memcache: Increase size of default memcache to 512k

With the fixed accounting of talloc objects, the default cache size
needs to increase. The exact increase required depends on the workloads,
going form 256k to 512k seems like a reasonable guess.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13865

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from commit 9ff5c0bab76c5d3d7bea1fcb79861d0c9a3b9839)

diff --git a/docs-xml/smbdotconf/filename/maxstatcachesize.xml b/docs-xml/smbdotconf/filename/maxstatcachesize.xml
index 63f91e70fd275c73280b35d01b03f0e0cdc63638..866d74d6ffd1f565c2ccab692fb00266ed9de22e 100644 (file)
--- a/docs-xml/smbdotconf/filename/maxstatcachesize.xml
+++ b/docs-xml/smbdotconf/filename/maxstatcachesize.xml
@@ -13,6 +13,6 @@
        </para>
 </description>
 <related>stat cache</related>
-<value type="default">256</value>
+<value type="default">512</value>
 <value type="example">100</value>
 </samba:parameter>

diff --git a/lib/param/loadparm.c b/lib/param/loadparm.c
index f31ef2319ac67b9b5d09cc90a0592ae07742a9e5..e4d27cae8ea4ef817f6c3d50f7b368af773abbab 100644 (file)
--- a/lib/param/loadparm.c
+++ b/lib/param/loadparm.c
@@ -2930,7 +2930,7 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
 
        lpcfg_do_global_parameter(lp_ctx, "durable handles", "yes");
 
-       lpcfg_do_global_parameter(lp_ctx, "max stat cache size", "256");
+       lpcfg_do_global_parameter(lp_ctx, "max stat cache size", "512");
 
        lpcfg_do_global_parameter(lp_ctx, "ldap passwd sync", "no");
 

diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 29d9d59390b46241f474449fdc117b0eaa15758e..c8a07c954f9c09310b6941ea1ca1269e9a6fedf7 100644 (file)
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -698,7 +698,7 @@ static void init_globals(struct loadparm_context *lp_ctx, bool reinit_globals)
        Globals.nt_status_support = true; /* Use NT status by default. */
        Globals.smbd_profiling_level = 0;
        Globals.stat_cache = true;      /* use stat cache by default */
-       Globals.max_stat_cache_size = 256; /* 256k by default */
+       Globals.max_stat_cache_size = 512; /* 512k by default */
        Globals.restrict_anonymous = 0;
        Globals.client_lanman_auth = false;     /* Do NOT use the LanMan hash if it is available */
        Globals.client_plaintext_auth = false;  /* Do NOT use a plaintext password even if is requested by the server */