Since I have been a home recently, I put some time correcting bugs in WaffleGrid and adding new features. Thanks to gdb, I have been able to understand a silly bug that was affecting WaffleGrid with sysbench but, weird enough, not with dbt2. Everything is in the way connections are established. I will blog more about that soon.
Regarding the new features, it is now possible to choose which tables you want to push to memcached. For that purpose, two new parameters have been introduce:
innodb_memcached_table_filter_enable = 0 | 1 (default to 0)
to enable the filtering and
innodb_memcached_table_list = db1/table1,db2/table2
to list the tables. This feature is filtering based on the space id so, innodb_file_per_table has to be set. Right now, the association table space_id is done only at startup so, the table has to exist. Also, since an alter table change the space_id… you need to restart MySQL …[Read more]