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我有一個帶有redis，redis-sentinel和python-tornado應用程序的服務器。 由於「從套接字讀取超時」，每隔〜20分鐘左右的時間連接到redis都不能建立1-3秒。redis - 每隔20分鐘從套接字讀取一次超時值
它可能是什麼？
Redis的信息：
#Server
redis_version:2.8.6
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:7648891aee0aa9dc
redis_mode:standalone
os:Linux 2.6.32-431.5.1.el6.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.4.7
process_id:25110
run_id:6121f01610ff853446692fa7984b8f011a53361f
tcp_port:6379
uptime_in_seconds:9438
uptime_in_days:0
hz:10
lru_clock:620564
config_file:/etc/redis/6379.conf
# Clients
connected_clients:67
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
# Memory
used_memory:1788024368
used_memory_human:1.67G
used_memory_rss:1834860544
used_memory_peak:1788713352
used_memory_peak_human:1.67G
used_memory_lua:34816
mem_fragmentation_ratio:1.03
mem_allocator:jemalloc-3.2.0
# Persistence
loading:0
rdb_changes_since_last_save:743
rdb_bgsave_in_progress:0
rdb_last_save_time:1411297206
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:28
rdb_current_bgsave_time_sec:-1
aof_enabled:1
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
aof_current_size:669871843
aof_base_size:668274530
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:11
# Stats
total_connections_received:2969
total_commands_processed:202332538
instantaneous_ops_per_sec:30807
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:287
evicted_keys:0
keyspace_hits:108252
keyspace_misses:536
pubsub_channels:1
pubsub_patterns:0
latest_fork_usec:4498
# 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:3555.96
used_cpu_user:2583.51
used_cpu_sys_children:35.61
used_cpu_user_children:346.40
# Keyspace
db0:keys=781283,expires=23,avg_ttl=261371