=== REDIS BUG REPORT START: Cut & paste starting from here === [21976] 05 Apr 18:19:06.267 # Redis 2.8.19 crashed by signal: 11 [21976] 05 Apr 18:19:06.267 # Failed assertion: (:0) [21976] 05 Apr 18:19:06.267 # --- STACK TRACE redis-rdb-bgsave :6379(logStackTrace+0x3e)[0x44cade] redis-rdb-bgsave :6379(dictNext+0x6e)[0x41b3ae] /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7fac72bf3390] redis-rdb-bgsave :6379(dictNext+0x6e)[0x41b3ae] redis-rdb-bgsave :6379(rdbSaveObject+0xcc)[0x432dbc] redis-rdb-bgsave :6379(rdbSaveKeyValuePair+0x94)[0x433164] redis-rdb-bgsave :6379(rdbSaveRio+0x1ce)[0x43334e] redis-rdb-bgsave :6379(rdbSave+0x7b)[0x43365b] redis-rdb-bgsave :6379(rdbSaveBackground+0x151)[0x433911] redis-rdb-bgsave :6379(serverCron+0x587)[0x41ea07] redis-rdb-bgsave :6379(aeProcessEvents+0x20b)[0x4190eb] redis-rdb-bgsave :6379(aeMain+0x2b)[0x4192fb] redis-rdb-bgsave :6379(main+0x320)[0x418010] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fac72838830] redis-rdb-bgsave *:6379[0x41819d] [21976] 05 Apr 18:19:06.269 # --- INFO OUTPUT [21976] 05 Apr 18:19:06.270 # # Server redis_version:2.8.19 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:c924f4b09fc40d3 redis_mode:standalone os:Linux 4.4.0-176-generic x86_64 arch_bits:64 multiplexing_api:epoll gcc_version:4.6.3 process_id:21976 run_id:8093923af0507b4383489898a4f379eb9ec732a5 tcp_port:6379 uptime_in_seconds:654284 uptime_in_days:7 hz:10 lru_clock:9052354 config_file:/home/anansi/redis/redis_city/conf/redis.conf

Clients

connected_clients:24 client_longest_output_list:0 client_biggest_input_buf:0 blocked_clients:0

Memory

used_memory:18319585424 used_memory_human:17.06G used_memory_rss:18715017216 used_memory_peak:18330390952 used_memory_peak_human:17.07G used_memory_lua:35840 mem_fragmentation_ratio:1.02 mem_allocator:jemalloc-3.6.0

Persistence

loading:0 rdb_changes_since_last_save:64236 rdb_bgsave_in_progress:0 rdb_last_save_time:1586110597 rdb_last_bgsave_status:ok rdb_last_bgsave_time_sec:104 rdb_current_bgsave_time_sec:-1 aof_enabled:0 aof_rewrite_in_progress:0 aof_rewrite_scheduled:0 aof_last_rewrite_time_sec:-1 aof_current_rewrite_time_sec:-1 aof_last_bgrewrite_status:ok aof_last_write_status:ok

Stats

total_connections_received:92611 total_commands_processed:1245284470 instantaneous_ops_per_sec:2581 total_net_input_bytes:81706187086 total_net_output_bytes:92845209858 instantaneous_input_kbps:166.39 instantaneous_output_kbps:207.02 rejected_connections:0 sync_full:0 sync_partial_ok:0 sync_partial_err:0 expired_keys:0 evicted_keys:0 keyspace_hits:1025490003 keyspace_misses:51067792 pubsub_channels:0 pubsub_patterns:0 latest_fork_usec:250192

Replication

role:master connected_slaves:0 master_repl_offset:0 repl_backlog_active:0 repl_backlog_size:1048576 repl_backlog_first_byte_offset:0 repl_backlog_histlen:0

CPU

used_cpu_sys:5.21 used_cpu_user:82.61 used_cpu_sys_children:0.00 used_cpu_user_children:0.00

