David Chen holys
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| // +build leveldb hyperleveldb | |
| package main | |
| // #cgo leveldb CFLAGS: -DLEVELDB=1 | |
| // #cgo hyperleveldb CFLAGS: -DHYPERLEVELDB=1 | |
| // #include <stdio.h> | |
| // void pp() { | |
| // #ifdef LEVELDB | |
| // printf("hello leveldb \n"); |
holys
/ map_func.go
Created
August 15, 2014 03:25
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| package main | |
| import "fmt" | |
| func f(p string) { | |
| fmt.Println("function f parameter:", p) | |
| } | |
| func g(p string, q int) { | |
| fmt.Println("function g parameters:", p, q) |
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| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "github.com/siddontang/ledisdb/client/go/ledis" | |
| "math/rand" | |
| "sync" | |
| "time" | |
| ) |
holys
/ byte_string.go
Created
August 28, 2014 03:15
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| package main | |
| import "fmt" | |
| import "math/rand" | |
| import "time" | |
| import "bytes" | |
| func main() { | |
| rand.Seed(time.Now().Unix()) | |
| fmt.Println(rand.Int()) |
holys
/ latency.txt
Created
August 28, 2014 07:13
— forked from jboner/latency.txt
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| Latency Comparison Numbers | |
| -------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns | |
| Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms | |
| Read 4K randomly from SSD* 150,000 ns 0.15 ms |
holys
/ io_level.txt
Created
August 29, 2014 06:23
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| disk0 disk1 | |
| KB/t tps MB/s KB/t tps MB/s | |
| 31.33 33 1.01 157.69 11 1.62 | |
| 14.02 13 0.18 175.46 17 2.91 | |
| 0.00 0 0.00 768.00 1 0.60 | |
| 15.82 24 0.37 910.22 2 1.60 | |
| 13.71 1 0.02 819.20 2 1.60 | |
| 4.00 0 0.00 831.72 9 6.98 | |
| 55.10 8 0.43 910.22 2 1.60 | |
| 18.89 46 0.84 169.22 21 3.40 |
holys
/ report_level.txt
Created
August 29, 2014 06:39
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| ##########leveldb############ | |
| 1000w | |
| zadd: 15115.15 requests per second; consumed 661.587707 seconds | |
| set: 26421.16 requests per second; consumed 378.484582 seconds | |
| %CPU %MEM | |
| 198.5 3.2 | |
| disk0 disk1 cpu load average | |
| KB/t tps MB/s KB/t tps MB/s us sy id 1m 5m 15m | |
| 158.20 106 16.31 175.10 21 3.54 31 37 32 9.45 8.45 7.09 |
holys
/ cpumem_level.txt
Created
August 29, 2014 07:22
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| ledis-server -config=leveldb.conf | |
| 2014/08/29 10:29:35 | |
| %CPU %MEM | |
| 99.6 14.9 | |
| ledis-server -config=leveldb.conf | |
| 2014/08/29 10:29:38 | |
| %CPU %MEM | |
| 147.1 15.5 |
holys
/ report_rocksdb.txt
Created
August 30, 2014 02:06
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| ##########rocksdb############ | |
| 1000w | |
| zadd: 13724.23 requests per second; consumed 728.638582 seconds | |
| set: 24813.78 requests per second; consumed 403.001838 seconds | |
| %CPU %MEM | |
| 195.7 8.2 | |
| disk0 disk1 cpu load average | |
| KB/t tps MB/s KB/t tps MB/s us sy id 1m 5m 15m | |
| 30.16 24 0.70 275.70 24 6.51 21 28 52 5.63 6.57 5.47 |
holys
/ io_rocksdb.txt
Created
August 30, 2014 02:07
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| disk0 disk1 | |
| KB/t tps MB/s KB/t tps MB/s | |
| 50.80 291 14.44 45.57 13 0.59 | |
| 235.90 309 71.18 0.00 0 0.00 | |
| 36.24 186 6.57 0.00 0 0.00 | |
| 57.00 157 8.74 0.00 0 0.00 | |
| 34.51 157 5.31 0.00 0 0.00 | |
| 54.52 161 8.57 0.00 0 0.00 | |
| 29.61 221 6.38 0.00 0 0.00 | |
| 21.08 275 5.67 8.00 0 0.00 |