On 22/05/18 14:23, Jewsco Pius Jacquez wrote: > Any more ideas? > > Thanks, > Jewsco > > -----Original Message----- > From: Jewsco Pius Jacquez > Sent: Tuesday, May 8, 2018 8:56 AM > To: 'Pádraig Brady' <p...@draigbrady.com>; 31...@debbugs.gnu.org > Subject: RE: bug#31184: tail -f on Network FS not refreshing as soon as the > file is changed. > > Thanks > > Still the same, the -f doesn't refresh. it applies to CIFS and NFS > filesystem. Is it something related on how the network filesystem was > designed? > > Thanks, > Jewsco > > -----Original Message----- > From: Pádraig Brady [mailto:p...@draigbrady.com] > Sent: Saturday, May 5, 2018 5:52 PM > To: Jewsco Pius Jacquez <jewscopius.jacq...@amdocs.com>; 31...@debbugs.gnu.org > Subject: Re: bug#31184: tail -f on Network FS not refreshing as soon as the > file is changed. > > On 04/05/18 08:12, Jewsco Pius Jacquez wrote: >> Thanks, did I missed anything? >> >> [jjacquez@cmilsbtest02 ~]$ wget --quiet >> https://ftpmirror.gnu.org/coreutils/coreutils-8.29.tar.xz >> [jjacquez@cmilsbtest02 ~]$ cksum coreutils-8.29.tar.xz >> 926393761 5286588 coreutils-8.29.tar.xz >> [jjacquez@cmilsbtest02 ~]$ tar -xf coreutils-8.29.tar.xz >> [jjacquez@cmilsbtest02 ~]$ cd coreutils-8.29/ >> [jjacquez@cmilsbtest02 coreutils-8.29]$ wget --quiet >> 'https://github.com/coreutils/coreutils/commit/7fc7206.patch' -O- | >> patch -R -p1 && make patching file NEWS Unreversed patch detected! >> Ignore -R? [n] Apply anyway? [n] Skipping patch. >> 1 out of 1 hunk ignored -- saving rejects to file NEWS.rej patching >> file src/tail.c Hunk #1 FAILED at 1220. >> 1 out of 1 hunk FAILED -- saving rejects to file src/tail.c.rej >> [jjacquez@cmilsbtest02 coreutils-8.29]$ >> >> >> >> Thanks, >> Jewsco >> >> >> >> >> >> -----Original Message----- >> From: Pádraig Brady [mailto:p...@draigbrady.com] >> Sent: Thursday, May 3, 2018 8:47 PM >> To: Jewsco Pius Jacquez <jewscopius.jacq...@amdocs.com>; >> 31...@debbugs.gnu.org >> Subject: Re: bug#31184: tail -f on Network FS not refreshing as soon as the >> file is changed. >> >> On 02/05/18 06:39, Jewsco Pius Jacquez wrote: >>> I tried and the --follow=name doesn't refresh either. The stat output is >>> changing. >>> >>> [jjacquez@cmilsbtest03 ~]$ tail --follow=name /media/samba/test.file >>> append Wed May 2 08:35:54 CDT 2018 append Wed May 2 08:35:54 CDT >>> 2018 append Wed May 2 08:35:54 CDT 2018 append Wed May 2 08:35:54 >>> CDT 2018 append Wed May 2 08:35:54 CDT 2018 append Wed May 2 >>> 08:35:54 CDT 2018 append Wed May 2 08:35:54 CDT 2018 append Wed May >>> 2 08:35:54 CDT 2018 append Wed May 2 08:35:54 CDT 2018 append Wed >>> May >>> 2 08:35:55 CDT 2018 ^C >>> [jjacquez@cmilsbtest03 ~]$ tail --follow=name /media/samba/test.file >>> append Wed May 2 08:36:01 CDT 2018 append Wed May 2 08:36:01 CDT >>> 2018 append Wed May 2 08:36:01 CDT 2018 append Wed May 2 08:36:02 >>> CDT 2018 append Wed May 2 08:36:02 CDT 2018 append Wed May 2 >>> 08:36:02 CDT 2018 append Wed May 2 08:36:02 CDT 2018 append Wed May >>> 2 08:36:02 CDT 2018 append Wed May 2 08:36:02 CDT 2018 append Wed >>> May >>> 2 08:36:02 CDT 2018 ^C >>> [jjacquez@cmilsbtest03 ~]$ while :; do stat -c '%s' >>> /media/samba/test.file; sleep 1; done >>> 1649717 >>> 1650077 >>> 1650401 >>> 1650761 >>> 1651121 >>> 1651445 >>> 1651769 >>> 1652093 >>> 1652417 >>> >>> >>> About the reverting the patch, so I need to download the source and patch >>> it? >>> >>> cd coreutils-8.29 && >>> wget 'https://github.com/coreutils/coreutils/commit/7fc7206.patch' -O- | >>> patch -R -p1 && >>> make >> >> You'd done that previously, for for completeness yes you need to download >> the source first like: >> >> wget https://ftpmirror.gnu.org/coreutils/coreutils-8.29.tar.xz >> tar -xf coreutils-8.29.tar.xz > > Drats sorry. There were conflicting patches in the meantime. > You can tweak it like: > > cd coreutils-8.29 && > wget 'https://github.com/coreutils/coreutils/commit/7fc7206.patch' -O- | > sed 's/name,/false, name,/' | patch -p1 -R -t && make > > cheers, > Pádraig > This message and the information contained herein is proprietary and > confidential and subject to the Amdocs policy statement,
Well I can't repro with 8.29 on nfs here. Perhaps the read() is blocking or something. It would be useful to get the output of: strace -o tail.strace tail -f /media/samba/test.file Also for completeness, it would be good to give the command used to write to the file on the remote end. thanks, Pádraig