* big reiserfs regression in 2.4.20-pre2
@ 2002-08-16 3:08 rwhron
0 siblings, 0 replies; 8+ messages in thread
From: rwhron @ 2002-08-16 3:08 UTC (permalink / raw)
To: reiserfs-list
On a quad xeon with 3.75 gb ram there was a big
regression in dbench and tiobench with many threads
between 2.4.20-pre1 and 2.4.20-pre2. Below is from
5 dbench runs.
There was a 23% regression at 192 processes
reiserfs
dbench 192 processes Average High Low
2.4.20-pre1 55.94 58.17 54.26
2.4.20-pre2 42.98 44.73 42.30
And 13% regression at 64 processes.
dbench 64 processes Average High Low
2.4.20-pre1 70.98 72.53 69.47
2.4.20-pre2 61.93 64.01 57.31
ext2 and ext3 did not change between 2.4.20-pre1 and pre2.
ext3
dbench 192 processes Average High Low
2.4.20-pre1 60.50 61.47 59.01
2.4.20-pre2 60.61 61.63 58.80
dbench 64 processes Average High Low
2.4.20-pre1 82.73 89.63 64.67
2.4.20-pre2 83.12 91.28 65.11
ext2
dbench 192 processes Average High Low
2.4.20-pre1 116.32 124.44 110.95
2.4.20-pre2 116.45 119.89 109.89
dbench 64 processes Average High Low
2.4.20-pre1 145.61 158.67 102.33
2.4.20-pre2 145.77 158.96 103.89
CPU utilization on reiserfs went down in the high thread count
tiobench tests, but it also had a throughput regression when there was
more than one thread most tests. ext2 and ext3 didn't have a regression.
tiobench-0.3.3
Unit information
================
File size = 12288 megabytes
Blk Size = 4096 bytes
Rate = megabytes per second
CPU% = percentage of CPU used during the test
Latency = milliseconds
Lat% = percent of requests that took longer than X seconds
CPU Eff = Rate divided by CPU% - throughput per cpu load
Sequential Reads reiserfs had the biggest drop in throughput.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------- --- ----------------------------------------------------------
2.4.20-pre1 1 35.11 23.02% 0.331 107.07 0.00000 0.00000 152
2.4.20-pre2 1 34.68 22.83% 0.335 119.57 0.00000 0.00000 152
2.4.20-pre1 32 27.27 20.12% 11.536 258436.68 0.01275 0.01135 136
2.4.20-pre2 32 8.00 6.05% 43.881 7568.44 0.00096 0.00000 132
2.4.20-pre1 64 26.50 19.63% 21.328 361756.08 0.02183 0.02053 135
2.4.20-pre2 64 8.42 6.46% 79.039 15721.84 0.18813 0.00000 130
2.4.20-pre1 128 27.72 21.17% 35.485 814716.92 0.02671 0.02549 131
2.4.20-pre2 128 9.30 7.10% 135.056 32520.09 3.92532 0.00035 131
2.4.20-pre1 256 26.55 19.95% 68.425 825224.03 0.04636 0.04515 133
2.4.20-pre2 256 8.47 6.49% 285.430 62013.50 4.68931 0.11676 131
Random Reads reiserfs went down when there is more than 1 thread.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------- --- ----------------------------------------------------------
2.4.20-pre1 1 0.68 0.84% 17.320 51.54 0.00000 0.00000 81
2.4.20-pre2 1 0.70 0.76% 16.787 53.99 0.00000 0.00000 92
2.4.20-pre1 32 3.09 6.80% 102.783 535.46 0.00000 0.00000 46
2.4.20-pre2 32 1.98 3.84% 147.780 16015.44 0.55000 0.00000 52
2.4.20-pre1 64 3.10 5.99% 178.641 10722.38 0.50403 0.00000 52
2.4.20-pre2 64 2.18 3.70% 229.511 16850.53 2.77218 0.00000 59
2.4.20-pre1 128 3.35 5.27% 226.876 9018.16 1.91532 0.00000 64
2.4.20-pre2 128 2.31 3.98% 378.511 17932.69 5.77117 0.00000 58
2.4.20-pre1 256 3.26 6.44% 249.264 5751.33 0.57292 0.00000 51
2.4.20-pre2 256 2.20 5.53% 724.340 19268.40 13.09896 0.00000 40
