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--

-- File name: cs_sgastat_awr_report.sql

--

-- Purpose: SGA Pools History Report from AWR (include free memory)

--

-- Author: Carlos Sierra

--

-- Version: 2020/12/08

--

-- Usage: Execute connected to CDB

--

-- Enter range of dates.

--

-- Example: $ sqlplus / as sysdba

-- SQL> @cs_sgastat_awr_report.sql

--

-- Notes: Developed and tested on 12.1.0.2.

--

---------------------------------------------------------------------------------------

--

@@cs_internal/cs_primary.sql

--@@cs_internal/cs_cdb_warn.sql

@@cs_internal/cs_set.sql

@@cs_internal/cs_def.sql

@@cs_internal/cs_file_prefix.sql

--

DEF cs_script_name = 'cs_sgastat_awr_report';

DEF cs_hours_range_default = '336';

--

@@cs_internal/cs_sample_time_from_and_to.sql

@@cs_internal/cs_snap_id_from_and_to.sql

--

ALTER SESSION SET container = CDB$ROOT;

--

SELECT '&&cs_file_prefix._&&cs_script_name.' cs_file_name FROM DUAL;

--

@@cs_internal/cs_spool_head.sql

PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to."

@@cs_internal/cs_spool_id.sql

--

@@cs_internal/cs_spool_id_sample_time.sql

--

COL snap_id FOR 9999999 HEA 'Snap ID';

COL begin_time FOR A19 HEA 'Begin Time';

COL end_time FOR A19 HEA 'End Time';

COL pga_aggregate_target FOR 9,990.000 HEA 'PGA|Aggregate|Target';

COL sga_target FOR 9,990.0 HEA 'SGA|Target';

COL buffer_cache FOR 9,990.000 HEA 'Buffer|Cache';

COL log_buffer FOR 9,990.000 HEA 'Log|Buffer';

COL shared_io_pool FOR 9,990.000 HEA 'Shared|IO Pool';

COL fixed_sga FOR 9,990.000 HEA 'Fixed|SGA';

COL shared_pool FOR 9,990.000 HEA 'Shared|Pool';

COL shared_pool_free_memory FOR 9,990.000 HEA 'Shared|Pool|Free|Memory';

COL large_pool FOR 9,990.000 HEA 'Large|Pool';

COL large_pool_free_memory FOR 9,990.000 HEA 'Large|Pool|Free|Memory';

COL java_pool FOR 9,990.000 HEA 'Java|Pool';

COL java_pool_free_memory FOR 9,990.000 HEA 'Java|Pool|Free|Memory';

COL streams_pool FOR 9,990.000 HEA 'Streams|Pool';

COL streams_pool_free_memory FOR 9,990.000 HEA 'Streams|Pool|Free|Memory';

--

PRO

PRO Memory Pools (GBs)

PRO ~~~~~~~~~~~~~~~~~~

WITH

sgastat AS (

SELECT /*+ MATERIALIZE NO_MERGE */

snap_id,

ROUND(SUM(CASE WHEN name = 'buffer_cache' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) buffer_cache, -- see bug 18166499

ROUND(SUM(CASE WHEN name = 'log_buffer' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) log_buffer,

ROUND(SUM(CASE WHEN name = 'shared_io_pool' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_io_pool,

ROUND(SUM(CASE WHEN name = 'fixed_sga' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) fixed_sga,

ROUND(SUM(CASE WHEN pool = 'shared pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_pool, -- see bug 18166499

ROUND(SUM(CASE WHEN pool = 'shared pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_pool_free_memory,

ROUND(SUM(CASE WHEN pool = 'large pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) large_pool, -- see bug 18166499

ROUND(SUM(CASE WHEN pool = 'large pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) large_pool_free_memory,

ROUND(SUM(CASE WHEN pool = 'java pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) java_pool, -- see bug 18166499

ROUND(SUM(CASE WHEN pool = 'java pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) java_pool_free_memory,

ROUND(SUM(CASE WHEN pool = 'streams pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) streams_pool, -- see bug 18166499

ROUND(SUM(CASE WHEN pool = 'streams pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) streams_pool_free_memory

FROM dba_hist_sgastat

WHERE dbid = TO_NUMBER('&&cs_dbid.')

AND instance_number = TO_NUMBER('&&cs_instance_number.')

AND snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')

GROUP BY

snap_id

),

param AS (

SELECT /*+ MATERIALIZE NO_MERGE */

snap_id,

ROUND(SUM(CASE parameter_name WHEN '__db_cache_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) buffer_cache,

ROUND(SUM(CASE parameter_name WHEN '__shared_io_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) shared_io_pool,

ROUND(SUM(CASE parameter_name WHEN '__shared_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) shared_pool,

ROUND(SUM(CASE parameter_name WHEN '__large_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) large_pool,

ROUND(SUM(CASE parameter_name WHEN '__java_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) java_pool,

ROUND(SUM(CASE parameter_name WHEN '__streams_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) streams_pool,

ROUND(SUM(CASE parameter_name WHEN '__sga_target' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) sga_target,

ROUND(SUM(CASE parameter_name WHEN '__pga_aggregate_target' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) pga_aggregate_target

FROM dba_hist_parameter

WHERE dbid = TO_NUMBER('&&cs_dbid.')

AND instance_number = TO_NUMBER('&&cs_instance_number.')

AND snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')

AND parameter_name IN ('__db_cache_size', '__java_pool_size', '__large_pool_size', '__pga_aggregate_target', '__sga_target', '__shared_io_pool_size', '__shared_pool_size', '__streams_pool_size')

GROUP BY

snap_id

),

my_query AS (

SELECT /*+ MATERIALIZE NO_MERGE */

s.snap_id,

CAST(s.begin_interval_time AS DATE) begin_time,

CAST(s.end_interval_time AS DATE) end_time,

p.pga_aggregate_target,

p.sga_target,

p.buffer_cache,

p.shared_pool,

p.large_pool,

p.java_pool,

p.streams_pool,

p.shared_io_pool,

t.shared_pool_free_memory,

t.large_pool_free_memory,

t.java_pool_free_memory,

t.streams_pool_free_memory

FROM dba_hist_snapshot s,

sgastat t,

param p

WHERE s.dbid = TO_NUMBER('&&cs_dbid.')

AND s.instance_number = TO_NUMBER('&&cs_instance_number.')

AND s.snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')

AND t.snap_id = s.snap_id

AND p.snap_id = s.snap_id

)

SELECT end_time,

pga_aggregate_target,

sga_target,

buffer_cache,

shared_pool,

large_pool,

java_pool,

streams_pool,

shared_io_pool,

shared_pool_free_memory,

large_pool_free_memory,

java_pool_free_memory,

streams_pool_free_memory

FROM my_query

ORDER BY

snap_id

/

--

PRO

PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to."

--

@@cs_internal/cs_spool_tail.sql

--

ALTER SESSION SET CONTAINER = &&cs_con_name.;

--

@@cs_internal/cs_undef.sql

@@cs_internal/cs_reset.sql

--