{"id":34678,"date":"2023-12-24T00:52:35","date_gmt":"2023-08-15T20:03:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%af%b9linux%e5%86%85%e6%a0%b83-0%e5%8f%8a%e5%85%b6%e4%b9%8b%e5%90%8e%e8%bf%9b%e8%a1%8c%e4%ba%86%e4%b8%80%e4%ba%9b%e7%a0%94%e7%a9%b6%e3%80%82\/"},"modified":"2024-05-04T15:05:30","modified_gmt":"2024-05-04T07:05:30","slug":"%e6%88%91%e5%af%b9linux%e5%86%85%e6%a0%b83-0%e5%8f%8a%e5%85%b6%e4%b9%8b%e5%90%8e%e8%bf%9b%e8%a1%8c%e4%ba%86%e4%b8%80%e4%ba%9b%e7%a0%94%e7%a9%b6%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%af%b9linux%e5%86%85%e6%a0%b83-0%e5%8f%8a%e5%85%b6%e4%b9%8b%e5%90%8e%e8%bf%9b%e8%a1%8c%e4%ba%86%e4%b8%80%e4%ba%9b%e7%a0%94%e7%a9%b6%e3%80%82\/","title":{"rendered":"\u6211\u5bf9Linux\u5185\u68383.0\u53ca\u5176\u4e4b\u540e\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76"},"content":{"rendered":"

\u7531\u4e8e\u7bc7\u5e45\u8f83\u957f\uff0c\u4e3a\u4e86\u63d0\u70bc\u8981\u70b9\uff0c\u7701\u7565\u4e86GPU\u548c\u865a\u62df\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n

\u7531\u4e8eNW\u53d8\u5f97\u5f88\u957f\uff0c\u6240\u4ee5\u8981\u8fdb\u884c\u5206\u5272\u3002<\/p>\n

I\/O\u304c\u9577\u304f\u306a\u3063\u305f\u306e\u3067\u5206\u5272
\nhttp:\/\/qiita.com\/bringer1092\/items\/4a62ec6ab62b896ab611<\/p>\n

\u786c\u4ef6\u652f\u6301<\/h1>\n

4.6 \u8d85\u7ea7\u901f\u5ea6\u52a0\u500d\u7684USB 3.1 \uff0810 Gbps\uff09\u652f\u6301<\/h2>\n

\u652f\u6301USB 3.1
\n\u652f\u6301\u8d85\u9ad8\u901f\u52a0\u901f\uff0810 Gbps\uff09<\/p>\n

4.12 \u652f\u6301 USB Type-C<\/h3>\n

\u5728\u8c03\u67e5Type-C\u65f6\uff0c\u53d1\u73b0\u5b83\u652f\u6301USB PD\uff08\u6700\u9ad8100W\u529f\u7387\uff09\u6807\u51c6\uff0c\u5e76\u652f\u6301\u89c6\u9891\u8f93\u51fa\u3002<\/p>\n

\u5b89\u5168\u76f8\u5173\u4e8b\u9879 \u0261 deshi \u0261)<\/h1>\n

\u5c3d\u7ba1\u4eba\u4eec\u5bf9\u8981\u8f7d\u5165\u5185\u5bb9\u7684\u7ec6\u8282\u5b58\u5728\u8f83\u5927\u5dee\u5f02\u3002<\/p>\n

3.11 \u5f15\u5165 O_TMPFILE \u7684 open(2) \u6807\u5fd7\uff0c\u4ee5\u964d\u4f4e\u4e34\u65f6\u6587\u4ef6\u6f0f\u6d1e\u7684\u98ce\u9669\u3002<\/h3>\n