Sequential Writes reiserfs cpu utilization went down, but throughput dropped.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------- --- ----------------------------------------------------------
2.4.20-pre1 1 39.31 71.71% 0.282 6301.59 0.00012 0.00000 55
2.4.20-pre2 1 38.28 73.39% 0.290 8058.03 0.00019 0.00000 52
2.4.20-pre1 32 29.64 119.5% 11.171 16619.06 0.18094 0.00000 25
2.4.20-pre2 32 23.52 103.0% 10.242 17721.55 0.13629 0.00000 23
2.4.20-pre1 64 29.02 115.6% 22.065 38792.62 0.38675 0.00426 25
2.4.20-pre2 64 20.92 84.06% 19.449 41273.31 0.33824 0.00480 25
2.4.20-pre1 128 31.52 111.6% 36.264 104743.20 0.40728 0.11428 28
2.4.20-pre2 128 22.31 87.18% 36.251 78916.66 0.46791 0.10154 26
2.4.20-pre1 256 28.95 132.7% 75.959 163159.61 0.79301 0.24067 22
2.4.20-pre2 256 20.08 93.50% 74.113 114883.50 0.83399 0.23864 21
Random Writes reiserfs - slightly improved.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------- --- ----------------------------------------------------------
2.4.20-pre1 1 3.57 3.80% 0.091 0.57 0.00000 0.00000 94
2.4.20-pre2 1 3.63 3.79% 0.089 0.68 0.00000 0.00000 96
2.4.20-pre1 32 3.52 9.15% 0.654 268.43 0.00000 0.00000 38
2.4.20-pre2 32 3.57 8.15% 0.377 258.42 0.00000 0.00000 44
2.4.20-pre1 64 3.68 9.50% 0.567 196.77 0.00000 0.00000 39
2.4.20-pre2 64 3.78 9.76% 0.450 319.24 0.00000 0.00000 39
2.4.20-pre1 128 3.48 8.38% 2.923 626.60 0.00000 0.00000 42
2.4.20-pre2 128 3.54 8.98% 0.669 735.87 0.00000 0.00000 39
2.4.20-pre1 256 3.45 9.11% 3.416 572.87 0.00000 0.00000 38
2.4.20-pre2 256 3.59 10.12% 1.350 824.15 0.00000 0.00000 35
Bonnie++ did not have these regressions, but I run that as a single thread.
More on the tests at:
http://home.earthlink.net/~rwhron/kernel/bigbox.html
--
Randy Hron
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: big reiserfs regression in 2.4.20-pre2
@ 2002-08-17 10:05 ` rwhron
0 siblings, 0 replies; 8+ messages in thread
From: rwhron @ 2002-08-17 10:05 UTC (permalink / raw)
To: green; +Cc: reiserfs-list, linux-kernel
Oleg Drokin <green @ namesys . com> wrote:
> Is regression going away if you pass this mount option to reiserfs:
> -o alloc=preallocmin=4:preallocsize=9
Yes.
On a quad xeon with 3.75 gb ram there is a regression on reiserfs
in dbench and tiobench with many threads between 2.4.20-pre1 and 2.4.20-pre2.
With alloc=preallocmin=4:preallocsize=9 mount option, throughput in pre2
is improved over pre1.
16% improvement instead of 23% regression at 192 processes
dbench reiserfs 192 processes Average High Low
2.4.20-pre1 55.94 58.17 54.26
2.4.20-pre2 42.98 44.73 42.30
2.4.20-pre2-oleg 64.95 66.72 63.36
9% improvement instead of 13% regression at 64 processes.
dbench reiserfs 64 processes Average High Low
2.4.20-pre1 70.98 72.53 69.47
2.4.20-pre2 61.93 64.01 57.31
2.4.20-pre2-oleg 77.32 80.89 74.95
tiobench-0.3.3
Unit information
================
File size = 12288 megabytes
Blk Size = 4096 bytes
Rate = megabytes per second
CPU% = percentage of CPU used during the test
Latency = milliseconds
Lat% = percent of requests that took longer than X seconds
CPU Eff = Rate divided by CPU% - throughput per cpu load
tiobench has a 5-8% improvement instead of ~70% regression on seq read
throughput. Latency numbers are affected too.
