Christopher,
it may be sufficient if you can pass the script (.bxs) file that you use to
process the data.
Would that be possible?
Alex
On 12.06.2013, at 02:46, "Christopher.Ball"
<[email protected]> wrote:
> Christian,
> So I have finally upgraded to BaseX 7.7 and found I am still having the out
> of memory issue.
>
> Given the size and nature of the data I am working with I am at a loss of how
> to provide you with a simple example that replicates the problem.
>
> On the flip side, one behavior I am noticing is that breaking the work in to
> discrete chunks in separate batch scripts gives dramatically faster
> performance and avoids the memory error. This strongly suggests that
> something is preventing garbage collection between unrelated tasks in a batch
> script.
>
> Is there any way I can force garbage collection in a batch script? I tried
> closing and reopening databases but that had no effect (actually shocked that
> it did not).
>
> Let me know,
>
> Christopher
>
> On 5/20/2013 6:24 AM, Christian Grün wrote:
>> Hi Christopher, hi Ben,
>>
>> yes, this sounds like unwanted behavior, and I believe it should be
>> fixable as the commands scripts I’ve been working with didn’t cause
>> memory leaks. I’ll be glad to track down the possible issues. Could
>> (one/both) of you pass me on a script that causes the problems?
>>
>> Christian
>>
>> PS: I would be grateful if you could additionally check if the problem
>> persists in the latest stable snapshot.
>> ___________________________
>>
>> On Mon, May 20, 2013 at 10:33 AM, Ben Companjen
>> <[email protected]>
>> wrote:
>>
>>> I recognise your problem, and reported it, but never got back to it
>>> with more details. I used BaseX client/server 7.5 beta. My first
>>> database contained 2.7 million documents, but I created a new one from
>>> an exported subset of 700k documents. That helped lower the memory use
>>> directly after loading the DB.
>>>
>>> Any chance you use the SQL module in your processing?
>>>
>>> My guess was that it had been a design choice to keep previously
>>> opened documents from a database in use in memory. But running out of
>>> memory probably wasn't ;)
>>>
>>> Ben
>>>
>>> On 20 May 2013 04:32, Christopher.R.Ball
>>> <[email protected]>
>>> wrote:
>>>
>>>> I have a BaseX script (.bxs) I am running that does queries in batches
>>>> (sets
>>>> of 5k documents), but as it progresses it bogs down in speed, does not
>>>> release memory between sets even if I force it to close and reopen the db
>>>> between queries, and eventually runs out of memory.
>>>>
>>>> But, if I break the same BaseX script into separate files still doing the
>>>> same exact batches it is extremely fast and memory efficient.
>>>>
>>>> Very suggestive of a memory leak . . .
>>>>
>>>> I am running on BaseX 7.6.1 Beta.
>>>>
>>>> Any thoughts?
>>>>
>>>> Is there a way to force the script to do garbage collection?
>>>>
>>>>
>>>> _______________________________________________
>>>> BaseX-Talk mailing list
>>>>
>>>> [email protected]
>>>> https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk
>>> _______________________________________________
>>> BaseX-Talk mailing list
>>>
>>> [email protected]
>>> https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk
>
> _______________________________________________
> BaseX-Talk mailing list
> [email protected]
> https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
Dr. Alexander Holupirek
|-- Room E 221, 0049 7531 88 2188 (phone) 3577 (fax)
|-- Database & Information Systems Group, U Konstanz
`-- https://scikon.uni-konstanz.de/personen/alexander.holupirek/
_______________________________________________
BaseX-Talk mailing list
[email protected]
https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk