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Mar 7: Hotsos 2010 - Day 1.34 - Did someone Scottish show up?



It'd better be better tomorrow, after all the crowing I've done over the past few weeks about the prospective weather!
Posted by Doug Burns Comments: (3) Trackbacks: (0)
Defined tags for this entry: conferences, hotsos 2010

Mar 7: Hotsos 2010 - My Agenda

Let's see how well I can stick to this

Sunday

18:00 - Registration and Reception
21:00 - Bed

Monday

09:45 - Tom Kyte: All About Metadata: Why Telling the Database about Your Schema Matters   
11:00 - Richard Foote: Oracle Indexing Myths
12:00 - Lunch (make sure new laptop works with projector, get changed and start panicking a bit more)
13:00 - Dan Norris: Consolidation Strategies for Oracle Database Machine (would love to see Alex, but this one's relevant to work at the moment)
14:15 - Me: How I Learned to Love Pictures — Oracle 10g/11g Performance Analysis Using OEM
15:30 - Kevin Closson: Ten Years after Y2K, and We Still "Party like It's 1999"
16:45 - Kerry Osborne: Controlling Execution Plans (without Touching the Code)
Evening - Oak Table Dinner

Tuesday

08:30 -Wolfgang Breitling: Anatomy of a SQL Tuning Session
09:45 - Neil Gunther/Peter Stalder: How to Quantify Oracle Scalability, Parts I and II
12:00 - Lunch (Blogging)
13:00 - Marco Gralike: The Ultimate Performance Challenge: How to Make XML Perform.?!
14:00 - Important work conference call (so I'll miss Henry Poras, who I planned to see)
15:30 - Kerry Osborne: My Favorite Scripts — 2010
16:45 - Richard Foote: Oracle Indexing Tricks and Traps
19:00 - Party Night
22:00 - Bed (probably)

Wednesday

08:30 - Cary Millsap: Lessons Learned, Version 2010.03
09:45 - Tanel Põder: Understanding LGWR, log file sync Waits and Commit Performance
11:00 - Dave Abercrombie: End-to-End Metrics for Troubleshooting and Monitoring
12:00 - Lunch (Blogging)
13:00 - Alex Gorbachev: Run-Time Load Balancing in Oracle RAC
14:15 - Christian Antognini: Diagnosing Parallel Executions Performance
15:30 - Farewell
16:30 - Relaxation (which might well be poured into a glass or three)

Thursday

08:30 - Training Day with Tanel Põder

Friday

Catch up on emails and blogging, then head home ...

As usual, there are a couple of really tough choices in there so a) no slight intended and b) I might make a few last minute changes of mind!

Posted by Doug Burns Comment: (1) Trackbacks: (0)
Defined tags for this entry: conferences, hotsos 2010

Mar 7: Hotsos 2010 - Day 0 - Cuddly Toy Carnage

It's 4am on Sunday, so it must be America.

This time I think I'm going with the Jonathan Lewis approach of sticking to GMT while I'm over here and accepting I'll be waking up at some ungodly hour which means I can get several hours work done before the day kicks off. That might mean being in bed at 9pm most days or a mid-afternoon nap somewhere along the way but I won't worry about that for now.

Yesterday was a long but pretty uneventful day. Door-to-door was around 20 hours but only 10 hours of that was spent in the air. After Continental being responsible for one of the two worst Transatlantic trips in my past (and thanks to Virgin Economy for the other), I must have been mad to book with them again, particularly with a 6 hour layover at Newark. (Thanks to US Immigration for wiping an hour off the layover, though!) I had a pretty similar schedule at my first Symposium in 2006 which was a conference I particularly enjoyed and went well so maybe I booked it again for luck or maybe the fact that Continental joined the Star Alliance last autumn is more to do with it and I'm a hopeless miles junkie. I'll let you decide. In the event, it was a pretty good trip for Economy - empty middle seat on the first flight (with a very nice Video on Demand system) and an entire row to myself on the second. Add 6 hours worth of lounge access in the middle (allowing for several trips through security for a smoke) and I couldn't have asked for much more*. I still hope the upgrade I'm wait-listed for on the way back comes through, though ;-)

As usual, I found it virtually impossible to get any work done on the way. I always think I'm going to use that utterly wasted day preparing for my presentation, but I find that all I really want to do when I'm travelling is watch movies, read the papers or chill out. I'm just not in the right mind-set for work. I need to hit the hotel before I can begin work in earnest, but that's the benefit of arriving a day early.

