{"id":34373,"date":"2023-04-05T15:15:33","date_gmt":"2023-10-06T21:11:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%af%94%e8%be%83go%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84memcache%e5%8c%85%e3%80%82\/"},"modified":"2024-01-15T08:15:28","modified_gmt":"2024-01-15T00:15:28","slug":"%e6%af%94%e8%be%83go%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84memcache%e5%8c%85%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%af%94%e8%be%83go%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84memcache%e5%8c%85%e3%80%82\/","title":{"rendered":"\u6bd4\u8f83Go\u8bed\u8a00\u4e2d\u7684Memcache\u5305"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u4f7f\u7528Go\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u901a\u5e38\u90fd\u53ef\u4ee5\u5728\u539f\u6837\u8fd0\u884c\u7684\u60c5\u51b5\u4e0b\u5177\u5907\u8db3\u591f\u7684\u9ad8\u901f\u6027\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u52a0\u901f\u8fd0\u884c\u3002<\/p>\n

Go \u4e2d\u5b58\u5728\u4e00\u4e2a\u5f3a\u5927\u7684\u672c\u5730\u7f13\u5b58\u5305\u53eb\u505a gocache\uff0c\u4f46\u662f\u4f7f\u7528 gocache \u6709\u65f6\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u95ee\u9898\uff1a
\n* \u65e0\u6cd5\u5728\u4e3b\u673a\u3001\u7a0b\u5e8f\u6216\u670d\u52a1\u4e4b\u95f4\u5171\u4eab\u7f13\u5b58
\n* \u7a0b\u5e8f\u7ed3\u675f\u540e\u7f13\u5b58\u4f1a\u88ab\u6e05\u7a7a<\/p>\n

\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u901a\u5e38\u6211\u4eec\u4f1a\u4f7f\u7528gocache\u6765\u5728\u672c\u5730\u7f13\u5b58\u4e2d\u4fdd\u5b58\u53ef\u5904\u7406\u7684\u7f13\u5b58\uff0c\u800c\u5176\u4ed6\u7f13\u5b58\u5219\u4f1a\u4f7f\u7528memcache\u6216redis\u7b49\u6765\u5b58\u50a8\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u6bd4\u8f83\u4e00\u4e0bmemcache\u5305\u3002<\/p>\n

Go\u7684memcache\u5305<\/h1>\n

\u9996\u5148\uff0c\u6211\u5728GitHub\u4e0a\u641c\u7d22\u4e86\u4e0eGo\u7684memcache\u5305\u6709\u5173\u7684\u5b58\u50a8\u5e93\u3002\u7ed3\u679c\u53d1\u73b0\uff0cbradfitz\/gomemcache\u83b7\u5f97\u4e86\u6700\u591a\u7684\u661f\u6807\uff0c\u6240\u4ee5\u6211\u4eec\u6765\u8bd5\u8bd5\u8fd9\u4e2a\u3002 \uff08\u4ee5\u4e0b\u5747\u4e3aGo 1.5.1\u3002\uff09<\/p>\n

\u5bfc\u5165\u5305<\/p>\n

$ go get github.com\/bradfitz\/gomemcache\/memcache<\/p>\n

\u6267\u884c\u793a\u4f8b<\/p>\n

\r\nimport<\/span> (<\/span>\r\n        \"github.com\/bradfitz\/gomemcache\/memcache\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n     mc<\/span> :=<\/span> memcache<\/span>.<\/span>New<\/span>(<\/span>\"10.0.0.1:11211\"<\/span>,<\/span> \"10.0.0.2:11211\"<\/span>,<\/span> \"10.0.0.3:11212\"<\/span>)<\/span>\r\n     mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span> \"foo\"<\/span>,<\/span> Value<\/span>:<\/span> []<\/span>byte<\/span>(<\/span>\"my value\"<\/span>)})<\/span>\r\n\r\n     it<\/span>,<\/span> err<\/span> :=<\/span> mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n     ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u975e\u5e38\u7b80\u5355\u6613\u61c2\u3002<\/p>\n
\u65e2\u7136\u5982\u6b64\uff0c\u6211\u4eec\u6765\u7f16\u5199\u5e76\u6d4b\u91cf\u4e00\u4e0b\u8fd9\u4e2a\u5305\u7684\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\uff0c\u987a\u4fbf\u770b\u770b\u5b83\u7684\u8868\u73b0\u5982\u4f55\u3002
