详解mysql-bin.000001文件来源以及处理方法

[root@localhost ~]# du -s /* 
6160	/bin
19380	/boot
156	/dev
21700	/etc
2383236	/home
112372	/lib
16	/lost+found
4	/media
4	/mnt
4	/opt
du: 无法访问"/proc/2187/task/2187/fd/4": 没有那个文件或目录
du: 无法访问"/proc/2187/task/2187/fdinfo/4": 没有那个文件或目录
du: 无法访问"/proc/2187/fd/4": 没有那个文件或目录
du: 无法访问"/proc/2187/fdinfo/4": 没有那个文件或目录
0	/proc
56	/root
9488	/sbin
4	/selinux
4	/srv
0	/sys
14760	/tmp
37310312	/usr
90452	/var

[root@localhost ~]#  du -s /usr/local/*
944	/usr/local/autoconf-2.13
472	/usr/local/bin
87568	/usr/local/eaccelerator_cache
4	/usr/local/etc
4	/usr/local/games
172	/usr/local/include
13824	/usr/local/ioncube
4100	/usr/local/lib
4	/usr/local/libexec
36	/usr/local/man
36436840	/usr/local/mysql
5108	/usr/local/nginx
53440	/usr/local/php
4	/usr/local/sbin
2620	/usr/local/share
4	/usr/local/src
900	/usr/local/zend

[root@localhost ~]#  du -s /usr/local/mysql/var/*
552	/usr/local/mysql/var/0t9
71196	/usr/local/mysql/var/feifeicms
1640	/usr/local/mysql/var/idc@002elianst@002ecom
320	/usr/local/mysql/var/localhost.localdomain.err
4	/usr/local/mysql/var/localhost.localdomain.pid
1032	/usr/local/mysql/var/mysql
28	/usr/local/mysql/var/mysql-bin.000001
1048	/usr/local/mysql/var/mysql-bin.000002
4	/usr/local/mysql/var/mysql-bin.000003
4	/usr/local/mysql/var/mysql-bin.000004
4	/usr/local/mysql/var/mysql-bin.000005
5092	/usr/local/mysql/var/mysql-bin.000006
3808	/usr/local/mysql/var/mysql-bin.000007
508	/usr/local/mysql/var/mysql-bin.000008
8	/usr/local/mysql/var/mysql-bin.000009
4	/usr/local/mysql/var/mysql-bin.000010
72	/usr/local/mysql/var/mysql-bin.000011
16	/usr/local/mysql/var/mysql-bin.000012
36	/usr/local/mysql/var/mysql-bin.000013
116	/usr/local/mysql/var/mysql-bin.000014
4	/usr/local/mysql/var/mysql-bin.000015
44	/usr/local/mysql/var/mysql-bin.000016
84	/usr/local/mysql/var/mysql-bin.000017
976	/usr/local/mysql/var/mysql-bin.000018
36	/usr/local/mysql/var/mysql-bin.000019
628	/usr/local/mysql/var/mysql-bin.000020
872	/usr/local/mysql/var/mysql-bin.000021
1428	/usr/local/mysql/var/mysql-bin.000022
4	/usr/local/mysql/var/mysql-bin.000023
16	/usr/local/mysql/var/mysql-bin.000024
44	/usr/local/mysql/var/mysql-bin.000025
28	/usr/local/mysql/var/mysql-bin.000026
76	/usr/local/mysql/var/mysql-bin.000027
12	/usr/local/mysql/var/mysql-bin.000028
104	/usr/local/mysql/var/mysql-bin.000029
40	/usr/local/mysql/var/mysql-bin.000030
76	/usr/local/mysql/var/mysql-bin.000031
292	/usr/local/mysql/var/mysql-bin.000032
64	/usr/local/mysql/var/mysql-bin.000033
7852	/usr/local/mysql/var/mysql-bin.000034
96	/usr/local/mysql/var/mysql-bin.000035
44	/usr/local/mysql/var/mysql-bin.000036
100	/usr/local/mysql/var/mysql-bin.000037
28740	/usr/local/mysql/var/mysql-bin.000038
12	/usr/local/mysql/var/mysql-bin.000039
128	/usr/local/mysql/var/mysql-bin.000040
384	/usr/local/mysql/var/mysql-bin.000041
100	/usr/local/mysql/var/mysql-bin.000042
4	/usr/local/mysql/var/mysql-bin.000043
24	/usr/local/mysql/var/mysql-bin.000044
40	/usr/local/mysql/var/mysql-bin.000045
88	/usr/local/mysql/var/mysql-bin.000046
13920	/usr/local/mysql/var/mysql-bin.000047
41164	/usr/local/mysql/var/mysql-bin.000048
