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Posted to commits@ctakes.apache.org by "Johnsd11 (via GitHub)" <gi...@apache.org> on 2025/04/28 17:32:58 UTC
[I] [Question]: cTAKES running slower with each run [ctakes]
Johnsd11 opened a new issue, #62:
URL: https://github.com/apache/ctakes/issues/62
### What’s your question?
I'm running ctakes both as an API and as a console app. Each time I hit ctakes, the run time per document is getting incrementally slower by a few thousands of a millisecond per xml element (to normalize for different document sizes) than the previous document. Compound this over 1000 documents in 20 minutes and the runs are going from 0.06 milliseconds per xml element to 1.5 milliseconds per xml element. It's a very consistent 0.002 millisecond increase in the rate for each subsequent document I throw at cTAKES.
Is there any caching or garbage collection or something I should be on the lookout to adjust or fix?
Thanks
### Context
_No response_
### What category does this question fall under?
None
### Contact Details
_No response_
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Re: [I] [Question]: cTAKES running slower with each run [ctakes]
Posted by "seanfinan (via GitHub)" <gi...@apache.org>.
seanfinan closed issue #62: [Question]: cTAKES running slower with each run
URL: https://github.com/apache/ctakes/issues/62
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Re: [I] [Question]: cTAKES running slower with each run [ctakes]
Posted by "seanfinan (via GitHub)" <gi...@apache.org>.
seanfinan commented on issue #62:
URL: https://github.com/apache/ctakes/issues/62#issuecomment-2962564583
Closing as stale. There have been 3 releases since its report.
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Re: [I] [Question]: cTAKES running slower with each run [ctakes]
Posted by "Johnsd11 (via GitHub)" <gi...@apache.org>.
Johnsd11 commented on issue #62:
URL: https://github.com/apache/ctakes/issues/62#issuecomment-2835988967
There are many ways to package ctakes, and admittedly ours is unlike the
console app and we have our own multithreaded API, but we regularly do
millions of documents at a time and haven't seen this issue. The core
application with our fairly standard pipeline is up for a month at a time
with no degradation
Are you using any unusual or deprecated annotators? It could be that one
of the less used ones doesn't separate initialization properly from it's
processing method and is caching something that it shouldn't.. Are you
seeing a concomitant growth in memory footprint?
Try running it under jvisualvm it may give you a clue.
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Re: [I] [Question]: cTAKES running slower with each run [ctakes]
Posted by "Johnsd11 (via GitHub)" <gi...@apache.org>.
Johnsd11 commented on issue #62:
URL: https://github.com/apache/ctakes/issues/62#issuecomment-2835989554
I am running a customized version of 3.2.2 so that’s not the best for troubleshooting. But running jvisualvm and the only thing I’m noticing is the metaspace size increasing a small amount when a large document is run through ctakes, but its only increasing about 100KB over the course of an hour. The heap size peaks and valleys for each document run is fairly consistent. The total loaded classes goes from 8828 to 8833 over the same period.
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