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HADOOP-16912. Emit per priority RPC queue time and processing time from DecayRpcScheduler. Contributed by Fengnan Li.

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    ./lib/MutableRatesWithAggregation.java
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HADOOP-16850. Support getting thread info from thread group for JvmMetrics to improve the performance. Contributed by Tao Yang.

  1. … 3 more files in changeset.
HADOOP-16705. MBeanInfoBuilder puts unnecessary memory pressure on the system with a debug log.

MBeanInfoBuilder's get() method DEBUG logs all the MBeanAttributeInfo attributes that it gathered. This can have a high memory churn that can be easily avoided.

HADOOP-16705. MBeanInfoBuilder puts unnecessary memory pressure on the system with a debug log.

MBeanInfoBuilder's get() method DEBUG logs all the MBeanAttributeInfo attributes that it gathered. This can have a high memory churn that can be easily avoided.

(cherry picked from commit c73334a924d2009d136a8ee62278aaac53418a24)

HADOOP-16705. MBeanInfoBuilder puts unnecessary memory pressure on the system with a debug log.

MBeanInfoBuilder's get() method DEBUG logs all the MBeanAttributeInfo attributes that it gathered. This can have a high memory churn that can be easily avoided.

(cherry picked from commit c73334a924d2009d136a8ee62278aaac53418a24)

HADOOP-16705. MBeanInfoBuilder puts unnecessary memory pressure on the system with a debug log.

MBeanInfoBuilder's get() method DEBUG logs all the MBeanAttributeInfo attributes that it gathered. This can have a high memory churn that can be easily avoided.

(cherry picked from commit c73334a924d2009d136a8ee62278aaac53418a24)

HADOOP-16496. Apply HDDS-1870 (ConcurrentModification at PrometheusMetricsSink) to Hadoop common.

This closes #1317

Reviewed-by: Bharat Viswanadham <bharat@apache.org>

HADOOP-16391 Add a prefix to the metric names for MutableRatesWithAggregation used for deferred RPC metrics to avoid collision with non-deferred metrics. Contributed by Bilwa S T.

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    • +8
    ./lib/MutableRatesWithAggregation.java
  1. … 2 more files in changeset.
HADOOP-16495. Fix invalid metric types in PrometheusMetricsSink (#1244)

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HADOOP-16398. Exports Hadoop metrics to Prometheus (#1170)

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    ./sink/PrometheusMetricsSink.java
  1. … 6 more files in changeset.
HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac703b10de59a8ca371fe957a4a338601)

HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac703b10de59a8ca371fe957a4a338601)

HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac703b10de59a8ca371fe957a4a338601)

HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac703b10de59a8ca371fe957a4a338601)

HADOOP-16248. MutableQuantiles leak memory under heavy load.

Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac703b10de59a8ca371fe957a4a338601)

HADOOP-16282. Avoid FileStream to improve performance. Contributed by Ayush Saxena.

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HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption.

Contributed by Todd Lipcon.

(cherry picked from commit 1f21be2d024de724990a0b5737c0c65c6e59d7f3)

HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption.

Contributed by Todd Lipcon.

HADOOP-16029. Consecutive StringBuilder.append can be reused. Contributed by Ayush Saxena.

  1. … 62 more files in changeset.
HADOOP-15110. Gauges are getting logged in exceptions from AutoRenewalThreadForUserCreds.

Contributed by LiXin Ge.

(cherry picked from commit 3c9d97b8f7d6eb75f08fc6d37cee37c22760bb86)

HADOOP-15110. Gauges are getting logged in exceptions from AutoRenewalThreadForUserCreds.

Contributed by LiXin Ge.

(cherry picked from commit 3c9d97b8f7d6eb75f08fc6d37cee37c22760bb86)

HADOOP-15110. Gauges are getting logged in exceptions from AutoRenewalThreadForUserCreds.

Contributed by LiXin Ge.

HADOOP-15785. [JDK10] Javadoc build fails on JDK 10 in hadoop-common. Contributed by Dinesh Chitlangia.

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HADOOP-15657 Registering MutableQuantiles via Metric annotation. Contributed by Sushil Ks

HADOOP-15657 Registering MutableQuantiles via Metric annotation. Contributed by Sushil Ks

HADOOP-15495. Upgrade commons-lang version to 3.7 in hadoop-common-project and hadoop-tools. Contributed by Takanobu Asanuma.

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HADOOP-15549. Upgrade to commons-configuration 2.1 regresses task CPU consumption

HADOOP-15377. Improve debug messages in MetricsConfig.java

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>

HADOOP-15339. Support additional key/value propereties in JMX bean registration. Contributed by Elek Marton.

  1. … 2 more files in changeset.