What version of Camel do you use? Btw the message history does not copy the message body, so it should not be a problem.
The source code you posted is that all your did, are you not doing something more, such as a custom processor / bean that works on the message body. On Tue, Nov 21, 2017 at 1:16 PM, Zoran Regvart <[email protected]> wrote: > Hi Christian, > if you're not going to read from the body of the message multiple > times you can disable stream caching. I think that the memory increase > you see is due to message history, try disabling that[1]. If that > fails to help perhaps you could provide an example that we can > reproduce this? > > zoran > > [1] https://camel.apache.org/message-history.html > > On Mon, Nov 20, 2017 at 7:21 PM, <[email protected]> wrote: >> Hi there, >> >> I have to download pretty large files (> 200 MB) from a remote server via >> http and process them with a very specific library. This library relies on >> using files and not streams, so I have a route looking like >> >> from (...) >> .toD("${body}") >> .to("file:" + tempDirectoryName) >> >> In the body, I had constructed the URI to the file to be downloaded. I >> quickly ran into memory leaks, so I changed the code to >> from(...= >> .toD("${body}") >> .streamCaching() >> .to("file:" + tempDirectoryName) >> >> This helped with the memory leak because now the data are written twice on >> my disk: one to the temporary directory name that I had intended and one in >> the java.io.tempdir directory. The documentation on Camel Stream-caching >> states "Camel itself will handle deleting the temporary file once the cached >> stream is no longer necessary." But I can't see that happen. The large files >> remain where they are. Any ideas what went wrong? >> >> Kind regards, >> Christian Jacob >> >> Innogy SE >> Retail IT >> Integration and Digital Solutions (AFS-IGI) >> Rellinghauser Str. 37 >> 45128 Essen >> T intern: 70-20581 >> T extern: +49 (0)201 12 20582 >> T mobil: +49 (0)1622843981 >> Fax: +49 (0)201 12 24796 >> mailto: [email protected] >> >> ---------------------------------------------------------------- >> innogy SE Vorsitzender des Aufsichtsrates: Dr. Werner Brandt >> Vorstand: Peter Terium (Vorsitzender), Dr. Hans Buenting, >> Dr. Bernhard Guenther, Martin Herrmann, Hildegard Mueller, Uwe Tigges >> Sitz der Gesellschaft: Essen, Eingetragen beim Amtsgericht Essen, >> Handelsregister-Nr. HRB 27091, USt-IdNr. DE304171711 > > > > -- > Zoran Regvart -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2
