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
