Redis Slave alway run Full resync from master in redis 4.0.12

10.8.132.236:7000> cluster nodes
599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master - 0 1589785735000 28 connected 6827-10922
a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master - 0 1589785734000 27 connected 0-1364 5461-6826 10923-12287
50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 0 1589785732000 35 connected
a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master - 0 1589785736523 29 connected 1365-5460
0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 0 1589785736000 28 connected
8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master - 0 1589785736000 35 connected 12288-16383
339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 myself,slave a7f53a14c54b00c317d85c8f1d0329fd9615191f 0 1589785735000 25 connected
10.8.132.236:7000> SHUTDOWN save
(37.35s)
not connected> exit

[root@localhost redis_4.12]# tail -f logs/redis_7000.log
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

606:M 18 May 15:12:26.845 # Server initialized
606:M 18 May 15:12:26.845 . Unrecognized RDB AUX field: 'redis-ver'
606:M 18 May 15:12:26.845 . Unrecognized RDB AUX field: 'redis-bits'
606:M 18 May 15:12:26.845 . Unrecognized RDB AUX field: 'ctime'
606:M 18 May 15:12:26.845 . Unrecognized RDB AUX field: 'used-mem'
606:M 18 May 15:12:26.845 . Unrecognized RDB AUX field: 'aof-preamble'
606:M 18 May 15:13:21.848 * DB loaded from disk: 55.004 seconds
606:M 18 May 15:13:21.849 * Ready to accept connections
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:41079
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:41610
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:45849
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.239:36465
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:38169
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.236:38525
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:34232
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:44642
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:33521
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.239:39646
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.236:36735
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:37115
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:33804
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:33664
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:34858
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.239:43736
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.236:36607
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:37146
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:34428
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:42953
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.237:39694
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.239:42284
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.236:43728
606:M 18 May 15:13:21.849 - Accepted cluster node 10.8.132.238:38302
606:M 18 May 15:13:21.849 - DB 0: 13464995 keys (4796 volatile) in 16777216 slots HT.
606:M 18 May 15:13:21.849 - 0 clients connected (0 slaves), 4652678864 bytes in use
606:M 18 May 15:13:21.849 . Connecting with Node a94935e905b6630c69c16944a3ba062a901f9108 at 10.8.132.239:17000
606:M 18 May 15:13:21.849 . Connecting with Node 0b8c238c3fceb6bed9603371d071bdccde54537d at 10.8.132.237:17000
606:M 18 May 15:13:21.849 . Connecting with Node 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e at 10.8.132.238:17001
606:M 18 May 15:13:21.849 . Connecting with Node 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e at 10.8.132.236:17001
606:M 18 May 15:13:21.849 . Connecting with Node a7f53a14c54b00c317d85c8f1d0329fd9615191f at 10.8.132.237:17001
606:M 18 May 15:13:21.849 . Connecting with Node 50b9b79e5f3d0895c206d37a3dfebbae7796401c at 10.8.132.238:17000
606:S 18 May 15:13:21.849 * Before turning into a slave, using my master parameters to synthesize a cached master: I may be able to synchronize with the new master with just a partial transfer.
606:S 18 May 15:13:21.849 # Cluster state changed: ok
606:S 18 May 15:13:21.849 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.849 . Ping packet received: (nil)
606:S 18 May 15:13:21.849 . ping packet received: (nil)
606:S 18 May 15:13:21.849 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.849 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.849 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.850 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.850 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.850 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.850 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.850 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.850 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.850 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.850 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.850 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.850 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.850 . Ping packet received: (nil)
606:S 18 May 15:13:21.850 . ping packet received: (nil)
606:S 18 May 15:13:21.850 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.850 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.851 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2464 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.851 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.851 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.851 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.851 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.851 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.851 . Ping packet received: (nil)
