SQL> SELECT *
FROM (SELECT name, version FROM shared_latches
) PIVOT ( max('X') FOR (version) IN
('8.0.6.3.0','8.1.7.4.0','9.2.0.8.0', '10.1.0.5.0','10.2.0.4.0','11.1.0.7.0','11.2.0.2.0'))
order by name;
NAME |
8.0.6.3.0 |
8.1.7.4.0 |
9.2.0.8.0 |
10.1.0.5.0 |
10.2.0.4.0 |
11.1.0.7.0 |
11.2.0.2.0 |
AQ Propagation Scheduling Proc Table |
|
X |
X |
X |
X |
X |
X |
AQ Propagation Scheduling System Load |
|
X |
X |
X |
X |
X |
X |
Change Notification Hash table latch |
|
|
|
|
X |
X |
X |
Event Group Locks |
|
|
|
|
|
X |
X |
In memory undo latch |
|
|
|
|
X |
X |
X |
JOX JIT latch |
|
|
|
|
|
X |
X |
JOX SGA heap latch |
|
X |
X |
X |
X |
X |
X |
JS Sh mem access |
|
|
|
|
X |
X |
X |
KCL gc element parent latch |
|
|
|
X |
X |
|
|
KTF sga enqueue |
|
|
|
X |
|
|
|
KTF sga latch |
|
|
|
|
X |
X |
X |
KWQMN job cache list latch |
|
|
|
X |
X |
X |
X |
KWQMN job instance list latch |
|
|
|
X |
|
|
|
KWQMN to-be-Stopped Buffer list Latch |
|
|
|
|
X |
X |
X |
KWQP Prop Status |
|
|
X |
X |
X |
X |
X |
KWQS pqsubs latch |
|
|
|
|
|
X |
X |
KWQS pqueue ctx latch |
|
|
|
|
|
X |
X |
Memory Management Latch |
|
|
|
X |
X |
X |
X |
Memory Queue |
|
|
|
X |
X |
X |
X |
Memory Queue Subscriber |
|
|
|
X |
X |
X |
X |
MinActiveScn Latch |
|
|
|
|
|
X |
X |
ODM-NFS:Global file structure |
|
|
|
|
|
X |
X |
OLS label cache |
|
|
|
X |
X |
X |
X |
PL/SQL warning settings |
|
|
|
X |
X |
X |
X |
Policy Hash Table Latch |
|
|
|
X |
X |
X |
X |
Policy Refresh Latch |
|
|
|
X |
X |
X |
X |
Result Cache: Latch |
|
|
|
|
|
X |
|
Result Cache: RC Latch |
|
|
|
|
|
|
X |
Role grants to users |
|
|
|
|
|
X |
X |
Role graph |
|
|
|
|
|
X |
X |
SGA blob lock |
|
|
|
|
|
X |
X |
SGA heap creation lock |
|
|
|
|
|
X |
X |
SGA mapping latch |
|
|
X |
X |
X |
X |
X |
SGA pool creation lock |
|
|
|
|
|
X |
X |
SGA table lock |
|
|
|
|
|
X |
X |
Sage HT Latch |
|
|
|
|
|
X |
X |
Security Class Hashtable |
|
|
|
|
|
X |
X |
Shared B-Tree |
|
|
|
X |
X |
X |
X |
WCR: processes HT |
|
|
|
|
|
|
X |
WCR: sync |
|
|
|
|
|
|
X |
XDB Byte Lock SGA Latch |
|
|
|
|
|
X |
X |
XDB Mcache SGA Latch |
|
|
|
|
|
X |
X |
XDB NFS Stateful SGA Latch |
|
|
|
|
|
X |
X |
active service list |
|
|
|
X |
X |
X |
X |
bq:time manger info latch |
|
|
|
|
X |
X |
X |
browsers latch |
|
|
X |
|
|
|
|
buffer pool |
|
|
X |
X |
X |
X |
X |
bufq statistics |
|
|
|
X |
X |
X |
X |
cache buffers chains |
|
|
X |
X |
X |
X |
X |
change notification client cache latch |
|
|
|
|
|
X |
X |
channel handle pool latch |
|
X |
X |
X |
X |
X |
X |
channel operations parent latch |
|
X |
X |
X |
X |
X |
X |
client/application info |
|
|
|
X |
X |
X |
X |
compile environment latch |
|
|
|
X |
X |
X |
X |
