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Table growth of non-partitioned column-store tables: HANA Alert ID 20

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Table growth of non-partitioned column-store tables: HANA Alert ID 20
Stechies

We want to resolve the total memory size for table growth of non-partitioned column table but we are receiving the HANA alert ‘Table growth of non-partitioned column-store tables’ (Alert ID 20 - Table growth of non-partitioned column-store tables).

Solution:

you are getting this hana alert because of the following:

  • The column table is not partitioned.
  • The column table has a significant growth over the last hour.
  • Initial load of data into HANA system.

To resolve this issue please do as following:

Complementary to the steps below it is recommended to define required communication between basis teams and application/end-user teams on:

  • Communication of  schedule and data volume of planned data loads
  • Communication of authorization in case a load has to be terminated

Read here: Handling HANA Alerts And how it is related to SQL Plan Cache?

Please follow the below procedure:

  • Please Check Alerts
  • Please Check column store memory size in total
  • Optimize Table Partitioning
  • Consider to split the column table into partitions.

Please follow the below path: 

  • SAP HANA Studio - SAP HANA Administration Console – Alerts
  • SAP HANA Studio - SAP HANA Administration Console – Open SQL Command
  • SAP HANA Studio - SAP HANA Administration Console – Landscape  – Redistribution
  • SAP HANA Studio - SAP HANA Administration Console – Performance -  SQL Plan Cache

Please refer to the attached document for more detail


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