\u5b89\u5168\u306a\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u88c5
\nO_TMPFILE\u30d5\u30e9\u30b0\u3067\u30aa\u30fc\u30d7\u30f3\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u4f5c\u6210\u3055\u308c\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u305d\u3057\u3066\u3001\u30af\u30ed\u30fc\u30ba\u3055\u308c\u308b\u3068\u3059\u3050\u306b\u305d\u308c\u3089\u306f\u524a\u9664\u3055\u308c\u308b
\n\u306a\u304a\u3001MySQL\u3067\u306f\u4f5c\u6210\u3057\u305f\u77ac\u9593\u306b\u30aa\u30fc\u30d7\u30f3\u3001\u524a\u9664\u3068\u884c\u3044\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u4ed6\u304b\u3089\u306f\u898b\u3089\u308c\u306a\u3044\u3051\u3069\u5148\u306b\u30aa\u30fc\u30d7\u30f3\u3057\u305fMySQL\u3060\u3051\u304c\u53c2\u7167\u3067\u304d\u308b\u3068\u3044\u3046\u306e\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b<\/p>\n

3.19 \u652f\u6301\u82f1\u7279\u5c14\u5185\u5b58\u4fdd\u62a4\u6269\u5c55<\/h3>\n

\u82f1\u7279\u5c14\u652f\u6301\u5185\u5b58\u4fdd\u62a4\u6280\u672fMPX\u3002<\/p>\n

4.0 \u5b9e\u65f6\u4fee\u8865<\/h2>\n

\u5373\u65f6\u5185\u6838\u8865\u4e01
\n\u65e0\u9700\u91cd\u65b0\u542f\u52a8\u5373\u53ef\u5e94\u7528\u4e8e\u5185\u6838\u7684\u8865\u4e01
\n\u662f\u6700\u8fd1\u6700\u5927\u7684\u6536\u8d39\u6539\u8fdb
\n\u662f\u7684\uff0c\u9664\u975e\u60a8\u81ea\u5df1\u96c6\u6210\u8be5\u7ed3\u6784\uff0c\u5426\u5219\u5373\u4f7f\u662fUbuntu\u4e5f\u53ea\u80fd\u514d\u8d39\u4f7f\u75283\u53f0\u3002RHEL\u662f\u4ed8\u8d39\u7684\u3002<\/p>\n

4.1 \u652f\u6301Ext4\u52a0\u5bc6<\/h3>\n

Ext4\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u6697\u53f7\u5316\u30b5\u30dd\u30fc\u30c8
\n\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u76f4\u63a5\u5b9f\u88c5\u3057\u65e2\u5b58\u306edm-crypt\u3084ecryptfs\u3088\u308a\u3082\u9ad8\u901f\u306b
\n\u901f\u5ea6\u3068\u30d5\u30a1\u30a4\u30eb\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5358\u4f4d\u3067\u51fa\u6765\u308b\u306e\u304c\u7279\u5fb4
\n\u3084\u308a\u65b9\u306f\u3053\u3053\u306b\u3042\u308b
\nhttp:\/\/askubuntu.com\/questions\/643577\/how-to-create-ext4-encrypted-partition-on-ubuntu-15-04-with-new-4-1-kernel<\/p>\n

4.2 \u5b89\u5168\u6a21\u5757\u7684\u53e0\u52a0<\/h3>\n

\u5728Linux\u5185\u6838\u4e2d\uff0c\u53ea\u80fd\u6307\u5b9a\u4e00\u4e2a\u5b89\u5168\u6a21\u5757\uff0c\u4f46\u652f\u6301\u591a\u4e2a\uff08\u5806\u6808\uff09\u3002<\/p>\n

4.9 \u5185\u6838\u5bf9\u4fdd\u62a4\u5bc6\u94a5\u7cfb\u7edf\u8c03\u7528\u7684\u652f\u6301<\/h3>\n

\u63d0\u4f9b\u6bd4\u4f7f\u7528\u4fdd\u62a4\u5bc6\u94a5\u66f4\u5b8c\u5584\u7684API\u3002<\/p>\n

4.12 \u52a8\u6001\u5185\u6838\u4fee\u8865\u7684\u8fdb\u5c55<\/h3>\n

\u6211\u5011\u901a\u904e\u5373\u6642\u66f4\u65b0\uff0c\u78ba\u4fdd\u4e86\u4efb\u52d9\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

4\u670814\u65e5 \u589e\u52a0\u5bf9AMD\u5b89\u5168\u5185\u5b58\u52a0\u5bc6\u7684\u652f\u6301<\/h3>\n

