of memory I would expect XMetaL Author Enterprise to be using for this number of documents. We test having between 10 and 25 DITA documents open here on a fairly regular basis without issue and expect the majority of our clients to have somewhere near 1/2 dozen documents open on a regular basis. We have clients that open documents that are between 1 and 4gb in size (not DITA documents) but the complaint there is that the editor slows down, not that it crashes. I suspect in your case it is not the size of the documents or number of open documents that is the true cause but that if number of documents open seems to be the issue it might be exacerbating some other issue to the point that a crash occurs.

2. I assume the feature you are asking about is the one noted in the release notes as follows:

Generating output in the background via DITA Open Toolkit

XMetaL's Generate Output feature can be run in the background. If enabled, this feature frees up XMetaL Author for the user to continue with other authoring tasks while output is being generated. Simply change the Configure Output advanced output parameter _rem_cmd_synchro_mode = 2 to cmd_synchro_mode = 2.

This feature is disabled by default. However, running it one way vs the other should not have any real effect on memory usage.

3. If you are producing output from the DITA Open Toolkit integrated with XMetaL Author Enterprise for a deliverable type that uses Java (some use ANT) then you are correct. The default is 128mb. When Java memory usage goes above this level then Java will throw an error. This is an inherent limitation with Java (you must tell it how much memory you estimate it might need before you run a Java process). However, I have not seen or heard of XMetaL Author Enteprise crashing in this case. When this occurs an error with the text “java.lang.OutOfMemoryError” will appear in the output log file.

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