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体验新版 GitCode,发现更多精彩内容 >>
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1600fe2c
编写于
11月 21, 2015
作者:
R
Robert Metzger
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差异文件
[hotfix][docs] Fix default config value, highlight detail in config
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8801cbcf
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docs/setup/config.md
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...
@@ -94,7 +94,7 @@ guide]({{site.baseurl}}/apis/programming_guide.html#parallel-execution) for more
...
@@ -94,7 +94,7 @@ guide]({{site.baseurl}}/apis/programming_guide.html#parallel-execution) for more
parallelism.
parallelism.
-
`fs.hdfs.hadoopconf`
: The absolute path to the Hadoop File System's (HDFS)
-
`fs.hdfs.hadoopconf`
: The absolute path to the Hadoop File System's (HDFS)
configuration
directory
(OPTIONAL VALUE).
configuration
**directory**
(OPTIONAL VALUE).
Specifying this value allows programs to reference HDFS files using short URIs
Specifying this value allows programs to reference HDFS files using short URIs
(
`hdfs:///path/to/files`
, without including the address and port of the NameNode
(
`hdfs:///path/to/files`
, without including the address and port of the NameNode
in the file URI). Without this option, HDFS files can be accessed, but require
in the file URI). Without this option, HDFS files can be accessed, but require
...
@@ -384,7 +384,7 @@ when this fraction of its memory budget is full (DEFAULT: 0.8).
...
@@ -384,7 +384,7 @@ when this fraction of its memory budget is full (DEFAULT: 0.8).
## YARN
## YARN
-
`yarn.heap-cutoff-ratio`
: (Default 0.
1
5) Percentage of heap space to remove from containers started by YARN.
-
`yarn.heap-cutoff-ratio`
: (Default 0.
2
5) Percentage of heap space to remove from containers started by YARN.
When a user requests a certain amount of memory for each TaskManager container (for example 4 GB),
When a user requests a certain amount of memory for each TaskManager container (for example 4 GB),
we can not pass this amount as the maximum heap space for the JVM (
`-Xmx`
argument) because the JVM
we can not pass this amount as the maximum heap space for the JVM (
`-Xmx`
argument) because the JVM
is also allocating memory outside the heap. YARN is very strict with killing containers which are using
is also allocating memory outside the heap. YARN is very strict with killing containers which are using
...
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