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https://issues.apache.org/jira/browse/GEODE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Vallely updated GEODE-4245:
--------------------------------
    Description: 
The Tombstone GC setting is at cache level. Which is applied across all the 
regions in the cache.

Having these at region gives a better control on managing Tombstone in the 
system. They can be configured based on their usage and consistency requirement.

Also, Tombstone GC settings are time based (default 10minutes). Adding 
Tombstone GC configuration based on number of tombstones will also help 
managing tombstones and its impact on memory.

The proposal is to:
 # Have Tombstone GC setting at region level.
 # Add count based Tombstone GC setting
 # Internal API to change the setting based on known batch operations
 # Batch operations (lucene index, aeq usage)
 # Require region level be lower than the cache level setting
 # Investigate tombstone shut-off functionality

 

Historical information:
 * Possible longer timeout used for replicated regions.

  was:
The Tombstone GC setting is at cache level. Which is applied across all the 
regions in the cache.

Having these at region gives a better control on managing Tombstone in the 
system. They can be configured based on their usage and consistency requirement.

Also, Tombstone GC settings are time based (default 10minutes). Adding 
Tombstone GC configuration based on number of tombstones will also help 
managing tombstones and its impact on memory.

The proposal is to:
 # Have Tombstone GC setting at region level.
 # Add count based Tombstone GC setting
 # Internal API to change the setting based on known batch operations
 # Batch operations (lucene index, aeq usage)
 # Require region level be lower than the cache level setting

 

Historical information:
 * Possible longer timeout used for replicated regions.


> Support for Tombstone GC setting at region level
> ------------------------------------------------
>
>                 Key: GEODE-4245
>                 URL: https://issues.apache.org/jira/browse/GEODE-4245
>             Project: Geode
>          Issue Type: Improvement
>          Components: docs, regions
>            Reporter: Fred Krone
>            Priority: Major
>
> The Tombstone GC setting is at cache level. Which is applied across all the 
> regions in the cache.
> Having these at region gives a better control on managing Tombstone in the 
> system. They can be configured based on their usage and consistency 
> requirement.
> Also, Tombstone GC settings are time based (default 10minutes). Adding 
> Tombstone GC configuration based on number of tombstones will also help 
> managing tombstones and its impact on memory.
> The proposal is to:
>  # Have Tombstone GC setting at region level.
>  # Add count based Tombstone GC setting
>  # Internal API to change the setting based on known batch operations
>  # Batch operations (lucene index, aeq usage)
>  # Require region level be lower than the cache level setting
>  # Investigate tombstone shut-off functionality
>  
> Historical information:
>  * Possible longer timeout used for replicated regions.



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