4	/usr/local/mysql/var/mysql-bin.000049
4	/usr/local/mysql/var/mysql-bin.000050
4	/usr/local/mysql/var/mysql-bin.000051
6320	/usr/local/mysql/var/mysql-bin.000052
5272	/usr/local/mysql/var/mysql-bin.000053
84	/usr/local/mysql/var/mysql-bin.000054
100	/usr/local/mysql/var/mysql-bin.000055
80	/usr/local/mysql/var/mysql-bin.000056
124	/usr/local/mysql/var/mysql-bin.000057
56	/usr/local/mysql/var/mysql-bin.000058
7556	/usr/local/mysql/var/mysql-bin.000059
6244	/usr/local/mysql/var/mysql-bin.000060
4	/usr/local/mysql/var/mysql-bin.000061
4	/usr/local/mysql/var/mysql-bin.000062
356	/usr/local/mysql/var/mysql-bin.000063
108	/usr/local/mysql/var/mysql-bin.000064
40	/usr/local/mysql/var/mysql-bin.000065
76	/usr/local/mysql/var/mysql-bin.000066
88	/usr/local/mysql/var/mysql-bin.000067
152	/usr/local/mysql/var/mysql-bin.000068
2648	/usr/local/mysql/var/mysql-bin.000069
84	/usr/local/mysql/var/mysql-bin.000070
108	/usr/local/mysql/var/mysql-bin.000071
52	/usr/local/mysql/var/mysql-bin.000072
104	/usr/local/mysql/var/mysql-bin.000073
172	/usr/local/mysql/var/mysql-bin.000074
408	/usr/local/mysql/var/mysql-bin.000075
848	/usr/local/mysql/var/mysql-bin.000076
72	/usr/local/mysql/var/mysql-bin.000077
36	/usr/local/mysql/var/mysql-bin.000078
56	/usr/local/mysql/var/mysql-bin.000079
80	/usr/local/mysql/var/mysql-bin.000080
236	/usr/local/mysql/var/mysql-bin.000081
104	/usr/local/mysql/var/mysql-bin.000082
324	/usr/local/mysql/var/mysql-bin.000083
3476	/usr/local/mysql/var/mysql-bin.000084
88	/usr/local/mysql/var/mysql-bin.000085
140	/usr/local/mysql/var/mysql-bin.000086
336	/usr/local/mysql/var/mysql-bin.000087
396	/usr/local/mysql/var/mysql-bin.000088
84	/usr/local/mysql/var/mysql-bin.000089
88	/usr/local/mysql/var/mysql-bin.000090
272	/usr/local/mysql/var/mysql-bin.000091
80	/usr/local/mysql/var/mysql-bin.000092
76	/usr/local/mysql/var/mysql-bin.000093
88	/usr/local/mysql/var/mysql-bin.000094
248	/usr/local/mysql/var/mysql-bin.000095
116	/usr/local/mysql/var/mysql-bin.000096
3028	/usr/local/mysql/var/mysql-bin.000097
64	/usr/local/mysql/var/mysql-bin.000098
220	/usr/local/mysql/var/mysql-bin.000099
64	/usr/local/mysql/var/mysql-bin.000100
76	/usr/local/mysql/var/mysql-bin.000101
80	/usr/local/mysql/var/mysql-bin.000102
208	/usr/local/mysql/var/mysql-bin.000103
64	/usr/local/mysql/var/mysql-bin.000104
64	/usr/local/mysql/var/mysql-bin.000105
64	/usr/local/mysql/var/mysql-bin.000106
240	/usr/local/mysql/var/mysql-bin.000107
64	/usr/local/mysql/var/mysql-bin.000108
68	/usr/local/mysql/var/mysql-bin.000109
68	/usr/local/mysql/var/mysql-bin.000110
184	/usr/local/mysql/var/mysql-bin.000111
64	/usr/local/mysql/var/mysql-bin.000112
68	/usr/local/mysql/var/mysql-bin.000113
64	/usr/local/mysql/var/mysql-bin.000114
180	/usr/local/mysql/var/mysql-bin.000115
56	/usr/local/mysql/var/mysql-bin.000116
56	/usr/local/mysql/var/mysql-bin.000117
52	/usr/local/mysql/var/mysql-bin.000118
72	/usr/local/mysql/var/mysql-bin.000119
2076	/usr/local/mysql/var/mysql-bin.000120
32	/usr/local/mysql/var/mysql-bin.000121
32	/usr/local/mysql/var/mysql-bin.000122
104	/usr/local/mysql/var/mysql-bin.000123
