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martinsumner 2017-02-28 00:15:06 +00:00
parent 21c8b94437
commit 5235aa1adb
2 changed files with 4 additions and 2 deletions
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@ -114,4 +114,6 @@ The other n-1 vnodes must also do a local GET before the vnode PUT (so as not to
This branch changes the behaviour slightly at the non-coordinating vnodes. These vnodes will now try a HEAD request before the local PUT (not a GET request), and if the HEAD request contains a vclock which is <strong>dominated</strong> by the updated PUT, it will not attempt to fetch the whole object for the syntactic merge.
This should save two object fetches (where n=3) in most circumstances.
This should save two object fetches (where n=3) in most circumstances.
Note, although the branch name refers to the put fsm - the actual fsm is unchanged by this, all of the changes are within vnode_put