Re: Archive Some Data from Huge Table (>1TB)

[Ravi Rai]

Ravi Rai Wrote:
-------------------------------------------------------
> Hi All,
>
> I need to archive some data(Based on condition)
> from a huge table(size > 1TB).
> My Table structure is as follows. This table is
> having 2 foreign keys and also have TEXT type
> column. Need suggestion with minimum down time.
> MYSQL Version - 5.6
>
>
>
> CREATE TABLE `emp_details` (
> `id` BIGINT(20) NOT NULL AUTO_INCREMENT,
> `emp_ref_no` BIGINT(20) NOT NULL,
> `emp_client_id` BIGINT(20) NOT NULL,
> `date_of_joining` DATE NULL DEFAULT NULL,
> `job_status` INT(11) NULL DEFAULT NULL,
> `user_request` TEXT NULL,
> `user_response` MEDIUMTEXT NULL,
> `user_raw_response` LONGTEXT NULL,
> `is_online` TINYINT(1) NULL DEFAULT '0',
> `user_request_id` VARCHAR(20) NULL DEFAULT NULL,
> `errors` TEXT NULL,
> `date_of_user_request` DATE NULL DEFAULT NULL,
> `user_process_def_key` VARCHAR(100) NULL DEFAULT
> T NULL,
> `active` TINYINT(1) NOT NULL DEFAULT '1',
> `user_eligibility_rule_status` INT(2) NULL DEFAULT
> T '0',
> `is_processed_by_batch` TINYINT(1) NULL DEFAULT
> T '0',
> PRIMARY KEY (`id`),
> INDEX `fk_user_reference_id`
> ` (`user_reference_id`),
> INDEX `fk_user_client_id` (`user_client_id`),
> CONSTRAINT `fk_user_client_id` FOREIGN KEY
> Y (`user_client_id`) REFERENCES `m_user` (`id`),
> CONSTRAINT
> T `fk_user_reference_id`
> FOREIGN KEY (`user_app_reference_id`) REFERENCES
> `m_user_app_reference` (`id`)
> )
> COLLATE='utf8_general_ci'
> ENGINE=InnoDB
> AUTO_INCREMENT=2400278677
> ;