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https://issues.apache.org/jira/browse/HDDS-2034?focusedWorklogId=320358&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-320358
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ASF GitHub Bot logged work on HDDS-2034:
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Author: ASF GitHub Bot
Created on: 30/Sep/19 06:09
Start Date: 30/Sep/19 06:09
Worklog Time Spent: 10m
Work Description: lokeshj1703 commented on issue #1469: HDDS-2034. Async
RATIS pipeline creation and destroy through heartbea…
URL: https://github.com/apache/hadoop/pull/1469#issuecomment-536415974
> For SafeModeRules, I do modified the HealthyPipelineSafeModeRule a bit.
Add two properties, one is "hdds.scm.safemode.pipeline.creation" to control
whether create pipeline in safemode.
Another is "hdds.scm.safemode.min.pipeline" control the minimum pipeline
number to exit safe mode when create pipeline in safemode is enabled.
@ChenSammi The problem is safe mode rules are only tracking the old
pipelines. But since they are listening to OPEN_PIPELINE event any newly
created pipeline is counted in the rule. So if we are waiting for 50 old
pipelines and 20 new ones are created, rule would pass if just 30 old pipelines
are reported. Therefore I think we need a way to separate the old pipelines
from new ones in the rules.
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Issue Time Tracking
-------------------
Worklog Id: (was: 320358)
Time Spent: 10.5h (was: 10h 20m)
> Async RATIS pipeline creation and destroy through heartbeat commands
> --------------------------------------------------------------------
>
> Key: HDDS-2034
> URL: https://issues.apache.org/jira/browse/HDDS-2034
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Sammi Chen
> Assignee: Sammi Chen
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10.5h
> Remaining Estimate: 0h
>
> Currently, pipeline creation and destroy are synchronous operations. SCM
> directly connect to each datanode of the pipeline through gRPC channel to
> create the pipeline to destroy the pipeline.
> This task is to remove the gRPC channel, send pipeline creation and destroy
> action through heartbeat command to each datanode.
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