Help Center/ MapReduce Service/ User Guide (ME-Abu Dhabi Region)/ FusionInsight Manager Operation Guide (Applicable to 3.x)/ Cluster/ Managing a Service/ Other Service Management Operations/ Collecting Stack Information
Updated on 2022-12-08 GMT+08:00
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Collecting Stack Information

Scenario

To meet the project requirements, you can collect the stack information about a specified role or instance on FusionInsight Manager, save the information to a local directory, and download the information. The following information can be collected:

  1. jstack information.
  2. jmap -histo information.
  3. jmap -dump information.
  4. jstack and jmap-histo information can be collected consecutively for comparison.

Procedure

Collecting stack information

  1. Log in to FusionInsight Manager.
  2. Choose Cluster > Name of the desired cluster > Services > Name of the desired service.
  3. Choose More > Collect Stack Information.

    • To collect stack information of multiple instances, select the desired instances in the instance list and choose More > Collect Stack Information.
    • To collect stack information of a single instance, click the desired instance and choose More > Collect Stack Information.

  1. In the dialog box that is displayed, select the desired role and content, configure advanced options (retain the default settings unless otherwise specified), and click OK.
  2. After the collection is successful, click Download.

Downloading stack information

  1. Choose Cluster > Name of the desired cluster > Services > Name of the desired service. Choose More > Download Stack Information in the upper right corner.
  2. Select the desired role and content and click Download to download the stack information to the local PC.

Clearing stack information

  1. Choose Cluster > Name of the desired cluster > Services > Name of the desired service.
  2. Choose More > Clear Stack Information in the upper right corner.
  3. Select the desired role and content and configure File Directory. Click OK.