Help Center/ MapReduce Service/ Component Operation Guide (LTS) (Paris Region)/ Using Spark2x/ Spark2x Performance Tuning/ Spark on OBS Tuning
Updated on 2022-12-14 GMT+08:00
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Spark on OBS Tuning

Scenario

In the scenario where a small number of requests are frequently sent from Spark on OBS to OBS, you can disable OBS monitoring to improve performance.

Configuration

Modify the configuration in the core-site.xml file on the Spark client.
Table 1 Parameter description

Parameter

Description

Default Value

fs.obs.metrics.switch

Specifies whether to report OBS monitoring metrics.

  • true: enable
  • false: disable

true

fs.obs.metrics.consumer

Specifies the processing mode of OBS monitoring metrics.

  • org.apache.hadoop.fs.obs.metrics.OBSAMetricsProvider: indicates that OBS monitoring metrics are collected.
  • org.apache.hadoop.fs.obs.DefaultMetricsConsumer: indicates that OBS monitoring metrics are not collected.

To use the OBS monitoring function, ensure that the function of reporting OBS monitoring metrics is enabled.

org.apache.hadoop.fs.obs.metrics.OBSAMetricsProvider