Hi, Thanks a lot for the tip.
I would still like to know what is causing DPDK plugin to take up so much VSZ. If any one can give me any pointers I will try and debug it further to hopefully control the VSZ. Regards, Siddarth On Tue, Dec 17, 2019 at 2:57 PM Benoit Ganne (bganne) <bga...@cisco.com> wrote: > Hi Siddarth, > > > The issue here is that huge core files are generated, which take up a lot > > of space and the system down time is huge too. > > Even if I compress it, I will have to de-compress wherever I try to debug > > it and the disk space requirement will be huge. > > I know this will not fix your issue, however that might help: > - when the core file is generated, if the VA is not in use it should not > take space on the disk because it should be stored as a sparse file. Here > is an example I have locally (note the 117M allocated on disk vs the 2.6G > "virtual" size): > bganne@ubuntu1804:~$ ls -lsh core > 117M -rw-rw-r-- 1 bganne bganne 2.6G Nov 12 15:34 core > Also, if you do not compress it at generation time (via > /proc/sys/kernel/core_pattern or similar) it should not impact the downtime > as it is simply not written nor processed > - if you compress/decompress it with gzip, it will not produce a sparse > file but you can 're-sparse' it using eg. dd: > bganne@ubuntu1804:~$ zcat core.gz | dd conv=sparse of=core > > Ben >
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#15243): https://lists.fd.io/g/vpp-dev/message/15243 Mute This Topic: https://lists.fd.io/mt/68143971/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