Sequential Reads reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 35.11 23.02% 0.331 107.07 0.00000 0.00000 152
2.4.20-pre2 1 34.68 22.83% 0.335 119.57 0.00000 0.00000 152
2.4.20-pre2-oleg 1 34.33 22.14% 0.339 105.78 0.00000 0.00000 155
2.4.20-pre1 32 27.27 20.12% 11.536 258436.68 0.01275 0.01135 136
2.4.20-pre2 32 8.00 6.05% 43.881 7568.44 0.00096 0.00000 132
2.4.20-pre2-oleg 32 28.72 21.72% 11.138 343417.50 0.00893 0.00801 132
2.4.20-pre1 64 26.50 19.63% 21.328 361756.08 0.02183 0.02053 135
2.4.20-pre2 64 8.42 6.46% 79.039 15721.84 0.18813 0.00000 130
2.4.20-pre2-oleg 64 29.98 22.19% 18.659 467771.18 0.01456 0.01335 135
2.4.20-pre1 128 27.72 21.17% 35.485 814716.92 0.02671 0.02549 131
2.4.20-pre2 128 9.30 7.10% 135.056 32520.09 3.92532 0.00035 131
2.4.20-pre2-oleg 128 27.71 21.14% 35.468 828979.66 0.02130 0.02066 131
2.4.20-pre1 256 26.55 19.95% 68.425 825224.03 0.04636 0.04515 133
2.4.20-pre2 256 8.47 6.49% 285.430 62013.50 4.68931 0.11676 131
2.4.20-pre2-oleg 256 28.64 22.36% 61.458 950604.45 0.03516 0.03408 128
Random Reads on reiserfs also improved instead of regressed with mount option.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 0.68 0.84% 17.320 51.54 0.00000 0.00000 81
2.4.20-pre2 1 0.70 0.76% 16.787 53.99 0.00000 0.00000 92
2.4.20-pre2-oleg 1 0.70 0.98% 16.619 43.82 0.00000 0.00000 72
2.4.20-pre1 32 3.09 6.80% 102.783 535.46 0.00000 0.00000 46
2.4.20-pre2 32 1.98 3.84% 147.780 16015.44 0.55000 0.00000 52
2.4.20-pre2-oleg 32 3.39 5.63% 92.170 502.70 0.00000 0.00000 60
2.4.20-pre1 64 3.10 5.99% 178.641 10722.38 0.50403 0.00000 52
2.4.20-pre2 64 2.18 3.70% 229.511 16850.53 2.77218 0.00000 59
2.4.20-pre2-oleg 64 3.48 7.41% 168.446 10493.64 0.22682 0.00000 47
2.4.20-pre1 128 3.35 5.27% 226.876 9018.16 1.91532 0.00000 64
2.4.20-pre2 128 2.31 3.98% 378.511 17932.69 5.77117 0.00000 58
2.4.20-pre2-oleg 128 3.39 5.54% 250.196 10655.95 3.09980 0.00000 61
2.4.20-pre1 256 3.26 6.44% 249.264 5751.33 0.57292 0.00000 51
2.4.20-pre2 256 2.20 5.53% 724.340 19268.40 13.09896 0.00000 40
2.4.20-pre2-oleg 256 3.60 7.93% 230.657 6055.77 0.10417 0.00000 45
Sequential Writes reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 39.31 71.71% 0.282 6301.59 0.00012 0.00000 55
2.4.20-pre2 1 38.28 73.39% 0.290 8058.03 0.00019 0.00000 52
2.4.20-pre2-oleg 1 38.01 70.29% 0.293 6619.27 0.00009 0.00000 54
2.4.20-pre1 32 29.64 119.5% 11.171 16619.06 0.18094 0.00000 25
