class GitLab::Monitor::Database::BloatProber
Prober
class to gather bloat metrics
Constants
- METRIC_KEYS
Attributes
bloat_types[R]
collector[R]
metrics[R]
Public Class Methods
new(opts, metrics: PrometheusMetrics.new, collector: BloatCollector.new(connection_string: opts[:connection_string]))
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# File lib/gitlab_monitor/database/bloat.rb, line 40 def initialize(opts, metrics: PrometheusMetrics.new, collector: BloatCollector.new(connection_string: opts[:connection_string])) @metrics = metrics @collector = collector @bloat_types = opts[:bloat_types] || %i(btree table) end
Public Instance Methods
probe_db()
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# File lib/gitlab_monitor/database/bloat.rb, line 48 def probe_db bloat_types.each do |type| probe_for_type(type) end end
write_to(target)
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# File lib/gitlab_monitor/database/bloat.rb, line 54 def write_to(target) target.write(metrics.to_s) end
Private Instance Methods
probe_for_type(type)
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# File lib/gitlab_monitor/database/bloat.rb, line 60 def probe_for_type(type) collector.run(type).each do |query_name, data| METRIC_KEYS.each do |key| metrics.add("gitlab_database_bloat_#{type}_#{key}", data[key], query_name: query_name) end end self rescue PG::ConnectionBad self end