From: Robert Haas <rhaas@postgresql.org>
Date: Wed, 25 Jul 2012 15:58:47 +0000 (-0400)
Subject: Show shared memory allocated for each hash table.
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=fe7cb3573438014741db3a0f2d2f920fcab4eb57;p=users%2Fandresfreund%2Fpostgres.git

Show shared memory allocated for each hash table.
---

diff --git a/contrib/hashtest/hashtest.c b/contrib/hashtest/hashtest.c
index a8980f87ac..94120216a7 100644
--- a/contrib/hashtest/hashtest.c
+++ b/contrib/hashtest/hashtest.c
@@ -47,14 +47,20 @@ static LWLockId dynahash_lock[DYNAHASH_PARTITIONS];
 void
 _PG_init(void)
 {
+	Size	cs;
+	Size	ds;
+
 	if (!process_shared_preload_libraries_in_progress)
 		return;
 	prev_shmem_startup_hook = shmem_startup_hook;
 	shmem_startup_hook = hashtest_shmem_startup;
 	chash = CHashBootstrap(&cdesc);
-	RequestAddinShmemSpace(CHashEstimateSize(chash));
-	RequestAddinShmemSpace(hash_estimate_size(cdesc.capacity,
-											  cdesc.element_size));
+	cs = CHashEstimateSize(chash);
+	RequestAddinShmemSpace(cs);
+	ds = hash_estimate_size(cdesc.capacity, cdesc.element_size);
+	RequestAddinShmemSpace(ds);
+	elog(LOG, "chash: %u bytes; dynahash: %u bytes", (unsigned) cs,
+		 (unsigned) ds);
 	RequestAddinLWLocks(DYNAHASH_PARTITIONS);
 }