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Tons of empty transactions

XFS fellows,

The other day I was lurking around on several machines of mine and
on one of them I found the following:

  Transactions
    xs_trans_sync........         16615 (  1.1480%)
    xs_trans_async.......        298806 ( 20.6458%)
    xs_trans_empty.......       1131876 ( 78.2062%)

in other words, four-fifth of XFS transactions are empty.  The
machine has light load and this was observed after approx. 80 days
uptime.  What could be the reason for such high number of empty
transactions? (no sources at hand to check for myself)

Peter

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 Kelemen Péter     /       \       /       \       /      fuji@elte.hu
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