added sga and pga diagnostics and db parameters

2024-11-29 04:59:34 -05:00 · 2024-11-29 04:59:34 -05:00 · 68057dd986
commit 68057dd986
parent b1ffd59111
4 changed files with 300 additions and 5 deletions
--- a/src/config.json
+++ b/src/config.json
@ -20,6 +20,17 @@
            "type": "command",
            "content": "output=$(/opt/ticket-ai/src/scripts/db_version_info.sh) && echo \"$output\""
        },
+        {
+            "tag": "pga_diagnostics",
+            "type": "command",
+            "content": "output=$(/opt/ticket-ai/src/scripts/pga_diagnostics.sh) && echo \"$output\""
+        },
+        {
+            "tag": "sga_diagnostics",
+            "type": "command",
+            "content": "output=$(/opt/ticket-ai/src/scripts/sga_diagnostics.sh) && echo \"$output\""
+        },
+
        {
            "tag": "apex_usage",
            "type": "command",
@ -45,6 +56,11 @@
            "type": "command",
            "content": "output=$(/opt/ticket-ai/src/scripts/topRedoSQL.sh) && echo \"$output\""
        },
+        {
+            "tag": "dbparameters",
+            "type": "command",
+            "content": "output=$(/opt/ticket-ai/src/scripts/showdbparameter.sh) && echo \"$output\""
+        },
        {
            "tag": "top",
            "type": "command",
--- a/src/scripts/pga_diagnostics.sh
+++ b/src/scripts/pga_diagnostics.sh
@ -0,0 +1,139 @@
+#!/bin/bash
+
+# High PGA-Consuming Sessions
+echo "=== High PGA-Consuming Sessions and SQL Statements ==="
+echo "This query shows sessions and SQL statements consuming the most PGA memory, with values in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN USERNAME FORMAT A20
+COLUMN MODULE FORMAT A30
+COLUMN PGA_ALLOC_MB FORMAT 99999.99
+COLUMN PGA_USED_MB FORMAT 99999.99
+COLUMN SQL_TEXT FORMAT A50
+
+SELECT
+    s.SID,
+    s.SERIAL#,
+    s.USERNAME,
+    s.MODULE,
+    ROUND(p.PGA_ALLOC_MEM / 1024 / 1024, 2) AS PGA_ALLOC_MB,
+    ROUND(p.PGA_USED_MEM / 1024 / 1024, 2) AS PGA_USED_MB,
+    q.SQL_TEXT
+FROM
+    V\\\$SESSION s
+JOIN
+    V\\\$PROCESS p
+ON
+    s.PADDR = p.ADDR
+LEFT JOIN
+    V\\\$SQL q
+ON
+    s.SQL_ID = q.SQL_ID
+WHERE
+    p.PGA_ALLOC_MEM > (SELECT VALUE FROM V\\\$PGASTAT WHERE NAME = 'total PGA allocated') / 10
+ORDER BY
+    p.PGA_ALLOC_MEM DESC;
+EOF
+"
+
+# PGA Usage Overview
+echo "=== PGA Usage Overview ==="
+echo "This query provides a summary of current PGA usage statistics, with values in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN NAME FORMAT A40
+COLUMN VALUE_MB FORMAT 999999.99
+
+SELECT 
+    NAME, 
+    ROUND(VALUE / 1024 / 1024, 2) AS VALUE_MB 
+FROM 
+    V\\\$PGASTAT
+WHERE 
+    NAME IN ('total PGA allocated', 'total PGA inuse', 
+             'maximum PGA allocated', 'over allocation count');
+EOF
+"
+
+# Sessions Using Temporary Tablespace
+echo "=== Sessions Using Temporary Tablespace ==="
+echo "This query identifies sessions that are spilling to temporary tablespaces, with values in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN USERNAME FORMAT A20
+COLUMN TABLESPACE FORMAT A20
+COLUMN TEMP_MB FORMAT 99999.99
+
+SELECT 
+    s.SID, 
+    s.SERIAL#, 
+    s.USERNAME, 