Commandstats

cmdstat_get:calls=172166,usec=592587,usec_per_call=3.44 cmdstat_set:calls=280704,usec=1777646,usec_per_call=6.33 cmdstat_setnx:calls=6180,usec=22013,usec_per_call=3.56 cmdstat_del:calls=190254,usec=3453127,usec_per_call=18.15 cmdstat_exists:calls=14473,usec=30624,usec_per_call=2.12 cmdstat_lpush:calls=2723325,usec=16759460,usec_per_call=6.15 cmdstat_lset:calls=162121,usec=574559,usec_per_call=3.54 cmdstat_lrange:calls=1250220,usec=24912517,usec_per_call=19.93 cmdstat_ltrim:calls=2719077,usec=15677011,usec_per_call=5.77 cmdstat_lrem:calls=2868,usec=19981,usec_per_call=6.97 cmdstat_sadd:calls=222,usec=15300,usec_per_call=68.92 cmdstat_sismember:calls=275,usec=1070,usec_per_call=3.89 cmdstat_smembers:calls=24,usec=543,usec_per_call=22.62 cmdstat_zadd:calls=9679445,usec=202755490,usec_per_call=20.95 cmdstat_zincrby:calls=362156,usec=5257792,usec_per_call=14.52 cmdstat_zrem:calls=173856,usec=930710,usec_per_call=5.35 cmdstat_zremrangebyrank:calls=294103,usec=1419389,usec_per_call=4.83 cmdstat_zunionstore:calls=7,usec=5334050,usec_per_call=762007.12 cmdstat_zrange:calls=675,usec=15788,usec_per_call=23.39 cmdstat_zcount:calls=48154,usec=486187,usec_per_call=10.10 cmdstat_zrevrange:calls=855596,usec=12416336,usec_per_call=14.51 cmdstat_zcard:calls=541223,usec=1315757,usec_per_call=2.43 cmdstat_zscore:calls=11421264,usec=89658347,usec_per_call=7.85 cmdstat_zrank:calls=6103,usec=86904,usec_per_call=14.24 cmdstat_zrevrank:calls=2821168,usec=29174181,usec_per_call=10.34 cmdstat_hset:calls=141054451,usec=542543108,usec_per_call=3.85 cmdstat_hget:calls=672881082,usec=1845998921,usec_per_call=2.74 cmdstat_hmset:calls=10270096,usec=47396760,usec_per_call=4.62 cmdstat_hmget:calls=34233130,usec=204846438,usec_per_call=5.98 cmdstat_hincrby:calls=123110,usec=1129500,usec_per_call=9.17 cmdstat_hdel:calls=82984,usec=440952,usec_per_call=5.31 cmdstat_hgetall:calls=5898470,usec=184141524,usec_per_call=31.22 cmdstat_hexists:calls=346428241,usec=865969283,usec_per_call=2.50 cmdstat_getset:calls=4,usec=14,usec_per_call=3.50 cmdstat_auth:calls=189549,usec=255335,usec_per_call=1.35 cmdstat_ping:calls=397694,usec=553552,usec_per_call=1.39

