chapter46_part6: /510_Deployment/50_heap.asciidoc #11

pengqiuyuan · 2016-03-03T11:26:37Z

堆内存:大小和交换翻译完成

Fixed typo: clsuter -> cluster

Fixed typo

chapter46_part6: /510_Deployment/50_heap.asciidoc 未完成

堆内存:大小和交换

medcl · 2016-03-05T03:00:58Z

510_Deployment/50_heap.asciidoc

-<1> Ensure that the min (`Xms`) and max (`Xmx`) sizes are the same to prevent
-the heap from resizing at runtime, a very costly process.
+<1> 确保 (`Xms`) 和 (`Xmx`) 的大小是相同的，防止程序在运行时改变堆内存大小，
+这是一个一个非常昂贵的过程。


一个很耗系统资源的过程？

biyuhao · 2016-03-05T05:21:57Z

510_Deployment/50_heap.asciidoc

- file.  This allows the JVM to lock its memory and prevent
-it from being swapped by the OS.  In your `elasticsearch.yml`, set this:
+最后，如果上面的方法都不能做到，你需要打开配置文件中的 `mlockall` 开关。
+它的作用就是运行 JVM 锁住内存，禁止 OS 交换出去。在你的 `elasticsearch.yml` 文件中，设置如下：


运行 是 允许 。

biyuhao · 2016-03-05T07:38:50Z

510_Deployment/50_heap.asciidoc

- Are you doing mostly full-text search?  Consider giving just under 32 GB to Elasticsearch
-and letting Lucene use the rest of memory via the OS filesystem cache.  All that
-memory will cache segments and lead to blisteringly fast full-text search.
+- 你主要做全文检索吗？考虑给 Elasticsearch 不超过 32 GB 的内存


剩下的交给Lucene用作操作系统的文件系统缓存。

让Lucene通过操作系统文件缓存来利用余下的内存。

1、中文、数字、英文中间的空格添加修改（如：“小于 32GB 的”修改为“小于 32 GB 的”） 2、html页面斜体字显示错误的修改。 3、“这是一个一个非常昂贵的过程”修改为“这是一个很耗系统资源的过程” 4、”_内存消耗_大户：Lucene”调整为“_内存消耗_ 大户非堆内存（off-heap）：Lucene” 5、“所以很利于缓存”调整为“这是对缓存友好的” 6、“OS”统一修改为“操作系统” 7、“如果你把所有的内存都分配给 Elasticsearch，不留一点给 Lucene。那你的全文检索性能就会变得很差” 修改为 “如果你把所有的内存都分配给 Elasticsearch 的堆内存，那将不会有剩余的内存交给 Lucene。这将严重地影响全文检索的性能” 8、“Lucene 会很快吞噬剩下的这部分内存” 修改为 “当然它也不会被浪费，Lucene 会很乐意利用起余下的内存” 9、“不要超过 32 GB！” 翻译时丢失原文的感叹号 10、“..CPU 的_字长_的大小：不是 32 bits 就是 64 bits” 修改为 “..通常为 CPU 字长的大小：32 位或 64 位，取决于你的处理器” , 上下文有语句的调整修改 11、“对于 32位的系统，你的内存最大可使用 4 GB..” 修改为 “对于 32 位的系统，意味着堆内存大小最大为 4 GB.. ” 12、“主内存和缓存器（例如 LLC，L1等）”修改为 “主内存和各级缓存（例如 LLC，L1 等）” 13、调整下格式，将“内存指针压缩”作为锚文本， 14、文中 “bit” 统一翻译成“位” 15、“现在的机器内存普遍增长，你现在都可以看到有 512-768 GB 内存的机器。” 修改为 “一台有着 512-768 GB内存的服务器愈发常见” 16、“剩下的交给Lucene用作操作系统的文件系统缓存” 修改为“让 Lucene 通过操作系统文件缓存来利用余下的内存” 17、“你希望更大的堆内存” 修改为 “你可能会更希望那些那些内存用在堆中” 18、“shard” 修改为 “分片（shard）” 19、“这样可以暂时禁用” 修改为 “如果需要永久禁用” 20、“设置为 `0` 会引发 OOM（内存溢出）。”修改为 “设置为 `0` 会触发系统 OOM-killer（注：Linux 内核的 Out of Memory（OOM）killer 机制）。”