+    tsu.TABLESPACE, 
+    ROUND(tsu.BLOCKS * (SELECT VALUE FROM V\\\$PARAMETER WHERE NAME = 'db_block_size') / 1024 / 1024, 2) AS TEMP_MB
+FROM 
+    V\\\$SESSION s
+JOIN 
+    V\\\$TEMPSEG_USAGE tsu 
+ON 
+    s.SID = tsu.SESSION_NUM
+ORDER BY 
+    TEMP_MB DESC;
+EOF
+"
+
+# Active Sessions Using Large Work Areas
+echo "=== Active Sessions Using Large Work Areas ==="
+echo "This query lists sessions using significant PGA memory for sorts, hash joins, or other large work areas."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN SID FORMAT 99999
+COLUMN OPERATION_TYPE FORMAT A20
+COLUMN WORK_AREA_SIZE_MB FORMAT 99999.99
+COLUMN ACTUAL_MEM_USED_MB FORMAT 99999.99
+COLUMN NUMBER_PASSES FORMAT 99999
+
+SELECT 
+    SID, 
+    OPERATION_TYPE, 
+    ROUND(WORK_AREA_SIZE / 1024 / 1024, 2) AS WORK_AREA_SIZE_MB, 
+    ROUND(ACTUAL_MEM_USED / 1024 / 1024, 2) AS ACTUAL_MEM_USED_MB, 
+    NUMBER_PASSES
+FROM 
+    V\\\$SQL_WORKAREA_ACTIVE
+WHERE 
+    ACTUAL_MEM_USED > 0
+ORDER BY 
+    ACTUAL_MEM_USED_MB DESC;
+EOF
+"
+
+# Top Resource-Consuming SQL Statements
+echo "=== Top Resource-Consuming SQL Statements ==="
+echo "This query highlights the SQL statements with the highest disk reads, buffer gets, and elapsed times, all in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN SQL_ID FORMAT A15
+COLUMN DISK_READS_MB FORMAT 99999.99
+COLUMN BUFFER_GETS_MB FORMAT 999999.99
+COLUMN ELAPSED_TIME_SEC FORMAT 99999.99
+COLUMN SQL_TEXT FORMAT A50
+
+SELECT 
+    SQL_ID, 
+    ROUND(DISK_READS / 1024 / 1024, 2) AS DISK_READS_MB, 
+    ROUND(BUFFER_GETS / 1024 / 1024, 2) AS BUFFER_GETS_MB, 
+    ROUND(ELAPSED_TIME / 1000000, 2) AS ELAPSED_TIME_SEC, 
+    SQL_TEXT 
+FROM 
+    V\\\$SQL 
+WHERE 
+    DISK_READS > 100 
+ORDER BY 
+    DISK_READS DESC FETCH FIRST 10 ROWS ONLY;
+EOF
+"
--- a/src/scripts/sga_diagnostics.sh
+++ b/src/scripts/sga_diagnostics.sh
@ -0,0 +1,110 @@
+#!/bin/bash
+
+# Overall SGA Usage
+echo "=== Overall SGA Usage ==="
+echo "This query shows the sizes of all major SGA components (e.g., buffer cache, shared pool, redo log) in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN NAME FORMAT A40
+COLUMN VALUE_MB FORMAT 999999999.99
+
+SELECT 
+    NAME, 
+    ROUND(BYTES / 1024 / 1024, 2) AS VALUE_MB 
+FROM 
+    V\\\$SGAINFO;
+EOF
+"
+
+# Shared Pool Usage
+echo "=== Shared Pool Usage ==="
+echo "This query provides details on the shared pool memory usage (session memory, UGA, shared pool) in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN NAME FORMAT A40
+COLUMN VALUE_MB FORMAT 9999999.99
+
+SELECT 
+    NAME, 
+    ROUND(VALUE / 1024 / 1024, 2) AS VALUE_MB 
+FROM 
+    V\\\$SYSSTAT 
+WHERE 
+    NAME LIKE 'session%memory%' 
+    OR NAME LIKE 'session uga memory%' 
+    OR NAME LIKE 'shared pool%';
+EOF
+"
+
+# Buffer Cache Statistics
+echo "=== Buffer Cache Statistics ==="
+echo "This query shows buffer cache usage and performance metrics, including logical and physical reads."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN NAME FORMAT A40
+COLUMN VALUE FORMAT 9999999.99
+
+SELECT 
+    NAME, 
+    ROUND(VALUE / 1024 / 1024, 2) AS VALUE_MB 
+FROM 
+    V\\\$SYSSTAT 
