2017-12-28 13 views

Antwort

0

Sie können eine Liste der internen Tabellen in "WLM Systemtabellen und Views" http://docs.aws.amazon.com/redshift/latest/dg/cm-c-wlm-system-tables-and-views.html

Diese Abfrage fasst Dinge finden:

SELECT 
     wlm.service_class      queue 
    , TRIM(wlm.name)      queue_name 
    , LISTAGG(TRIM(cnd.condition), ', ') condition 
    , wlm.num_query_tasks     query_concurrency 
    , wlm.query_working_mem     per_query_memory_mb 
    , ROUND(((wlm.num_query_tasks * wlm.query_working_mem)::NUMERIC/mem.total_mem::NUMERIC) * 100, 0)::INT cluster_memory_pct 
    , wlm.max_execution_time 
    , wlm.user_group_wild_card 
    , wlm.query_group_wild_card 
FROM stv_wlm_service_class_config wlm 
JOIN stv_wlm_classification_config cnd ON wlm.service_class = cnd.action_service_class 
CROSS JOIN (SELECT SUM(num_query_tasks * query_working_mem) total_mem 
      FROM pg_catalog.stv_wlm_service_class_config 
      WHERE service_class > 5) mem 
WHERE wlm.service_class > 5 
GROUP BY wlm.service_class, TRIM(wlm.name), wlm.num_query_tasks, wlm.query_working_mem, mem.total_mem, 
    wlm.max_execution_time, wlm.user_group_wild_card, wlm.query_group_wild_card 
ORDER BY 1 
; 

Ausgabe

queue | queue_name | condition  | query_concurrency | per_query_memory_mb | cluster_memory_pct | max_execution_time | user_group_wild_card | query_group_wild_card 
-------+------------------+------------------+-------------------+---------------------+--------------------+--------------------+----------------------+----------------------- 
    6 | Service class #1 | (querytype: any) |     5 |    1208 |    100 |     0 | false    | false 
(1 row) 
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