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Include tablespace as a label for table metrics

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As this will make it easier to tell where space is going.
This commit is contained in:
Christopher Baines 2020-10-09 19:35:31 +01:00
parent 6023aa8caf
commit 3cb8ce51fc
2 changed files with 15 additions and 6 deletions
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9
guix-data-service/metrics.scm
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@ -38,6 +38,7 @@ WITH RECURSIVE pg_inherit(inhrelid, inhparent) AS (
WHERE inhparent NOT IN (SELECT inhrelid FROM pg_inherit)
)
SELECT table_name,
COALESCE(pg_tablespace.spcname,'default') AS tablespace,
row_estimate,
table_bytes,
index_bytes,
@ -48,6 +49,7 @@ FROM (
SELECT c.oid,
nspname AS table_schema,
relname AS table_name,
reltablespace AS tablespace_id,
SUM(c.reltuples) OVER (partition BY parent) AS row_estimate,
SUM(pg_total_relation_size(c.oid)) OVER (partition BY parent) AS total_bytes,
SUM(pg_indexes_size(c.oid)) OVER (partition BY parent) AS index_bytes,
@ -58,6 +60,7 @@ FROM (
reltuples,
relname,
relnamespace,
reltablespace,
pg_class.reltoastrelid,
COALESCE(inhparent, pg_class.oid) parent
FROM pg_class
@ -68,11 +71,13 @@ FROM (
) a
WHERE oid = parent
AND table_schema = 'guix_data_service'
) a;")
) a
LEFT JOIN pg_tablespace ON tablespace_id = pg_tablespace.oid")
(map (match-lambda
((name row-estimate table-bytes index-bytes toast-bytes)
((name tablespace row-estimate table-bytes index-bytes toast-bytes)
(list name
tablespace
(or (string->number row-estimate) 0)
(or (string->number table-bytes) 0)
(or (string->number index-bytes) 0)

12
guix-data-service/web/controller.scm
View file

@ -146,20 +146,24 @@
select-load-new-guix-revision-job-metrics)))
(for-each (match-lambda
((name row-estimate table-bytes index-bytes toast-bytes)
((name tablespace row-estimate
table-bytes index-bytes toast-bytes)
(metric-set table-row-estimate-metric
row-estimate
#:label-values `((name . ,name)))
(metric-set table-bytes-metric
table-bytes
#:label-values `((name . ,name)))
#:label-values `((name . ,name)
(tablespace . ,tablespace)))
(metric-set table-index-bytes-metric
index-bytes
#:label-values `((name . ,name)))
#:label-values `((name . ,name)
(tablespace . ,tablespace)))
(metric-set table-toast-bytes-metric
toast-bytes
#:label-values `((name . ,name)))))
#:label-values `((name . ,name)
(tablespace . ,tablespace)))))
metric-values)
(metric-set revisions-count-metric