2.4.20-pre2 32 23.52 103.0% 10.242 17721.55 0.13629 0.00000 23
2.4.20-pre2-oleg 32 29.49 117.0% 11.299 17672.19 0.17456 0.00000 25
2.4.20-pre1 64 29.02 115.6% 22.065 38792.62 0.38675 0.00426 25
2.4.20-pre2 64 20.92 84.06% 19.449 41273.31 0.33824 0.00480 25
2.4.20-pre2-oleg 64 30.07 108.3% 21.271 46079.52 0.35420 0.01504 28
2.4.20-pre1 128 31.52 111.6% 36.264 104743.20 0.40728 0.11428 28
2.4.20-pre2 128 22.31 87.18% 36.251 78916.66 0.46791 0.10154 26
2.4.20-pre2-oleg 128 30.70 109.9% 38.972 110734.31 0.46263 0.11740 28
2.4.20-pre1 256 28.95 132.7% 75.959 163159.61 0.79301 0.24067 22
2.4.20-pre2 256 20.08 93.50% 74.113 114883.50 0.83399 0.23864 21
2.4.20-pre2-oleg 256 29.69 125.8% 75.775 177649.14 0.73569 0.24844 24
Random Writes reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 3.57 3.80% 0.091 0.57 0.00000 0.00000 94
2.4.20-pre2 1 3.63 3.79% 0.089 0.68 0.00000 0.00000 96
2.4.20-pre2-oleg 1 3.62 3.78% 0.091 0.73 0.00000 0.00000 96
2.4.20-pre1 32 3.52 9.15% 0.654 268.43 0.00000 0.00000 38
2.4.20-pre2 32 3.57 8.15% 0.377 258.42 0.00000 0.00000 44
2.4.20-pre2-oleg 32 3.66 9.44% 0.268 73.53 0.00000 0.00000 39
2.4.20-pre1 64 3.68 9.50% 0.567 196.77 0.00000 0.00000 39
2.4.20-pre2 64 3.78 9.76% 0.450 319.24 0.00000 0.00000 39
2.4.20-pre2-oleg 64 3.85 9.36% 0.446 258.01 0.00000 0.00000 41
2.4.20-pre1 128 3.48 8.38% 2.923 626.60 0.00000 0.00000 42
2.4.20-pre2 128 3.54 8.98% 0.669 735.87 0.00000 0.00000 39
2.4.20-pre2-oleg 128 3.48 9.20% 0.794 742.98 0.00000 0.00000 38
2.4.20-pre1 256 3.45 9.11% 3.416 572.87 0.00000 0.00000 38
2.4.20-pre2 256 3.59 10.12% 1.350 824.15 0.00000 0.00000 35
2.4.20-pre2-oleg 256 3.58 9.06% 1.938 841.72 0.00000 0.00000 39
More details at:
http://home.earthlink.net/~rwhron/kernel/bigbox.html
--
Randy Hron
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [reiserfs-list] big reiserfs regression in 2.4.20-pre2
@ 2002-08-17 10:05 ` rwhron
0 siblings, 0 replies; 8+ messages in thread
From: rwhron @ 2002-08-17 10:05 UTC (permalink / raw)
To: green; +Cc: reiserfs-list, linux-kernel
Oleg Drokin <green @ namesys . com> wrote:
> Is regression going away if you pass this mount option to reiserfs:
> -o alloc=preallocmin=4:preallocsize=9
Yes.
On a quad xeon with 3.75 gb ram there is a regression on reiserfs
in dbench and tiobench with many threads between 2.4.20-pre1 and 2.4.20-pre2.
With alloc=preallocmin=4:preallocsize=9 mount option, throughput in pre2
is improved over pre1.
