3625

Ran 25 Mar 2019 07:23PM UTC

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Build # 3625

Build Type

Pull #787

travis-ci

Committed by

web-flow

Commit Message

- proftpd should not rely fsio I/O is instant

one of our customers hit this glitch on back up server,
which serves files from SAM-QFS [1] volume. The I/O on
such FS can take up to several seconds. This typically
happens when file must be retrieved from tape.

In this case the FSIO read(2) operation fails with
EINTR error. The EINTR failure is mishandled further:
instead of reporting error to remote client, server
sends file with 0 size.

The patch also makes the write(2) more robust. We did
not hit such issue, but I believe similar failures
might happen when received files are written to
NFS file systems.

the issue got uncovered during upgrade of 1.3.5b
to 1.3.6. Unlike 1.3.5b the new 1.3.6 guarantees
a minimum alarm(2) interval to be a 5sec.

[1] https://en.wikipedia.org/wiki/QFS

Pull Request Pull Request #787: - proftpd should not rely fsio I/O is instant

Run Details

Jobs

ID	Job ID	Ran	Files	Coverage
1	3625.1 (PACKAGE_VERSION=1.3.7rc1)	25 Mar 2019 07:23PM UTC	0	82.39	Travis Job 3625.1
2	3625.2 (PACKAGE_VERSION=1.3.7rc1)	25 Mar 2019 07:23PM UTC	0		Travis Job 3625.2

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