如何诊断cursorpinswaitonx系列二

NB

Bug

Fixed

Description

5650841

Hang / deadlock from ANALYZE of cluster index

16191248

12.1.0.1.1, 12.1.0.2, 12.2.0.0

Hang from concurrent drop of on-commit materialized views or using DBMS_REDEFINITION

14295250

11.2.0.4, 12.1.0.1

Long parse time for large query with many nested views due to much time in epxression analysis code

14191508

11.2.0.3.8, 11.2.0.3.BP16, 11.2.0.4, 12.1.0.1

Slow row cache load due to SEG$ and INDSUBPART$ queries

14176247

11.2.0.4, 12.1.0.1

Many child cursors using Adaptive Cursor Sharing with binds (due to BIND_EQUIV_FAILURE)

182923

12.1.0.2, 12.2.0.0

Jobs don't execute per schedule with a large number of PDBs

18018515

12.2.0.0

High CPU in qctHasFakeBind (can cause 'cursor: pin S wait on X' waits)

148569

11.2.0.4, 12.1.0.2, 12.2.0.0

PQ hang/deadlock possible - "cursor: pin S wait on X" waits

100122

12.2.0.0

Spikes in library cache mutex contention for SQL using SQL Plan Baseline

15850031

11.2.0.4, 12.2.0.0

Rare instance hang: deadlock between 'row cache lock' and 'cursor: pin S wait for X'

14469756

12.2.0.0

Partition pruning causes delay in TBL$OR$IDX$PART$NUM

14302813

11.2.0.4, 12.2.0.0

QC blocked / parse hang for parallel DML executed from remote stored procedure

140291

11.2.0.4, 12.1.0.1

mutex deadlock having SQL baselines on recursive dictionary cursor

11927619

11.2.0.1.BP11, 11.2.0.2.BP07, 11.2.0.3, 12.1.0.1

DBMS_STATS slow on interval composite partitions

11855965

11.2.0.3, 12.1.0.1

Truncate partition takes long time doing recursive delete on MLOG$

10213073

11.2.0.2.8, 11.2.0.2.BP18, 11.2.0.3, 12.1.0.1

CREATE SYNONYM and CREATE PACKAGE may incorrectly invalidate objects

10171273

11.2.0.2.8, 11.2.0.2.BP08, 11.2.0.3, 12.1.0.1

Long parse time with non-equi subpartitioning under interval partitioning

9944129

11.2.0.1.BP12, 11.2.0.2, 12.1.0.1

SQL not shared due to INST_DRTLD_MISMATCH with global transaction

9935787

11.2.0.3, 12.1.0.1

Long parse time for large inlists - can cause 'cursor: pin S wait on X' waits

9694101

10.2.0.5.7, 11.2.0.2, 12.1.0.1

Hang / deadlock between "cursor: pin S wait on X" and "library cache lock" involving dictionary objects

9499302

10.2.0.5.5, 11.1.0.7.7, 11.2.0.1.BP08, 11.2.0.2, 12.1.0.1

Improve concurrent mutex request handling

9472669

11.2.0.1.BP12, 11.2.0.2, 12.1.0.1

'cursor: pin S wait on X' waits for invalid SQL over DB link

8508078

11.2.0.2, 12.1.0.1

Contention from many concurrent bad SQLs - superseded

124320

11.2.0.3

library cache lock/cursor: pin S wait on X with parallel partition stats gathering

8441239

11.2.0.1

Library cache lock waits if long running TRUNCATE in progress

83484

11.1.0.7.2, 11.2.0.1

CREATE SYNONYM and CREATE PACKAGE may incorrectly invalidate objects

7234778

11.2.0.1

Unnecessary "cursor: pin S wait on X" waits

5485914

10.2.0.4

Mutex self deadlock on explain / trace of remote mapped SQL

6143420

10.2.0.5, 11.1.0.6

Deadlock involving "ROW CACHE LOCK" on dc_users AND "CURSOR: PIN S WAIT ON X"

6011045

10.2.0.5.5

DBMS_STATS causes deadlock between 'cursor: pin S wait on X' and 'library cache lock'

7462072

10.2.0.4.3, 10.2.0.5

Unnecessary "cursor: pin S wait on X" waits

5983020

10.2.0.4

MMON deadlock with user session executing ALTER USER

72263

10.2.0.5

EXECUTE IMMEDIATE no releasing mutex or library cache pin

+

5907779

10.2.0.4

Self deadlock hang on "cursor: pin S wait on X" (typically from DBMS_STATS)