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Message-Id: <1359524809.5789.140661184325217.261ED7C8@webmail.messagingengine.com>
Date: Wed, 30 Jan 2013 16:46:49 +1100
From: Bron Gondwana <brong@...tmail.fm>
To: linux-ext4@...r.kernel.org
Cc: Rob Mueller <robm@...tmail.fm>
Subject: fallocate creating fragmented files
Hi All,
I'm trying to understand why my ext4 filesystem is creating highly fragmented files even though it's only just over 50% full.
The hardware is 2 x 64Gb Intel x25e drives in software RAID1 as /dev/md0:
[brong@...p14 conf]$ cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdf[0] sdg[1]
62522624 blocks [2/2] [UU]
unused devices: <none>
[brong@...p14 conf]$ df | grep md0
/dev/md0 58594701 30996530 24472040 56% /mnt/ssd14
It's mounted data=ordered:
[brong@...p14 conf]$ mount | grep md0
/dev/md0 on /mnt/ssd14 type ext4 (rw,noatime,data=ordered,barrier=0,commit=120)
The filesystem was created with 1k blocks, nearly 2 years ago. It's seen a lot of usage since then, but never been super-full.
[brong@...p14 conf]$ dumpe2fs -h /dev/md0
dumpe2fs 1.42.4 (12-Jun-2012)
Filesystem volume name: <none>
Last mounted on: /mnt/ssd14
Filesystem UUID: f10d5f08-a4b5-476f-9568-586ca0b793b5
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: (none)
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 15632384
Block count: 62522624
Reserved block count: 3126131
Free blocks: 26483551
Free inodes: 13674200
First block: 1
Block size: 1024
Fragment size: 1024
Reserved GDT blocks: 256
Blocks per group: 8192
Fragments per group: 8192
Inodes per group: 2048
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Tue Mar 8 08:30:35 2011
Last mount time: Thu Jan 24 20:05:50 2013
Last write time: Thu Jan 24 20:05:50 2013
Mount count: 10
Maximum mount count: 24
Last checked: Fri May 13 09:10:27 2011
Check interval: 15552000 (6 months)
Next check after: Wed Nov 9 08:10:27 2011
Lifetime writes: 33 TB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
First orphan inode: 14256056
Default directory hash: half_md4
Directory Hash Seed: 2f49b7f2-f4f7-464a-b804-8598867da2ba
Journal backup: inode blocks
Journal features: journal_incompat_revoke
Journal size: 32M
Journal length: 32768
Journal sequence: 0xcfc0f41e
Journal start: 16226
----------------------------
Now we've got some background, let's create two files using the fallocate command line tool, and see where the blocks wound up. This mirrors exactly the behaviour we have seen with both using posix_fallocate to pre-allocate space, or just using seek and writev to write individual records out to the file. Except with the slower writes of a real application, we get closer to 9000 extents for a file this size.
[brong@...p14 conf]$ fallocate -l 20m testfile
[brong@...p14 conf]$ fallocate -l 20m testfile2
[brong@...p14 conf]$ filefrag testfile
testfile: 421 extents found
[brong@...p14 conf]$ filefrag testfile2
testfile2: 306 extents found
Now looking at the verbose output, we can see that there are many extents of just 3 or 4 blocks:
[brong@...p14 conf]$ filefrag -v testfile | awk '{print $5}' | sort -n | uniq -c | head
2
1 is
1 length
1 unwritten
6 3
10 4
6 5
5 6
3 7
1 8
Yet looking at the next file,
[brong@...p14 conf]$ filefrag -v testfile2 | awk '{print $5}' | sort -n | uniq -c | tail
1 173
1 175
1 178
1 184
1 187
1 189
1 194
1 289
1 321
1 330
There are multiple extents of hundreds of blocks in length. Why weren't they used in allocating the first file?
This filesystem is quite busy all the time. There are hundreds of imapd processes all locking and writing to it, including a lot of fdatasync and fsync calls. During the time it took to run this command, there would have been multiple fsyncs. I can't see why that would affect the allocator in this way for a single fallocate call though.
Regards,
Bron.