\n\u8fd9\u4e5f\u662fGo\u7684\u4e00\u4e2a\u4f18\u52bf\uff0c\u80fd\u591f\u8f7b\u677e\u8fdb\u884c\u6b64\u7c7b\u57fa\u51c6\u6d4b\u8bd5\u3002<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span>(<\/span>\r\n    \"testing\"<\/span>\r\n    \"github.com\/bradfitz\/gomemcache\/memcache\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> BenchmarkMemLib<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n    b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n    b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n    mc<\/span> :=<\/span> memcache<\/span>.<\/span>New<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n        mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span>\"foo\"<\/span>,<\/span> Value<\/span>:<\/span>[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>)})<\/span>\r\n        mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u8fd0\u884c\u57fa\u51c6\u6d4b\u8bd5\u3002<\/p>\n
$ go test mem_test.go -bench=Bench\r\ntesting: warning: no tests to run\r\nPASS\r\nBenchmarkMemLib    20000             62516 ns\/op            3169 B\/op         60 allocs\/op\r\nok      command-line-arguments  1.881s\r\n<\/code><\/pre>\n
\u5c3d\u7ba1\u8fd9\u4e2a\u7b80\u5355\u7684\u8bbe\u7f6e\u548c\u83b7\u53d6\u57fa\u51c6\u6d4b\u8bd5\uff0c\u770b\u8d77\u6765\u6709\u5f88\u591a\u7684\u5206\u914d\u2026\u2026<\/p>\n
\u4e0e\u5176\u4ed6\u5305\u88c5\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6700\u591a\u661f\u661f\u7684\u662frainycape\/memcache\u3002README\u4e2d\u8fd8\u5199\u7740\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u901f\u5ea6\u800cfork\u4e86bradfitz\/gomemcache\uff0c\u6240\u4ee5\u53ef\u4ee5\u671f\u5f85\u4e00\u4e0b\u3002<\/p>\n
\u6211\u5c06\u5bfc\u5165\u8f6f\u4ef6\u5305\u3002<\/p>\n
$ go get github.com\/rainycape\/memcache\r\n<\/code><\/pre>\n
\u8fd0\u884c\u793a\u4f8b<\/p>\n
import<\/span> (<\/span>\r\n        \"github.com\/rainycape\/memcache\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n     mc<\/span>,<\/span> _<\/span> :=<\/span> memcache<\/span>.<\/span>New<\/span>(<\/span>\"10.0.0.1:11211\"<\/span>,<\/span> \"10.0.0.2:11211\"<\/span>,<\/span> \"10.0.0.3:11212\"<\/span>)<\/span>\r\n     mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span> \"foo\"<\/span>,<\/span> Value<\/span>:<\/span> []<\/span>byte<\/span>(<\/span>\"my value\"<\/span>)})<\/span>\r\n\r\n     it<\/span>,<\/span> err<\/span> :=<\/span> mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n     ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e0ebradfitz\/gomemcache\u51e0\u4e4e\u76f8\u540c\uff0c\u4f46\u662f\u8fd9\u91cc\u7684New()\u8fd4\u56de\u7684\u662f\u591a\u4e2a\u503c\uff08memcache\u670d\u52a1\u5668\u90fd\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\uff09\u3002<\/p>\n
\u8ba9\u6211\u4eec\u5c06\u6b64\u9879\u4e5f\u6dfb\u52a0\u5230\u5148\u524d\u7684\u57fa\u51c6\u6d4b\u8bd5\u4e2d\u8fdb\u884c\u6d4b\u91cf\u3002<\/p>\n
BenchmarkMemLib2\u662f\u4e00\u4e2a\u9644\u52a0\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u3002<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span>(<\/span>\r\n    \"testing\"<\/span>\r\n    \"github.com\/bradfitz\/gomemcache\/memcache\"<\/span>\r\n    memcache2<\/span> \"github.com\/rainycape\/memcache\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> BenchmarkMemLib<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n    b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n    b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n    mc<\/span> :=<\/span> memcache<\/span>.<\/span>New<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n        mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span>\"foo\"<\/span>,<\/span> Value<\/span>:<\/span>[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>)})<\/span>\r\n        mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> BenchmarkMemLib2<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n    b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n    b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n    mc<\/span>,<\/span>_<\/span> :=<\/span> memcache2<\/span>.<\/span>New<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n        mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache2<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span>\"foo\"<\/span>,<\/span> Value<\/span>:<\/span>[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>)})<\/span>\r\n        mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