16% improvement instead of 23% regression at 192 processes
dbench reiserfs 192 processes Average High Low
2.4.20-pre1 55.94 58.17 54.26
2.4.20-pre2 42.98 44.73 42.30
2.4.20-pre2-oleg 64.95 66.72 63.36
9% improvement instead of 13% regression at 64 processes.
dbench reiserfs 64 processes Average High Low
2.4.20-pre1 70.98 72.53 69.47
2.4.20-pre2 61.93 64.01 57.31
2.4.20-pre2-oleg 77.32 80.89 74.95
tiobench-0.3.3
Unit information
================
File size = 12288 megabytes
Blk Size = 4096 bytes
Rate = megabytes per second
CPU% = percentage of CPU used during the test
Latency = milliseconds
Lat% = percent of requests that took longer than X seconds
CPU Eff = Rate divided by CPU% - throughput per cpu load
tiobench has a 5-8% improvement instead of ~70% regression on seq read
throughput. Latency numbers are affected too.
Sequential Reads reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 35.11 23.02% 0.331 107.07 0.00000 0.00000 152
2.4.20-pre2 1 34.68 22.83% 0.335 119.57 0.00000 0.00000 152
2.4.20-pre2-oleg 1 34.33 22.14% 0.339 105.78 0.00000 0.00000 155
2.4.20-pre1 32 27.27 20.12% 11.536 258436.68 0.01275 0.01135 136
2.4.20-pre2 32 8.00 6.05% 43.881 7568.44 0.00096 0.00000 132
2.4.20-pre2-oleg 32 28.72 21.72% 11.138 343417.50 0.00893 0.00801 132
2.4.20-pre1 64 26.50 19.63% 21.328 361756.08 0.02183 0.02053 135
2.4.20-pre2 64 8.42 6.46% 79.039 15721.84 0.18813 0.00000 130
2.4.20-pre2-oleg 64 29.98 22.19% 18.659 467771.18 0.01456 0.01335 135
2.4.20-pre1 128 27.72 21.17% 35.485 814716.92 0.02671 0.02549 131
2.4.20-pre2 128 9.30 7.10% 135.056 32520.09 3.92532 0.00035 131
2.4.20-pre2-oleg 128 27.71 21.14% 35.468 828979.66 0.02130 0.02066 131
2.4.20-pre1 256 26.55 19.95% 68.425 825224.03 0.04636 0.04515 133
2.4.20-pre2 256 8.47 6.49% 285.430 62013.50 4.68931 0.11676 131
2.4.20-pre2-oleg 256 28.64 22.36% 61.458 950604.45 0.03516 0.03408 128
Random Reads on reiserfs also improved instead of regressed with mount option.
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 0.68 0.84% 17.320 51.54 0.00000 0.00000 81
2.4.20-pre2 1 0.70 0.76% 16.787 53.99 0.00000 0.00000 92
2.4.20-pre2-oleg 1 0.70 0.98% 16.619 43.82 0.00000 0.00000 72
2.4.20-pre1 32 3.09 6.80% 102.783 535.46 0.00000 0.00000 46
2.4.20-pre2 32 1.98 3.84% 147.780 16015.44 0.55000 0.00000 52
2.4.20-pre2-oleg 32 3.39 5.63% 92.170 502.70 0.00000 0.00000 60
2.4.20-pre1 64 3.10 5.99% 178.641 10722.38 0.50403 0.00000 52
2.4.20-pre2 64 2.18 3.70% 229.511 16850.53 2.77218 0.00000 59
2.4.20-pre2-oleg 64 3.48 7.41% 168.446 10493.64 0.22682 0.00000 47
2.4.20-pre1 128 3.35 5.27% 226.876 9018.16 1.91532 0.00000 64
2.4.20-pre2 128 2.31 3.98% 378.511 17932.69 5.77117 0.00000 58
2.4.20-pre2-oleg 128 3.39 5.54% 250.196 10655.95 3.09980 0.00000 61
