ivy · June 29, 2022 23:22 · Jun 29, 2022
diff --git a/example.txt b/example.txt
@@ -0,0 +1,27 @@
+ # | Next retry backoff | Total waiting time
+ -------------------------------------------
+ 1 |       0d 0h 0m 20s |       0d 0h 0m 20s
+ 2 |       0d 0h 0m 26s |       0d 0h 0m 46s
+ 3 |       0d 0h 0m 46s |       0d 0h 1m 32s
+ 4 |       0d 0h 1m 56s |       0d 0h 3m 28s
+ 5 |       0d 0h 4m 56s |       0d 0h 8m 24s
+ 6 |      0d 0h 11m 10s |      0d 0h 19m 34s
+ 7 |      0d 0h 22m 26s |       0d 0h 42m 0s
+ 8 |      0d 0h 40m 56s |      0d 1h 22m 56s
+ 9 |       0d 1h 9m 16s |      0d 2h 32m 12s
+10 |      0d 1h 50m 26s |      0d 4h 22m 38s
+11 |      0d 2h 47m 50s |      0d 7h 10m 28s
+12 |       0d 4h 5m 16s |     0d 11h 15m 44s
+13 |      0d 5h 46m 56s |      0d 17h 2m 40s
+14 |      0d 7h 57m 26s |        1d 1h 0m 6s
+15 |     0d 10h 41m 46s |     1d 11h 41m 52s
+16 |      0d 14h 5m 20s |      2d 1h 47m 12s
+17 |     0d 18h 13m 56s |       2d 20h 1m 8s
+18 |     0d 23h 13m 46s |     3d 19h 14m 54s
+19 |      1d 5h 11m 26s |      5d 0h 26m 20s
+20 |     1d 12h 13m 56s |     6d 12h 40m 16s
+21 |     1d 20h 28m 40s |       8d 9h 8m 56s
+22 |       2d 6h 3m 26s |    10d 15h 12m 22s
+23 |      2d 17h 6m 26s |     13d 8h 18m 48s
+24 |      3d 5h 46m 16s |      16d 14h 5m 4s
+25 |     3d 20h 11m 56s |     20d 10h 17m 0s
diff --git a/sidekiq-retry-table.rb b/sidekiq-retry-table.rb
@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+
+def rand(max)
+  max / 2
+end
+
+# From: https://github.com/mperham/sidekiq/blob/8e3dd2e6e898869b5026a76d2e01634737f41744/lib/sidekiq/job_retry.rb#L219-L226
+def delay_for(jobinst, count, exception)
+  jitter = rand(10) * (count + 1)
+  if jobinst&.sidekiq_retry_in_block
+    custom_retry_in = retry_in(jobinst, count, exception).to_i
+    return custom_retry_in + jitter if custom_retry_in > 0
+  end
+  (count**4) + 15 + jitter
+end
+
+def format_duration(i)
+  days = i / 86400
+  hours = i / 3600 % 24
+  minutes = i / 60 % 60
+  seconds = i % 60
+  "#{days}d #{hours}h #{minutes}m #{seconds}s"
+end
+
+0.upto(24).each do |i|
+  new_delay = delay_for(nil, i, nil)
+  previous_delay = i.downto(0).map { |j| delay_for(nil, j, nil) }.sum
+  puts "#{(i + 1).to_s.rjust(2)} | #{format_duration(new_delay).rjust(18)} | #{format_duration(previous_delay).rjust(18)}"
+end