$ go test mem_test.go -bench=Bench\r\ntesting: warning: no tests to run\r\nPASS\r\nBenchmarkMemLib            20000             63543 ns\/op            3169 B\/op         60 allocs\/op\r\nBenchmarkMemLib2           20000             64594 ns\/op             208 B\/op          7 allocs\/op\r\nok      command-line-arguments  3.854s\r\n<\/code><\/pre>\n
\u55ef\uff0c\u5206\u914d\u65b9\u5f0f\u6709\u5f88\u5927\u7684\u6539\u53d8\uff0c\u4f46\u5904\u7406\u901f\u5ea6\u7a0d\u5fae\u53d8\u6162\u4e86\u3002
\n\u9664\u4e86\u8bbf\u95eememcache\u670d\u52a1\u5668\u5916\uff0c\u53ef\u80fd\u662f\u5176\u4ed6\u5904\u7406\u8fc7\u7a0b\u589e\u52a0\u4e86\u8d1f\u8f7d\u3002<\/p>\n
\u81ea\u5df1\u521b\u4f5c<\/h1>\n
\u8003\u8651\u5230\u8fd9\u4e00\u70b9\uff0c\u6211\u51b3\u5b9a\u4eb2\u81ea\u5c1d\u8bd5\u5199\u4e00\u4e0b\uff08\u5728\u5904\u7406Memcache\u65b9\u9762\uff0cvites\u7684\u6e90\u4ee3\u7801\u975e\u5e38\u6709\u53c2\u8003\u4ef7\u503c\uff09\u3002<\/p>\n
package<\/span> main<\/span>\r\nimport<\/span> (<\/span>\r\n    \"bufio\"<\/span>\r\n    \"fmt\"<\/span>\r\n    \"net\"<\/span>\r\n    \"strings\"<\/span>\r\n    \"strconv\"<\/span>\r\n)<\/span>\r\n\r\ntype<\/span> Memcache<\/span> struct<\/span> {<\/span>\r\n    conn<\/span>     net<\/span>.<\/span>Conn<\/span>\r\n    buffered<\/span> bufio<\/span>.<\/span>ReadWriter<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> Mem<\/span>(<\/span>addr<\/span> string<\/span>)<\/span> (<\/span>conn<\/span> *<\/span>Memcache<\/span>,<\/span> err<\/span> error<\/span>)<\/span> {<\/span>\r\n    nc<\/span>,<\/span> err<\/span> :=<\/span> net<\/span>.<\/span>Dial<\/span>(<\/span>\"tcp\"<\/span>,<\/span> addr<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> nil<\/span>,<\/span> err<\/span>\r\n    }<\/span>\r\n    return<\/span> &<\/span>Memcache<\/span>{<\/span>\r\n        conn<\/span>:<\/span> nc<\/span>,<\/span>\r\n        buffered<\/span>:<\/span> bufio<\/span>.<\/span>ReadWriter<\/span>{<\/span>\r\n            Reader<\/span>:<\/span> bufio<\/span>.<\/span>NewReader<\/span>(<\/span>nc<\/span>),<\/span>\r\n            Writer<\/span>:<\/span> bufio<\/span>.<\/span>NewWriter<\/span>(<\/span>nc<\/span>),<\/span>\r\n        },<\/span>\r\n    },<\/span> err<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>mc<\/span> *<\/span>Memcache<\/span>)<\/span> get<\/span>(<\/span>key<\/span> string<\/span>)<\/span> (<\/span>result<\/span> []<\/span>byte<\/span>,<\/span> err<\/span> error<\/span>)<\/span> {<\/span>\r\n    _<\/span>,<\/span> err<\/span> =<\/span> mc<\/span>.<\/span>buffered<\/span>.<\/span>WriteString<\/span>(<\/span>\"get \"<\/span>+<\/span>key<\/span>+<\/span>\"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n        err<\/span> =<\/span> mc<\/span>.<\/span>buffered<\/span>.<\/span>Flush<\/span>()<\/span>\r\n        if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n            for<\/span> {<\/span>\r\n                b<\/span>,<\/span>_<\/span>,<\/span>err<\/span> :=<\/span>  mc<\/span>.<\/span>buffered<\/span>.<\/span>ReadLine<\/span>()<\/span>\r\n                l<\/span> :=<\/span> string<\/span>(<\/span>b<\/span>)<\/span>\r\n                if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n                    if<\/span> strings<\/span>.