84	/usr/local/mysql/var/mysql-bin.000124
32	/usr/local/mysql/var/mysql-bin.000125
32	/usr/local/mysql/var/mysql-bin.000126
88	/usr/local/mysql/var/mysql-bin.000127
64	/usr/local/mysql/var/mysql-bin.000128
24	/usr/local/mysql/var/mysql-bin.000129
4408	/usr/local/mysql/var/mysql-bin.000130
64	/usr/local/mysql/var/mysql-bin.000131
60	/usr/local/mysql/var/mysql-bin.000132
32	/usr/local/mysql/var/mysql-bin.000133
24	/usr/local/mysql/var/mysql-bin.000134
36	/usr/local/mysql/var/mysql-bin.000135
76	/usr/local/mysql/var/mysql-bin.000136
16	/usr/local/mysql/var/mysql-bin.000137
28	/usr/local/mysql/var/mysql-bin.000138
32	/usr/local/mysql/var/mysql-bin.000139
84	/usr/local/mysql/var/mysql-bin.000140
16	/usr/local/mysql/var/mysql-bin.000141
3700	/usr/local/mysql/var/mysql-bin.000142
24	/usr/local/mysql/var/mysql-bin.000143
84	/usr/local/mysql/var/mysql-bin.000144
64	/usr/local/mysql/var/mysql-bin.000145
24	/usr/local/mysql/var/mysql-bin.000146
24	/usr/local/mysql/var/mysql-bin.000147
68	/usr/local/mysql/var/mysql-bin.000148
48	/usr/local/mysql/var/mysql-bin.000149
24	/usr/local/mysql/var/mysql-bin.000150
24	/usr/local/mysql/var/mysql-bin.000151
32	/usr/local/mysql/var/mysql-bin.000152
72	/usr/local/mysql/var/mysql-bin.000153
16	/usr/local/mysql/var/mysql-bin.000154
16	/usr/local/mysql/var/mysql-bin.000155
36	/usr/local/mysql/var/mysql-bin.000156
60	/usr/local/mysql/var/mysql-bin.000157
28	/usr/local/mysql/var/mysql-bin.000158
28	/usr/local/mysql/var/mysql-bin.000159
32	/usr/local/mysql/var/mysql-bin.000160
104	/usr/local/mysql/var/mysql-bin.000161
28	/usr/local/mysql/var/mysql-bin.000162
12	/usr/local/mysql/var/mysql-bin.000163
1636	/usr/local/mysql/var/mysql-bin.000164
24	/usr/local/mysql/var/mysql-bin.000165
76	/usr/local/mysql/var/mysql-bin.000166
1684	/usr/local/mysql/var/mysql-bin.000167
32	/usr/local/mysql/var/mysql-bin.000168
8	/usr/local/mysql/var/mysql-bin.000169
4	/usr/local/mysql/var/mysql-bin.000170
4	/usr/local/mysql/var/mysql-bin.000171
4	/usr/local/mysql/var/mysql-bin.000172
72	/usr/local/mysql/var/mysql-bin.000173
88	/usr/local/mysql/var/mysql-bin.000174
144	/usr/local/mysql/var/mysql-bin.000175
44	/usr/local/mysql/var/mysql-bin.000176
100	/usr/local/mysql/var/mysql-bin.000177
52	/usr/local/mysql/var/mysql-bin.000178
4	/usr/local/mysql/var/mysql-bin.000179
76	/usr/local/mysql/var/mysql-bin.000180
76	/usr/local/mysql/var/mysql-bin.000181
116	/usr/local/mysql/var/mysql-bin.000182
88	/usr/local/mysql/var/mysql-bin.000183
44	/usr/local/mysql/var/mysql-bin.000184
48	/usr/local/mysql/var/mysql-bin.000185
108	/usr/local/mysql/var/mysql-bin.000186
352	/usr/local/mysql/var/mysql-bin.000187
48	/usr/local/mysql/var/mysql-bin.000188
92	/usr/local/mysql/var/mysql-bin.000189
116	/usr/local/mysql/var/mysql-bin.000190
116	/usr/local/mysql/var/mysql-bin.000191
92	/usr/local/mysql/var/mysql-bin.000192
308	/usr/local/mysql/var/mysql-bin.000193
56	/usr/local/mysql/var/mysql-bin.000194
168	/usr/local/mysql/var/mysql-bin.000195
108	/usr/local/mysql/var/mysql-bin.000196
44	/usr/local/mysql/var/mysql-bin.000197
84	/usr/local/mysql/var/mysql-bin.000198
