Class: Lowkiq::Schedulers::Lag
- Inherits:
-
Object
- Object
- Lowkiq::Schedulers::Lag
- Defined in:
- lib/lowkiq/schedulers/lag.rb
Instance Method Summary collapse
- #build_job(shard_handlers) ⇒ Object
-
#initialize(wait, metrics) ⇒ Lag
constructor
A new instance of Lag.
Constructor Details
#initialize(wait, metrics) ⇒ Lag
Returns a new instance of Lag.
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# File 'lib/lowkiq/schedulers/lag.rb', line 4 def initialize(wait, metrics) @metrics = metrics @wait = wait end |
Instance Method Details
#build_job(shard_handlers) ⇒ Object
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# File 'lib/lowkiq/schedulers/lag.rb', line 9 def build_job(shard_handlers) Proc.new do identifiers = shard_handlers.map { |sh| { queue_name: sh.queue_name, shard: sh.shard_index } } metrics = @metrics.call identifiers shard_handler, _lag = shard_handlers.zip(metrics.map(&:lag)) .select { |(_, lag)| lag > 0 } .max_by { |(_, lag)| lag } if shard_handler shard_handler.process else @wait.call end end end |