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% Copyright (c) 1986,87,89,90,91 by Frame Technology Corporation.
% All rights reserved.
%
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% Due to bugs in Transcript, the 'PS-Adobe-' is omitted from line 1
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/is w string def
ws 0 w getinterval is copy pop
/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ip gip bip w gray} image
bitmapsave restore
grestore
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/ww FMLOCAL
/r FMLOCAL
/g FMLOCAL
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/gray {
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0 1 ww 1 sub { /i exch def r i get .299 mul g i get .587 mul
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r
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gsave
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/is w string def
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/bis w string def
/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ cf is readhexstring pop
cf gis readhexstring pop
cf bis readhexstring pop w gray} image
bitmapsave restore
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/ALDsave save def
savematrix
ALDmatrix setmatrix
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restorematrix
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/DoneALD {
ALDsave restore
} bind def
%%EndProlog
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612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
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45 744 567.75 765 R
V
0 10 Q
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(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 1 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
54 72 567 720 R
7 X
V
0 36 Q
0 X
(Overview) 239.54 696 T
3 18 Q
(Interaction with the log manager) 54 658 T
(A few speci\336cs on algorithms and data structur) 54 626 T
(es) 415.96 626 T
(In-cor) 54 594 T
(e log) 101.64 594 T
(In-cor) 54 562 T
(e log details) 101.64 562 T
(Other interfaces) 54 530 T
(On-disk log r) 54 498 T
(epr) 155.64 498 T
(esentation) 181.3 498 T
(Log r) 54 466 T
(ecord header) 96.15 466 T
(Log operation header) 54 434 T
(Not yet implemented) 54 402 T
FMENDPAGE
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(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
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(Log Manager Design) 56.25 27 T
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(December 17, 1993) 307.57 29.12 T
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(Page 2 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
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(this page left intentionally blank) 207.75 489 T
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612 792 0 FMBEGINPAGE
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(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 3 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
45 81 567 729 R
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V
3 24 Q
0 X
(Interaction with the log manager) 137.45 713 T
0 16 Q
(1.) 45 686.33 T
(Request a reservation) 58.74 686.33 T
4 F
2 K
(\245) 58.75 662.33 T
0 F
0 K
(ubiquitous mount structure) 71.64 662.33 T
4 F
2 K
(\245) 58.75 638.33 T
0 F
0 K
(transaction identi\336er \050uuid?-- returned from log manager?\051) 71.64 638.33 T
4 F
2 K
(\245) 58.75 614.33 T
0 F
0 K
(length of data in bytes \050assert on long alignment?\051) 71.64 614.33 T
4 F
2 K
(\245) 58.75 590.33 T
0 F
0 K
(ticket pointer \050returned from log manager\051) 71.64 590.33 T
4 F
2 K
