[CASSANDRA-14917] Nodetool netstats displays incorrect information on streaming

• Type: Bug
• Status: Open
• Priority: Low
• Resolution: Unresolved
• Component/s: Legacy/Streaming and Messaging
• Severity: Low
• Assignee: Dinesh Joshi
• Reporter: Igor Zubchenok

Authors

Dinesh Joshi

• Created: 02/Dec/18 09:57
• Updated: 07/Jan/20 00:14

Description

nodetool netstats command displays 'Sending 0 files' and non-zero 'bytes total' during node decommission.

Sending 0 files, 198933290919 bytes total. Already sent 0 files, 0 bytes total

Complete notetool netstats response

# nodetool netstats | grep -v 100%
Mode: LEAVING
Unbootstrap 67096090-f604-11e8-bbbb-03532290668f
    /X.X.X.X
        Sending 8039 files, 174905861575 bytes total. Already sent 3147 files, 39883605552 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bfd4a21086b711e7b6cbfd84ea9f1f78/mc-100884-big-Data.db 1866267759/8275615307 bytes(22%) sent to idx:0/5.9.54.111
    /X.X.X.X
        Sending 5475 files, 167399940563 bytes total. Already sent 2416 files, 49417386715 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bd8310f086b711e7b6cbfd84ea9f1f78/mc-459374-big-Data.db 10192112/17529144 bytes(58%) sent to idx:0/5.9.59.101
    /X.X.X.X
        Sending 5843 files, 181124719187 bytes total. Already sent 2613 files, 57001466824 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bd8310f086b711e7b6cbfd84ea9f1f78/mc-461873-big-Data.db 1439600/93308008 bytes(1%) sent to idx:0/46.4.31.97
    /X.X.X.X
        Sending 7303 files, 213976795121 bytes total. Already sent 1811 files, 28956350780 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bfd4a21086b711e7b6cbfd84ea9f1f78/mc-100465-big-Data.db 3719051/37149976 bytes(10%) sent to idx:0/144.76.85.237
    /X.X.X.X
        Sending 7893 files, 204271020294 bytes total. Already sent 2397 files, 36086600359 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bfd4a21086b711e7b6cbfd84ea9f1f78/mc-100197-big-Data.db 646314/8291439 bytes(7%) sent to idx:0/144.76.29.39
    /X.X.X.X
        Sending 0 files, 198933290919 bytes total. Already sent 0 files, 0 bytes total
    /X.X.X.X
        Sending 6159 files, 187102577561 bytes total. Already sent 1526 files, 26019708822 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bfd4a21086b711e7b6cbfd84ea9f1f78/mc-100685-big-Data.db 52211410/67213497 bytes(77%) sent to idx:0/144.76.85.182
    /X.X.X.X
        Sending 6534 files, 193239644509 bytes total. Already sent 2367 files, 48105187871 bytes total
            /var/lib/cassandra/data/app_tracks/tracks-bfd4a21086b711e7b6cbfd84ea9f1f78/mc-100884-big-Data.db 5907583715/10068538729 bytes(58%) sent to idx:0/5.9.48.222
    /X.X.X.X
        Sending 5923 files, 213438389441 bytes total. Already sent 1663 files, 32469866925 bytes total
Read Repair Statistics:
Attempted: 3537331
Mismatch (Blocking): 2193
Mismatch (Background): 4326
Pool Name                    Active   Pending      Completed   Dropped
Large messages                  n/a        18          87460       746
Small messages                  n/a         8     9837560424     12410
Gossip messages                 n/a         8        7666199     84717