On Mon, Feb 19, 2018 at 8:53 AM, Nigel Babu <nigelb@xxxxxxxxxx> wrote:
Hello,As you all most likely know, we store the tarball of the binaries and core if there's a core during regression. Occasionally, we've introduced a bug in Gluster and this tar can take up a lot of space. This has happened recently with brick multiplex tests. The build-install tar takes up 25G, causing the machine to run out of space and continuously fail.
AFAIK, we don't have a .t file in upstream regression suits where hundreds of volumes are created. With that scale and brick multiplexing enabled, I can understand the core will be quite heavy loaded and may consume up to this much of crazy amount of space. FWIW, can we first try to figure out which test was causing this crash and see if running a gcore after a certain steps in the tests do left us with a similar size of the core file? IOW, have we actually seen such huge size of core file generated earlier? If not, what changed because which we've started seeing this is something to be invested on.
I've made some changes this morning. Right after we create the tarball, we'll delete all files in /archive that are greater than 1G. Please be aware that this means all large files including the newly created tarball will be deleted. You will have to work with the traceback on the Jenkins job.
We'd really need to first investigate on the average size of the core file what we can get with when a system is running with brick multiplexing and ongoing I/O. With out that immediately deleting the core files > 1G will cause trouble to the developers in debugging genuine crashes as traceback alone may not be sufficient.
--nigelb
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