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IDS Forum

Re: Informix nonblocking checkpoints slow

Posted By: NATYURAL HORACIO
Date: Thursday, 12 January 2012, at 8:43 a.m.

In Response To: Re: Informix nonblocking checkpoints slow (Art Kagel)

here it is, oddly the dskflu/sec are really low. checkpoints are long when the dsk flu/seconds are high.

Critical Sections Physical Log Logical Log

Clock Total Flush Block # Ckpt Wait Long # Dirty Dskflu Total Avg Total Avg
Interval Time Trigger LSN Time Time Time Waits Time Time Time Buffers /Sec Pages /Sec Pages /Sec
387978 14:20:17 CKPTINTVL 1153313:0x4a0a0bc 125.3 125.0 0.0 10 0.1 0.1 0.2 13323 106 7149 23 19240 63
387979 14:26:24 CKPTINTVL 1153313:0x9e9c2a0 187.2 180.1 0.0 123 7.0 3.3 7.1 16321 90 10757 34 26726 85
387980 14:30:04 CKPTINTVL 1153313:0xe380018 100.0 99.9 0.0 2 0.0 0.1 0.1 15631 156 8314 27 25301 84
387981 14:37:34 CKPTINTVL 1153314:0x68073b8 240.8 239.6 0.0 13 0.3 0.8 1.2 16993 70 11837 38 47907 154
387982 14:42:17 CKPTINTVL 1153314:0xc91b750 193.0 190.4 0.0 97 2.4 1.4 2.6 16987 89 9631 29 28383 85
387983 14:45:09 CKPTINTVL 1153315:0x58d2a4 52.3 52.0 0.0 21 0.1 0.1 0.4 10312 198 5349 17 14800 47
387984 14:52:17 CKPTINTVL 1153315:0x687e654 158.8 156.2 0.0 17 0.3 1.5 2.6 18160 116 12074 37 35648 110
387985 14:57:37 CKPTINTVL 1153315:0xbe970b4 170.5 170.3 0.0 4 0.0 0.2 0.2 17055 100 9795 32 35193 115
387986 15:03:47 CKPTINTVL 1153316:0x3851180 220.4 189.3 0.0 372 30.9 12.3 30.8 16335 86 10037 28 28886 82
387987 15:07:09 CKPTINTVL 1153316:0x755a0bc 83.0 82.6 0.0 7 0.0 0.3 0.3 16281 197 8188 26 20897 67
387988 15:13:49 CKPTINTVL 1153316:0xdbf63b0 158.2 157.9 0.0 13 0.1 0.2 0.3 16160 102 11392 35 33779 104
387989 15:18:48 CKPTINTVL 1153317:0x3c2442c 149.4 147.8 0.0 28 0.5 1.0 1.6 15788 106 9297 30 23258 75
387990 15:22:05 CKPTINTVL 1153317:0x86d4048 17.2 17.1 0.0 5 0.0 0.1 0.1 16925 987 9848 30 20380 62
387991 15:27:18 CKPTINTVL 1153318:0x5ae11d0 14.0 13.7 0.0 6 0.0 0.2 0.2 16785 1222 19510 61 50050 157
387992 15:32:30 CKPTINTVL 1153318:0xe194068 12.8 12.7 0.0 7 0.0 0.1 0.1 16478 1299 14081 44 35540 113
387993 15:37:42 CKPTINTVL 1153319:0x79530bc 12.6 12.2 0.0 12 0.1 0.2 0.3 16599 1356 12728 40 34188 109
387994 15:43:00 CKPTINTVL 1153319:0xd15713c 18.2 17.7 0.0 18 0.2 0.3 0.4 16624 936 8120 26 22847 73
387995 15:48:12 CKPTINTVL 1153320:0x1cc11b0 12.8 12.4 0.0 11 0.2 0.3 0.4 16736 1344 6786 21 14690 46
387996 15:53:25 CKPTINTVL 1153320:0x91eb3e8 14.0 13.7 0.0 13 0.0 0.2 0.3 16543 1208 14065 45 30922 99
387997 15:58:39 CKPTINTVL 1153320:0xe9ec5cc 14.7 14.4 0.0 8 0.0 0.2 0.2 16837 1165 10719 34 23309 74

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