2.4.20-pre1 256 3.26 6.44% 249.264 5751.33 0.57292 0.00000 51
2.4.20-pre2 256 2.20 5.53% 724.340 19268.40 13.09896 0.00000 40
2.4.20-pre2-oleg 256 3.60 7.93% 230.657 6055.77 0.10417 0.00000 45
Sequential Writes reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 39.31 71.71% 0.282 6301.59 0.00012 0.00000 55
2.4.20-pre2 1 38.28 73.39% 0.290 8058.03 0.00019 0.00000 52
2.4.20-pre2-oleg 1 38.01 70.29% 0.293 6619.27 0.00009 0.00000 54
2.4.20-pre1 32 29.64 119.5% 11.171 16619.06 0.18094 0.00000 25
2.4.20-pre2 32 23.52 103.0% 10.242 17721.55 0.13629 0.00000 23
2.4.20-pre2-oleg 32 29.49 117.0% 11.299 17672.19 0.17456 0.00000 25
2.4.20-pre1 64 29.02 115.6% 22.065 38792.62 0.38675 0.00426 25
2.4.20-pre2 64 20.92 84.06% 19.449 41273.31 0.33824 0.00480 25
2.4.20-pre2-oleg 64 30.07 108.3% 21.271 46079.52 0.35420 0.01504 28
2.4.20-pre1 128 31.52 111.6% 36.264 104743.20 0.40728 0.11428 28
2.4.20-pre2 128 22.31 87.18% 36.251 78916.66 0.46791 0.10154 26
2.4.20-pre2-oleg 128 30.70 109.9% 38.972 110734.31 0.46263 0.11740 28
2.4.20-pre1 256 28.95 132.7% 75.959 163159.61 0.79301 0.24067 22
2.4.20-pre2 256 20.08 93.50% 74.113 114883.50 0.83399 0.23864 21
2.4.20-pre2-oleg 256 29.69 125.8% 75.775 177649.14 0.73569 0.24844 24
Random Writes reiserfs
Num Avg Maximum Lat% Lat% CPU
Kernel Thr Rate (CPU%) Latency Latency >2s >10s Eff
------------------ --- ----------------------------------------------------------
2.4.20-pre1 1 3.57 3.80% 0.091 0.57 0.00000 0.00000 94
2.4.20-pre2 1 3.63 3.79% 0.089 0.68 0.00000 0.00000 96
2.4.20-pre2-oleg 1 3.62 3.78% 0.091 0.73 0.00000 0.00000 96
2.4.20-pre1 32 3.52 9.15% 0.654 268.43 0.00000 0.00000 38
2.4.20-pre2 32 3.57 8.15% 0.377 258.42 0.00000 0.00000 44
2.4.20-pre2-oleg 32 3.66 9.44% 0.268 73.53 0.00000 0.00000 39
2.4.20-pre1 64 3.68 9.50% 0.567 196.77 0.00000 0.00000 39
2.4.20-pre2 64 3.78 9.76% 0.450 319.24 0.00000 0.00000 39
2.4.20-pre2-oleg 64 3.85 9.36% 0.446 258.01 0.00000 0.00000 41
2.4.20-pre1 128 3.48 8.38% 2.923 626.60 0.00000 0.00000 42
2.4.20-pre2 128 3.54 8.98% 0.669 735.87 0.00000 0.00000 39
2.4.20-pre2-oleg 128 3.48 9.20% 0.794 742.98 0.00000 0.00000 38
2.4.20-pre1 256 3.45 9.11% 3.416 572.87 0.00000 0.00000 38
2.4.20-pre2 256 3.59 10.12% 1.350 824.15 0.00000 0.00000 35
2.4.20-pre2-oleg 256 3.58 9.06% 1.938 841.72 0.00000 0.00000 39
More details at:
http://home.earthlink.net/~rwhron/kernel/bigbox.html
--
Randy Hron
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: big reiserfs regression in 2.4.20-pre2
2002-08-17 10:05 ` [reiserfs-list] " rwhron
@ 2002-08-19 5:17 ` Oleg Drokin
-1 siblings, 0 replies; 8+ messages in thread
From: Oleg Drokin @ 2002-08-19 5:17 UTC (permalink / raw)
To: rwhron; +Cc: reiserfs-list, linux-kernel
Hello!