+WHERE 
+    NAME LIKE 'physical reads%' 
+    OR NAME LIKE 'buffer%' 
+    OR NAME LIKE 'cache%';
+EOF
+"
+
+# Library Cache Usage
+echo "=== Library Cache Usage ==="
+echo "This query analyzes memory usage in the library cache, focusing on SQL and PL/SQL execution and reload rates."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN NAMESPACE FORMAT A25
+COLUMN GETS FORMAT 999999999
+COLUMN PINS FORMAT 999999999
+COLUMN RELOADS FORMAT 999999999
+COLUMN PIN_HIT_RATIO FORMAT 999.99
+
+SELECT 
+    NAMESPACE, 
+    ROUND(GETS / 1024 / 1024, 2) AS GETS_MB,
+    ROUND(PINS / 1024 / 1024, 2) AS PINS_MB,
+    ROUND(RELOADS / 1024 / 1024, 2) AS RELOADS_MB,
+    ROUND((PINS - RELOADS) / DECODE(PINS, 0, 1, PINS) * 100, 2) AS PIN_HIT_RATIO
+FROM 
+    V\\\$LIBRARYCACHE
+ORDER BY 
+    PINS DESC;
+EOF
+"
+
+# Top SQL Area Memory Consumers
+echo "=== Top SQL Area Memory Consumers ==="
+echo "This query lists SQL statements that consume the most memory in the shared pool, with disk reads and buffer gets in MB."
+su - oracle -s /bin/bash -c "
+sqlplus -s / as sysdba <<EOF
+SET LINESIZE 200
+COLUMN SQL_TEXT FORMAT A80
+COLUMN PARSE_CALLS FORMAT 9999999
+COLUMN DISK_READS_MB FORMAT 9999999.99
+COLUMN BUFFER_GETS_MB FORMAT 9999999.99
+
+SELECT 
+    SQL_TEXT, 
+    PARSE_CALLS, 
+    ROUND(DISK_READS / 1024 / 1024, 2) AS DISK_READS_MB, 
+    ROUND(BUFFER_GETS / 1024 / 1024, 2) AS BUFFER_GETS_MB 
+FROM 
+    V\\\$SQLAREA 
+WHERE 
+    BUFFER_GETS > 10000 
+ORDER BY 
+    BUFFER_GETS DESC FETCH FIRST 10 ROWS ONLY;
+EOF
+"
--- a/src/scripts/showdbparameter.sh
+++ b/src/scripts/showdbparameter.sh
@ -11,12 +11,42 @@ chown oracle $OUTPUT_FILE
 su - oracle -s /bin/bash -c "
    sqlplus -s / as sysdba <<EOF >> \"$OUTPUT_FILE\"
    whenever sqlerror exit sql.sqlcode;
-    set echo on
-    set heading on
-    set linesize 150
-    set pagesize 100

-    show parameters;
+    -- Set SQL*Plus Formatting
+    SET LINESIZE 200
+    SET PAGESIZE 50
+    COLUMN parameter_name FORMAT A35
+    COLUMN current_value FORMAT A25
+    COLUMN is_default FORMAT A12
+    COLUMN is_sys_modifiable FORMAT A18
+    COLUMN description FORMAT A80
+
+    -- SQL Query for Important Parameters
+    SELECT 
+        name AS parameter_name,
+        value AS current_value,
+        isdefault AS is_default,
+        issys_modifiable AS is_sys_modifiable,
+        description
+    FROM 
+        v\\\$parameter
+    WHERE 
+        name IN (
+            -- Memory Management
+            'sga_target', 'sga_max_size', 'pga_aggregate_target', 'memory_target', 
+            'memory_max_target', 'db_cache_size', 'shared_pool_size', 'large_pool_size', 
+            'log_buffer',
+            -- Sessions and Processes
+            'sessions', 'processes', 'transactions',
+            -- Cursors
+            'open_cursors', 'session_cached_cursors', 'cursor_sharing',
+            -- Redo and Logs
+            'log_checkpoint_interval', 'log_checkpoint_timeout', 'log_buffer',
+            -- Other Important Performance Parameters
+            'db_block_size', 'optimizer_mode', 'parallel_max_servers'
+        )
+    ORDER BY name;
+

    exit;
 EOF