ShadowySpirits commented on code in PR #6507:
URL: https://github.com/apache/rocketmq/pull/6507#discussion_r1192099476
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store/src/main/java/org/apache/rocketmq/store/util/LibC.java:
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@@ -50,4 +52,8 @@ public interface LibC extends Library {
int mlockall(int flags);
int msync(Pointer p, NativeLong length, int flags);
+
+ int mincore(Pointer p, NativeLong length, byte[] vec);
Review Comment:
In addition, there is already an `isLoaded` method in the MappedFile
interface：
```java
/**
* Check mapped file is loaded to memory with given position and size
* @param position start offset of data
* @param size data size
* @return data is resided in memory or not
*/
boolean isLoaded(long position, int size);
```
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