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wal: don't preallocate on old tail file

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Code is only there to handle an edge case where the tail wasn't preallocated
already (e.g., via old etcd version or a crash). It also triggers tmpfs
corruption, so remove it.
This commit is contained in:
Anthony Romano 2016-06-06 11:31:25 -07:00
parent 54aac4ab7e
commit 5be39d2c84
1 changed files with 0 additions and 7 deletions
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7
wal/wal.go
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@ -207,17 +207,10 @@ func openAtIndex(dirpath string, snap walpb.Snapshot, write bool) (*WAL, error)
// write reuses the file descriptors from read; don't close so
// WAL can append without dropping the file lock
w.readClose = nil
if _, _, err := parseWalName(path.Base(w.tail().Name())); err != nil {
closer()
return nil, err
}
// don't resize file for preallocation in case tail is corrupted
if err := fileutil.Preallocate(w.tail().File, segmentSizeBytes, false); err != nil {
closer()
plog.Errorf("failed to allocate space when creating new wal file (%v)", err)
return nil, err
}
w.fp = newFilePipeline(w.dir, segmentSizeBytes)
}