\u652f\u6301AMD memory encryption SME<\/p>\n

4\u670815\u65e5\u7684Meltdown\/Spectre<\/h2>\n

\u4e3b\u8981\u5f15\u53d1\u5185\u5b58\u6027\u80fd\u4e0b\u964d\u7684CPU\u6f0f\u6d1e\u5e94\u5bf9\u63aa\u65bd
\n\u4ec5\u9650\u4e8e\u4ece\u672c\u5730\u6267\u884c\uff0c\u9700\u8981\u5728\u4f7f\u7528\u6d4f\u89c8\u5668\u7684PC\u4e0a\u8fdb\u884c\u8bbe\u7f6e
\n\u53ef\u4ee5\u901a\u8fc7\u5185\u6838\u542f\u52a8\u9009\u9879pti=off\u3001spectre_v2=off\u6765\u7981\u7528
\n\u5df2\u6dfb\u52a0\/sys\/devices\/system\/cpu\/vulnerabilities\/\u76ee\u5f55\uff0c\u663e\u793a\u6b63\u5728\u4f7f\u7528\u7684CPU\u548c\u5f71\u54cd\u7f13\u89e3\u63aa\u65bd\u7684\u6f0f\u6d1e\u3002<\/p>\n

\u5185\u5b58\u76f8\u5173<\/h1>\n

3.0 \u6e05\u7406\u7f13\u5b58<\/h3>\n

\u50cfMemcache\u4e00\u6837\u7684\u4e1c\u897f\u3002\u6709\u5173\u8bf4\u660e\u8bf7\u53c2\u8003\u4e0b\u9762\u94fe\u63a5\uff1a
\nhttp:\/\/gihyo.jp\/dev\/serial\/01\/linuxcon_basic\/0006?page=2<\/p>\n

\u7c7b\u4f3cMemcache\u7684\u4e1c\u897f\u3002\u6709\u5173\u8bf4\u660e\u8bf7\u67e5\u770b\u4e0b\u65b9\u94fe\u63a5\uff1a
\nhttp:\/\/gihyo.jp\/dev\/serial\/01\/linuxcon_basic\/0006?page=2<\/p>\n

\u7c7b\u4f3c\u4e8eMemcache\u7684\u4e1c\u897f\u3002\u8bf7\u53c2\u9605\u4e0b\u9762\u94fe\u63a5\u83b7\u53d6\u76f8\u5173\u8bf4\u660e\uff1a
\nhttp:\/\/gihyo.jp\/dev\/serial\/01\/linuxcon_basic\/0006?page=2<\/p>\n

3.1 \u9875\u5206\u914d\u5668\uff1a\u4fee\u590d\u5728NUMA\u673a\u5668\u4e0a\u590d\u5236\u5927\u91cf\u6570\u636e\u65f6\u51fa\u73b0\u7684\u663e\u8457\u505c\u987f\u95ee\u9898\u3002<\/h3>\n

\u9632\u6b62\u5728NUMA\u67b6\u6784\u4e0a\u8fdb\u884c\u5927\u91cf\u6570\u636e\u62f7\u8d1d\u65f6\u7684\u91cd\u8981\u505c\u987f\u3002<\/p>\n

3.5 \u524d\u7f6e\u4ea4\u6362\u652f\u6301\u3002\u524d\u7f6e\u4ea4\u6362\u4e4b\u6240\u4ee5\u88ab\u8fd9\u6837\u547d\u540d\u662f\u56e0\u4e3a\u5b83\u53ef\u4ee5\u88ab\u770b\u4f5c\u4ea4\u6362\u8bbe\u5907\u7684”\u5907\u4efd”\u5b58\u50a8\u7684\u76f8\u53cd\u90e8\u5206\u3002<\/h2>\n

Frontswap\u306e\u30b5\u30dd\u30fc\u30c8\u3002
\nvmswapness=0\u306e\u6319\u52d5\u304c\u5909\u308f\u3063\u305f\u305f\u3081\u3053\u308c\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306fvmswapness=1\u304c\u63a8\u5968\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f
\nCentOS6.4\u306b\u3082\u5165\u3063\u305f\u305f\u3081\u6709\u540d\u306b<\/p>\n