pengqiuyuan · 2016-03-07T03:15:13Z

@biyuhao @medcl 感谢🙏 两位大大，辛苦了，上述问题已调整修改，感谢！

pengqiuyuan · 2016-03-07T03:24:43Z

预览模式已检查

1、漏掉空格

medcl · 2016-03-07T08:10:09Z

510_Deployment/50_heap.asciidoc

-If you choose this option, set `cluster.routing.allocation.same_shard.host: true`
-in your config.  This will prevent a primary and a replica shard from colocating
-to the same physical machine (since this would remove the benefits of replica high availability).
+如果你选择第二种，你需要配置 `cluster.routing.allocation.same_shard.host: true`。


cluster.routing.allocation.same_shard.host: true 格式好像有点问题

已修改

2016-03-07 16:10 GMT+08:00 Medcl [email protected]:

In 510_Deployment/50_heap.asciidoc
#11 (comment)
:

-If you choose this option, set cluster.routing.allocation.same_shard.host: true
-in your config. This will prevent a primary and a replica shard from colocating
-to the same physical machine (since this would remove the benefits of replica high availability).
+如果你选择第二种，你需要配置 cluster.routing.allocation.same_shard.host: true。

cluster.routing.allocation.same_shard.host: true 格式好像有点问题

—
Reply to this email directly or view it on GitHub
https://github.com/elasticsearch-cn/elasticsearch-definitive-guide/pull/11/files#r55171774
.

1、修改斜体字格式问题

medcl · 2016-03-07T14:54:56Z

LGTM

biyuhao · 2016-03-07T15:50:02Z

510_Deployment/50_heap.asciidoc


 [source,bash]
 ----
 ./bin/elasticsearch -Xmx10g -Xms10g <1>
 ----
-<1> Ensure that the min (`Xms`) and max (`Xmx`) sizes are the same to prevent
-the heap from resizing at runtime, a very costly process.
+<1> 确保 (`Xms`) 和 (`Xmx`) 的大小是相同的，防止程序在运行时改变堆内存大小，


这里貌似稍稍有点，最小值最大值没有了，另外括号是用了英文的加了空格。

the min (Xms) and max (Xmx) sizes are the same

确保堆内存最小值（Xms）与最大值（Xmx）的是相同的，防止程序在运行时调整堆内存大小，

1、斜体字的修改

biyuhao · 2016-03-07T16:13:46Z

感觉这一篇文档确实有点长啊，也辛苦你了。

pengqiuyuan · 2016-03-07T16:15:41Z

@biyuhao 😄

1、“确保 (`Xms`) 和 (`Xmx`) 的大小 ” 修改为 “确保堆内存最小值（ `Xms` ）与最大值（ `Xmx` ）的大小” 2、“ `-Xmx10g -Xms10g`” 修改为 “`-Xmx -Xms`” 3、修改斜体字标错词 “_内存消耗_ 大户非堆内存” 修改为 “内存消耗大户 _非堆内存_ ” 4、语句的调整，贴近上下文

pengqiuyuan · 2016-03-07T16:46:42Z

预览模式已查看，🙏 @biyuhao

biyuhao · 2016-03-07T16:52:00Z

LGTM. 😄

Closes #11

medcl · 2016-03-08T13:15:52Z

merged ad82e1a

baakind and others added 6 commits November 25, 2015 14:33

Fixed typo

8085201

Fixed typo: clsuter -> cluster

$@polyfractal$

Merge pull request elasticsearch-cn#443 from baakind/patch-1

84b9e5c

Fixed typo

$@polyfractal$

Add missing closing parenthesis

777af37

$@polyfractal$

typo

03b91b6

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堆内存:大小和交换

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1、漏掉空格

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Merge branch 'pengqiuyuan-chapter/chapter46_part6' into cn

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Closes #11

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chapter46_part6: /510_Deployment/50_heap.asciidoc #11

chapter46_part6: /510_Deployment/50_heap.asciidoc #11

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chapter46_part6: /510_Deployment/50_heap.asciidoc #11

chapter46_part6: /510_Deployment/50_heap.asciidoc #11

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