Re: Oracle Diagnostics Pack

By the way, you dont "install" this pack correct? You just enable it from DB
Control or Grid Control no?


On 3/19/07, Allen, Brandon <Brandon.Allen@xxxxxxxxxxx> wrote:

 Yes, that's pretty much it, however those 3 tools, particularly ASH and
AWR in my opinion, are very nice to have.  Whether or not it's worth the
cost will be a personal/business decision.  Sure, we all got along w/o these
tools in the past, and there are ways to implement similar functionality on
your own, but that has its pros & cons too so you have to take it all into
consideration and decide what's best for your situation.  You can get much,
maybe even most, of the same information by just running regular statspack
snapshots - but there is a lot of extra detail gathered with ASH.  I've used
the ASH/AWR information several times in the past 9 months since going live
on 10g to drill down to the root cause of problems that occurred in the
past.  ADDM is nice in theory, but it hasn't really proved very useful in
real life for me so far - I can't say I've ever actually taken any action
based on it's findings.  One of my favorite features of AWR is the ability
to run a "Compare Periods" report, which basically takes two different
statspack reports and runs a delta on them, then provides a nice graphical
representation of the statistics that were higher/lower between them.  For
example, if you're getting slowness complaints from 8-10am today, you can
run a comparison of that period today with the same period yesterday, last
week, last month, etc. and get a very quick view into what is different
between now and then.  I also modified the defaults (hourly snapshots
retained for 1 week) so that my system takes snapshots every 15 minutes and
retains them for 45 days.  Sure, it takes some more disk space, but it's
well worth it in my opinion.

Another thing to keep in mind is that when we were talking to Oracle
sales, they heavily pushed the Tuning Pack along with the Diagnostics Pack
to the point of almost insulting me for wanting one w/o the other.  The Diag
pack is required for the Tuning pack, but NOT the other way around.  I
tested the Tuning pack for the free 30 days and for me it wasn't worth the
extra $$ so I just licensed the Diag pack, but again - it will be a
personal/business decision - just keep in mind that the Diag pack is a very
useful and complete tool on its own w/o the Tuning Pack so don't fall for
the sales people that tell you it's useless w/o the Tuning pack or "everyone
licenses them both together".

Regards,
Brandon


 ------------------------------
*From:* oracle-l-bounce@xxxxxxxxxxxxx [mailto:
oracle-l-bounce@xxxxxxxxxxxxx] *On Behalf Of *amonte
*Sent:* Monday, March 19, 2007 4:11 AM
*To:* oracle-l@xxxxxxxxxxxxx
*Subject:* Oracle Diagnostics Pack

Hi All

Recently some Oracle Sales came to our company and show us Grid Control.
They also mentioned Diagnostics Pack however i am a bit confused about this
Pack. It seems like it is made up of ASH, ADDM and AWR. Is that all?

Anyone has used this pack?

TIA

Alex

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