Hi Krishna, how do i make my index to get more key blocks
On 5/13/08, Krishna Chandra Prajapati <[EMAIL PROTECTED]> wrote: > > Hi anand, > > PRIMARY KEY (`id`), > KEY `KI_IDX_0805090456` (`words`,`id`), > KEY `CI_IDX_0805090456` (`lf_id`) > > Since id is a primary key. Then why again indexing on id is being created > (`words`,`id`). It will be a duplicate index on id. words is a varchar > type. So instead of creating fulltext index restrict word(15)). Try. Key > buffer seems to be OK. > > No free key blocks are there. This can be the reason. > Key_blocks_unused 0 > > > > On Mon, May 12, 2008 at 6:48 PM, Ananda Kumar <[EMAIL PROTECTED]> wrote: > > > Hi All, > > We have a table which is around 100 Million rows. Its a myisam table, > > but > > the db default is innodb. > > CREATE TABLE `dc_data` ( > > `id` decimal(22,0) NOT NULL, > > `words` varchar(255) NOT NULL, > > `lf_id` decimal(22,0) NOT NULL, > > `occurence` bigint(20) NOT NULL, > > `date_modified` timestamp NULL default CURRENT_TIMESTAMP on update > > CURRENT_TIMESTAMP) ENGINE=MyIsam DEFAULT CHARSET=utf8 > > > > > > indexs are as below > > > > PRIMARY KEY (`id`), > > KEY `KI_IDX_0805090456` (`words`,`id`), > > KEY `CI_IDX_0805090456` (`lf_id`) > > > > we have 8 cpu, 8 gb ram. > > We use set below parameters at session level > > > > myisam_sort_buffer_size=300MB > > myisam_max_sort_file_size=10GB > > > > Each index creation is taking 10hrs, is there any way i can speed up > > index > > creation. > > > > regards > > anandkl > > > > > > -- > Krishna Chandra Prajapati > >