3.6 Allow swap readahead IOPS to be merged, it improves throughput and at the same time lowers CPU consumption<\/h3>\n

\u30b9\u30ef\u30c3\u30d7\u5148\u8aad\u307fIOPS\u3092\u8a31\u53ef\u3057\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5411\u4e0a\u3055\u305b\u3001\u540c\u6642\u306bCPU\u6d88\u8cbb\u3092\u524a\u6e1b<\/p>\n

3.11 Kswapd and page reclaim behaviour has been screwy in one way or the other for a long time<\/h3>\n

\u907f\u514d kswapd \u4f7f\u7528 100% \u7684 CPU \u7684\u95ee\u9898\u3002<\/p>\n

3.12 \u66f4\u597d\u7684\u5185\u5b58\u5904\u7406<\/h3>\n

OOM Killer\u7684\u884c\u4e3a\u53d8\u66f4<\/p>\n

3.12 swap: change block allocation algorithm for SSD<\/h3>\n

\u53ea\u6709\u5728SSD\u7684\u60c5\u51b5\u4e0b\u6539\u5584\u4e86\u4ea4\u6362\u4e2d\u7684\u5f00\u9500\u3002<\/p>\n

3.13 Improved performance in NUMA systems<\/h2>\n

NUMA\u306e\u6539\u826f
\n\u4eca\u306ex86\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3060\u3068CPU\u6bce\u306b\u30e1\u30e2\u30ea\u304c\u3076\u3089\u4e0b\u304c\u308b\u304c
\n\u8907\u6570\u7269\u7406CPU\u304c\u3042\u308b\u5834\u5408\u7570\u306a\u308bCPU\u306e\u30e1\u30e2\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u7121\u8996\u3067\u304d\u306a\u3044
\n\u305d\u306e\u305f\u3081\u30e1\u30e2\u30ea\u306e\u30c7\u30fc\u30bf\u304c\u81ea\u5206\u306eCPU\u306e\u30e1\u30e2\u30ea\u306b\u3042\u308b\u3088\u3046\u306b\u914d\u7f6e\u3067\u304d\u308b\u3088\u3046\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8ffd\u52a0<\/p>\n

\u53c2\u6570\u7684\u8be6\u7ec6\u8bf4\u660e\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\uff1a
\nhttp:\/\/git.kernel.org\/cgit\/linux\/kernel\/git\/torvalds\/linux.git\/diff\/Documentation\/sysctl\/kernel.txt?id=10fc05d0e551146ad6feb0ab8902d28a2d3c5624<\/p>\n

