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Notifications_

Overview

Once your panel is enabled, you will notice several types of notifications.

The notification panel is the section that will provide suggestions to optimize your cluster.

How to access it?

  • In the Cluster View screen


  • In the dashboard of the Data View screen



Notifications are organized into 3 groups: INFOS, WARNING, and DANGER

Each notification comes with a way to address the issue.

By clicking on a notification, you will be able to see the details and a button to address it.




TypeNameDescription
INFOLIMITED_TABLEDisplay limited tables that should be converted into fact tables to reduce the memory consumption
WARNINGOPTIMIZE_TABLEDisplay when a table has a percentage of queries using the main index only. You should run the optimizer to create new indexes
WARNING / DANGERINDEX_SIZE

Display when an index size is approaching index.memory.max_size.mb. Two thresholds, in notifications.json, define the gravity of the notification.

WARNING / DANGERTABLE_SIZEDisplay when table size is approaching table.memory.max_size.mb. Two thresholds, in notifications.json, define the gravity of the notification.
DANGERINTEGRITY_CHECKDisplay tables that are corrupted and can't be restored.
WARNINGNEED_COMPACTIONDisplay tables that need an ALTER TABLE COMPACT because of shadow rows, provoked during multiple DELETE / LOAD operations.
INFODEPRECATED_PARAMETERDisplay parameters in galactica.conf which are deprecated. These parameters will be removed in future versions.
INFOUNUSED_INDEXDisplay indexes which aren't been used for 30 days. They could be removed to reduce memory/disk spaces.
INFOEXTERNAL_TABLE_WITHOUT_INDEXDisplay external tables without any indexes, meaning that all queries will be delegated to the underlying database.
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