1689
61%
main: 61%

Ran 25 Oct 2018 10:18PM UTC

Jobs 1

Files 28

Run time 5s

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Committed 25 Oct 2018 10:11PM UTC coverage: 80.131% (+0.3%) from 79.806%

Build # 1689

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

Bug Fix: Truncate of penultimate log files (#616)

Value log files minus the most recent log one, were being opened with read-only permissions. If the value head pointer was pointing to them, and one of them had a file system corruption issue, where they missed their bits, it would cause Badger to try to truncate them. Being read-only, this would cause an "invalid argument" to be returned by the Go file.truncate call. This error caused confusion before, but essentially, it was being returned because the files were read-only, and therefore couldn't be truncated (EINVAL).

This PR fixes that by refactoring how value log is opened. It iterates over the log files, and if they need to be replayed, it would open them in RW mode; allowing truncation to happen (this also fixes the issue where if the file is mmapped, it won't be truncated). Then, it would open them in the mode they can be consumed by Badger.

Fixes #613 .

Run Details

4638 of 5788 relevant lines covered (80.13%)

219146.68 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	1689.1	25 Oct 2018 10:18PM UTC	0	80.13	Travis Job 1689.1

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