BDB 4.1.24

BitKeeper/deleted/.del-ex_access.wpj~3df6ae8c99bf7c5f:
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BitKeeper/deleted/.del-ex_btrec.wpj~a7622f1c6f432dc6:
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BitKeeper/deleted/.del-ex_dbclient.wpj~7345440f3b204cdd:
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BitKeeper/deleted/.del-ex_env.wpj~fbe1ab10b04e8b74:
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BitKeeper/deleted/.del-ex_mpool.wpj~4479cfd5c45f327d:
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BitKeeper/deleted/.del-ex_tpcb.wpj~f78093006e14bf41:
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BitKeeper/deleted/.del-db_buildall.dsp~bd749ff6da11682:
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BitKeeper/deleted/.del-cxx_app.cpp~ad8df8e0791011ed:
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BitKeeper/deleted/.del-cxx_log.cpp~a50ff3118fe06952:
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BitKeeper/deleted/.del-cxx_table.cpp~ecd751e79b055556:
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BitKeeper/deleted/.del-namemap.txt~796a3acd3885d8fd:
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BitKeeper/deleted/.del-Design.fileop~3ca4da68f1727373:
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BitKeeper/deleted/.del-db185_int.h~61bee3736e7959ef:
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BitKeeper/deleted/.del-acconfig.h~411e8854d67ad8b5:
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BitKeeper/deleted/.del-mutex.m4~a13383cde18a64e1:
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BitKeeper/deleted/.del-options.m4~b9d0ca637213750a:
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BitKeeper/deleted/.del-programs.m4~3ce7890b47732b30:
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BitKeeper/deleted/.del-tcl.m4~f944e2db93c3b6db:
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BitKeeper/deleted/.del-types.m4~59cae158c9a32cff:
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BitKeeper/deleted/.del-script~d38f6d3a4f159cb4:
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BitKeeper/deleted/.del-configure.in~ac795a92c8fe049c:
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BitKeeper/deleted/.del-ltconfig~66bbd007d8024af:
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BitKeeper/deleted/.del-rec_ctemp~a28554362534f00a:
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BitKeeper/deleted/.del-s_tcl~2ffe4326459fcd9f:
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BitKeeper/deleted/.del-.IGNORE_ME~d8148b08fa7d5d15:
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BitKeeper/deleted/.del-btree.h~179f2aefec1753d:
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BitKeeper/deleted/.del-cxx_int.h~6b649c04766508f8:
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BitKeeper/deleted/.del-db.src~6b433ae615b16a8d:
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BitKeeper/deleted/.del-db_185.h~ad8b373d9391d35c:
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BitKeeper/deleted/.del-db_am.h~a714912b6b75932f:
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BitKeeper/deleted/.del-db_cxx.h~fcafadf45f5d19e9:
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BitKeeper/deleted/.del-db_dispatch.h~6844f20f7eb46904:
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BitKeeper/deleted/.del-db_int.src~419a3f48b6a01da7:
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BitKeeper/deleted/.del-db_join.h~76f9747a42c3399a:
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BitKeeper/deleted/.del-db_page.h~e302ca3a4db3abdc:
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BitKeeper/deleted/.del-db_server_int.h~e1d20b6ba3bca1ab:
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BitKeeper/deleted/.del-db_shash.h~5fbf2d696fac90f3:
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BitKeeper/deleted/.del-db_swap.h~1e60887550864a59:
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BitKeeper/deleted/.del-db_upgrade.h~c644eee73701fc8d:
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BitKeeper/deleted/.del-db_verify.h~b8d6c297c61f342e:
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BitKeeper/deleted/.del-debug.h~dc2b4f2cf27ccebc:
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BitKeeper/deleted/.del-hash.h~2aaa548b28882dfb:
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BitKeeper/deleted/.del-lock.h~a761c1b7de57b77f:
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BitKeeper/deleted/.del-log.h~ff20184238e35e4d:
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BitKeeper/deleted/.del-mp.h~7e317597622f3411:
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BitKeeper/deleted/.del-mutex.h~d3ae7a2977a68137:
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BitKeeper/deleted/.del-qam.h~6fad0c1b5723d597:
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BitKeeper/deleted/.del-tcl_db.h~c536fd61a844f23f:
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BitKeeper/deleted/.del-DbRecoveryInit.java~756b52601a0b9023:
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BitKeeper/deleted/.del-DbTxnRecover.java~74607cba7ab89d6d:
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BitKeeper/deleted/.del-lock_conflict.c~fc5e0f14cf597a2b:
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BitKeeper/deleted/.del-log.src~53ac9e7b5cb023f2:
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BitKeeper/deleted/.del-log_findckp.c~24287f008916e81f:
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BitKeeper/deleted/.del-log_rec.c~d51711f2cac09297:
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BitKeeper/deleted/.del-log_register.c~b40bb4efac75ca15:
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BitKeeper/deleted/.del-Design~b3d0f179f2767b:
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BitKeeper/deleted/.del-os_finit.c~95dbefc6fe79b26c:
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BitKeeper/deleted/.del-os_abs.c~df95d1e7db81924:
