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From:Magne Mahre Date:November 24 2008 11:34am
Subject:bzr commit into mysql-6.0-runtime branch (magne.mahre:2752) Bug#38661
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#At file:///home/mm136784/z/mysql-6.0-runtime/ based on revid:kostja@stripped

 2752 Magne Mahre	2008-11-24
      Bug #38661 all threads hang in "opening tables" or 
         "waiting for table" and cpu is at 100%
      A race between open_tables and a "flush table" operation
      resulted in neither being able to complete.  open_tables
      was not able to open the table and initiated a recover.
      The conditions for completing the recovery were too
      strict and couldn't be achieved while the flush was
      running.  The solution was to loosen the requirement
      that said that a share couldn't exist without a table,
      since this is actually a valid condition in certain

=== modified file 'sql/'

=== modified file 'sql/'
--- a/sql/	2008-11-18 19:41:51 +0000
+++ b/sql/	2008-11-24 11:27:20 +0000
@@ -7678,8 +7678,7 @@
       mdl_get_tdc_key(lock_data, &key);
       if ((share= (TABLE_SHARE*) hash_search(&table_def_cache, (uchar*) key.str,
                                              key.length)) &&
-          share->version != refresh_version &&
-          !share->used_tables.is_empty())
+          share->version != refresh_version)
     if (!lock_data)

bzr commit into mysql-6.0-runtime branch (magne.mahre:2752) Bug#38661Magne Mahre24 Nov
  • Re: bzr commit into mysql-6.0-runtime branch (magne.mahre:2752)Bug#38661Dmitry Lenev2 Dec