(full filefrag dump for testfile follows:)
[brong@...p14 conf]$ filefrag -v testfile
Filesystem type is: ef53
File size of testfile is 20971520 (20480 blocks, blocksize 1024)
ext logical physical expected length flags
0 0 13545000 48 unwritten
1 48 13545134 13545048 48 unwritten
2 96 13545357 13545182 48 unwritten
3 144 13545431 13545405 48 unwritten
4 192 13546319 13545479 48 unwritten
5 240 13546936 13546367 48 unwritten
6 288 13542294 13546984 47 unwritten
7 335 13542391 13542341 47 unwritten
8 382 13542478 13542438 47 unwritten
9 429 13542719 13542525 47 unwritten
10 476 13542927 13542766 47 unwritten
11 523 13543448 13542974 47 unwritten
12 570 13543595 13543495 47 unwritten
13 617 13543745 13543642 47 unwritten
14 664 13543994 13543792 47 unwritten
15 711 13544115 13544041 47 unwritten
16 758 13544396 13544162 47 unwritten
17 805 13544471 13544443 47 unwritten
18 852 13544608 13544518 47 unwritten
19 899 13547571 13544655 48 unwritten
20 947 13545648 13547619 47 unwritten
21 994 13545706 13545695 47 unwritten
22 1041 13544043 13545753 46 unwritten
23 1087 13547656 13544089 88 unwritten
24 1175 13544923 13547744 46 unwritten
25 1221 13547756 13544969 47 unwritten
26 1268 13545598 13547803 46 unwritten
27 1314 13546485 13545644 46 unwritten
28 1360 13546677 13546531 46 unwritten
29 1406 13547836 13546723 83 unwritten
30 1489 13547921 13547919 51 unwritten
31 1540 13547973 13547972 55 unwritten
32 1595 13546828 13548028 46 unwritten
33 1641 13548107 13546874 68 unwritten
34 1709 13548176 13548175 59 unwritten
35 1768 13546883 13548235 46 unwritten
36 1814 13542536 13546929 45 unwritten
37 1859 13546182 13542581 44 unwritten
38 1903 13548255 13546226 52 unwritten
39 1955 13541526 13548307 43 unwritten
40 1998 13545077 13541569 43 unwritten
41 2041 13545183 13545120 43 unwritten
42 2084 13541687 13545226 42 unwritten
43 2126 13543819 13541729 42 unwritten
44 2168 13548400 13543861 132 unwritten
45 2300 13548605 13548532 73 unwritten
46 2373 13548679 13548678 43 unwritten
47 2416 13545815 13548722 42 unwritten
48 2458 13548728 13545857 104 unwritten
49 2562 13548833 13548832 62 unwritten
50 2624 13548896 13548895 45 unwritten
51 2669 13548942 13548941 66 unwritten
52 2735 13546442 13549008 40 unwritten
53 2775 13542342 13546482 38 unwritten
54 2813 13544286 13542380 38 unwritten
55 2851 13549069 13544324 152 unwritten
56 3003 13541775 13549221 37 unwritten
57 3040 13545858 13541812 37 unwritten
58 3077 13549016 13545895 37 unwritten
59 3114 13544780 13549053 36 unwritten
60 3150 13547004 13544816 36 unwritten
61 3186 13546147 13547040 34 unwritten
62 3220 13549304 13546181 60 unwritten
63 3280 13549365 13549364 76 unwritten
64 3356 13548308 13549441 34 unwritten
65 3390 13542234 13548342 32 unwritten
66 3422 13548343 13542266 32 unwritten
67 3454 13542009 13548375 31 unwritten
68 3485 13542445 13542040 31 unwritten
69 3516 13542662 13542476 31 unwritten
70 3547 13545965 13542693 31 unwritten
71 3578 13549222 13545996 31 unwritten
72 3609 13543892 13549253 30 unwritten
73 3639 13544749 13543922 30 unwritten
74 3669 13545323 13544779 30 unwritten
75 3699 13546759 13545353 30 unwritten
76 3729 13546645 13546789 29 unwritten
77 3758 13547328 13546674 29 unwritten
78 3787 13544257 13547357 28 unwritten
79 3815 13549893 13544285 33 unwritten
80 3848 13550421 13549926 60 unwritten
81 3908 13554246 13550481 59 unwritten
82 3967 13550131 13554305 56 unwritten
83 4023 13551262 13550187 56 unwritten