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BitKeeper/deleted/.del-os_finit.c~803b484bdb9d0122:
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BitKeeper/deleted/.del-os_map.c~3a6d7926398b76d3:
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BitKeeper/deleted/.del-os_finit.c~19a227c6d3c78ad:
  Delete: bdb/os_win32/os_finit.c
BitKeeper/deleted/.del-log-corruption.patch~1cf2ecc7c6408d5d:
  Delete: bdb/patches/log-corruption.patch
BitKeeper/deleted/.del-Btree.pm~af6d0c5eaed4a98e:
  Delete: bdb/perl.BerkeleyDB/BerkeleyDB/Btree.pm
BitKeeper/deleted/.del-BerkeleyDB.pm~7244036d4482643:
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BitKeeper/deleted/.del-BerkeleyDB.pod~e7b18fd6132448e3:
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BitKeeper/deleted/.del-BerkeleyDB.pod.P~79f76a1495eda203:
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BitKeeper/deleted/.del-BerkeleyDB.xs~80c99afbd98e392c:
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BitKeeper/deleted/.del-Changes~729c1891efa60de9:
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BitKeeper/deleted/.del-MANIFEST~63a1e34aecf157a0:
  Delete: bdb/perl.BerkeleyDB/MANIFEST
BitKeeper/deleted/.del-Makefile.PL~c68797707d8df87a:
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BitKeeper/deleted/.del-README~5f2f579b1a241407:
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BitKeeper/deleted/.del-Todo~dca3c66c193adda9:
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BitKeeper/deleted/.del-config.in~ae81681e450e0999:
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BitKeeper/deleted/.del-dbinfo~28ad67d83be4f68e:
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BitKeeper/deleted/.del-mkconsts~543ab60669c7a04e:
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BitKeeper/deleted/.del-mkpod~182c0ca54e439afb:
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BitKeeper/deleted/.del-5.004~e008cb5a48805543:
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BitKeeper/deleted/.del-irix_6_5.pl~61662bb08afcdec8:
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BitKeeper/deleted/.del-solaris.pl~6771e7182394e152:
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BitKeeper/deleted/.del-db-3.0.t~d2c60991d84558f2:
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BitKeeper/deleted/.del-db-3.2.t~f73b6461f98fd1cf:
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BitKeeper/deleted/.del-destroy.t~cc6a2ae1980a2ecd:
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BitKeeper/deleted/.del-env.t~a8604a4499c4bd07:
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BitKeeper/deleted/.del-examples.t~2571b77c3cc75574:
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BitKeeper/deleted/.del-examples3.t.T~66a186897a87026d:
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BitKeeper/deleted/.del-examples3.t~fe3822ba2f2d7f83:
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BitKeeper/deleted/.del-filter.t~f87b045c1b708637:
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BitKeeper/deleted/.del-hash.t~616bfb4d644de3a3:
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BitKeeper/deleted/.del-join.t~29fc39f74a83ca22:
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BitKeeper/deleted/.del-mldbm.t~31f5015341eea040:
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BitKeeper/deleted/.del-queue.t~8f338034ce44a641:
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BitKeeper/deleted/.del-recno.t~d4ddbd3743add63e:
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BitKeeper/deleted/.del-strict.t~6885cdd2ea71ca2d:
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BitKeeper/deleted/.del-subdb.t~aab62a5d5864c603:
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BitKeeper/deleted/.del-txn.t~65033b8558ae1216:
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BitKeeper/deleted/.del-unknown.t~f3710458682665e1:
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BitKeeper/deleted/.del-Changes~436f74a5c414c65b:
  Delete: bdb/perl.DB_File/Changes
BitKeeper/deleted/.del-DB_File.pm~ae0951c6c7665a82:
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BitKeeper/deleted/.del-DB_File.xs~89e49a0b5556f1d8:
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BitKeeper/deleted/.del-Makefile.PL~ac0567bb5a377e38:
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BitKeeper/deleted/.del-README~77e924a5a9bae6b3:
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BitKeeper/deleted/.del-config.in~ab4c2792b86a810b:
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BitKeeper/deleted/.del-dbinfo~461c43b30fab2cb:
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BitKeeper/deleted/.del-dynixptx.pl~50dcddfae25d17e9:
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BitKeeper/deleted/.del-typemap~55cffb3288a9e587:
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BitKeeper/deleted/.del-version.c~a4df0e646f8b3975:
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BitKeeper/deleted/.del-db-hash.t~7c4ad0c795c7fad2:
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BitKeeper/deleted/.del-db_server_proc.c~d46c8f409c3747f4:
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BitKeeper/deleted/.del-db_server_svc.sed~3f5e59f334fa4607:
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BitKeeper/deleted/.del-db_server_util.c~a809f3a4629acda:
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BitKeeper/deleted/.del-log.tcl~ff1b41f1355b97d7:
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BitKeeper/deleted/.del-mpool.tcl~b0df4dc1b04db26c:
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BitKeeper/deleted/.del-txn.tcl~c4ff071550b5446e:
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BitKeeper/deleted/.del-README~e800a12a5392010a:
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BitKeeper/deleted/.del-test-2.6.patch~4a52dc83d447547b:
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1 files changed, 75 insertions, 34 deletions

