Class PageDecodedEvent

java.lang.Object

jdk.jfr.Event

dev.hardwood.jfr.PageDecodedEvent

public class PageDecodedEvent
extends Event

JFR event emitted when a single Parquet data page is decoded.

This event covers the full page decode cycle: header parsing, decompression, and value decoding. The compressed and uncompressed sizes can be used to gauge compression ratios and decode cost per page.

Field Summary

Fields

Modifier and Type	Field	Description
String	column
int	compressedSize
int	uncompressedSize

Constructor Summary

Constructors

Constructor	Description
PageDecodedEvent()

Method Summary

Methods inherited from class Event

begin, commit, end, isEnabled, set, shouldCommit

Methods inherited from class Object

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

Field Details

column

public String column

compressedSize

public int compressedSize

uncompressedSize

public int uncompressedSize

Constructor Details

PageDecodedEvent

public PageDecodedEvent()