kernel.numa_balancing_scan_delay_ms = 1000\r\nkernel.numa_balancing_scan_period_max_ms = 60000\r\nkernel.numa_balancing_scan_period_min_ms = 1000\r\nkernel.numa_balancing_scan_size_mb = 256\r\nkernel.numa_balancing_settle_count = 4\r\n<\/code><\/pre>\n
\u3053\u3093\u306a\u611f\u3058\u3067\u8a2d\u5b9a
\nCPU\u3092\u305f\u304f\u3055\u3093\u6271\u3048\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u306f\u52b9\u679c\u304c\u3042\u308a\u305d\u3046\u3001
\n\u3060\u304c\u30e1\u30e2\u30ea\u304c\u4ed6\u30b3\u30a2\u306e\u30e1\u30e2\u30ea\u307e\u3067\u5fc5\u8981\u3068\u3059\u308b\u307b\u3069\u4f7f\u3046\u3082\u306e\u3067\u306f\u610f\u5473\u304c\u306a\u3044\u304b\u306a
\nkernel.numa_balancing_settle_count\u306f3.14\u3067\u524a\u9664\u3055\u308c\u305f\u6a21\u69d8<\/p>\n
3.14 \u6dfb\u52a0 overcommit_kbytes \u7cfb\u7edf\u63a7\u5236\u53d8\u91cf\u3002<\/h3>\n
\u5b9e\u73b0\u5c06\u5185\u5b58\u5355\u4f4d\u4ece\u767e\u5206\u6bd4\u53d8\u4e3aTB\u5355\u4f4d\uff0c\u5e76\u7ec6\u5206\u81f3\u6bd4overcommit_kbytes\u66f4\u8be6\u7ec6\u7684\u7ea7\u522b\u3002<\/p>\n
3.15 \u6539\u8fdb\u4e86\u5de5\u4f5c\u96c6\u5927\u5c0f\u68c0\u6d4b<\/h2>\n
\u5c06\u975e\u6d3b\u52a8\u5185\u5b58\u7684\u884c\u4e3a\u8fdb\u884c\u66f4\u6539\u3002
\n\u8ddf\u8e2a\u5185\u5b58\u4ece\u53d8\u4e3a\u975e\u6d3b\u52a8\u72b6\u6001\u540e\u7ecf\u8fc7\u7684\u65f6\u95f4\uff0c
\n\u4ee5\u4fbf\u5b9e\u73b0\u6548\u7387\u5316\u6539\u8fdb\uff0c\u53ef\u4ee5\u9884\u671f\u4f1a\u6709\u4e00\u5b9a\u6548\u679c\u3002<\/p>\n
3.15 NUMA: make smarter decisions on NUMA migrations in order to maximize performance of workloads that do not fit in one NUMA node<\/h2>\n
1\u3064\u306eNUMA\u306b\u53ce\u307e\u3089\u306a\u3044\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u5316
\nNUMA\u3092\u7121\u52b9\u306b\u3057\u305f\u307b\u3046\u304c\u65e9\u3044\u304b\u306a<\/p>\n
4.0 cgroups: Per memory cgroup slab shrinkers<\/h3>\n
\u53ea\u6709\u5bf9cgroup\u7684\u5185\u5b58\u7ba1\u7406\u8fdb\u884c\u65b0\u8bbe\u8ba1\u548c\u521b\u5efa\u4e00\u4e2a\u65b0\u63a5\u53e3\u624d\u4f1a\u4ea7\u751f\u6548\u679c\u3002<\/p>\n
4.3 \u538b\u7f29\u6e05\u7406\u548c\u6027\u80fd\u4f18\u5316<\/h3>\n
\u538b\u7f29\u6e05\u7406\u548c\u4f18\u5316<\/p>\n
4.5\u63d0\u6848\uff1a\u5171\u4eab\u5185\u5b58\u7684\u8ba1\u7b97\u5b58\u5728\u51e0\u4e2a\u7f3a\u9677\uff0c\u9700\u8981\u6539\u8fdb\u3002<\/h3>\n
\u9650\u5236\u6bcf\u4e2a\u7528\u6237\u5728\u7ba1\u9053\u4e2d\u5206\u914d\u7684\u9875\u9762\u6570\u91cf\u4e3a4.5\u3002<\/h3>\n
\u6dfb\u52a0sysct\u53c2\u6570\u9650\u5236\u6ca1\u6709\u7ba1\u7406\u5458\u6743\u9650\u7684\u7528\u6237\u80fd\u591f\u5206\u914d\u7ed9\u7ba1\u9053\u7684\u6700\u5927\u9875\u9762\u6570\u91cf\u3002<\/p>\n
\u7ba1\u9053\u7528\u6237\u9875\u9762\u8f6f\u9650\u5236
\n\u7ba1\u9053\u7528\u6237\u9875\u9762\u786c\u9650\u5236<\/p>\n
