fastDFS：优化参数配置，让dfs集群更灵敏

【storage.conf】配置文件

# connect timeout in seconds
# default value is 30
# Note: in the intranet network (LAN), 2 seconds is enough.
connect_timeout = 2

# network timeout in seconds for send and recv
# default value is 30
network_timeout = 60

# the heart beat interval in seconds
# the storage server send heartbeat to tracker server periodically
# default value is 30
heart_beat_interval = 3

# disk usage report interval in seconds
# the storage server send disk usage report to tracker server periodically
# default value is 300
stat_report_interval = 3600

# accept thread count
# default value is 1 which is recommended
# since V4.07
accept_threads = 1

# work thread count
# work threads to deal network io
# default value is 4
# since V2.00
work_threads = 4

# if disk read / write separated
## false for mixed read and write
## true for separated read and write
# default value is true
# since V2.00
disk_rw_separated = true

# disk reader thread count per store path
# for mixed read / write, this parameter can be 0
# default value is 1
# since V2.00
disk_reader_threads = 1

# disk writer thread count per store path
# for mixed read / write, this parameter can be 0
# default value is 1
# since V2.00
disk_writer_threads = 1

# when no entry to sync, try read binlog again after X milliseconds
# must > 0, default value is 200ms
sync_wait_msec = 50

# after sync a file, usleep milliseconds
# 0 for sync successively (never call usleep)
sync_interval = 0

# storage sync start time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_start_time = 00:00

# storage sync end time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_end_time = 23:59

# write to the mark file after sync N files
# default value is 500
write_mark_file_freq = 1

# disk recovery thread count
# default value is 1
# since V6.04
disk_recovery_threads = 3

# if skip the invalid record when sync file
# default value is false
# since V4.02

file_sync_skip_invalid_record = false

【tracker.conf】配置文件

# connect timeout in seconds
# default value is 30
# Note: in the intranet network (LAN), 2 seconds is enough.
connect_timeout = 2

# network timeout in seconds for send and recv
# default value is 30
network_timeout = 60

# accept thread count
# default value is 1 which is recommended
# since V4.07
accept_threads = 1

# work thread count
# work threads to deal network io
# default value is 4
# since V2.00
work_threads = 4

# check storage server alive interval seconds
check_active_interval = 30

# storage sync file max delay seconds
# default value is 86400 seconds (one day)
# since V2.00
storage_sync_file_max_delay = 86400 

# the max time of storage sync a file
# default value is 300 seconds
# since V2.00
storage_sync_file_max_time = 300