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update vmtool.md

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hengyunabc
2021-05-13 11:52:08 +08:00
parent 5c418545f4
commit 14d7efab1e
2 changed files with 26 additions and 2 deletions
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site/src/site/sphinx/en/vmtool.md
+13 -1
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@@ -11,7 +11,19 @@ vmtool
### getInstances
```bash
vmtool --action getInstances --className java.lang.String --limit 10
$ vmtool --action getInstances --className java.lang.String --limit 10
@String[][
@String[com/taobao/arthas/core/shell/session/Session],
@String[com.taobao.arthas.core.shell.session.Session],
@String[com/taobao/arthas/core/shell/session/Session],
@String[com/taobao/arthas/core/shell/session/Session],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/],
@String[java/util/concurrent/ConcurrentHashMap$ValueIterator],
@String[java/util/concurrent/locks/LockSupport],
]
```
> Through the `--limit` parameter, you can limit the number of return values to avoid pressure on the JVM when obtaining large data. The default value of limit is 10.
site/src/site/sphinx/vmtool.md
+13 -1
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@@ -12,7 +12,19 @@ vmtool
### 获取对象
```bash
vmtool --action getInstances --className java.lang.String --limit 10
$ vmtool --action getInstances --className java.lang.String --limit 10
@String[][
@String[com/taobao/arthas/core/shell/session/Session],
@String[com.taobao.arthas.core.shell.session.Session],
@String[com/taobao/arthas/core/shell/session/Session],
@String[com/taobao/arthas/core/shell/session/Session],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/taobao/arthas/core/shell/session/Session.class],
@String[com/],
@String[java/util/concurrent/ConcurrentHashMap$ValueIterator],
@String[java/util/concurrent/locks/LockSupport],
]
```
> 通过 `--limit`参数，可以限制返回值数量，避免获取超大数据时对JVM造成压力。默认值是10。