(\245) 58.75 566.33 T
0 F
0 K
(client identi\336er \050currently only transaction manager supported\051) 71.64 566.33 T
4 F
2 K
(\245) 58.75 542.33 T
0 F
0 K
(\337ags) 71.64 542.33 T
4 F
2 K
(\245) 71.64 518.33 T
0 F
0 K
(sleep \050not yet implemented\051) 84.6 518.33 T
4 F
2 K
(\245) 71.64 494.33 T
0 F
0 K
(no sleep) 84.6 494.33 T
4 F
2 K
(\245) 71.64 470.33 T
0 F
0 K
(permanent reservation \050not yet implemented-more later\051) 84.6 470.33 T
(2.) 45 446.33 T
(Possibly multiple writes to log manager using the ticket provided) 58.74 446.33 T
4 F
2 K
(\245) 58.75 422.33 T
0 F
0 K
(mount structure) 71.64 422.33 T
4 F
2 K
(\245) 58.75 398.33 T
0 F
0 K
(array of region pointers) 71.64 398.33 T
4 F
2 K
(\245) 58.75 374.33 T
0 F
0 K
(number of region pointers) 71.64 374.33 T
4 F
2 K
(\245) 71.64 350.33 T
0 F
0 K
(address) 84.6 350.33 T
4 F
2 K
(\245) 71.64 326.33 T
0 F
0 K
(length in bytes) 84.6 326.33 T
4 F
2 K
(\245) 71.64 302.33 T
0 F
0 K
(log sequence number of speci\336c region \050more later\051) 84.6 302.33 T
4 F
2 K
(\245) 58.75 278.33 T
0 F
0 K
(ticket) 71.64 278.33 T
(3.) 45 254.33 T
(Finish with reservation and commit transaction) 58.74 254.33 T
4 F
2 K
(\245) 58.75 230.33 T
0 F
0 K
(mount structure) 71.64 230.33 T
4 F
2 K
(\245) 58.75 206.33 T
0 F
0 K
(ticket) 71.64 206.33 T
(4.) 45 182.33 T
(Possibly multiple callback noti\336cations to be called after data is on disk) 58.74 182.33 T
4 F
2 K
(\245) 58.75 158.33 T
0 F
0 K
(mount structure) 71.64 158.33 T
4 F
2 K
(\245) 58.75 134.33 T
0 F
0 K
(log sequence number) 71.64 134.33 T
4 F
2 K
(\245) 58.75 110.33 T
0 F
0 K
(callback function) 71.64 110.33 T
4 F
2 K
(\245) 58.75 86.33 T
0 F
0 K
(callback ar) 71.64 86.33 T
(gument) 141.06 86.33 T
FMENDPAGE
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612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
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45 744 567.75 765 R
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(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 4 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
44.25 81 567.75 720.75 R
7 X
V
3 24 Q
0 X
(A few speci\336cs on algorithms & data structur) 64.05 704.75 T
(es) 527.97 704.75 T
4 16 Q
2 K
(\245) 44.25 662.08 T
0 F
0 K
(Reservations) 57.99 662.08 T
(Long running transactions use:) 57.99 638.08 T
4 F
2 K
(\245) 58 614.08 T
0 F
0 K
(permanent reservations) 70.89 614.08 T
4 F
2 K
(\245) 58 590.08 T
0 F
0 K
(ask for two times what they need for one transaction) 70.89 590.08 T
4 F
2 K
(\245) 44.25 548.08 T
0 F
0 K
(T) 57.99 548.08 T
(ickets) 67.21 548.08 T
4 F
2 K
(\245) 58 524.08 T
0 F
0 K
(single threaded data structures) 70.89 524.08 T
4 F
2 K
(\245) 58 500.08 T
0 F
0 K
(allocated in page size chunks and never deallocated) 70.89 500.08 T
4 F
2 K
(\245) 58 476.08 T
0 F
0 K
(stored on a linked list, hung of) 70.89 476.08 T
(f the main log structure) 265.6 476.08 T
4 F
2 K
(\245) 58 452.08 T
0 F
0 K
(contain:) 70.89 452.08 T
4 F
2 K
(\245) 70.89 428.08 T
0 F
0 K
(transaction identi\336er) 83.85 428.08 T
4 F
2 K
(\245) 70.89 404.08 T
0 F
0 K
(reservation in bytes) 83.85 404.08 T
4 F
2 K
(\245) 70.89 380.08 T
0 F
0 K
(client identi\336er) 83.85 380.08 T
4 F
2 K
(\245) 44.25 338.08 T
0 F
0 K
(Main log structure hung of) 57.99 338.08 T
(f mount structure) 229.15 338.08 T
4 11 Q
(typedef struct log {) 44.25 311.42 T
5 F
(log_ticket_t) 62.25 298.42 T
4 F
(*l_freelist;) 152.25 298.42 T
(/* free list of tickets */) 260.25 298.42 T
5 F
(in_core_log_t) 62.25 285.42 T
4 F
(*l_iclog;) 152.25 285.42 T
(/* 1st copy of in-core log */) 260.25 285.42 T
5 F
(in_core_log_t) 62.25 272.42 T
4 F
