You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-dev@hadoop.apache.org by "Brahma Reddy Battula (JIRA)" <ji...@apache.org> on 2017/05/22 12:53:04 UTC
[jira] [Created] (HDFS-11864) Document Metrics to track usage of
memory for writes
Brahma Reddy Battula created HDFS-11864:
-------------------------------------------
Summary: Document Metrics to track usage of memory for writes
Key: HDFS-11864
URL: https://issues.apache.org/jira/browse/HDFS-11864
Project: Hadoop HDFS
Issue Type: Bug
Components: documentation
Reporter: Brahma Reddy Battula
HDFS-7129 introduced followings metrics which are not documented.
{noformat}
// RamDisk metrics on read/write
@Metric MutableCounterLong ramDiskBlocksWrite;
@Metric MutableCounterLong ramDiskBlocksWriteFallback;
@Metric MutableCounterLong ramDiskBytesWrite;
@Metric MutableCounterLong ramDiskBlocksReadHits;
// RamDisk metrics on eviction
@Metric MutableCounterLong ramDiskBlocksEvicted;
@Metric MutableCounterLong ramDiskBlocksEvictedWithoutRead;
@Metric MutableRate ramDiskBlocksEvictionWindowMs;
final MutableQuantiles[] ramDiskBlocksEvictionWindowMsQuantiles;
// RamDisk metrics on lazy persist
@Metric MutableCounterLong ramDiskBlocksLazyPersisted;
@Metric MutableCounterLong ramDiskBlocksDeletedBeforeLazyPersisted;
@Metric MutableCounterLong ramDiskBytesLazyPersisted;
@Metric MutableRate ramDiskBlocksLazyPersistWindowMs;
final MutableQuantiles[] ramDiskBlocksLazyPersistWindowMsQuantiles;
{noformat}
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-dev-help@hadoop.apache.org