4.6 \u63d0\u9ad8\u5185\u5b58\u4e0d\u8db3\u4efb\u52a1\u7ec8\u6b62\u5668\u7684\u53ef\u9760\u6027<\/h2>\n
OOM\u30ad\u30e9\u30fc\u306e\u4fe1\u983c\u6027\u5411\u4e0a
\n\u30a2\u30eb\u30b4\u30ea\u30e0\u306e\u6539\u5584\u3002OOM\u30ad\u30e9\u30fc\u5bfe\u8c61\u306e\u30e1\u30e2\u30ea\u3092\u5148\u306b\u958b\u653e\u3057\u518d\u5229\u7528\u3002<\/p>\n
4.7 \u652f\u6301\u66f4\u5927\u7684\u7f13\u5b58\u5de5\u4f5c\u96c6\uff0c\u5e76\u4fdd\u62a4\u5199\u5165\u64cd\u4f5c\u3002<\/h2>\n
\u652f\u6301\u5927\u578b\u7f13\u5b58\u5de5\u4f5c\u96c6\uff0c\u5e76\u4fdd\u62a4\u5199\u5165\u64cd\u4f5c
\n\u7531\u4e8e\u7279\u5b9a\u7684PostgreSQL\u5de5\u4f5c\u8d1f\u8f7d\u5b58\u5728\u95ee\u9898\uff0c\u9700\u8981\u5bf9\u5185\u5b58\u7ba1\u7406\u4ee3\u7801\u8fdb\u884c\u66f4\u6539\u3002<\/p>\n
\u6539\u8fdbOOM\u68c0\u6d4b\u4ee5\u63d0\u9ad8\u5176\u53ef\u9760\u6027\u3002<\/h3>\n
\u91cd\u65b0\u8c03\u6574\u4ee5\u5b9e\u73b0\u66f4\u53ef\u9760\u7684OOM\u68c0\u6d4b\u3002<\/p>\n
4.7\u5e73\u677f\u5206\u914d\u5668\uff08\u8bf7\u52ff\u4e0e\u9ed8\u8ba4SLUB\u5206\u914d\u5668\u6df7\u6dc6\uff09\uff1a\u51cf\u5c11\u5206\u914d\u8def\u5f84\u4e0a\u7684\u9501\u4e89\u7528\uff0c\u6539\u8fdb\u5e76\u53d1\u5206\u914d\u3002<\/h3>\n
\u30b5\u30a4\u30ba\u304c128\u30d0\u30a4\u30c8\u3092\u8d85\u3048\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30af\u30e9\u30b9\u306e\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c50%\u4ee5\u4e0a\u5411\u4e0a<\/p>\n
4.8 Support for using Transparent Huge Pages in the page cache<\/h3>\n
\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u900f\u660e\u306a\u5de8\u5927\u30da\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30b5\u30dd\u30fc\u30c8
\nTransparent huge pages\u306b\u3088\u3063\u30662MB\u306e\u30da\u30fc\u30b8\u304c\u6271\u3048\u308b\u304c
\n\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30e1\u30e2\u30ea\u30fc\u306e\u6700\u5927\u306e\u30e6\u30fc\u30b6\u3067\u3042\u308b\u3053\u3068\u304c
\n\u591a\u3044\u306e\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002
\ntmpfs\/shmem\u306e\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u3067\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u8ffd\u52a0
\nmount\u30aa\u30d7\u30b7\u30e7\u30f3huge=\u3067tmpfs\u306ehugepage\u5272\u308a\u5f53\u3066\u30dd\u30ea\u30b7\u30fc\u3092\u5236\u5fa1\u3067\u304d\u308b<\/p>\n
4.11 Scalable swapping for SSDs<\/h2>\n
\u5c06\u4ea4\u6362\u5904\u7406\u6269\u5c55\u4ee5\u4f18\u5316SSD\u3002<\/p>\n
4.13 Improved block layer and background writes error handling<\/h3>\n
\u30d0\u30c3\u30b0\u30b0\u30e9\u30a6\u30f3\u30c9\u66f8\u304d\u8fbc\u307f\u30d7\u30ed\u30bb\u30b9\u304c\u5931\u6557\u3057\u3066\u3082\u521d\u56de\u3057\u304b\u30a8\u30e9\u30fc\u304c\u51fa\u3055\u306a\u304b\u3063\u305f\u304c