(*l_iclog2;) 152.25 272.42 T
(/* 2nd copy of in-core log */) 260.25 272.42 T
5 F
(in_core_log_t) 62.25 259.42 T
4 F
(*l_iclog_curr;) 152.25 259.42 T
(/* current active log */) 260.25 259.42 T
5 F
(sema_t) 62.25 246.42 T
4 F
(l_iclogsema;) 152.25 246.42 T
(/* grab to change iclog state */) 260.25 246.42 T
5 F
(dev_t) 62.25 233.42 T
4 F
(l_dev;) 152.25 233.42 T
(/* dev_t of log */) 260.25 233.42 T
5 F
(int) 62.25 220.42 T
4 F
(l_logsize;) 152.25 220.42 T
(/* total size in bytes of log */) 260.25 220.42 T
5 F
(int) 62.25 207.42 T
4 F
(l_cycle;) 152.25 207.42 T
(/* Cycle number of log writes */) 260.25 207.42 T
5 F
(int) 62.25 194.42 T
4 F
(l_currblock;) 152.25 194.42 T
(/* current logical block of log */) 260.25 194.42 T
5 F
(int) 62.25 181.42 T
4 F
(l_logreserved;) 152.25 181.42 T
(/* log space currently reserved */) 260.25 181.42 T
5 F
(xfs_lsn_t) 62.25 168.42 T
4 F
(l_sync_lsn;) 152.25 168.42 T
(/* lsn of last LR w/ buffers committed */) 260.25 168.42 T
(} log_t;) 44.25 155.42 T
FMENDPAGE
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612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
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45 744 567.75 765 R
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(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
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(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 5 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
44.25 81 567.75 720.75 R
7 X
V
3 24 Q
0 X
(In-cor) 250.59 704.75 T
(e log) 314.11 704.75 T
0 16 Q
(Why?) 44.25 662.08 T
0 14 Q
(Used to help performance of log manager and buf) 57.99 639.42 T
(fer cache.) 336.74 639.42 T
0 16 Q
(How?) 44.25 610.08 T
0 14 Q
( Batch multiple log operations together into lar) 57.99 587.42 T
(ger writes to disk) 320.08 587.42 T
4 16 Q
2 K
(\245) 70.89 564.08 T
0 F
0 K
(decreases the number of writes going to disk.) 83.85 564.08 T
4 F
2 K
(\245) 70.89 540.08 T
0 F
0 K
(decreases the time buf) 83.85 540.08 T
(fers stay pinned in memory) 226.11 540.08 T
(.) 400.06 540.08 T
4 11 Q
(typedef struct in_core_log {) 44.25 489.42 T
(union {) 80.25 476.42 T
5 F
(log_rec_header_t) 116.25 463.42 T
4 F
(sic_header;) 260.25 463.42 T
5 F
(char) 116.25 450.42 T
4 F
(sic_sector[LOG_HEADER_SIZE];) 260.25 450.42 T
(}) 80.25 437.42 T
5 F
(ic_s) 93.43 437.42 T
4 F
(;) 119.8 437.42 T
5 F
(char) 80.25 424.42 T
4 F
(ic_data[LOG_RECORD_SIZE-LOG_HEADER_SIZE];) 152.25 424.42 T
5 F
(xfs_lsn_t) 80.25 411.42 T
4 F
(ic_current_lsn;) 152.25 411.42 T
(/* lsn for this log record */) 260.25 411.42 T
5 F
(int) 80.25 398.42 T
4 F
(ic_size;) 152.25 398.42 T
(/* total size of data buffer */) 260.25 398.42 T
5 F
(uint) 80.25 385.42 T
4 F
(ic_offset;) 152.25 385.42 T
(/* start to begin writing data */) 260.25 385.42 T
5 F
(char) 80.25 372.42 T
4 F
(ic_state;) 152.25 372.42 T
(/* state of this IC log */) 260.25 372.42 T
5 F
(char) 80.25 359.42 T
4 F
(ic_refcnt;) 152.25 359.42 T
(/* reference count */) 260.25 359.42 T
5 F
(buf_t) 80.25 346.42 T
4 F
(*ic_bp;) 152.25 346.42 T
(/* private buffer pointer */) 260.25 346.42 T
(} in_core_log_t;) 44.25 333.42 T
(#def) 44.25 294.42 T
(ine) 70.62 294.42 T
5 F
(ic_header) 96.99 294.42 T
4 F
( ic_s.sic_header) 156.31 294.42 T
0 14 Q
(still need to union ic_data with a log_op_header_t) 57.99 256.42 T
FMENDPAGE
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%%Page: "6" 6
612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 6 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
44.25 81 567.75 720.75 R
7 X
V
3 24 Q
0 X
(In-cor) 214.28 704.75 T
(e log details) 277.79 704.75 T
4 16 Q
2 K
(\245) 44.25 640.08 T
