Update dlmemalign call to prevent plasma store crash with -f flag

apache · Jan 20, 2019 · d84046d · d84046d
1 parent a665b82
commit d84046d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/src/plasma/store.cc b/cpp/src/plasma/store.cc
@@ -913,7 +913,7 @@ class PlasmaStoreRunner {
     // achieve that by mallocing and freeing a single large amount of space.
     // that maximum allowed size up front.
     if (use_one_memory_mapped_file) {
-      void* pointer = plasma::dlmemalign(kBlockSize, system_memory);
+      void* pointer = plasma::dlmemalign(kBlockSize, system_memory - 8192);
       ARROW_CHECK(pointer != nullptr);
       plasma::dlfree(pointer);
     }