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Poul-Henning Kamp authored
which outweigh the trouble it causes. The original idea was to allow intelligent purging for space reason in a size-constrained storage. In practice, storage is seldomly constrained. In the cases where it is, I have yet to see any documented benefit from using vcl_discard{}, likely because of the fragmentation such use would cause. The implementation of the vcl_discard callback had severe costs in code complexity (not fully unrolled by this commit) and locking activity. The straw that breaks the camels back, is that faithfull implementation of vcl_discard{} in -spersistence would force us to relocate objects, at a cost likely higher than picking them up from the backend. git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4099 d4fa192b-c00b-0410-8231-f00ffab90ce4
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