0 F
0 K
(T) 57.99 640.08 T
(wo complete in-core structures) 66.65 640.08 T
4 F
2 K
(\245) 58 616.08 T
0 F
0 K
(while one is syncing to disk, writes can occur to the other in-core log.) 70.89 616.08 T
4 F
2 K
(\245) 58 592.08 T
0 F
0 K
(need some type of simple state machine which is MP-safe.) 70.89 592.08 T
4 F
2 K
(\245) 44.25 568.08 T
0 F
0 K
(Multiple log writes can be happening at the same time to the same in-core log.) 57.99 568.08 T
4 F
2 K
(\245) 58 544.08 T
0 F
0 K
(use of) 70.89 544.08 T
(fset to determine where next write can start.) 109.24 544.08 T
4 F
2 K
(\245) 58 520.08 T
0 F
0 K
(use refcnt to remember how many writes are happening concurrently) 70.89 520.08 T
(.) 510.82 520.08 T
4 F
2 K
(\245) 44.25 496.08 T
0 F
0 K
(The following structures/\336elds will be under state machine control:) 57.99 496.08 T
4 F
2 K
(\245) 58 472.08 T
0 F
0 K
(states of both in-core logs) 70.89 472.08 T
4 F
2 K
(\245) 58 448.08 T
0 F
0 K
(of) 70.89 448.08 T
(fsets of both in-core logs) 83.92 448.08 T
4 F
2 K
(\245) 58 424.08 T
0 F
0 K
(reference counts of both in-core logs) 70.89 424.08 T
4 F
2 K
(\245) 58 400.08 T
0 F
0 K
(current active in-core log) 70.89 400.08 T
4 F
2 K
(\245) 58 376.08 T
0 F
0 K
(callback functions of both in-core logs) 70.89 376.08 T
4 F
2 K
(\245) 44.25 352.08 T
0 F
0 K
(Need to think more about the case where both logs are syncing to disk and a) 57.99 352.08 T
(new write comes in.) 57.99 334.08 T
FMENDPAGE
%%EndPage: "6" 7
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612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 7 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
45 81 567 729 R
7 X
V
3 24 Q
0 X
(Other interfaces) 222.41 713 T
0 18 Q
(Force log manager to write in-core log to disk) 45 641 T
4 16 Q
2 K
(\245) 45 616.33 T
0 F
0 K
(perform synchronously) 58.74 616.33 T
4 F
2 K
(\245) 45 592.33 T
0 F
0 K
(force it down now) 58.74 592.33 T
4 F
2 K
(\245) 45 568.33 T
0 F
0 K
(force it down within some timeout \050not yet implemented\051) 58.74 568.33 T
0 18 Q
(Assign new transaction to a given reservation) 45 505 T
4 16 Q
2 K
(\245) 45 480.33 T
0 F
0 K
(mount structure) 58.74 480.33 T
4 F
2 K
(\245) 45 456.33 T
0 F
0 K
(ticket) 58.74 456.33 T
4 F
2 K
(\245) 45 432.33 T
0 F
0 K
(old transaction identi\336er) 58.74 432.33 T
4 F
2 K
(\245) 45 408.33 T
0 F
0 K
(new transaction identi\336er \050uuid?--from log manager?\051) 58.74 408.33 T
0 18 Q
(Mount log \336lesystem) 45 345 T
4 16 Q
2 K
(\245) 45 320.33 T
0 F
0 K
(mount structure) 58.74 320.33 T
4 F
2 K
(\245) 45 296.33 T
0 F
0 K
(log device number) 58.74 296.33 T
4 F
2 K
(\245) 45 272.33 T
0 F
0 K
(\337ags \050none de\336ned yet\051) 58.74 272.33 T
0 18 Q
(Initialize log \336lesystem - does nothing now) 45 211 T
FMENDPAGE
%%EndPage: "7" 8
%%Page: "8" 8
612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 8 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
3 24 Q
(On-disk r) 169.49 681 T
(epr) 268.37 681 T
(esentation) 302.57 681 T
171.76 207 271.83 621 R
0.5 H
2 Z
N
171.76 531 271.83 531 2 L
N
301.56 527.69 290.03 531 301.56 534.31 301.56 531 4 Y
V
301.56 531 335.52 531 2 L
N
0 16 Q
(start of log) 353.71 529.09 T
0 12 Q
(4k boundary) 104.25 528.75 T
171 486 270 486 2 L
N
(log rec header) 185.25 506.6 T
171 459 270 459 2 L
N
(log op header) 186 469.85 T
(512 bytes) 115.69 506.6 T
171 387 270 387 2 L
N
(data) 209.52 420.75 T
171 360 270 360 2 L
N
(log op header) 188.25 370.5 T
171 333 270 333 2 L
N
(data) 208.02 342 T
171 297 270 297 2 L
N
(log rec header) 187.5 312.82 T
171 270 270 270 2 L
N
(log op header) 189 281.6 T
171 243 270 243 2 L
N
(data) 210 253.5 T
