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https://issues.apache.org/jira/browse/NIFI-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brian Ghigiarelli updated NIFI-4987:
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Description:
To properly integrate the NiFi with Redis, it would be nice to support setting
TTLs for keys, whether a global TTL is used for the particular Redis database,
or a configurable TTL is used for each key. At the moment, the
PutDistributedMapCache processor that uses the
RedisDistributedMapCacheClientService and calls to the
RedisConnectionPoolService does not pass in any TTL / EXPIRE parameter, so
Redis will cache the value potentially forever unless Redis itself clears the
key based on its configured maxmemory eviction strategy.
On
[SO|https://stackoverflow.com/questions/49321005/setting-ttl-on-redis-with-apache-nifi-putdistributedmapcache/49324205#49324205],
[~bbende] suggested either a PutRedis processor or a modification to the
RedisDistributedMapCacheClientService.
was:
To properly integrate the NiFi with Redis, it would be nice to support setting
TTLs for keys, whether a global TTL is used for the particular Redis database,
or a configurable TTL is used for each key. At the moment, the
`PutDistributedMapCache` processor that uses the
`RedisDistributedMapCacheClientService` and calls to the
`RedisConnectionPoolService` does not pass in any TTL / EXPIRE parameter, so
Redis will cache the value potentially forever unless Redis itself clears the
key based on its configured maxmemory eviction strategy.
On
[SO|https://stackoverflow.com/questions/49321005/setting-ttl-on-redis-with-apache-nifi-putdistributedmapcache/49324205#49324205],
[~bbende] suggested either a `PutRedis` processor or a modification to the
`RedisDistributedMapCacheClientService`.
> Support TTL in Redis
> --------------------
>
> Key: NIFI-4987
> URL: https://issues.apache.org/jira/browse/NIFI-4987
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Brian Ghigiarelli
> Priority: Minor
>
> To properly integrate the NiFi with Redis, it would be nice to support
> setting TTLs for keys, whether a global TTL is used for the particular Redis
> database, or a configurable TTL is used for each key. At the moment, the
> PutDistributedMapCache processor that uses the
> RedisDistributedMapCacheClientService and calls to the
> RedisConnectionPoolService does not pass in any TTL / EXPIRE parameter, so
> Redis will cache the value potentially forever unless Redis itself clears the
> key based on its configured maxmemory eviction strategy.
> On
> [SO|https://stackoverflow.com/questions/49321005/setting-ttl-on-redis-with-apache-nifi-putdistributedmapcache/49324205#49324205],
> [~bbende] suggested either a PutRedis processor or a modification to the
> RedisDistributedMapCacheClientService.
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