84 4079 13551565 13551318 56 unwritten
85 4135 13551661 13551621 56 unwritten
86 4191 13553303 13551717 56 unwritten
87 4247 13555017 13553359 56 unwritten
88 4303 13550960 13555073 55 unwritten
89 4358 13554082 13551015 55 unwritten
90 4413 13554384 13554137 55 unwritten
91 4468 13554916 13554439 55 unwritten
92 4523 13551128 13554971 54 unwritten
93 4577 13552389 13551182 52 unwritten
94 4629 13555468 13552441 51 unwritten
95 4680 13554742 13555519 50 unwritten
96 4730 13555208 13554792 50 unwritten
97 4780 13554673 13555258 49 unwritten
98 4829 13555132 13554722 48 unwritten
99 4877 13551757 13555180 47 unwritten
100 4924 13552116 13551804 47 unwritten
101 4971 13552595 13552163 47 unwritten
102 5018 13554562 13552642 47 unwritten
103 5065 13550644 13554609 46 unwritten
104 5111 13550702 13550690 46 unwritten
105 5157 13552001 13550748 46 unwritten
106 5203 13552535 13552047 46 unwritten
107 5249 13552971 13552581 46 unwritten
108 5295 13553841 13553017 46 unwritten
109 5341 13557058 13553887 123 unwritten
110 5464 13550578 13557181 45 unwritten
111 5509 13551044 13550623 43 unwritten
112 5552 13557376 13551087 111 unwritten
113 5663 13557488 13557487 71 unwritten
114 5734 13551325 13557559 43 unwritten
115 5777 13552774 13551368 43 unwritten
116 5820 13553935 13552817 43 unwritten
117 5863 13557599 13553978 162 unwritten
118 6025 13552493 13557761 41 unwritten
119 6066 13550194 13552534 39 unwritten
120 6105 13550520 13550233 39 unwritten
121 6144 13553029 13550559 39 unwritten
122 6183 13552643 13553068 38 unwritten
123 6221 13555841 13552681 38 unwritten
124 6259 13555681 13555879 37 unwritten
125 6296 13551425 13555718 36 unwritten
126 6332 13550385 13551461 35 unwritten
127 6367 13552288 13550420 35 unwritten
128 6402 13552457 13552323 35 unwritten
129 6437 13555329 13552492 35 unwritten
130 6472 13550340 13555364 33 unwritten
131 6505 13550901 13550373 33 unwritten
132 6538 13552164 13550934 33 unwritten
133 6571 13551528 13552197 32 unwritten
134 6603 13551622 13551560 31 unwritten
135 6634 13557026 13551653 31 unwritten
136 6665 13552696 13557057 29 unwritten
137 6694 13549661 13552725 26 unwritten
138 6720 13552070 13549687 26 unwritten
139 6746 13557336 13552096 26 unwritten
140 6772 13549741 13557362 24 unwritten
141 6796 13551016 13549765 24 unwritten
142 6820 13551805 13551040 24 unwritten
143 6844 13551878 13551829 24 unwritten
144 6868 13553981 13551902 24 unwritten
145 6892 13554972 13554005 24 unwritten
146 6916 13556993 13554996 23 unwritten
147 6939 13554631 13557016 22 unwritten
148 6961 13551201 13554653 21 unwritten
149 6982 13553888 13551222 21 unwritten
150 7003 13554508 13553909 21 unwritten
151 7024 13557560 13554529 21 unwritten
152 7045 13554610 13557581 20 unwritten
153 7065 13555188 13554630 19 unwritten
154 7084 13553910 13555207 18 unwritten
155 7102 13549803 13553928 17 unwritten
156 7119 13550307 13549820 17 unwritten
157 7136 13550938 13550324 17 unwritten
158 7153 13551381 13550955 17 unwritten
159 7170 13553806 13551398 17 unwritten
160 7187 13556111 13553823 17 unwritten
161 7204 13556460 13556128 17 unwritten
162 7221 13549602 13556477 16 unwritten
163 7237 13549786 13549618 16 unwritten
164 7253 13550482 13549802 16 unwritten
165 7269 13552097 13550498 16 unwritten
166 7285 13556478 13552113 15 unwritten
167 7300 13556776 13556493 15 unwritten
168 7315 13549622 13556791 13 unwritten
169 7328 13549993 13549635 13 unwritten