diff --git a/bdb/mp/mp_method.c b/bdb/mp/mp_method.c
index 85a6239b032..38f0a645f16 100644
--- a/bdb/mp/mp_method.c
+++ b/bdb/mp/mp_method.c
@@ -1,30 +1,30 @@
 /*-
  * See the file LICENSE for redistribution information.
  *
- * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ * Copyright (c) 1996-2002
  *	Sleepycat Software.  All rights reserved.
  */
 #include "db_config.h"
 
 #ifndef lint
-static const char revid[] = "$Id: mp_method.c,v 11.10 2000/04/04 20:12:04 bostic Exp $";
+static const char revid[] = "$Id: mp_method.c,v 11.29 2002/03/27 04:32:27 bostic Exp $";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
 #include <sys/types.h>
-#endif
 
-#ifdef  HAVE_RPC
-#include "db_server.h"
+#ifdef HAVE_RPC
+#include <rpc/rpc.h>
+#endif
 #endif
 
 #include "db_int.h"
-#include "db_shash.h"
-#include "mp.h"
+#include "dbinc/db_shash.h"
+#include "dbinc/mp.h"
 
 #ifdef HAVE_RPC
-#include "gen_client_ext.h"
-#include "rpc_client_ext.h"
+#include "dbinc_auto/db_server.h"
+#include "dbinc_auto/rpc_client_ext.h"
 #endif
 
 static int __memp_set_cachesize __P((DB_ENV *, u_int32_t, u_int32_t, int));
@@ -41,29 +41,46 @@ __memp_dbenv_create(dbenv)
 	DB_ENV *dbenv;
 {
 	/*
+	 * !!!
+	 * Our caller has not yet had the opportunity to reset the panic
+	 * state or turn off mutex locking, and so we can neither check
+	 * the panic state or acquire a mutex in the DB_ENV create path.
+	 *
 	 * We default to 32 8K pages.  We don't default to a flat 256K, because
 	 * some systems require significantly more memory to hold 32 pages than
 	 * others.  For example, HP-UX with POSIX pthreads needs 88 bytes for
 	 * a POSIX pthread mutex and almost 200 bytes per buffer header, while
-	 * Solaris needs 24 and 52 bytes for the same structures.
+	 * Solaris needs 24 and 52 bytes for the same structures.  The minimum
+	 * number of hash buckets is 37.  These contain a mutex also.
 	 */
-	dbenv->mp_bytes = 32 * ((8 * 1024) + sizeof(BH));
+	dbenv->mp_bytes =
+	    32 * ((8 * 1024) + sizeof(BH)) + 37 * sizeof(DB_MPOOL_HASH);
 	dbenv->mp_ncache = 1;
 
