<s>
IBM	O
System	B-Application
Management	I-Application
Facility	I-Application
(	O
SMF	O
)	O
is	O
a	O
component	O
of	O
IBM	O
's	O
z/OS	B-Application
for	O
mainframe	B-Architecture
computers	I-Architecture
,	O
providing	O
a	O
standardised	O
method	O
for	O
writing	O
out	O
records	O
of	O
activity	O
to	O
a	O
file	O
(	O
or	O
data	B-Application
set	I-Application
to	O
use	O
a	O
z/OS	B-Application
term	O
)	O
.	O
</s>
<s>
SMF	O
provides	O
full	O
"	O
instrumentation	O
"	O
of	O
all	O
baseline	O
activities	O
running	O
on	O
that	O
IBM	B-Device
mainframe	I-Device
operating	O
system	O
,	O
including	O
I/O	O
,	O
network	O
activity	O
,	O
software	O
usage	O
,	O
error	O
conditions	O
,	O
processor	O
utilization	O
,	O
etc	O
.	O
</s>
<s>
One	O
of	O
the	O
most	O
prominent	O
components	O
of	O
z/OS	B-Application
that	O
uses	O
SMF	O
is	O
the	O
IBM	O
Resource	B-Application
Measurement	I-Application
Facility	I-Application
(	O
RMF	O
)	O
.	O
</s>
<s>
RMF	O
provides	O
performance	O
and	O
usage	O
instrumentation	O
of	O
resources	O
such	O
as	O
processor	O
,	O
memory	O
,	O
disk	O
,	O
cache	O
,	O
workload	O
,	O
virtual	O
storage	O
,	O
XCF	B-Application
and	O
Coupling	B-Device
Facility	I-Device
.	O
</s>
<s>
RMF	O
is	O
technically	O
a	O
priced	O
(	O
extra	O
cost	O
)	O
feature	O
of	O
z/OS	B-Application
.	O
</s>
<s>
RMF	O
's	O
records	O
are	O
generally	O
supplemented	O
-	O
for	O
serious	O
performance	O
analysis	O
-	O
by	O
Type	O
30	O
(	O
subtypes	O
2	O
and	O
3	O
)	O
address	B-General_Concept
space	I-General_Concept
records	O
.	O
</s>
<s>
RACF	B-Application
type	O
80	O
records	O
are	O
written	O
to	O
record	O
security	O
issues	O
,	O
i.e.	O
</s>
<s>
ACF2	B-Application
provides	O
equivalent	O
information	O
in	O
,	O
by	O
default	O
,	O
type	O
230	O
records	O
but	O
this	O
SMF	O
record	O
type	O
can	O
be	O
changed	O
for	O
each	O
installed	O
site	O
.	O
</s>
<s>
IBM	B-Application
Db2	I-Application
writes	O
type	O
100	O
,	O
101	O
and	O
102	O
records	O
,	O
depending	O
on	O
specific	O
Db2	B-Application
subsystem	O
options	O
.	O
</s>
<s>
CICS	B-Application
writes	O
type	O
110	O
records	O
,	O
depending	O
on	O
specific	O
CICS	B-Application
options	O
.	O
</s>
<s>
Websphere	B-Application
MQ	I-Application
writes	O
type	O
115	O
and	O
116	O
records	O
,	O
depending	O
on	O
specific	O
Websphere	B-Application
MQ	I-Application
subsystem	O
options	O
.	O
</s>
<s>
WebSphere	B-Language
Application	I-Language
Server	I-Language
for	I-Language
z/OS	I-Language
writes	O
type	O
120	O
.	O
</s>
<s>
The	O
new	O
Version	O
7	O
120	B-Language
Subtype	I-Language
9	I-Language
record	O
provide	O
a	O
unified	O
request-based	O
view	O
with	O
lower	O
overhead	O
.	O
</s>
<s>
Each	O
release	O
of	O
z/OS	B-Application
brings	O
new	O
fields	O
.	O
</s>
<s>
Different	O
processor	O
families	O
and	O
Coupling	B-Device
Facility	I-Device
levels	O
also	O
change	O
the	O
data	O
model	O
.	O
</s>
<s>
The	O
standard	O
and	O
classical	O
way	O
:	O
Using	O
buffers	O
the	O
SMF	O
address	B-General_Concept
space	I-General_Concept
,	O
together	O
with	O
a	O
set	O
of	O
preallocated	O
datasets	B-Application
(	O
VSAM	O
datasets	B-Application
)	O
to	O
use	O
when	O
a	O
buffer	O
fills	O
up	O
.	O
</s>
<s>
The	O
standard	O
name	O
for	O
the	O
datasets	B-Application