170 7341 13550234 13550006 13 unwritten
171 7354 13550499 13550247 13 unwritten
172 7367 13551950 13550512 13 unwritten
173 7380 13554362 13551963 13 unwritten
174 7393 13557585 13554375 13 unwritten
175 7406 13550091 13557598 12 unwritten
176 7418 13550248 13550103 12 unwritten
177 7430 13551484 13550260 12 unwritten
178 7442 13551981 13551496 12 unwritten
179 7454 13552582 13551993 12 unwritten
180 7466 13554799 13552594 12 unwritten
181 7478 13554997 13554811 12 unwritten
182 7490 13555452 13555009 12 unwritten
183 7502 13556098 13555464 12 unwritten
184 7514 13557363 13556110 12 unwritten
185 7526 13550750 13557375 11 unwritten
186 7537 13550762 13550761 11 unwritten
187 7548 13551903 13550773 11 unwritten
188 7559 13554730 13551914 11 unwritten
189 7570 13550691 13554741 10 unwritten
190 7580 13551517 13550701 10 unwritten
191 7590 13552324 13551527 10 unwritten
192 7600 13554013 13552334 10 unwritten
193 7610 13554812 13554023 10 unwritten
194 7620 13549843 13554822 9 unwritten
195 7629 13551118 13549852 9 unwritten
196 7638 13551250 13551127 9 unwritten
197 7647 13551500 13551259 9 unwritten
198 7656 13552335 13551509 9 unwritten
199 7665 13553684 13552344 9 unwritten
200 7674 13554661 13553693 9 unwritten
201 7683 13556886 13554670 9 unwritten
202 7692 13559300 13556895 9 unwritten
203 7701 13561293 13559309 9 unwritten
204 7710 13561303 13561302 8 unwritten
205 7718 13560950 13561311 7 unwritten
206 7725 13561199 13560957 7 unwritten
207 7732 13561317 13561206 7 unwritten
208 7739 13559285 13561324 6 unwritten
209 7745 13561183 13559291 6 unwritten
210 7751 13561192 13561189 6 unwritten
211 7757 13561548 13561198 6 unwritten
212 7763 13558768 13561554 5 unwritten
213 7768 13558889 13558773 5 unwritten
214 7773 13559294 13558894 5 unwritten
215 7778 13559310 13559299 5 unwritten
216 7783 13560214 13559315 5 unwritten
217 7788 13561118 13560219 5 unwritten
218 7793 13558047 13561123 4 unwritten
219 7797 13558332 13558051 4 unwritten
220 7801 13558365 13558336 4 unwritten
221 7805 13558622 13558369 4 unwritten
222 7809 13558679 13558626 4 unwritten
223 7813 13558749 13558683 4 unwritten
224 7817 13559165 13558753 4 unwritten
225 7821 13564189 13559169 36 unwritten
226 7857 13564289 13564225 70 unwritten
227 7927 13559354 13564359 4 unwritten
228 7931 13564891 13559358 38 unwritten
229 7969 13565148 13564929 84 unwritten
230 8053 13565233 13565232 63 unwritten
231 8116 13565297 13565296 19 unwritten
232 8135 13565317 13565316 10 unwritten
233 8145 13565328 13565327 41 unwritten
234 8186 13559471 13565369 4 unwritten
235 8190 13565375 13559475 45 unwritten
236 8235 13565421 13565420 38 unwritten
237 8273 13565460 13565459 48 unwritten
238 8321 13565509 13565508 17 unwritten
239 8338 13565370 13565526 4 unwritten
240 8342 13557962 13565374 3 unwritten
241 8345 13565533 13557965 94 unwritten
242 8439 13558370 13565627 3 unwritten
243 8442 13565631 13558373 6 unwritten
244 8448 13565638 13565637 86 unwritten
245 8534 13558540 13565724 3 unwritten
246 8537 13565729 13558543 13 unwritten
247 8550 13565743 13565742 105 unwritten
248 8655 13565849 13565848 28 unwritten
249 8683 13565878 13565877 75 unwritten
250 8758 13558664 13565953 3 unwritten
251 8761 13558762 13558667 3 unwritten
252 8764 13558858 13558765 3 unwritten
253 8767 13565981 13558861 11 unwritten
254 8778 13570409 13565992 54 unwritten
255 8832 13571201 13570463 47 unwritten
256 8879 13575188 13571248 35 unwritten
