解决shared buffer过大时实际占用共享内存超出预期的BUG

2020-11-27 17:12:25 +08:00 · 2020-11-27 17:12:25 +08:00 · e691d0496c
parent 467acdb8ea
commit e691d0496c
1 changed files with 6 additions and 0 deletions
--- a/src/gausskernel/storage/buffer/buf_init.cpp
+++ b/src/gausskernel/storage/buffer/buf_init.cpp
@ -175,6 +175,12 @@ Size BufferShmemSize(void)
    /* size of checkpoint sort array in bufmgr.c */
    size = add_size(size, mul_size(g_instance.attr.attr_storage.NBuffers, sizeof(CkptSortItem)));

+    /* size of candidate buffers */
+    size = add_size(size, mul_size(g_instance.attr.attr_storage.NBuffers, sizeof(Buffer)));
+
+    /* size of candidate free map */
+    size = add_size(size, mul_size(g_instance.attr.attr_storage.NBuffers, sizeof(bool)));
+
    return size;
 }