116	/usr/local/mysql/var/mysql-bin.000199
360	/usr/local/mysql/var/mysql-bin.000200
120	/usr/local/mysql/var/mysql-bin.000201
112	/usr/local/mysql/var/mysql-bin.000202
72	/usr/local/mysql/var/mysql-bin.000203
156	/usr/local/mysql/var/mysql-bin.000204
204	/usr/local/mysql/var/mysql-bin.000205
52	/usr/local/mysql/var/mysql-bin.000206
108	/usr/local/mysql/var/mysql-bin.000207
156	/usr/local/mysql/var/mysql-bin.000208
44	/usr/local/mysql/var/mysql-bin.000209
80	/usr/local/mysql/var/mysql-bin.000210
316	/usr/local/mysql/var/mysql-bin.000211
164	/usr/local/mysql/var/mysql-bin.000212
116	/usr/local/mysql/var/mysql-bin.000213
132	/usr/local/mysql/var/mysql-bin.000214
68	/usr/local/mysql/var/mysql-bin.000215
156	/usr/local/mysql/var/mysql-bin.000216
380	/usr/local/mysql/var/mysql-bin.000217
112	/usr/local/mysql/var/mysql-bin.000218
96	/usr/local/mysql/var/mysql-bin.000219
188	/usr/local/mysql/var/mysql-bin.000220
44	/usr/local/mysql/var/mysql-bin.000221
96	/usr/local/mysql/var/mysql-bin.000222
4	/usr/local/mysql/var/mysql-bin.000223
4	/usr/local/mysql/var/mysql-bin.000224
104	/usr/local/mysql/var/mysql-bin.000225
44	/usr/local/mysql/var/mysql-bin.000226
76	/usr/local/mysql/var/mysql-bin.000227
232	/usr/local/mysql/var/mysql-bin.000228
108	/usr/local/mysql/var/mysql-bin.000229
64	/usr/local/mysql/var/mysql-bin.000230
212	/usr/local/mysql/var/mysql-bin.000231
1020	/usr/local/mysql/var/mysql-bin.000232
60	/usr/local/mysql/var/mysql-bin.000233
128	/usr/local/mysql/var/mysql-bin.000234
168	/usr/local/mysql/var/mysql-bin.000235
56	/usr/local/mysql/var/mysql-bin.000236
80	/usr/local/mysql/var/mysql-bin.000237
532	/usr/local/mysql/var/mysql-bin.000238
20	/usr/local/mysql/var/mysql-bin.000239
1380	/usr/local/mysql/var/mysql-bin.000240
84	/usr/local/mysql/var/mysql-bin.000241
100	/usr/local/mysql/var/mysql-bin.000242
4	/usr/local/mysql/var/mysql-bin.000243
16	/usr/local/mysql/var/mysql-bin.000244
48	/usr/local/mysql/var/mysql-bin.000245
88	/usr/local/mysql/var/mysql-bin.000246
380	/usr/local/mysql/var/mysql-bin.000247
56	/usr/local/mysql/var/mysql-bin.000248
84	/usr/local/mysql/var/mysql-bin.000249
112	/usr/local/mysql/var/mysql-bin.000250
48	/usr/local/mysql/var/mysql-bin.000251
84	/usr/local/mysql/var/mysql-bin.000252
1492	/usr/local/mysql/var/mysql-bin.000253
104	/usr/local/mysql/var/mysql-bin.000254
96	/usr/local/mysql/var/mysql-bin.000255
96	/usr/local/mysql/var/mysql-bin.000256
68	/usr/local/mysql/var/mysql-bin.000257
80	/usr/local/mysql/var/mysql-bin.000258
1424	/usr/local/mysql/var/mysql-bin.000259
112	/usr/local/mysql/var/mysql-bin.000260
88	/usr/local/mysql/var/mysql-bin.000261
96	/usr/local/mysql/var/mysql-bin.000262
68	/usr/local/mysql/var/mysql-bin.000263
72	/usr/local/mysql/var/mysql-bin.000264
7492	/usr/local/mysql/var/mysql-bin.000265
352	/usr/local/mysql/var/mysql-bin.000266
96	/usr/local/mysql/var/mysql-bin.000267
104	/usr/local/mysql/var/mysql-bin.000268
92	/usr/local/mysql/var/mysql-bin.000269
48	/usr/local/mysql/var/mysql-bin.000270
124	/usr/local/mysql/var/mysql-bin.000271
1428	/usr/local/mysql/var/mysql-bin.000272
68	/usr/local/mysql/var/mysql-bin.000273