257 8914 13579393 13575223 119 unwritten
258 9033 13582040 13579512 106 unwritten
259 9139 13582147 13582146 82 unwritten
260 9221 13582231 13582229 106 unwritten
261 9327 13575840 13582337 53 unwritten
262 9380 13582005 13575893 34 unwritten
263 9414 13579728 13582039 33 unwritten
264 9447 13579915 13579761 24 unwritten
265 9471 13574339 13579939 23 unwritten
266 9494 13577088 13574362 20 unwritten
267 9514 13577627 13577108 19 unwritten
268 9533 13579950 13577646 18 unwritten
269 9551 13574295 13579968 17 unwritten
270 9568 13582508 13574312 30 unwritten
271 9598 13588652 13582538 146 unwritten
272 9744 13585801 13588798 121 unwritten
273 9865 13585434 13585922 120 unwritten
274 9985 13588448 13585554 119 unwritten
275 10104 13588180 13588567 113 unwritten
276 10217 13588951 13588293 107 unwritten
277 10324 13586207 13589058 106 unwritten
278 10430 13589131 13586313 164 unwritten
279 10594 13586622 13589295 102 unwritten
280 10696 13589328 13586724 106 unwritten
281 10802 13586927 13589434 82 unwritten
282 10884 13585993 13587009 79 unwritten
283 10963 13587311 13586072 78 unwritten
284 11041 13589514 13587389 78 unwritten
285 11119 13587602 13589592 77 unwritten
286 11196 13589929 13587679 161 unwritten
287 11357 13589436 13590090 77 unwritten
288 11434 13590120 13589513 120 unwritten
289 11554 13590241 13590240 126 unwritten
290 11680 13586543 13590367 76 unwritten
291 11756 13590409 13586619 120 unwritten
292 11876 13589593 13590529 70 unwritten
293 11946 13586857 13589663 69 unwritten
294 12015 13586359 13586926 67 unwritten
295 12082 13588883 13586426 67 unwritten
296 12149 13589063 13588950 67 unwritten
297 12216 13586727 13589130 64 unwritten
298 12280 13586468 13586791 61 unwritten
299 12341 13585929 13586529 60 unwritten
300 12401 13586073 13585989 59 unwritten
301 12460 13585613 13586132 58 unwritten
302 12518 13585690 13585671 58 unwritten
303 12576 13584829 13585748 57 unwritten
304 12633 13589704 13584886 57 unwritten
305 12690 13588800 13589761 52 unwritten
306 12742 13588312 13588852 51 unwritten
307 12793 13586148 13588363 47 unwritten
308 12840 44779909 13586195 61 unwritten
309 12901 44780846 44779970 79 unwritten
310 12980 44780458 44780925 61 unwritten
311 13041 44779653 44780519 58 unwritten
312 13099 44777775 44779711 52 unwritten
313 13151 44778482 44777827 51 unwritten
314 13202 44779251 44778533 51 unwritten
315 13253 44781016 44779302 91 unwritten
316 13344 44778808 44781107 48 unwritten
317 13392 44779120 44778856 46 unwritten
318 13438 44781140 44779166 63 unwritten
319 13501 44778244 44781203 45 unwritten
320 13546 44778762 44778289 45 unwritten
321 13591 44781225 44778807 95 unwritten
322 13686 44778858 44781320 44 unwritten
323 13730 44778187 44778902 43 unwritten
324 13773 44779053 44778230 41 unwritten
325 13814 44781399 44779094 43 unwritten
326 13857 44778962 44781442 40 unwritten
327 13897 44779487 44779002 40 unwritten
328 13937 44778414 44779527 39 unwritten
329 13976 44778922 44778453 39 unwritten
330 14015 44781321 44778961 39 unwritten
331 14054 44781517 44781360 85 unwritten
332 14139 44780786 44781602 38 unwritten
333 14177 44777555 44780824 37 unwritten
334 14214 44780587 44777592 36 unwritten
335 14250 44778642 44780623 35 unwritten
336 14285 44781647 44778677 100 unwritten
337 14385 44781748 44781747 45 unwritten
338 14430 44780382 44781793 35 unwritten
339 14465 44778340 44780417 34 unwritten
