[jira] [Updated] (BEAM-9554) Improve connection reuse on HBaseIO.ReadAll

["Ismaël Mejía (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-9554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismaël Mejía updated BEAM-9554:
-------------------------------
    Status: Open  (was: Triage Needed)

> Improve connection reuse on HBaseIO.ReadAll
> -------------------------------------------
>
>                 Key: BEAM-9554
>                 URL: https://issues.apache.org/jira/browse/BEAM-9554
>             Project: Beam
>          Issue Type: Improvement
>          Components: io-java-hbase
>            Reporter: Ismaël Mejía
>            Assignee: Ismaël Mejía
>            Priority: Minor
>
> The recent refactor of HBase.ReadAll in BEAM-9279 creates new connections in the @ProcessElement method (once per element), in the case that a pipeline is used on streaming mode this could be costly so we should find a way to cache and reuse connections to avoid both slow start of reads and saturating the clusters.
> Notice that this is an ongoing issue for DoFn based IOs that manifested first on Writes for JdbcIO BEAM-7230 and was recently discussed too in the context of the CassandraIO refactor: https://github.com/apache/beam/pull/10546#issuecomment-580619044



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