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  1. PuppetDB
  2. PDB-4640

Add a file index to catalog_resources for CD4PE Impact Analysis

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    • PuppetDB
    • New Feature
    • Hide
      If you have the PostgreSQL extension pg_trgm configured, adds an index on the catalog_resources table's file column.

      In a separate release notes entry, we have deprecated running PostgreSQL without the pg_trgm extension
      Show
      If you have the PostgreSQL extension pg_trgm configured, adds an index on the catalog_resources table's file column. In a separate release notes entry, we have deprecated running PostgreSQL without the pg_trgm extension
    • Needs Assessment

    Description

      As seen in CDPE-2850, CD4PE's impact analysis puts a great deal of stress on the catalog_resources table doing selects against the file row. We have seen in customer cases that performance can be greatly improved if an index is added and autovacuum frequency is increased:

      CREATE INDEX catalog_resources_file_idx on catalog_resources USING gin (file gin_trgm_ops) WHERE file IS NOT NULL;
      		 
      ALTER TABLE catalog_resources SET (autovacuum_analyze_scale_factor = 0.01);
      		 
      ALTER INDEX catalog_resources_file_idx SET (fastupdate=false);

      I do not see much downside to these changes being the default.

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          causes

          Improvement - An improvement or enhancement to an existing feature or task. PDB-5599 Remove catalog resources pg_trgm index on file path

          • Normal - Regular issue, some loss of functionality under specific circumstances.
          • Open
          relates to

          Improvement - An improvement or enhancement to an existing feature or task. PDB-4673 Provide a PQL operator that uses LIKE rather than a regex match

          • Normal - Regular issue, some loss of functionality under specific circumstances.
          • Closed

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            People

              austin.blatt Austin Blatt
              adam.bottchen Adam Bottchen
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              Dates

                Created:
                Updated:
                Resolved:

                Zendesk Support