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From:jonas Date:April 21 2006 4:52am
Subject:bk commit into 5.1 tree (jonas:1.2374) BUG#19244
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Below is the list of changes that have just been committed into a local
5.1 repository of jonas. When jonas does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2374 06/04/21 06:51:58 jonas@stripped +2 -0
  ndb -
    fix bug#19244, dd page got locked in page cache
    likely fix bug 18780

  storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp
    1.15 06/04/21 06:51:55 jonas@stripped +8 -0
    Set page to dirty when aborting prealloc

  storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp
    1.16 06/04/21 06:51:55 jonas@stripped +29 -4
    Fix so that insert/delete on DD does not lock page forever in memory

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/51-work

--- 1.14/storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp	2006-03-02 16:44:09 +01:00
+++ 1.15/storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp	2006-04-21 06:51:55 +02:00
@@ -1053,6 +1053,7 @@
   Ptr<Fragrecord> fragPtr;
   getFragmentrec(fragPtr, pagePtr.p->m_fragment_id, tabPtr.p);
 
+  disk_page_set_dirty(pagePtr);
   disk_page_abort_prealloc_callback_1(signal, fragPtr.p, pagePtr, sz);
 }
 
@@ -1074,6 +1075,13 @@
   ddassert(alloc.calc_page_free_bits(free - used) == old_idx);
   Uint32 new_idx = alloc.calc_page_free_bits(free - used + sz);
 
+#ifdef VM_TRACE
+  Local_key key;
+  key.m_page_no = pagePtr.p->m_page_no;
+  key.m_file_no = pagePtr.p->m_file_no;
+  ndbout << "disk_page_abort_prealloc_callback_1" << key << endl;
+#endif
+  
   Ptr<Extent_info> extentPtr;
   c_extent_pool.getPtr(extentPtr, ext);
   if (old_idx != new_idx)

--- 1.15/storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp	2006-02-14 08:09:42 +01:00
+++ 1.16/storage/ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp	2006-04-21 06:51:55 +02:00
@@ -473,13 +473,16 @@
   ptrCheckGuard(regTabPtr, no_of_tablerec, tablerec);
 
   PagePtr page;
-  Tuple_header* tuple_ptr= 0;
+  Tuple_header* tuple_ptr= (Tuple_header*)
+    get_ptr(&page, &regOperPtr.p->m_tuple_location, regTabPtr.p);
+  
+  bool get_page = false;
   if(regOperPtr.p->op_struct.m_load_diskpage_on_commit)
   {
+    Page_cache_client::Request req;
     ndbassert(regOperPtr.p->is_first_operation() && 
 	      regOperPtr.p->is_last_operation());
 
-    Page_cache_client::Request req;
     /**
      * Check for page
      */
@@ -490,15 +493,33 @@
       
       memcpy(&req.m_page, 
 	     tmp->get_disk_ref_ptr(regTabPtr.p), sizeof(Local_key));
+
+      if (unlikely(regOperPtr.p->op_struct.op_type == ZDELETE &&
+		   tmp->m_header_bits & Tuple_header::DISK_ALLOC))
+      {
+	jam();
+	/**
+	 * Insert+Delete
+	 */
+	regOperPtr.p->op_struct.m_load_diskpage_on_commit = 0;
+	regOperPtr.p->op_struct.m_wait_log_buffer = 0;	
+	disk_page_abort_prealloc(signal, regFragPtr.p, 
+				 &req.m_page, req.m_page.m_page_idx);
+	
+	c_lgman->free_log_space(regFragPtr.p->m_logfile_group_id, 
+				regOperPtr.p->m_undo_buffer_space);
+	ndbout_c("insert+delete");
+	goto skip_disk;
+      }
     } 
     else
     {
       // initial delete
       ndbassert(regOperPtr.p->op_struct.op_type == ZDELETE);
-      tuple_ptr= (Tuple_header*)
-	get_ptr(&page, &regOperPtr.p->m_tuple_location, regTabPtr.p);
       memcpy(&req.m_page, 
 	     tuple_ptr->get_disk_ref_ptr(regTabPtr.p), sizeof(Local_key));
+      
+      ndbassert(tuple_ptr->m_header_bits & Tuple_header::DISK_PART);
     }
     req.m_callback.m_callbackData= regOperPtr.i;
     req.m_callback.m_callbackFunction = 
@@ -522,6 +543,7 @@
       ndbrequire("NOT YET IMPLEMENTED" == 0);
       break;
     }
+    get_page = true;
     disk_page_set_dirty(*(Ptr<Page>*)&m_pgman.m_ptr);
     regOperPtr.p->m_commit_disk_callback_page= res;
     regOperPtr.p->op_struct.m_load_diskpage_on_commit= 0;
@@ -555,6 +577,7 @@
     tuple_ptr = (Tuple_header*)
       get_ptr(&page, &regOperPtr.p->m_tuple_location,regTabPtr.p);
   }
+skip_disk:
   req_struct.m_tuple_ptr = tuple_ptr;
   
   if(get_tuple_state(regOperPtr.p) == TUPLE_PREPARED)
@@ -599,6 +622,8 @@
     else
     {
       removeActiveOpList(regOperPtr.p, tuple_ptr);
+      if (get_page)
+	ndbassert(tuple_ptr->m_header_bits & Tuple_header::DISK_PART);
       dealloc_tuple(signal, gci, page.p, tuple_ptr, 
 		    regOperPtr.p, regFragPtr.p, regTabPtr.p); 
     }
Thread
bk commit into 5.1 tree (jonas:1.2374) BUG#19244jonas21 Apr