Changeset: 56bbe74324f4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=56bbe74324f4
Modified Files:
gdk/gdk_bbp.c
Branch: Aug2018
Log Message:
Two small fixes to fix bug 6661.
- Reduce time spent in micro sleep waiting for a BAT to become available.
- Do not unload a BAT which has views on it.
diffs (21 lines):
diff --git a/gdk/gdk_bbp.c b/gdk/gdk_bbp.c
--- a/gdk/gdk_bbp.c
+++ b/gdk/gdk_bbp.c
@@ -101,7 +101,7 @@ static volatile ATOMIC_TYPE BBPsize = 0;
struct BBPfarm_t BBPfarms[MAXFARMS];
-#define KITTENNAP 4 /* used to suspend processing */
+#define KITTENNAP 1 /* used to suspend processing */
#define BBPNONAME "." /* filler for no name in BBP.dir */
/*
* The hash index uses a bucket index (int array) of size mask that is
@@ -2499,7 +2499,7 @@ decref(bat i, bool logical, bool release
(BBP_lrefs(i) > 0 &&
(b == NULL || BATdirty(b) || !(BBP_status(i) & BBPPERSISTENT)))) {
/* bat cannot be swapped out */
- } else if (b || (BBP_status(i) & BBPTMP)) {
+ } else if (b ? b->batSharecnt == 0 : (BBP_status(i) & BBPTMP)) {
/* bat will be unloaded now. set the UNLOADING bit
* while locked so no other thread thinks it's
* available anymore */
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