is	O
SYS1.MANx	O
,	O
where	O
x	O
is	O
a	O
numerical	O
suffix	O
(	O
starting	O
from	O
0	O
)	O
.	O
</s>
<s>
It	O
has	O
more	O
flexibility	O
,	O
allowing	O
the	O
z/OS	B-Application
system	O
to	O
straightforwardly	O
record	O
to	O
multiple	O
log	O
streams	O
,	O
and	O
(	O
using	O
keywords	O
on	O
the	O
dump	O
program	O
)	O
allowing	O
z/OS	B-Application
to	O
read	O
a	O
set	O
of	O
SMF	O
data	O
once	O
and	O
write	O
it	O
many	O
times	O
.	O
</s>
<s>
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
collects	O
SMF	O
data	O
,	O
transforms	O
it	O
in	O
a	O
consumable	O
format	O
and	O
then	O
sends	O
the	O
data	O
to	O
third-party	O
enterprise	O
analytics	O
platforms	O
like	O
the	O
Elastic	O
Stack	O
and	O
Splunk	B-General_Concept
,	O
or	O
to	O
the	O
included	O
operational	O
data	O
analysis	O
platform	O
,	O
for	O
further	O
analysis	O
.	O
</s>
<s>
IBM	O
Z	O
Anomaly	O
Analytics	O
with	O
Watson	O
collects	O
SMF	O
data	O
from	O
multiple	O
IBM	O
Z	O
systems	O
and	O
subsystems	O
,	O
including	O
IBM	B-Application
Db2	I-Application
for	O
z/OS	B-Application
,	O
IBM	O
CICS	B-Application
Transaction	I-Application
Server	I-Application
for	O
z/OS	B-Application
and	O
IBM	B-Application
MQ	I-Application
for	O
z/OS	B-Application
,	O
uses	O
historical	O
IBM	O
Z	O
metric	O
and	O
log	O
data	O
to	O
build	O
a	O
model	O
of	O
normal	O
operational	O
behavior	O
,	O
and	O
analyzes	O
real-time	O
operational	O
data	O
through	O
comparison	O
with	O
the	O
model	O
of	O
normal	O
operations	O
to	O
detect	O
and	O
alert	O
IT	O
operations	O
of	O
anomalous	O
behavior	O
.	O
</s>
<s>
When	O
SMF	O
is	O
run	O
in	O
the	O
data	B-Application
set	I-Application
recording	O
mode	O
,	O
the	O
Common	O
Data	O
Provider	O
in	O
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
and	O
IBM	O
Z	O
Anomaly	O
Analytics	O
with	O
Watson	O
collect	O
and	O
stream	O
SMF	O
data	O
via	O
a	O
set	O
of	O
SMF	O
user	O
exits	O
.	O
</s>
<s>
The	O
System	O
Data	O
Engine	O
of	O
the	O
Common	O
Data	O
Provider	O
in	O
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
can	O
be	O
run	O
stand-alone	O
in	O
batch	O
mode	O
to	O
read	O
SMF	O
data	O
from	O
a	O
data	B-Application
set	I-Application
and	O
then	O
write	O
it	O
to	O
a	O
file	O
.	O
</s>
<s>
The	O
System	O
Data	O
Engine	O
batch	O
jobs	O
can	O
be	O
created	O
to	O
write	O
SMF	O
data	O
to	O
data	B-Application
sets	I-Application
and	O
send	O
SMF	O
data	O
to	O
the	O
Data	O
Streamer	O
.	O
</s>
<s>
Enterprise	O
platforms	O
such	O
as	O
Splunk	B-General_Concept
,	O
the	O
Elastic	O
Stack	O
,	O
Apache	B-Language
Kafka	I-Language
,	O
or	O
Humio	O
that	O
can	O
receive	O
and	O
process	O
operational	O
data	O
for	O
analysis	O
.	O
</s>
<s>
The	O
platforms	O
like	O
the	O
Elastic	O
Stack	O
and	O
Splunk	B-General_Concept
do	O
not	O
include	O
expert	O
knowledge	O
about	O
z	O
Systems	O
and	O
applications	O
,	O
but	O
users	O
can	O
create	O
or	O
import	O
their	O
own	O
analytics	O
to	O
run	O
against	O
the	O
data	O
.	O
</s>
<s>
IBM	B-Application
Db2	I-Application
Analytics	O
Accelerator	O
for	O
z/OS	B-Application
,	O
a	O
database	O
application	O
that	O
provides	O
query-based	O
reporting	O
.	O
</s>
<s>
IntelliMagic	O
Vision	O
for	O
z/OS	B-Application
,	O
from	O
IntelliMagic	O
.	O
</s>
