44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
set autocommit=1;
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create database db_1;
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create table db_1.t1(
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id int primary key auto_increment,
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col1 varchar(100),
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col2 int
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)engine= innodb;
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select count(*) from db_1.t1 as of gcn 2048 where id > 0;
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count(*)
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100
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select count(*) from db_1.t1 as of gcn 2048 where id > 0;
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count(*)
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100
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show global status like '%tcn_cache%';
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Variable_name Value
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Lizard_block_tcn_cache_hit 50
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Lizard_block_tcn_cache_miss 150
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Lizard_block_tcn_cache_evict 150
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Lizard_session_tcn_cache_hit 0
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Lizard_session_tcn_cache_miss 0
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Lizard_session_tcn_cache_evict 0
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Lizard_global_tcn_cache_hit 0
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Lizard_global_tcn_cache_miss 0
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Lizard_global_tcn_cache_evict 0
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select count(*) from db_1.t1 as of gcn 2048 where id > 0;
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count(*)
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100
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select count(*) from db_1.t1 as of gcn 2048 where id > 0;
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count(*)
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100
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show global status like '%tcn_cache%';
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Variable_name Value
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Lizard_block_tcn_cache_hit 150
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Lizard_block_tcn_cache_miss 250
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Lizard_block_tcn_cache_evict 250
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Lizard_session_tcn_cache_hit 0
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Lizard_session_tcn_cache_miss 0
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Lizard_session_tcn_cache_evict 0
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Lizard_global_tcn_cache_hit 0
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Lizard_global_tcn_cache_miss 0
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Lizard_global_tcn_cache_evict 0
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drop table db_1.t1;
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drop database db_1;
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