curatenie spatiu

docs/curatenie-spatiu-oracle.sql

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+-- =====================================================================
+-- Curatenie spatiu Oracle -- server 10.0.20.121:1521, PDB ROA
+-- Motiv: ORA-65114 la INSERT in CONTAFIN_ORACLE.ISTORIC_CODURI_FISCALE
+-- Diagnostic: docs\diagnostic-ora-65114-spatiu.md
+--
+-- EXECUTAT pe 01-02.08.2026. Scriptul e pastrat ca fisa de interventie
+-- si ca sablon pentru urmatoarea curatenie. Contine corectiile aflate
+-- la rulare (vezi notele "ATENTIE").
+--
+-- Rulare:
+--   D:\ROA\instantclient_19_18\sqlplus.exe -L "sys/<parola>@ROA_CENTRAL as sysdba" @curatenie-spatiu-oracle.sql
+--
+-- ATENTIE GENERALA: liniile "prompt" NU trebuie sa se termine cu "---";
+-- sqlplus interpreteaza "--" ca inceput de comentariu si inghite
+-- instructiunea urmatoare (s-a intamplat: un truncate nu s-a executat,
+-- desi iesirea parea normala). Foloseste "prompt >> text".
+-- =====================================================================
+
+set lines 220 pages 500 feedback on timing on serveroutput on
+
+
+prompt >> STARE INITIALA
+alter session set container=CDB$ROOT;
+select con_id, name, open_mode, round(total_size/1024/1024/1024,2) gb_total from v$pdbs order by 1;
+select con_id, property_value max_pdb_storage from cdb_properties where property_name='MAX_PDB_STORAGE' order by 1;
+
+
+prompt >> PAS 1: ridicare plafon PDB ROA 5G -> 7G
+-- XE 21c permite 12 GB date de utilizator pe intreg CDB-ul; erau 5401 MB
+-- (ROA 3098 + ROA2 2298 + root 5). Plafoanele devin 7+5 = 12 G.
+-- Fara acest pas PDB-ul nu poate extinde NICI un fisier, nici UNDO,
+-- deci pasii urmatori ar putea esua.
+alter pluggable database ROA storage (maxsize 7G);
+
+
+alter session set container=ROA;
+prompt >> liber in tablespace ROA inainte (MB)
+select nvl(round(sum(bytes)/1024/1024,1),0) mb_liber from dba_free_space where tablespace_name='ROA';
+
+
+prompt >> PAS 2: MARIUSM_AUTO.XSERVER_LOG
+-- 1.752.814 randuri, toate din 2009-2011 (DATA_INCEPUT). Log mort, 152 MB.
+truncate table mariusm_auto.xserver_log drop storage;
+-- ATENTIE: "drop storage" NU a dezalocat extenturile (segmentul a ramas
+-- 152 MB / 5 extenturi cu tabela goala). Pasul care elibereaza efectiv:
+alter table mariusm_auto.xserver_log deallocate unused keep 0;
+
+
+prompt >> PAS 3: SOFT.ERRORS
+-- 678.430 randuri, 392 MB, nimic mai nou de 2023 (tabela nu mai e alimentata).
+-- Decizie Marius: golire completa.
+truncate table soft.errors drop storage;
+alter table soft.errors deallocate unused keep 0;
+--
+-- Varianta cu pastrare partiala (daca la o rulare viitoare tabela e activa):
+-- stergerea trebuie facuta IN LOTURI cu commit -- un DELETE monolitic pe
+-- ~665.000 randuri cere ~450 MB undo, iar UNDOTBS1 avea 222 MB liberi.
+-- declare
+--   n_lot pls_integer; n_total pls_integer := 0;
+-- begin
+--   loop
+--     delete from soft.errors where created_at < date '2020-01-01' and rownum <= 50000;
+--     n_lot := sql%rowcount; commit; n_total := n_total + n_lot;
+--     exit when n_lot = 0;
+--   end loop;
+--   dbms_output.put_line('sterse: ' || n_total);
+-- end;
+-- /
+-- alter table soft.errors enable row movement;
+-- alter table soft.errors shrink space cascade;
+-- alter table soft.errors disable row movement;
+
+
+prompt >> PAS 4: unified audit trail (SYSAUX)
+-- 64.351 inregistrari, 09.2025-07.2026, 409 MB. Se pastreaza ultimele 90 zile.
+-- ATENTIE: dbms_audit_mgmt.init_cleanup / is_cleanup_initialized dau
+-- ORA-46250 pentru AUDIT_TRAIL_UNIFIED intr-un PDB. Nu sunt necesare:
+-- set_last_archive_timestamp + clean_audit_trail functioneaza direct.
+begin
+  dbms_audit_mgmt.set_last_archive_timestamp(
+    audit_trail_type  => dbms_audit_mgmt.audit_trail_unified,
+    last_archive_time => systimestamp - 90);
+  dbms_audit_mgmt.clean_audit_trail(
+    audit_trail_type        => dbms_audit_mgmt.audit_trail_unified,
+    use_last_arch_timestamp => true);
+end;
+/
+
+
+prompt >> PAS 5: SQL Tuning Set automat SYS_AUTO_STS (SYSAUX)
+-- 23.263 instructiuni capturate automat. Artefact de diagnostic; XE nu are
+-- licenta Tuning Pack. Se goleste continutul, setul ramane.
+begin
+  dbms_sqltune.delete_sqlset(sqlset_name => 'SYS_AUTO_STS', sqlset_owner => 'SYS');
+end;
+/
+-- ATENTIE: segmentele SYS.WRI$_SQLSET_* NU pot fi micsorate dintr-un PDB
+--   alter table sys.wri$_sqlset_plan_lines shrink space  -> ORA-65040
+--   alter table ... modify lob (other_xml) (shrink space) -> ORA-10662
+-- Spatiul ramane alocat segmentului (reutilizabil de el), ~590 MB in SYSAUX.
+
+
+prompt >> PAS 6 (de rulat la >30 min dupa stergerile mari): micsorare UNDO
+-- Stergerile in loturi au umflat UNDOTBS1 de la 235 la 785 MB. Extenturile
+-- devin EXPIRED abia dupa expirarea UNDO_RETENTION; pana atunci resize da
+-- ORA-03297. Se reia periodic pana trece.
+declare
+  v_file varchar2(400);
+begin
+  select file_name into v_file from dba_data_files where tablespace_name='UNDOTBS1' and rownum=1;
+  for m in 1..8 loop
+    declare
+      v_mb number := 800 - m*70;
+    begin
+      execute immediate 'alter database datafile ''' || v_file || ''' resize ' || v_mb || 'M';
+      dbms_output.put_line('UNDO redimensionat la ' || v_mb || ' MB');
+      exit;
+    exception when others then
+      dbms_output.put_line(v_mb || ' MB -> ' || substr(sqlerrm,1,60));
+    end;
+  end loop;
+end;
+/
+
+
+prompt >> STARE FINALA
+select d.tablespace_name, round(sum(d.bytes)/1024/1024,0) mb_alocat,
+       nvl((select round(sum(f.bytes)/1024/1024,0) from dba_free_space f
+             where f.tablespace_name=d.tablespace_name),0) mb_liber
+  from dba_data_files d group by d.tablespace_name order by 2 desc;
+
+alter session set container=CDB$ROOT;
+select con_id, name, round(total_size/1024/1024/1024,2) gb_total from v$pdbs order by 1;
+exit