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Re: How To Use More Resources
Posted by: Luis Cavazos
Date: January 07, 2015 09:14PM

I have 32G Ram,
Pool Buffer Size = 5G

The update is not that oftel actyally I just migrated from a Sybase Db, and this update will be once.

But it is often I hace to Delete information from the table like once a month,
and I delete the records of a Full month the syntax is this

delete from mkphis where pohfeclle < '2014/01/31 23:59:59' ;
But this will take forever, because there are about 15M of Records per month.


==========================================================================
CREATE TABLE `mkphis` (
`idano` decimal(4,0) NOT NULL,
`idreg` decimal(10,0) NOT NULL,
`idctm` decimal(4,0) NOT NULL,
`idtra` char(10) NOT NULL,
`pohfee` datetime NOT NULL,
`ideve` decimal(5,0) NOT NULL,
`pohlat` decimal(9,5) NOT NULL,
`pohlon` decimal(9,5) NOT NULL,
`pohrum` decimal(3,0) NOT NULL,
`pohmot` decimal(1,0) NOT NULL,
`pohvel` decimal(6,2) NOT NULL,
`idgpt` decimal(7,0) NOT NULL,
`pohkms` decimal(7,2) NOT NULL,
`pohdir` char(3) NOT NULL,
`pohprh` char(1) NOT NULL,
`pohsou` decimal(1,0) DEFAULT '0',
`pohage` decimal(1,0) DEFAULT NULL,
`pohfeclle` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`pohAd1` decimal(4,0) DEFAULT '0',
`pohAd2` decimal(4,0) DEFAULT '0',
`pohBat` decimal(3,0) DEFAULT '0',
`pohTrg` decimal(1,0) DEFAULT NULL,
`idPol` decimal(4,0) DEFAULT '0',
`FuelLevel` decimal(6,3) DEFAULT '0.000',
`Temperature` decimal(5,2) DEFAULT '-120.00',
PRIMARY KEY (`idano`,`idreg`),
KEY `mkphis_i1` (`idctm`,`pohfee`),
KEY `mkphis_i2` (`pohfee`,`idctm`,`idtra`),
KEY `mkphis_i3` (`idctm`,`idtra`,`pohfee`),
KEY `mkphis_i4` (`idctm`,`idtra`,`pohfee`),
KEY `mkphis_i5` (`pohfeclle`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1

==========================================================================
Variables
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Performance_schema_file_instances_lost 0
Performance_schema_hosts_lost 0
Performance_schema_locker_lost 0
Performance_schema_mutex_classes_lost 0
Performance_schema_mutex_instances_lost 0
Performance_schema_rwlock_classes_lost 0
Performance_schema_rwlock_instances_lost 0
Performance_schema_session_connect_attrs_lost 0
Performance_schema_socket_classes_lost 0
Performance_schema_socket_instances_lost 0
Performance_schema_stage_classes_lost 0
Performance_schema_statement_classes_lost 0
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Performance_schema_thread_instances_lost 0
Performance_schema_users_lost 0
Prepared_stmt_count 2
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Qcache_free_memory 1031432
Qcache_hits 0
Qcache_inserts 0
Qcache_lowmem_prunes 0
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Qcache_queries_in_cache 0
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Questions 126565469
Select_full_join 11494
Select_full_range_join 0
Select_range 33485738
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Select_scan 592010
Slave_heartbeat_period
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Slave_received_heartbeats
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Slave_running OFF
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Sort_rows 30966268
Sort_scan 7869285
Ssl_accept_renegotiates 0
Ssl_accepts 0
Ssl_callback_cache_hits 0
Ssl_cipher
Ssl_cipher_list
Ssl_client_connects 0
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Ssl_ctx_verify_depth 0
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Ssl_default_timeout 0
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Ssl_session_cache_misses 0
Ssl_session_cache_mode NONE
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Ssl_version
Table_locks_immediate 3477837563
Table_locks_waited 1
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Table_open_cache_misses 524
Table_open_cache_overflows 0
Tc_log_max_pages_used 0
Tc_log_page_size 0
Tc_log_page_waits 0
Threads_cached 5
Threads_connected 16
Threads_created 95
Threads_running 5
Uptime 1417791
Uptime_since_flush_status 1417791

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