<\/span>HasPrefix<\/span>(<\/span>l<\/span>,<\/span> \"END\"<\/span>)<\/span> {<\/span>\r\n                        break<\/span>\r\n                    }<\/span>\r\n                    if<\/span> strings<\/span>.<\/span>Contains<\/span>(<\/span>l<\/span>,<\/span> \"ERROR\"<\/span>)<\/span> {<\/span>\r\n                        panic<\/span>(<\/span>\"ERROR\"<\/span>)<\/span>\r\n                    }<\/span>\r\n                    if<\/span> !<\/span>strings<\/span>.<\/span>HasPrefix<\/span>(<\/span>l<\/span>,<\/span> \"VALUE\"<\/span>)<\/span> {<\/span>\r\n                        result<\/span> =<\/span> append<\/span>(<\/span>result<\/span>,<\/span> l<\/span>...<\/span>)<\/span>\r\n                        result<\/span> =<\/span> append<\/span>(<\/span>result<\/span>,<\/span> '\\n'<\/span>)<\/span>\r\n                    }<\/span>\r\n                }<\/span> else<\/span> {<\/span>\r\n                    panic<\/span>(<\/span>err<\/span>)<\/span>\r\n                }<\/span>\r\n            }<\/span>\r\n        }<\/span> else<\/span> {<\/span>\r\n            panic<\/span>(<\/span>err<\/span>)<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    return<\/span> result<\/span>,<\/span> err<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>mc<\/span> *<\/span>Memcache<\/span>)<\/span> set<\/span>(<\/span>key<\/span> string<\/span>,<\/span> value<\/span> []<\/span>byte<\/span>)<\/span> (<\/span>err<\/span> error<\/span>)<\/span> {<\/span>\r\n    _<\/span>,<\/span> err<\/span> =<\/span> mc<\/span>.<\/span>buffered<\/span>.<\/span>WriteString<\/span>(<\/span>\"set \"<\/span>+<\/span>key<\/span>+<\/span>\" 0 0 \"<\/span>+<\/span>strconv<\/span>.<\/span>Itoa<\/span>(<\/span>len<\/span>(<\/span>value<\/span>))<\/span>+<\/span>\"<\/span>\\r\\n<\/span>\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n        v<\/span> :=<\/span> append<\/span>(<\/span>value<\/span>,<\/span>\"<\/span>\\r\\n<\/span>\"<\/span>...<\/span>)<\/span>\r\n        _<\/span>,<\/span> err<\/span> =<\/span> mc<\/span>.<\/span>buffered<\/span>.<\/span>Write<\/span>(<\/span>v<\/span>)<\/span>\r\n        if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            panic<\/span>(<\/span>err<\/span>)<\/span>\r\n        }<\/span>\r\n        err<\/span> =<\/span> mc<\/span>.<\/span>buffered<\/span>.<\/span>Flush<\/span>()<\/span>\r\n        if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n            mc<\/span>.<\/span>buffered<\/span>.<\/span>ReadLine<\/span>()<\/span>\r\n\r\n        }<\/span>\r\n    }<\/span>\r\n    return<\/span> err<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    m<\/span>,<\/span> err<\/span> :=<\/span> Mem<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n        err<\/span> =<\/span> m<\/span>.<\/span>set<\/span>(<\/span>\"foo\"<\/span>,[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>))<\/span>\r\n        if<\/span> err<\/span> ==<\/span> nil<\/span> {<\/span>\r\n            res<\/span>,<\/span>merr<\/span> :=<\/span> m<\/span>.<\/span>get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n            if<\/span> merr<\/span> ==<\/span> nil<\/span> {<\/span>\r\n                fmt<\/span>.<\/span>Printf<\/span>(<\/span>\"%s\"<\/span>,<\/span> res<\/span>)<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    defer<\/span> m<\/span>.<\/span>conn<\/span>.<\/span>Close<\/span>()<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\u3002