4	/usr/local/mysql/var/mysql-bin.000274
76	/usr/local/mysql/var/mysql-bin.000275
84	/usr/local/mysql/var/mysql-bin.000276
48	/usr/local/mysql/var/mysql-bin.000277
104	/usr/local/mysql/var/mysql-bin.000278
1616	/usr/local/mysql/var/mysql-bin.000279
12	/usr/local/mysql/var/mysql-bin.000280
4	/usr/local/mysql/var/mysql-bin.000281
4	/usr/local/mysql/var/mysql-bin.000282
180	/usr/local/mysql/var/mysql-bin.000283
4	/usr/local/mysql/var/mysql-bin.000284
72	/usr/local/mysql/var/mysql-bin.000285
7952	/usr/local/mysql/var/mysql-bin.000286
101440	/usr/local/mysql/var/mysql-bin.000287
176936	/usr/local/mysql/var/mysql-bin.000288
212424	/usr/local/mysql/var/mysql-bin.000289
253540	/usr/local/mysql/var/mysql-bin.000290
1048612	/usr/local/mysql/var/mysql-bin.000291
1048900	/usr/local/mysql/var/mysql-bin.000292
1049060	/usr/local/mysql/var/mysql-bin.000293
358448	/usr/local/mysql/var/mysql-bin.000294
794560	/usr/local/mysql/var/mysql-bin.000295
1048744	/usr/local/mysql/var/mysql-bin.000296
296464	/usr/local/mysql/var/mysql-bin.000297
1049108	/usr/local/mysql/var/mysql-bin.000298
21740	/usr/local/mysql/var/mysql-bin.000299
1048704	/usr/local/mysql/var/mysql-bin.000300
821624	/usr/local/mysql/var/mysql-bin.000301
981160	/usr/local/mysql/var/mysql-bin.000302
1048688	/usr/local/mysql/var/mysql-bin.000303
1049156	/usr/local/mysql/var/mysql-bin.000304
1048604	/usr/local/mysql/var/mysql-bin.000305
1025568	/usr/local/mysql/var/mysql-bin.000306
662604	/usr/local/mysql/var/mysql-bin.000307
705336	/usr/local/mysql/var/mysql-bin.000308
739816	/usr/local/mysql/var/mysql-bin.000309
788712	/usr/local/mysql/var/mysql-bin.000310
446864	/usr/local/mysql/var/mysql-bin.000311
1048880	/usr/local/mysql/var/mysql-bin.000312
1048708	/usr/local/mysql/var/mysql-bin.000313
602936	/usr/local/mysql/var/mysql-bin.000314
862772	/usr/local/mysql/var/mysql-bin.000315
894116	/usr/local/mysql/var/mysql-bin.000316
1048632	/usr/local/mysql/var/mysql-bin.000317
78332	/usr/local/mysql/var/mysql-bin.000318
1048656	/usr/local/mysql/var/mysql-bin.000319
307512	/usr/local/mysql/var/mysql-bin.000320
974816	/usr/local/mysql/var/mysql-bin.000321
1049144	/usr/local/mysql/var/mysql-bin.000322
1048636	/usr/local/mysql/var/mysql-bin.000323
1048688	/usr/local/mysql/var/mysql-bin.000324
122544	/usr/local/mysql/var/mysql-bin.000325
117868	/usr/local/mysql/var/mysql-bin.000326
733616	/usr/local/mysql/var/mysql-bin.000327
918396	/usr/local/mysql/var/mysql-bin.000328
878484	/usr/local/mysql/var/mysql-bin.000329
789624	/usr/local/mysql/var/mysql-bin.000330
551632	/usr/local/mysql/var/mysql-bin.000331
1048704	/usr/local/mysql/var/mysql-bin.000332
1048808	/usr/local/mysql/var/mysql-bin.000333
15468	/usr/local/mysql/var/mysql-bin.000334
4	/usr/local/mysql/var/mysql-bin.000335
4	/usr/local/mysql/var/mysql-bin.000336
15908	/usr/local/mysql/var/mysql-bin.000337
129536	/usr/local/mysql/var/mysql-bin.000338
181124	/usr/local/mysql/var/mysql-bin.000339
264004	/usr/local/mysql/var/mysql-bin.000340
8	/usr/local/mysql/var/mysql-bin.index
212	/usr/local/mysql/var/performance_schema
2792	/usr/local/mysql/var/wordpress

[root@localhost ~]# vi /etc/my.cnf