Keyspace

db0:keys=7613416,expires=0,avg_ttl=0 hash_init_value: 1585631594

[21976] 05 Apr 18:19:06.270 # --- CLIENT LIST OUTPUT [21976] 05 Apr 18:19:06.271 # id=43899 addr=5.144.128.134:37444 fd=7 name= age=298424 idle=298364 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=43898 addr=5.144.128.134:37442 fd=6 name= age=298424 idle=298364 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92283 addr=5.144.128.134:59374 fd=68 name= age=1649 idle=30 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92459 addr=5.144.128.222:53966 fd=21 name= age=749 idle=2 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92499 addr=5.144.128.134:43680 fd=19 name= age=537 idle=6 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92509 addr=5.144.128.222:54268 fd=32 name= age=494 idle=2 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92530 addr=5.144.128.222:54410 fd=18 name= age=330 idle=7 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92532 addr=5.144.128.222:54414 fd=23 name= age=330 idle=7 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92563 addr=5.144.128.222:54498 fd=22 name= age=291 idle=5 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92564 addr=5.144.128.222:54500 fd=27 name= age=291 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92565 addr=5.144.128.222:54522 fd=25 name= age=268 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92569 addr=5.144.128.222:54600 fd=10 name= age=189 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92570 addr=5.144.128.222:54602 fd=14 name= age=189 idle=2 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hexists id=92572 addr=5.144.128.134:48370 fd=20 name= age=185 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92582 addr=5.144.128.222:54634 fd=37 name= age=165 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92584 addr=5.144.128.222:54638 fd=39 name= age=165 idle=2 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92586 addr=5.144.128.222:54642 fd=42 name= age=165 idle=6 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hset id=92603 addr=5.144.128.222:54676 fd=62 name= age=165 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92604 addr=5.144.128.222:54678 fd=63 name= age=165 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92605 addr=5.144.128.222:54680 fd=64 name= age=165 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92609 addr=5.144.128.134:40376 fd=11 name= age=120 idle=6 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget id=92610 addr=5.144.128.134:36702 fd=8 name= age=43 idle=13 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92611 addr=5.144.128.134:36704 fd=9 name= age=43 idle=13 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping id=92612 addr=5.144.128.134:48942 fd=12 name= age=6 idle=1 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=hget

[21976] 05 Apr 18:19:06.271 # --- REGISTERS [21976] 05 Apr 18:19:06.271 # RAX:75736572227b3a22 RBX:0000000000000000 RCX:00007ffc67dae538 RDX:3cb203ca208d74c0 RDI:00007fab4d539700 RSI:00007ffc67dae538 RBP:00007fac630c00a0 RSP:00007ffc67dae540 R8 :0000000000000004 R9 :0000000000bf7080 R10:0000000000000004 R11:0000000000000080 R12:00007fab4d539730 R13:00007fab4d539700 R14:0000000000000000 R15:00007fac630c0070 RIP:000000000041b3ae EFL:0000000000010246 CSGSFS:0000000000000033 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54f) -> 0000000000433164 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54e) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54d) -> 0000000000000000 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54c) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54b) -> 00007ffc67dae600 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae54a) -> 00007ffc67dae680 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae549) -> 0ceacfc560a70800 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae548) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae547) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae546) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae545) -> 0000000000432dbc [21976] 05 Apr 18:19:06.271 # (00007ffc67dae544) -> 00007fac630c00a0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae543) -> 0000000000000000 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae542) -> 00007faa4d5307c0 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae541) -> 0000000000000005 [21976] 05 Apr 18:19:06.271 # (00007ffc67dae540) -> 00007ffc67dae680 [21976] 05 Apr 18:19:06.271 # --- FAST MEMORY TEST [21976] 05 Apr 18:21:36.659 # Fast memory test PASSED, however your memory can still be broken. Please run a memory test for several hours if possible. [21976] 05 Apr 18:21:36.659 # === REDIS BUG REPORT END. Make sure to include from START to END. ===

   Please report the crash by opening an issue on github:

       http://github.com/antirez/redis/issues

Suspect RAM error? Use redis-server --test-memory to verify it.

[10173] 05 Apr 18:21:37.871 # Background saving terminated by signal 11 [10173] 05 Apr 18:21:38.096 * 10 changes in 300 seconds. Saving... [10173] 05 Apr 18:21:38.338 * Background saving started by pid 22024 [22024] 05 Apr 18:27:37.399 #

=== REDIS BUG REPORT START: Cut & paste starting from here ===

Comment From: antirez

Hi @zuodimiaoyun, this version of Redis was released 6 years ago... Please try with a recent 5.x release. Also check if you have a potential bad memory problem in your system. Cheers.

Comment From: zuodimiaoyun

@antirez Thanks for reply，I will give a try.