Package com.linkedin.davinci.utils

Class StoragePartitionDiskUsage

java.lang.Object

com.linkedin.davinci.utils.StoragePartitionDiskUsage

public class StoragePartitionDiskUsage
extends Object

This class maintains in-memory partition usage. Triggered by size and/or time by #getUsage(), it will sync up with real disk usage.

Constructor Summary

Constructors

Constructor	Description
StoragePartitionDiskUsage(int partition, AbstractStorageEngine storageEngine)

Method Summary

Modifier and Type	Method	Description
void	add(long recordSize)	Adds a usage size to the partition
long	getUsage()
final void	syncWithDB()	sync with real partition DB usage and reset in memory partition usage to be zero

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StoragePartitionDiskUsage

public StoragePartitionDiskUsage(int partition,
 AbstractStorageEngine storageEngine)

Method Details

add

public void add(long recordSize)

Adds a usage size to the partition

getUsage

public long getUsage()

Returns:

the disk usage for this partition

syncWithDB

public final void syncWithDB()

sync with real partition DB usage and reset in memory partition usage to be zero