-	dbenv->set_mp_mmapsize = __memp_set_mp_mmapsize;
-	dbenv->set_cachesize = __memp_set_cachesize;
-
-#ifdef	HAVE_RPC
-	/*
-	 * If we have a client, overwrite what we just setup to
-	 * point to client functions.
-	 */
+#ifdef HAVE_RPC
 	if (F_ISSET(dbenv, DB_ENV_RPCCLIENT)) {
 		dbenv->set_cachesize = __dbcl_env_cachesize;
 		dbenv->set_mp_mmapsize = __dbcl_set_mp_mmapsize;
-	}
+		dbenv->memp_dump_region = NULL;
+		dbenv->memp_fcreate = __dbcl_memp_fcreate;
+		dbenv->memp_nameop = NULL;
+		dbenv->memp_register = __dbcl_memp_register;
+		dbenv->memp_stat = __dbcl_memp_stat;
+		dbenv->memp_sync = __dbcl_memp_sync;
+		dbenv->memp_trickle = __dbcl_memp_trickle;
+	} else
 #endif
-
+	{
+		dbenv->set_cachesize = __memp_set_cachesize;
+		dbenv->set_mp_mmapsize = __memp_set_mp_mmapsize;
+		dbenv->memp_dump_region = __memp_dump_region;
+		dbenv->memp_fcreate = __memp_fcreate;
+		dbenv->memp_nameop = __memp_nameop;
+		dbenv->memp_register = __memp_register;
+		dbenv->memp_stat = __memp_stat;
+		dbenv->memp_sync = __memp_sync;
+		dbenv->memp_trickle = __memp_trickle;
+	}
 }
 
 /*
@@ -78,26 +95,50 @@ __memp_set_cachesize(dbenv, gbytes, bytes, ncache)
 {
 	ENV_ILLEGAL_AFTER_OPEN(dbenv, "set_cachesize");
 
-	dbenv->mp_gbytes = gbytes + bytes / GIGABYTE;
-	dbenv->mp_bytes = bytes % GIGABYTE;
-	dbenv->mp_ncache = ncache == 0 ? 1 : ncache;
+	/* Normalize the values. */
+	if (ncache == 0)
+		ncache = 1;
 
 	/*
-	 * If the application requested less than 500Mb, increase the
-	 * cachesize by 25% to account for our overhead.  (I'm guessing
-	 * that caches over 500Mb are specifically sized, i.e., it's
-	 * a large server and the application actually knows how much
-	 * memory is available.)
+	 * You can only store 4GB-1 in an unsigned 32-bit value, so correct for
+	 * applications that specify 4GB cache sizes -- we know what they meant.
+	 */
+	if (gbytes / ncache == 4 && bytes == 0) {
+		--gbytes;
+		bytes = GIGABYTE - 1;
+	} else {
+		gbytes += bytes / GIGABYTE;
+		bytes %= GIGABYTE;
+	}
+
+	/* Avoid too-large cache sizes, they result in a region size of zero. */
+	if (gbytes / ncache > 4 || (gbytes / ncache == 4 && bytes != 0)) {
+		__db_err(dbenv, "individual cache size too large");
+		return (EINVAL);
+	}
+
+	/*
+	 * If the application requested less than 500Mb, increase the cachesize
+	 * by 25% and factor in the size of the hash buckets to account for our
+	 * overhead.  (I'm guessing caches over 500Mb are specifically sized,
+	 * that is, it's a large server and the application actually knows how
+	 * much memory is available.  We only document the 25% overhead number,
+	 * not the hash buckets, but I don't see a reason to confuse the issue,
+	 * it shouldn't matter to an application.)
 	 *
 	 * There is a minimum cache size, regardless.
 	 */
-	if (dbenv->mp_gbytes == 0) {
-		if (dbenv->mp_bytes < 500 * MEGABYTE)
-			dbenv->mp_bytes += dbenv->mp_bytes / 4;
-		if (dbenv->mp_bytes < DB_CACHESIZE_MIN)
-			dbenv->mp_bytes = DB_CACHESIZE_MIN;
+	if (gbytes == 0) {
+		if (bytes < 500 * MEGABYTE)
+			bytes += (bytes / 4) + 37 * sizeof(DB_MPOOL_HASH);
+		if (bytes / ncache < DB_CACHESIZE_MIN)
+			bytes = ncache * DB_CACHESIZE_MIN;
 	}
 
+	dbenv->mp_gbytes = gbytes;
+	dbenv->mp_bytes = bytes;
+	dbenv->mp_ncache = ncache;
+
 	return (0);
 }