On Sat, Aug 17, 2002 at 06:05:07AM -0400, rwhron@earthlink.net wrote:
> > Is regression going away if you pass this mount option to reiserfs:
> > -o alloc=preallocmin=4:preallocsize=9
> Yes.
Great, I just found that we forgot to enable preallocation with new block
allocator by default. This is easily fixable of course.
Thanks for the info.
Bye,
Oleg
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [reiserfs-list] big reiserfs regression in 2.4.20-pre2
@ 2002-08-19 5:17 ` Oleg Drokin
0 siblings, 0 replies; 8+ messages in thread
From: Oleg Drokin @ 2002-08-19 5:17 UTC (permalink / raw)
To: rwhron; +Cc: reiserfs-list, linux-kernel
Hello!
On Sat, Aug 17, 2002 at 06:05:07AM -0400, rwhron@earthlink.net wrote:
> > Is regression going away if you pass this mount option to reiserfs:
> > -o alloc=preallocmin=4:preallocsize=9
> Yes.
Great, I just found that we forgot to enable preallocation with new block
allocator by default. This is easily fixable of course.
Thanks for the info.
Bye,
Oleg
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: big reiserfs regression in 2.4.20-pre2
2002-08-17 10:05 ` [reiserfs-list] " rwhron
(?)
(?)
@ 2002-08-20 23:31 ` Oleg Drokin
-1 siblings, 0 replies; 8+ messages in thread
From: Oleg Drokin @ 2002-08-20 23:31 UTC (permalink / raw)
To: rwhron; +Cc: reiserfs-list, linux-kernel
Hello!
On Sat, Aug 17, 2002 at 06:05:07AM -0400, rwhron@earthlink.net wrote:
> > Is regression going away if you pass this mount option to reiserfs:
> > -o alloc=preallocmin=4:preallocsize=9
> Yes.
Great, I just found that we forgot to enable preallocation with new block
allocator by default. This is easily fixable of course.
Thanks for the info.
Bye,
Oleg
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: big reiserfs regression in 2.4.20-pre2
@ 2002-08-21 3:26 rwhron
2002-08-21 4:50 ` Oleg Drokin
0 siblings, 1 reply; 8+ messages in thread
From: rwhron @ 2002-08-21 3:26 UTC (permalink / raw)
To: green; +Cc: reiserfs-list
>>> Is regression going away if you pass this mount option to reiserfs:
>>> -o alloc=preallocmin=4:preallocsize=9
>> Yes.
> Great, I just found that we forgot to enable preallocation with new block
> allocator by default. This is easily fixable of course.
Is that in the 2.5.patch:
http://marc.theaimsgroup.com/?l=linux-kernel&m=102984193227185&w=2
Or will it be different for 2.4?
--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: big reiserfs regression in 2.4.20-pre2
2002-08-21 3:26 rwhron
@ 2002-08-21 4:50 ` Oleg Drokin
0 siblings, 0 replies; 8+ messages in thread
From: Oleg Drokin @ 2002-08-21 4:50 UTC (permalink / raw)
To: rwhron; +Cc: reiserfs-list
Hello!
On Tue, Aug 20, 2002 at 11:26:32PM -0400, rwhron@earthlink.net wrote:
> > Great, I just found that we forgot to enable preallocation with new block
> > allocator by default. This is easily fixable of course.
> Is that in the 2.5.patch:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=102984193227185&w=2
Yes, I included it into 2.5 patch, since I see no reason to supply buggy
patch and then several bugfixes.
Bye,
Oleg
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2002-08-21 4:50 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2002-08-17 10:05 big reiserfs regression in 2.4.20-pre2 rwhron
2002-08-17 10:05 ` [reiserfs-list] " rwhron
2002-08-19 5:17 ` Oleg Drokin
2002-08-19 5:17 ` [reiserfs-list] " Oleg Drokin
2002-08-20 23:31 ` Oleg Drokin
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2002-08-21 3:26 rwhron
2002-08-21 4:50 ` Oleg Drokin
2002-08-16 3:08 rwhron
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