mirror of
https://github.com/ClusterCockpit/cc-backend
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62 lines
2.3 KiB
SQL
62 lines
2.3 KiB
SQL
-- Migration 11: Remove overly specific table indexes formerly used in sorting
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-- When one or two indexed columns are used, sorting usually is fast
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-- Reduces from ~78 indexes to 48 for better write performance,
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-- reduced disk usage, and more reliable query planner decisions.
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-- Requires ANALYZE to be run after migration (done automatically on startup).
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-- ============================================================
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-- Drop SELECTED existing job indexes (from migrations 08/09)
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-- sqlite_autoindex_job_1 (UNIQUE constraint) is kept automatically
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-- ============================================================
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-- Cluster+Partition Filter Sorting
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DROP INDEX IF EXISTS jobs_cluster_partition_numnodes;
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DROP INDEX IF EXISTS jobs_cluster_partition_numhwthreads;
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DROP INDEX IF EXISTS jobs_cluster_partition_numacc;
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DROP INDEX IF EXISTS jobs_cluster_partition_energy;
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-- Cluster+JobState Filter Sorting
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DROP INDEX IF EXISTS jobs_cluster_jobstate_numnodes;
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DROP INDEX IF EXISTS jobs_cluster_jobstate_numhwthreads;
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DROP INDEX IF EXISTS jobs_cluster_jobstate_numacc;
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DROP INDEX IF EXISTS jobs_cluster_jobstate_energy;
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-- Cluster+Shared Filter Sorting
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DROP INDEX IF EXISTS jobs_cluster_shared_numnodes;
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DROP INDEX IF EXISTS jobs_cluster_shared_numhwthreads;
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DROP INDEX IF EXISTS jobs_cluster_shared_numacc;
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DROP INDEX IF EXISTS jobs_cluster_shared_energy;
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-- User Filter Sorting
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DROP INDEX IF EXISTS jobs_user_numnodes;
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DROP INDEX IF EXISTS jobs_user_numhwthreads;
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DROP INDEX IF EXISTS jobs_user_numacc;
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DROP INDEX IF EXISTS jobs_user_energy;
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-- Project Filter Sorting
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DROP INDEX IF EXISTS jobs_project_numnodes;
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DROP INDEX IF EXISTS jobs_project_numhwthreads;
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DROP INDEX IF EXISTS jobs_project_numacc;
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DROP INDEX IF EXISTS jobs_project_energy;
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-- JobState Filter Sorting
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DROP INDEX IF EXISTS jobs_jobstate_numnodes;
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DROP INDEX IF EXISTS jobs_jobstate_numhwthreads;
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DROP INDEX IF EXISTS jobs_jobstate_numacc;
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DROP INDEX IF EXISTS jobs_jobstate_energy;
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-- Shared Filter Sorting
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DROP INDEX IF EXISTS jobs_shared_numnodes;
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DROP INDEX IF EXISTS jobs_shared_numhwthreads;
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DROP INDEX IF EXISTS jobs_shared_numacc;
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DROP INDEX IF EXISTS jobs_shared_energy;
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-- ArrayJob Filter
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DROP INDEX IF EXISTS jobs_cluster_arrayjobid_starttime;
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-- Backup Indices For High Variety Columns
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DROP INDEX IF EXISTS jobs_duration;
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-- Optimize DB index usage
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PRAGMA optimize;
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