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Bug #3930
closed'tail -F ...' not resetting the offset of file rotation properly
Start date:
2013-07-28
Due date:
% Done:
100%
Estimated time:
Difficulty:
Medium
Tags:
Gerrit CR:
Description
The following is from the Joyent bug report.
90307 /usr/bin/tail -1cF /var/svc/log/smartdc-site-vmapi:default.log 90308 /usr/bin/tail -1cF /var/svc/log/smartdc-site-vmapi:default.log 90309 /usr/bin/tail -1cF /var/svc/log/smartdc-site-vmapi:default.log 90310 /usr/bin/tail -1cF /var/svc/log/smartdc-site-vmapi:default.log [root@f437f858-26ef-48db-a0b9-00cd59957e11 (us-west-1:vmapi0) /var/svc/log]# truss -t read,write,open,close -p 90307 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 read(3, 0x08065BFC, 131072) = 0 10:33 [root@f437f858-26ef-48db-a0b9-00cd59957e11 (us-west-1:vmapi0) /var/svc/log]# pfiles 90307 90307: /usr/bin/tail -1cF /var/svc/log/smartdc-site-vmapi:default.log Current rlimit: 65536 file descriptors 0: S_IFSOCK mode:0666 dev:540,0 ino:25813 uid:0 gid:0 rdev:0,0 O_RDWR SOCK_STREAM SO_SNDBUF(16384),SO_RCVBUF(5120) sockname: AF_UNIX peer: node[89377] zone: f437f858-26ef-48db-a0b9-00cd59957e11[37] 1: S_IFSOCK mode:0666 dev:540,0 ino:51333 uid:0 gid:0 rdev:0,0 O_RDWR SOCK_STREAM SO_SNDBUF(16384),SO_RCVBUF(5120) sockname: AF_UNIX peer: node[89377] zone: f437f858-26ef-48db-a0b9-00cd59957e11[37] 2: S_IFSOCK mode:0666 dev:540,0 ino:24694 uid:0 gid:0 rdev:0,0 O_RDWR SOCK_STREAM SO_SNDBUF(16384),SO_RCVBUF(5120) sockname: AF_UNIX peer: node[89377] zone: f437f858-26ef-48db-a0b9-00cd59957e11[37] 3: S_IFREG mode:0644 dev:90,65693 ino:33213 uid:0 gid:0 size:1001437016 O_RDONLY|O_LARGEFILE /var/svc/log/smartdc-site-vmapi:default.log offset:31794594609 4: S_IFPORT mode:0000 dev:543,0 uid:0 gid:10 size:0
That offset matches the size of the rotated file.
-rw-r--r-- 1 root root 1001668693 Jun 5 17:34 smartdc-site-vmapi:default.log -rw-r--r-- 1 root root 31794594609 Jun 5 03:28 smartdc-site-vmapi:default.log.0
Updated by Robert Mustacchi over 8 years ago
- Status changed from New to Resolved
- % Done changed from 90 to 100
Resolved in 72102e7461c97dc268d21d9dd8f02da45f174acd.
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