\n\u30a8\u30e9\u30fc\u3092\u65b0\u3057\u3044\u51e6\u7406\u306b\u3057fsync\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30ec\u30dd\u30fc\u30c8\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
4.14 \u5185\u5b58\u4e0a\u9650\u66f4\u5927<\/h2>\n
\u5c06x64\u7684\u6700\u5927\u8bb0\u5fc6\u4ece64TB\u589e\u52a0\u5230128PiB\u3002<\/p>\n
4.15 Speed up page cache truncation<\/h3>\n
\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306etruncation\u3092\u9ad8\u901f\u5316<\/p>\n
4.15 Make able to disable NUMA stats for improved performance<\/h3>\n
\/proc\/sys\/vm\/numa_stat\u306b0\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306bNUMA\u7d71\u8a08\u3092\u7121\u52b9\u306b\u3067\u304d\u308b<\/p>\n
\u4e2d\u592e\u5904\u7406\u5668<\/h1>\n
3.2 Process bandwidth(\u5404\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308bCPU\u30ea\u30bd\u30fc\u30b9\u306e\u5229\u7528\u91cf\u3092\u5236\u9650)<\/h3>\n
\u6211\u539f\u672c\u4ee5\u4e3acgroup\u5df2\u7ecf\u5177\u5907\u4e86\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n
Here’s the Chinese paraphrase:
\n\u6211\u4ee5\u4e3acgroup\u5df2\u7ecf\u62e5\u6709\u8fd9\u4e2a\u529f\u80fd\u4e86\u3002<\/p>\n
\u81ea\u52a8\u68c0\u6d4bx86 CPU\u76843.4\u7248\u672c<\/h2>\n
CPU\u306b\u3088\u308a\u8272\u3005\u306a\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u304cCRC32\u5f37\u5316\u306a\u3069\u306e\u6a5f\u80fd\u304c\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u3002
\n\u6b63\u3057\u3044CPU\u578b\u756a\u3092\u8b58\u5225\u5b50\u3057\u3066\u6a5f\u80fd\u3092\u5168\u90e8\u4f7f\u3046\u305f\u3081\u306e\u5224\u5b9a<\/p>\n
3.7 \u82f1\u7279\u5c14\u201c\u76d1\u7763\u8005\u6a21\u5f0f\u8bbf\u95ee\u9884\u9632\u201d\u652f\u6301<\/h3>\n
\u82f1\u7279\u5c14SMAP\u652f\u6301
\n\u63a8\u8350\u7684\u82f1\u7279\u5c14\u6587\u6863\uff1a\u82f1\u7279\u5c14\u00ae\u67b6\u6784\u6307\u4ee4\u96c6\u6269\u5c55\u7f16\u7a0b\u53c2\u8003<\/p>\n
3.15 Intel AVX-512 vector instructions support<\/h2>\n
AVX-512\u306e\u30b5\u30dd\u30fc\u30c8<\/p>\n
3.16 \u63a7\u5236\u7ec4\u5141\u8bb8\u521b\u5efa\u4efb\u610f\u8fdb\u7a0b\u7ec4\uff0c\u5e76\u5e94\u7528CPU\u3002<\/h3>\n
\u63a7\u5236\u7ec4\u7684\u5c42\u6b21\u5316 z\u01d4 de hu\u00e0)<\/p>\n
3.18 \u589e\u52a0\u5bf9gcc 5\u7684\u652f\u6301<\/h3>\n
\u652f\u6301gcc5<\/p>\n
3.19 AMD GPU\u8bbe\u5907\u7684HSA\u9a71\u52a8\u7a0b\u5e8f<\/h3>\n
\u652f\u6301AMD HSA\u67b6\u6784<\/p>\n
4.2 \u5f85\u5904\u7406\u81ea\u65cb\u9501\u6210\u4e3a\u9ed8\u8ba4\u7684\u81ea\u65cb\u9501\u5b9e\u73b0\u65b9\u5f0f<\/h2>\n
\u5728x86\u67b6\u6784\u7684CubeS\u7684Spin Lock\u4e0a
\n\u5728\u62e5\u67092\u4e2a\u4ee5\u4e0aNUMA\u7684\u673a\u5668\u4e0a\uff0c\u5bf9\u8c03\u5ea6\u5668\u8fdb\u884c\u589e\u5f3a<\/p>\n
4.6 dma-buf: new ioctl to manage cache coherency between CPU and GPU<\/h3>\n
