Changeset: b516eaf986af for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/b516eaf986af
Modified Files:
gdk/gdk_bbp.c
Branch: Jun2023
Log Message:
Add free bats to free list during initialization.
This fixes bug #7394.
diffs (28 lines):
diff --git a/gdk/gdk_bbp.c b/gdk/gdk_bbp.c
--- a/gdk/gdk_bbp.c
+++ b/gdk/gdk_bbp.c
@@ -332,7 +332,7 @@ BBPselectfarm(role_t role, int type, enu
static gdk_return
BBPextend(bat newsize)
{
- if (newsize >= N_BBPINIT * BBPINIT) {
+ if (newsize > N_BBPINIT * BBPINIT) {
GDKerror("trying to extend BAT pool beyond the "
"limit (%d)\n", N_BBPINIT * BBPINIT);
return GDK_FAIL;
@@ -1699,6 +1699,15 @@ BBPinit(void)
fclose(fp);
}
+ /* add free bats to free list in such a way that low numbered
+ * ones are at the head of the list */
+ for (bat i = (bat) ATOMIC_GET(&BBPsize) - 1; i > 0; i--) {
+ if (BBP_desc(i) == NULL) {
+ BBP_next(i) = BBP_free;
+ BBP_free = i;
+ }
+ }
+
/* will call BBPrecover if needed */
if (!GDKinmemory(0)) {
BBPtmlock();
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