5b9ce0b551
Users can configure the number of worker threads however when it's not specified the calculated number of workers can get too large on hosts with a large number of CPUs. Change-Id: Ic0c77d03ab67d3850fa6b46010e63d886a96cc31
17 lines
751 B
Django/Jinja
17 lines
751 B
Django/Jinja
# {{ ansible_managed }}
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{%- set all_calculated_max_connections = [] %}
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{%- for galera_node in galera_cluster_members %}
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{%- set vcpus = hostvars[galera_node]['ansible_processor_vcpus'] %}
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{%- set _ = all_calculated_max_connections.append([[vcpus|default(2), 2] | max, galera_wsrep_slave_threads_max] | min * 100) %}
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{%- endfor %}
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{%- set calculated_min_connections = all_calculated_max_connections | min %}
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{%- set calculated_max_connections = galera_max_connections | default(calculated_min_connections) %}
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# How long to wait for successful mysql startup
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# Startup can take a while if it requires a galera state transfer.
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MYSQLD_STARTUP_TIMEOUT=1800
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ulimit -n {{ calculated_max_connections }}
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ulimit -Hn {{ calculated_max_connections }}
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