\u7ba1\u7406CPU\u548cGPU\u4e4b\u95f4\u7684\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u65b0\u7684ioctl\u652f\u6301\u3002<\/p>\n
4\u670810\u65e5\uff0c\u5bf9\u4e8e\u82f1\u7279\u5c14\u7f13\u5b58\u5206\u914d\u6280\u672f\u7684\u652f\u6301<\/h3>\n
\u82f1\u7279\u5c14\u63d0\u4f9b\u4e86\u4e00\u79cd\u529f\u80fd\uff0c\u53ef\u4ee5\u8bbe\u7f6eL2\/3 CPU\u7f13\u5b58\u7684\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4e3a\u5b9e\u65f6\u4efb\u52a1\u5206\u914d\u72ec\u7acb\u7684\u7f13\u5b58\u7a7a\u95f4\u3002<\/p>\n
4.16 epoll\uff1a\u5927\u5e45\u63d0\u9ad8\u5d4c\u5957epoll\u6027\u80fd<\/h2>\n
\u5de2\u72b6epoll\u7684\u6027\u80fd\u5927\u5e45\u63d0\u5347\u3002<\/p>\n
4\u670815\u65e5\uff0c\u65b0\u7684\u67b6\u6784\uff1aRISC-V<\/h3>\n
\u672a\u6765\u53ef\u80fd\u589e\u52a0\u91c7\u7528\u652f\u6301RISC-V\u7684CPU\u3002<\/p>\n
\u538b\u7f29<\/h1>\n
4.11 \u66f4\u65b0LZ4\u538b\u7f29\u6a21\u5757<\/h3>\n
\u901a\u8fc7\u66f4\u65b0LZ4\u5e76\u6dfb\u52a0LZ4 fast xx\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u901f\u7684\u538b\u7f29\u3002\u7531\u4e8efast\u8bbe\u7f6e\u7684\u539f\u56e0\uff0c\u538b\u7f29\u7387\u4f1a\u6709\u6240\u4e0b\u964d\u3002<\/p>\n
\u9700\u8981\u8fdb\u884c\u8c03\u67e5\u3002<\/h1>\n
3.12 \u53ea\u5728SSD\u60c5\u51b5\u4e0b\u6539\u8fdb\u4ea4\u6362\u5f0f\u6761\u5e26\u8bbf\u95ee\u3002<\/h3>\n
3.12 \u5728\u9ad8\u901fSSD\u4e0a\uff0c\u901a\u8fc7\u5f02\u6b65\u4ea4\u6362\u63d0\u9ad8\u901f\u5ea6\u3002<\/h3>\n
4.5 \u5168\u65b0\u7edf\u4e00\u9636\u5c42\u7684\u6b63\u5f0f\u652f\u6301<\/h3>\n","protected":false},"excerpt":{"rendered":"
\u7531\u4e8e\u7bc7\u5e45\u8f83\u957f\uff0c\u4e3a\u4e86\u63d0\u70bc\u8981\u70b9\uff0c\u7701\u7565\u4e86GPU\u548c\u865a\u62df\u76f8\u5173\u5185\u5bb9\u3002 \u7531\u4e8eNW\u53d8\u5f97\u5f88\u957f\uff0c\u6240\u4ee5\u8981\u8fdb\u884c\u5206\u5272\u3002 I\/O\u304c\u9577\u304f\u306a\u3063 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34678","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u6211\u5bf9Linux\u5185\u68383.0\u53ca\u5176\u4e4b\u540e\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5bf9linux\u5185\u68383-0\u53ca\u5176\u4e4b\u540e\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6211\u5bf9Linux\u5185\u68383.0\u53ca\u5176\u4e4b\u540e\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76\" \/>\n<meta property=\"og:description\" content=\"\u7531\u4e8e\u7bc7\u5e45\u8f83\u957f\uff0c\u4e3a\u4e86\u63d0\u70bc\u8981\u70b9\uff0c\u7701\u7565\u4e86GPU\u548c\u865a\u62df\u76f8\u5173\u5185\u5bb9\u3002 \u7531\u4e8eNW\u53d8\u5f97\u5f88\u957f\uff0c\u6240\u4ee5\u8981\u8fdb\u884c\u5206\u5272\u3002 I\/O\u304c\u9577\u304f\u306a\u3063 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5bf9linux\u5185\u68383-0\u53ca\u5176\u4e4b\u540e\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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