Optimize the master_index_stats view

Signed-off-by: Graham <gpe@openrs2.org>
bzip2
Graham 3 years ago
parent 26c6ad21e3
commit 046ccbc2c9
  1. 8
      archive/src/main/kotlin/org/openrs2/archive/cache/CacheImporter.kt
  2. 65
      archive/src/main/resources/org/openrs2/archive/migrations/V7__opt_view.sql

@ -860,6 +860,14 @@ public class CacheImporter @Inject constructor(
public suspend fun refreshViews() {
database.execute { connection ->
connection.prepareStatement(
"""
REFRESH MATERIALIZED VIEW CONCURRENTLY index_stats
""".trimIndent()
).use { stmt ->
stmt.execute()
}
connection.prepareStatement(
"""
REFRESH MATERIALIZED VIEW CONCURRENTLY master_index_stats

@ -0,0 +1,65 @@
-- @formatter:off
CREATE MATERIALIZED VIEW index_stats (
archive_id,
container_id,
valid_groups,
groups,
valid_keys,
keys,
size,
blocks
) AS
SELECT
g.group_id AS archive_id,
i.container_id,
COUNT(*) FILTER (WHERE c.id IS NOT NULL) AS valid_groups,
COUNT(*) AS groups,
COUNT(*) FILTER (WHERE c.encrypted AND (c.key_id IS NOT NULL OR c.empty_loc)) AS valid_keys,
COUNT(*) FILTER (WHERE c.encrypted) AS keys,
SUM(length(c.data)) FILTER (WHERE c.id IS NOT NULL) AS size,
SUM(group_blocks(ig.group_id, length(c.data))) FILTER (WHERE c.id IS NOT NULL) AS blocks
FROM indexes i
JOIN groups g ON g.container_id = i.container_id AND g.archive_id = 255 AND NOT g.version_truncated AND
g.version = i.version
JOIN index_groups ig ON ig.container_id = i.container_id
LEFT JOIN resolve_group(g.group_id::uint1, ig.group_id, ig.crc32, ig.version) c ON TRUE
GROUP BY g.group_id, i.container_id;
CREATE UNIQUE INDEX ON index_stats (container_id);
CREATE MATERIALIZED VIEW master_index_stats_new (
master_index_id,
valid_indexes,
indexes,
valid_groups,
groups,
valid_keys,
keys,
size,
blocks
) AS
SELECT
m.id,
COUNT(*) FILTER (WHERE c.id IS NOT NULL OR (a.version = 0 AND a.crc32 = 0)) AS valid_indexes,
COUNT(*) FILTER (WHERE a.master_index_id IS NOT NULL) AS indexes,
SUM(COALESCE(s.valid_groups, 0)) AS valid_groups,
SUM(COALESCE(s.groups, 0)) AS groups,
SUM(COALESCE(s.valid_keys, 0)) AS valid_keys,
SUM(COALESCE(s.keys, 0)) AS keys,
SUM(COALESCE(s.size, 0)) + SUM(COALESCE(length(c.data), 0)) AS size,
SUM(COALESCE(s.blocks, 0)) + SUM(COALESCE(group_blocks(a.archive_id, length(c.data)), 0)) AS blocks
FROM master_indexes m
LEFT JOIN master_index_archives a ON a.master_index_id = m.id
LEFT JOIN resolve_index(a.archive_id, a.crc32, a.version) c ON TRUE
LEFT JOIN index_stats s ON s.archive_id = a.archive_id AND s.container_id = c.id
GROUP BY m.id;
CREATE UNIQUE INDEX ON master_index_stats_new (master_index_id);
ALTER MATERIALIZED VIEW master_index_stats RENAME TO master_index_stats_old;
ALTER INDEX master_index_stats_master_index_id_idx RENAME TO master_index_stats_old_master_index_id_idx;
ALTER MATERIALIZED VIEW master_index_stats_new RENAME TO master_index_stats;
ALTER INDEX master_index_stats_new_master_index_id_idx RENAME TO master_index_stats_master_index_id_idx;
DROP MATERIALIZED VIEW master_index_stats_old;
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