1
create schema if not exists data_dictionary;
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select * from data_dictionary.memcached_stats;
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ERROR HY000: No value in MEMCACHED_STATS_SERVERS variable.
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select variable_name, variable_value
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from data_dictionary.global_variables
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where variable_name = 'memcached_stats_servers';
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variable_name variable_value
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memcached_stats_servers 18446744073709551615
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set global memcached_stats_servers = 'localhost:MC_A_PORT';;
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select variable_name, variable_value
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from data_dictionary.global_variables
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where variable_name = 'memcached_stats_servers';
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variable_name variable_value
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memcached_stats_servers #
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from data_dictionary.memcached_stats;
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NAME PORT_NUMBER PROCESS_ID UPTIME TIME VERSION POINTER_SIZE RUSAGE_USER RUSAGE_SYSTEM CURRENT_ITEMS TOTAL_ITEMS BYTES CURRENT_CONNECTIONS TOTAL_CONNECTIONS CONNECTION_STRUCTURES GETS SETS HITS MISSES EVICTIONS BYTES_READ BYTES_WRITTEN LIMIT_MAXBYTES THREADS
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localhost # # # # # # # # 0 0 0 # # # 0 0 0 0 0 # # # #