340 14499 44779385 44778374 34 unwritten
341 14533 44781848 44779419 72 unwritten
342 14605 44779870 44781920 34 unwritten
343 14639 44780015 44779904 34 unwritten
344 14673 44777889 44780049 33 unwritten
345 14706 44781972 44777922 138 unwritten
346 14844 44782111 44782110 160 unwritten
347 15004 44780926 44782271 32 unwritten
348 15036 44778375 44780958 31 unwritten
349 15067 44778575 44778406 31 unwritten
350 15098 44780187 44778606 30 unwritten
351 15128 44782299 44780217 37 unwritten
352 15165 44778688 44782336 29 unwritten
353 15194 44782353 44778717 75 unwritten
354 15269 44782429 44782428 122 unwritten
355 15391 44782553 44782551 322 unwritten
356 15713 44782876 44782875 40 unwritten
357 15753 44782917 44782916 30 unwritten
358 15783 44782948 44782947 70 unwritten
359 15853 44783019 44783018 86 unwritten
360 15939 44783107 44783105 215 unwritten
361 16154 44783323 44783322 35 unwritten
362 16189 44778724 44783358 29 unwritten
363 16218 44783389 44778753 52 unwritten
364 16270 44783442 44783441 67 unwritten
365 16337 44783510 44783509 76 unwritten
366 16413 44783587 44783586 91 unwritten
367 16504 44783679 44783678 188 unwritten
368 16692 44783868 44783867 55 unwritten
369 16747 44783924 44783923 45 unwritten
370 16792 44783970 44783969 39 unwritten
371 16831 44780072 44784009 29 unwritten
372 16860 44784022 44780101 73 unwritten
373 16933 44784096 44784095 76 unwritten
374 17009 44780115 44784172 29 unwritten
375 17038 44780145 44780144 29 unwritten
376 17067 44784181 44780174 233 unwritten
377 17300 44784415 44784414 255 unwritten
378 17555 44783359 44784670 29 unwritten
379 17584 44779712 44783388 28 unwritten
380 17612 44779777 44779740 28 unwritten
381 17640 44784707 44779805 52 unwritten
382 17692 44781369 44784759 28 unwritten
383 17720 44777970 44781397 27 unwritten
384 17747 44778085 44777997 27 unwritten
385 17774 44778141 44778112 27 unwritten
386 17801 44778293 44778168 27 unwritten
387 17828 44784809 44778320 179 unwritten
388 18007 44784989 44784988 40 unwritten
389 18047 44785030 44785029 231 unwritten
390 18278 44785262 44785261 45 unwritten
391 18323 44785308 44785307 357 unwritten
392 18680 44778547 44785665 27 unwritten
393 18707 44779357 44778574 27 unwritten
394 18734 44779537 44779384 27 unwritten
395 18761 44780278 44779564 27 unwritten
396 18788 44781921 44780305 27 unwritten
397 18815 44779017 44781948 26 unwritten
398 18841 44779580 44779043 26 unwritten
399 18867 44780335 44779606 26 unwritten
400 18893 44780658 44780361 26 unwritten
401 18919 44780728 44780684 26 unwritten
402 18945 44785892 44780754 30 unwritten
403 18975 44789606 44785922 136 unwritten
404 19111 44788602 44789742 104 unwritten
405 19215 44789075 44788706 95 unwritten
406 19310 44789895 44789170 92 unwritten
407 19402 44787855 44789987 78 unwritten
408 19480 44787670 44787933 77 unwritten
409 19557 44791413 44787747 80 unwritten
410 19637 44788513 44791493 75 unwritten
411 19712 44790631 44788588 75 unwritten
412 19787 44787177 44790706 71 unwritten
413 19858 44791556 44787248 122 unwritten
414 19980 44790092 44791678 69 unwritten
415 20049 44786455 44790161 68 unwritten
416 20117 44790242 44786523 66 unwritten
417 20183 44791726 44790308 118 unwritten
418 20301 44791100 44791844 63 unwritten
419 20364 44788380 44791163 62 unwritten
420 20426 44786252 44788442 54 unwritten,eof
testfile: 421 extents found
--
Bron Gondwana
brong@...tmail.fm
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