domain validation update latch |
|
|
|
|
|
X |
X |
fifth spare latch |
|
|
|
|
|
X |
X |
fourth Audit Vault latch |
|
|
|
|
|
|
X |
fourth spare latch |
|
|
|
|
|
X |
X |
gc element |
|
|
|
|
|
X |
X |
gcr global ctx |
|
|
|
|
|
|
X |
gcs partitioned table hash |
|
|
X |
X |
X |
X |
X |
gcs pcm hashed value bucket hash |
|
|
X |
X |
X |
X |
X |
gcs remastering latch |
|
|
|
|
X |
X |
X |
global KZLD latch for mem in SGA |
|
|
|
X |
X |
X |
X |
global ctx hash table latch |
|
|
X |
X |
X |
X |
X |
hash table column usage latch |
|
|
X |
X |
X |
X |
X |
hash table dml freq tracking latch |
|
|
|
|
|
|
X |
instance information |
|
|
|
X |
X |
X |
X |
kcbtsemkid latch |
|
|
|
|
|
|
X |
kdlx hb parent latch |
|
|
|
|
|
X |
X |
kgb latch |
|
|
|
|
|
X |
X |
ksim group membership cache |
|
|
|
|
|
|
X |
kssmov protection latch |
|
|
|
|
|
X |
X |
kwqbsn:qsga |
|
|
|
X |
X |
X |
X |
library cache hash chains |
|
|
|
X |
X |
|
|
lob segment dispenser latch |
|
|
|
|
|
X |
X |
lob segment hash table latch |
|
|
|
|
|
X |
X |
lob segment query latch |
|
|
|
|
|
X |
X |
message pool operations parent latch |
|
X |
X |
X |
X |
X |
X |
name-service namespace bucket |
|
X |
X |
X |
X |
X |
X |
object queue header operation |
|
|
|
|
X |
X |
X |
parameter table allocation management |
|
|
|
|
X |
|
|
parameter table management |
|
|
|
|
|
X |
X |
policy information |
|
|
|
X |
X |
X |
X |
qmne Export Table Latch |
|
|
|
|
|
X |
X |
queue sender’s info. latch |
|
|
|
X |
X |
X |
X |
recovery domain hash list |
|
|
|
|
X |
X |
X |
redo copy |
X |
|
|
|
|
|
|
resmgr group change latch |
|
|
|
X |
X |
X |
X |
resmgr:active threads |
|
|
|
|
X |
X |
X |
resmgr:plan CPU method |
|
X |
X |
X |
X |
X |
X |
rules engine rule set statistics |
|
|
|
|
X |
X |
X |
rules engine rule statistics |
|
|
|
|
X |
X |
X |
session idle bit |
X |
X |
X |
X |
X |
X |
X |
space background SGA latch |
|
|
|
|
|
X |
X |
spilled msgs queues list latch |
|
|
X |
|
|
|
|
storage server table manipulation latch |
|
|
|
|
|
X |
X |
tablespace key chain |
|
|
|
|
|
X |
X |
test shared non-parent l0 |
|
|
|
|
|
X |
X |
third Audit Vault latch |
|
|
|
|
|
|
X |
undo global data |
X |
|
|
|
|
|
|
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[…] interesting. I created separate page where you can download shared_latches table content. And here you can find the comparison of shared latches by Oracle […]
Pingback by Shared latches by Oracle version « Latch, mutex and beyond — November 27, 2010 @ 11:28 pm |
Андрей,
1. а может знаешь, что за “dummy allocation latch” ? Для чего она нужна?
2. очень познавательный цикл статей, Спасибо!
Comment by Yuri Pudovchenko — January 31, 2011 @ 10:21 am |