\nBenchmarkMemOrigin\u662f\u6211\u81ea\u5df1\u7f16\u5199\u7684Memcache\u8fde\u63a5\u7a0b\u5e8f\u7684\u7ed3\u679c\u3002<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span>(<\/span>\r\n    \"testing\"<\/span>\r\n    \"github.com\/bradfitz\/gomemcache\/memcache\"<\/span>\r\n    memcache2<\/span> \"github.com\/rainycape\/memcache\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> BenchmarkMemLib<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n    b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n    b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n    mc<\/span> :=<\/span> memcache<\/span>.<\/span>New<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n        mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span>\"foo\"<\/span>,<\/span> Value<\/span>:<\/span>[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>)})<\/span>\r\n        mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> BenchmarkMemLib2<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n    b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n    b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n    mc<\/span>,<\/span>_<\/span> :=<\/span> memcache2<\/span>.<\/span>New<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n    for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n        mc<\/span>.<\/span>Set<\/span>(<\/span>&<\/span>memcache2<\/span>.<\/span>Item<\/span>{<\/span>Key<\/span>:<\/span>\"foo\"<\/span>,<\/span> Value<\/span>:<\/span>[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>)})<\/span>\r\n        mc<\/span>.<\/span>Get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> BenchmarkMemOrigin<\/span>(<\/span>b<\/span> *<\/span>testing<\/span>.<\/span>B<\/span>){<\/span>\r\n        b<\/span>.<\/span>ReportAllocs<\/span>()<\/span>\r\n        b<\/span>.<\/span>ResetTimer<\/span>()<\/span>\r\n        m<\/span>,<\/span> _<\/span> :=<\/span> Mem<\/span>(<\/span>\"127.0.0.1:11211\"<\/span>)<\/span>\r\n        defer<\/span> m<\/span>.<\/span>conn<\/span>.<\/span>Close<\/span>()<\/span>\r\n        for<\/span> i<\/span>:=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> b<\/span>.<\/span>N<\/span>;<\/span> i<\/span>++<\/span>{<\/span>\r\n                m<\/span>.<\/span>set<\/span>(<\/span>\"foo\"<\/span>,[]<\/span>byte<\/span>(<\/span>\"unko\"<\/span>))<\/span>\r\n                m<\/span>.<\/span>get<\/span>(<\/span>\"foo\"<\/span>)<\/span>\r\n        }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd0\u884c\u7ed3\u679c<\/p>\n
$ go test mem.go mem_test.go -bench=Bench\r\ntesting: warning: no tests to run\r\nPASS\r\nBenchmarkMemLib            20000             62850 ns\/op            3169 B\/op         60 allocs\/op\r\nBenchmarkMemLib2           20000             64663 ns\/op             208 B\/op          7 allocs\/op\r\nBenchmarkMemOrigin         50000             33910 ns\/op              96 B\/op          6 allocs\/op\r\nok      command-line-arguments  5.879s\r\n<\/code><\/pre>\n
\u5904\u7406\u901f\u5ea6\u5927\u7ea6\u51cf\u6162\u4e86\u4e00\u534a\u5de6\u53f3\u3002<\/p>\n
\u6211\u8ba4\u4e3a\u4e0d\u4e00\u5b9a\u5fc5\u987b\u81ea\u5df1\u5236\u4f5c\uff0c\u56e0\u4e3a\u5305\u542b\u4e86\u9519\u8bef\u5904\u7406\u548c\u7c7b\u578b\u8f6c\u6362\u7b49\u5b89\u5168\u63aa\u65bd\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u4f7f\u7528\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u50cfmemcache\u7684Set\u548cGet\u8fd9\u6837\u7684\u5904\u7406\uff0c\u81ea\u5df1\u5236\u4f5c\u53ef\u80fd\u5728\u6027\u80fd\u65b9\u9762\u66f4\u597d\u3002<\/p>\n
\u56e0\u4e3a\u65f6\u95f4\u4e0d\u591f\uff0c\u6211\u65e0\u6cd5\u8ddf\u8fdb\u6bcf\u4e2a\u5305\u88f9\u7684\u74f6\u9888\u95ee\u9898\uff0c\u6240\u4ee5\u5c06\u5728\u4ee5\u540e\u8fdb\u884c\u8c03\u67e5(;\u00b4\u0414\uff40)<\/p>\n","protected":false},"excerpt":{"rendered":"
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