(512 bytes) 117 308.6 T
(4k boundary) 107.25 332.6 T
0 36 Q
(...) 200.25 223.5 T
0 14 Q
(4k log record boundaries and) 324 468 T
(512 byte log record headers) 324 454 T
(are constants but not necessarily) 324 440 T
(set in concrete.) 324 426 T
0 12 Q
(long aligned) 106.5 385.5 T
FMENDPAGE
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%%Page: "9" 9
612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 9 of 1) 517.39 29.12 T
(1) 552.61 29.12 T
3 24 Q
(Log r) 215.84 721.64 T
(ecord header) 272.04 721.64 T
90 167.25 540 684 R
7 X
V
0.5 H
2 Z
0 X
N
90 641.82 540 641.82 2 L
N
0 16 Q
(magic number) 258.75 658.84 T
90 599.63 540 599.63 2 L
N
(version number) 255 610.97 T
0 12 Q
(32 bits) 293.18 698.32 T
518.72 703.81 530.25 700.5 518.72 697.19 518.72 700.5 4 Y
V
332.25 700.5 518.72 700.5 2 L
N
540 691.5 540 709.5 2 L
N
103.79 697.94 92.25 701.25 103.79 704.56 103.79 701.25 4 Y
V
290.25 701.25 103.79 701.25 2 L
N
91.5 693 91.5 711 2 L
N
90 515.27 540.75 515.27 2 L
N
0 14 Q
(log sequence number) 252 558.04 T
90 430.9 540 430.9 2 L
N
(sync log sequence number) 239.25 468.79 T
90 388.72 540 388.72 2 L
N
90 346.54 540 346.54 2 L
N
90 304.35 540 304.35 2 L
N
(checksum \050non-zero if used\051) 227.25 405.79 T
(previous of) 270.75 362.29 T
(fset) 333.84 362.29 T
(number of log operations) 251.25 322.54 T
(block numbers which collide with magic number) 186 271.54 T
(Reservations are internally increased by the size of a log record header \050512 bytes\051) 91.5 135.75 T
FMENDPAGE
%%EndPage: "9" 10
%%Page: "10" 10
612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 10 of 1) 513.5 29.12 T
(1) 552.61 29.12 T
99.75 503.25 519.75 642 R
7 X
V
0.5 H
2 Z
0 X
N
3 24 Q
(Log operation header) 217.84 689.21 T
99 648 99 666 2 L
N
522 648 522 666 2 L
N
0 12 Q
(32 bits) 303.68 652.57 T
510.46 660.31 522 657 510.46 653.69 510.46 657 4 Y
V
342 657 510.46 657 2 L
N
110.54 653.69 99 657 110.54 660.31 110.54 657 4 Y
V
297 657 110.54 657 2 L
N
99 576 522 576 2 L
N
(transaction id) 268.04 605.6 T
99 540 522 540 2 L
N
(length) 288 558 T
99 504 522 504 2 L
N
306 540 306 504 2 L
N
207 540 207 504 2 L
N
(client identi\336er) 117 519 T
(\337ags) 246.59 519 T
(reserved) 378.75 519 T
3 24 Q
(Log Sequence Number) 215.25 432 T
105.75 360 528 396 R
N
315.75 395.25 315.75 360 2 L
N
105.5 400 105.5 418 2 L
N
528.5 400 528.5 418 2 L
N
0 12 Q
(64 bits) 310.18 404.57 T
516.97 412.31 528.5 409 516.97 405.69 516.97 409 4 Y
V
348.5 409 516.97 409 2 L
N
117.04 405.69 105.5 409 117.04 412.31 117.04 409 4 Y
V
303.5 409 117.04 409 2 L
N
(pass number) 182.71 376.57 T
(log block number) 381.89 375.82 T
0 14 Q
(Log sequence numbers are used at recovery time to \336nd the end of the log.) 107.25 321 T
(The log block number of the start of the log record is embedded in the lsn,) 107.25 293 T
(so the tail of the log can be tracked more easily) 107.25 279 T
(.) 370.59 279 T
FMENDPAGE
%%EndPage: "10" 11
%%Page: "11" 11
612 792 0 FMBEGINPAGE
45.75 37.5 568.5 724.5 R
7 X
0 K
V
45 744 567.75 765 R
V
0 10 Q
0 X
(Silicon Graphics Proprietary) 49.5 751.5 T
(Michael Nishimoto) 483.75 751.5 T
0 12 Q
(Log Manager Design) 56.25 27 T
1 8 Q
(December 17, 1993) 307.57 29.12 T
2 7 Q
(Page 1) 514.02 29.12 T
(1 of 1) 535.65 29.12 T
(1) 552.61 29.12 T
54 72 540 720 R
7 X
V
3 24 Q
0 X
(Not yet implemented) 190.42 704 T
0 16 Q
(Recovery code) 54 661.33 T
(Finding the end of the on-disk log \050algorithm described in design doc\051) 54 631.33 T
(Complete in-core log state machine \050including callback functions\051) 54 601.33 T
(Rolling log/tail management) 54 571.33 T
FMENDPAGE
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