perSecond function doesn't calculate any value

[rb-beip]

BUG REPORT

What version of Moira are you using ([binary] --version)?

amd64--2.5.1.0-1

$ api --version
2.5.1.0-1
$ checker --version
2.5.1.0-1
$ cli --version
2.5.1.0-1
$ filter --version
2.5.1.0-1
$ notifier --version
2.5.1.0-1

Configuration

api.yaml

redis:
  host: localhost
  port: "6379"
  dbid: 0
graphite:
  enabled: false
  runtime_stats: false
  uri: "localhost:2003"
  prefix: DevOps.Moira
  interval: 60s
remote:
  enabled: false
  timeout: 60s
api:
  listen: ":8081"
  enable_cors: false
web:
  contacts:
    - type: mail
      label: E-mail
    - type: pushover
      label: Pushover
    - type: slack
      label: Slack
    - type: telegram
      label: Telegram
      help: required to grant @MoiraBot admin privileges
    - type: twilio sms
      label: Twilio SMS
    - type: twilio voice
      label: Twilio voice
log:
  log_file: stdout
  log_level: info

checker.yaml

redis:
  host: localhost
  port: "6379"
  dbid: 0
graphite:
  enabled: false
  runtime_stats: false
  uri: "localhost:2003"
  prefix: DevOps.Moira
  interval: 60s
remote:
  enabled: false
  check_interval: 60s
  timeout: 60s
checker:
  nodata_check_interval: 60s
  check_interval: 10s
  metrics_ttl: 3h
  stop_checking_interval: 30s
log:
  log_file: stdout
  log_level: info

cli.yaml

redis:
  host: localhost
  port: "6379"
  dbid: 0
log_file: stdout
log_level: info

filter.yaml

redis:
  host: localhost
  port: "6379"
  dbid: 0
graphite:
  enabled: false
  runtime_stats: false
  uri: "localhost:2003"
  prefix: DevOps.Moira
  interval: 60s
filter:
  listen: ":3003"
  retention_config: /etc/moira/storage-schemas.conf
  cache_capacity: 10
  max_parallel_matches: 0
log:
  log_file: stdout
  log_level: info

notifier.yaml

redis:
  host: localhost
  port: "6379"
  dbid: 0
graphite:
  enabled: false
  runtime_stats: false
  uri: "localhost:2003"
  prefix: DevOps.Moira
  interval: 60s
remote:
  enabled: false
  timeout: 60s
notifier:
  sender_timeout: 10s
  resending_timeout: "1:00"
  senders:
    - type: slack
      api_token: XXXXXX
      use_emoji: true
  moira_selfstate:
    enabled: true
    remote_triggers_enabled: false
    redis_disconect_delay: 60s
    last_metric_received_delay: 120s
    last_check_delay: 120s
    last_remote_check_delay: 300s
    notice_interval: 600s
    contacts:
      - type: slack
        value: XXXXXX
  front_uri: https://XXXXXX
  timezone: Europe/Brussels
  date_time_format: "15:04 02.01.2006"
log:
  log_file: stdout
  log_level: info

What did you expect to see?

perSecond() metric calculated.

What did you see instead?

127.0.0.1:6379> zrange moira-metric-data:servers.beip.test.skinotix.beip.opensips.tm_5xx_transactions 0 -1
 1) "1591265232 0"
 2) "1591265532 0"
 3) "1591265832 0"
 4) "1591266132 0"
 5) "1591266432 0"
 6) "1591266732 0"
 7) "1591267032 0"
 8) "1591267332 0"
 9) "1591267632 0"
10) "1591267932 0"
11) "1591268232 0"
12) "1591268532 0"
13) "1591268832 0"
14) "1591269132 0"
15) "1591269432 0"
16) "1591269732 0"
17) "1591270032 0"
18) "1591270332 0"
19) "1591270632 0"
20) "1591270932 0"
21) "1591271232 0"
22) "1591271532 0"
23) "1591271832 0"
24) "1591272132 0"
25) "1591272432 0"
26) "1591272732 0"
27) "1591273032 0"
28) "1591273332 0"
29) "1591273632 0"
30) "1591273932 0"
31) "1591274232 0"
32) "1591274532 0"
33) "1591274832 0"
34) "1591275132 0"
35) "1591275432 0"
36) "1591275732 0"

This is the one of examples. Other having non-0 values give the same result. But they do have correct values in Redis:

127.0.0.1:6379> zrange moira-metric-data:servers.XXXXXX.prod.XXXXXX.beip.opensips.tm_5xx_transactions 0 -1
 1) "1591265421 14"
 2) "1591265721 16"
 3) "1591266021 16"
 4) "1591266320 20"
 5) "1591266621 24"
 6) "1591266920 24"
 7) "1591267220 24"
 8) "1591267520 29"
 9) "1591267820 29"
10) "1591268120 29"
11) "1591268420 30"
12) "1591268721 32"
13) "1591269020 34"
14) "1591269320 37"
15) "1591269620 37"
16) "1591269920 37"
17) "1591270220 41"
18) "1591270520 42"
19) "1591270820 42"
20) "1591271121 44"
21) "1591271421 51"
22) "1591271720 53"
23) "1591272020 57"
24) "1591272320 123"
25) "1591272621 295"
26) "1591272921 337"
27) "1591273220 380"
28) "1591273521 413"
29) "1591273821 436"
30) "1591274121 444"
31) "1591274421 464"
32) "1591274721 466"
33) "1591275021 485"
34) "1591275321 487"
35) "1591275621 513"
36) "1591275921 519"