On Tue, Feb 2, 2016 at 7:19 PM, Robert Haas <robertmh...@gmail.com> wrote: > > On Mon, Feb 1, 2016 at 12:27 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: > > Fixed. > > This patch doesn't build: > > ./xfunc.sgml: int lwlock_count = 0; > Tabs appear in SGML/XML files >
Changed the documentation and now I am not getting build failure. > The #define NUM_LWLOCKS 1 just seems totally unnecessary, as does int > lwlock_count = 0. You're only assigning one lock! I'd just do > RequestAddinLWLockTranche("pg_stat_statements locks", 1); pgss->lock = > GetLWLockAddinTranche("pg_stat_statements locks")->lock; and call it > good. > Changed as per suggestion. > I think we shouldn't foreclose the idea of core users of this facility > by using names like NumLWLocksByLoadableModules(). Why can't an > in-core client use this API? I think instead of calling these "addin > tranches" we should call them "named tranches"; thus public APIs > RequestNamedLWLockTranche() > and GetNamedLWLockTranche(), and private variables > NamedLWLockTrancheRequests, NamedLWLockTrancheRequestsAllocated, etc. > In fact, > Changed as per suggestion. > I do not see an obvious reason why the two looks in CreateLWLocks() > that end with "} while (++i < LWLockTrancheRequestsCount);" could not > be merged, and I believe that would be cleaner than what you've got > now. Similarly, the two loops in GetLWLockAddinTranche() could also > be merged. Just keep a running total and return it when you find a > match. > > I think it would be a good idea to merge LWLockAddInTrancheShmemSize > into LWLockShmemSize. I don't see why that function can't compute a > grand total and return it. > Agreed with both the points and changed as per suggestion. With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
separate_tranche_extensions_v4.patch
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