606:S 18 May 15:13:21.851 . ping packet received: (nil)
606:S 18 May 15:13:21.851 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.852 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . I/O error reading from node link: connection closed
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.852 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.852 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.852 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.852 . --- Processing packet of type 0, 2568 bytes
606:S 18 May 15:13:21.852 . Ping packet received: (nil)
606:S 18 May 15:13:21.852 . ping packet received: (nil)
606:S 18 May 15:13:21.852 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.852 . pong packet received: 0x7f7406451e00
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.852 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.852 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.852 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.852 . pong packet received: 0x7f7406453200
606:S 18 May 15:13:21.852 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.852 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave,fail
606:S 18 May 15:13:21.853 . GOSSIP 599d6c7dc3c7372559fe6e428fbc2a86fdc8ba0e 10.8.132.238:7001@17001 master
606:S 18 May 15:13:21.853 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.853 . pong packet received: 0x7f7406450000
606:S 18 May 15:13:21.853 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.853 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.853 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.853 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.853 . pong packet received: 0x7f7406450a00
606:S 18 May 15:13:21.853 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:21.853 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.853 . GOSSIP 50b9b79e5f3d0895c206d37a3dfebbae7796401c 10.8.132.238:7000@17000 slave
606:S 18 May 15:13:21.854 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.854 . pong packet received: 0x7f7406451400
606:S 18 May 15:13:21.854 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:21.854 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.854 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave
606:S 18 May 15:13:21.855 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:21.855 . pong packet received: 0x7f7406453c00
606:S 18 May 15:13:21.855 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:21.855 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:21.855 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:22.750 . Pinging node 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e
606:S 18 May 15:13:22.750 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:22.750 . pong packet received: 0x7f7406451e00
606:S 18 May 15:13:22.750 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave
606:S 18 May 15:13:22.750 . GOSSIP 0b8c238c3fceb6bed9603371d071bdccde54537d 10.8.132.237:7000@17000 slave
606:S 18 May 15:13:22.750 . GOSSIP a94935e905b6630c69c16944a3ba062a901f9108 10.8.132.239:7000@17000 master
606:S 18 May 15:13:22.851 * Connecting to MASTER 10.8.132.237:7001
606:S 18 May 15:13:22.851 * MASTER <-> SLAVE sync started
606:S 18 May 15:13:22.851 * Non blocking connect for SYNC fired the event.
606:S 18 May 15:13:22.851 * Master replied to PING, replication can continue...
606:S 18 May 15:13:22.852 * Trying a partial resynchronization (request 13733733e2829362d436732974cbbf73eab79577:1).
606:S 18 May 15:13:22.937 * Full resync from master: 5223525d0482f73d2b88d5e4e4713810405e3567:1189962
606:S 18 May 15:13:22.938 * Discarding previously cached master state.
606:S 18 May 15:13:23.752 . Pinging node a94935e905b6630c69c16944a3ba062a901f9108
606:S 18 May 15:13:23.752 . --- Processing packet of type 1, 2568 bytes
606:S 18 May 15:13:23.752 . pong packet received: 0x7f7406453200
606:S 18 May 15:13:23.752 . GOSSIP a7f53a14c54b00c317d85c8f1d0329fd9615191f 10.8.132.237:7001@17001 master
606:S 18 May 15:13:23.752 . GOSSIP 339cf60b195f68c13ffb4a7587ccf4f1a74a2eea 10.8.132.236:7000@17000 slave
606:S 18 May 15:13:23.752 . GOSSIP 8a6ba7fb45761b5afdf4c2c8abb6c813bf0ea05e 10.8.132.236:7001@17001 master
606:S 18 May 15:13:24.754 . Pinging node a7f53a14c54b00c317d85c8f1d0329fd9615191f

[root@localhost redis_4.12]# bin/redis-cli -h 10.8.132.237 -p 7001
10.8.132.237:7001> info replication
# Replication
role:master
connected_slaves:1
slave0:ip=10.8.132.236,port=7000,state=online,offset=0,lag=0
master_replid:5223525d0482f73d2b88d5e4e4713810405e3567
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:1190116
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1073741824
repl_backlog_first_byte_offset:1185915
repl_backlog_histlen:4202
10.8.132.237:7001>

10.8.132.237:7001> config get repl*
 1) "repl-ping-slave-period"
 2) "10"
 3) "repl-timeout"
 4) "3600"
 5) "repl-backlog-size"
 6) "1073741824"
 7) "repl-backlog-ttl"
 8) "3600"
 9) "repl-diskless-sync-delay"
10) "5"
11) "repl-disable-tcp-nodelay"
12) "no"
13) "repl-diskless-sync"
14) "no"

Comment From: trevor211

The replid is different from its master, thus trigger a FULL sync. Can you provide a way to reproduce it?