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Show SlowDown error message if backend is busy (#7521)

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or if there are too many open file descriptors.
This commit is contained in:
poornas
2019-05-02 07:09:57 -07:00
committed by kannappanr
parent 64998fc4ab
commit cf2a436bc8
8 changed files with 55 additions and 3 deletions
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8
cmd/posix.go
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@@ -726,6 +726,8 @@ func (s *posix) ReadAll(volume, path string) (buf []byte, err error) {
return nil, errVolumeNotFound
} else if isSysErrIO(err) {
return nil, errFaultyDisk
} else if isSysErrTooManyFiles(err) {
return nil, errTooManyOpenFiles
}
return nil, err
}
@@ -829,6 +831,8 @@ func (s *posix) ReadFile(volume, path string, offset int64, buffer []byte, verif
return 0, errFileAccessDenied
case isSysErrIO(err):
return 0, errFaultyDisk
case isSysErrTooManyFiles(err):
return 0, errTooManyOpenFiles
default:
return 0, err
}
@@ -939,6 +943,8 @@ func (s *posix) openFile(volume, path string, mode int) (f *os.File, err error)
return nil, errFileAccessDenied
case isSysErrIO(err):
return nil, errFaultyDisk
case isSysErrTooManyFiles(err):
return nil, errTooManyOpenFiles
default:
return nil, err
}
@@ -1001,6 +1007,8 @@ func (s *posix) ReadFileStream(volume, path string, offset, length int64) (io.Re
return nil, errFileAccessDenied
case isSysErrIO(err):
return nil, errFaultyDisk
case isSysErrTooManyFiles(err):
return nil, errTooManyOpenFiles
default:
return nil, err
}