By the time I reached the hotel it was about 10pm so I only managed two small beers with Marco Gralike, Mark Farnham and Mark Bobac. I mentioned something to them that's been on my mind this week. I really do love this conference and it hit me during the week that, as well as the obvious factors of it being dedicated to performance, great speakers, educated attendees and all the other stuff I've mentioned in the past, it just feels right and I'm convinced that's to do with the size and location. Whereas at other conferences I'm bumping into people all the time, get talking and therefore miss other people, at this conference everyone's in the same place so I'm with everyone all the time, if that makes any sense. That's also true of the Miracle events, but you need a much stronger constitution to keep up with things and there's nowhere to hide! Regardless, I get genuinely excited about coming to the Symposium, excited about doing my presentation and it's no different this time. Oh, and as U.S. hotels go (I'm not a fan - different style) I really like this one. I was torn between the complimentary suite upgrade and the smoking room. No prizes for guessing which I picked ;-) I've got *work* to do!

Unfortunately for the Boys and Girls it was a full 20 hours in that suitcase and I don't think luggage handlers are thinking about Cuddly Toys. I think I'm going to have to start shipping them in proper carriers with a decent air supply. One of the problems is that I was torn between a case too small and a case too big. Once I picked the case that was too big (under significant pressure from a certain Comfy Seat!) there was a little bit too much movemement in transit!



Still, they all seem a lot happier now, if not a little concerned about how they're actually going to watch the TV! (Note for photo snobs ... I've bought Mads' compact camera with me this week so used that for this second one. I'll see if I can make the photos a little more bearable than those taken on my phone, but no promises.)



Top row, L-R : Chris, Derek Jr, Mario
Bottom row, L-R : The Rabbit, Little H, Austin

Should anyone doubt me, they were all unpacked *before* I went down to the hotel bar!

Today I will be mostly hiding out and working on my presentation and making sure that my demos are going to work on my new laptop. If that sounds like me repeating the mistakes of my past few conferences, the idea is that if I can do it today and then present tomorrow, then I'll be done and I can kick back, relax and learn things, building up to the crescendo of training day with Tanel Poder on Thursday ;-)

Now, about that presentation of mine ....

* See, this is what I mean about Twitter being useless. If I want to bitch about travel (and there seems to be a *lot* of bitching about travel on Twitter), then I want more than 140 characters! While I'm talking about Twitter, I will blog about my experiences soon, over on the personal blog, but I could always see a good case for it being slightly more interesting and useful during conferences, so I set up a @doug_conference account for me at conferences. I tried to do it using my normal mail account, but I seem to have cast that into a pool of dark matter by having the temerity to delete my previous account. I won't lose any sleep over that! Once Cary Millsap, Alex G or one of the Twitterati tell me the hash tag thing for Hotsos 2010, I might try using it! Oh, and if there are fewer blog posts from me this conference, blame that Twitter crowd and their inability to find 30 min a day to blog - they're a bad influence, I tell you ....
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Defined tags for this entry: conferences, hotsos 2010

Mar 2: Video: UKOUG Conference Series Technology & E-Business Suite 2009

What a great video!

I present my evidence, Your Honour ...

0:50 - You get a sense of how scary it might be to speak in Hall 1.
0:59 - Kurt the DUDE guy falls asleep whilst listening to a keynote.
1:32 - Tony Davis, ex-Apress editor points out that it's the networking, stupid!
2:12 - Robyn Sands points out that by going to UKOUG Tech/EBS Conference you will hear 'the top-notch people'
2:20 - One of the 'top-notch people' walks around a bit on stage, hand-waving.
2:30 - Someone who is clearly the most photogenic speaker on the agenda puts in a second appearance.

Plus lots of other strange sightings of friends ...
Posted by Doug Burns Comments: (5) Trackbacks: (0)
Defined tags for this entry: conferences, ukoug, ukoug2009

Dec 2: UKOUG 2009 - Day 2

That's more like it!

Well yesterday was much better, although not very successful in terms of number of achievements or educational experiences, but I cheered up a hell of a lot. (Some might suggest that would be a good idea in general.)

I woke up fairly late because of the previous night's activities and just had time to whip myself into shape for my second presentation - the 'How I Learned to Love Pictures' one in Hall 1. Tom Kyte had the good grace to finish early so I had lots of setup time, mainly worrying about my decision to be brave and go with 11gR2 on my laptop - which can crawl at times. Cue a quick chat about Laptops and 32-bit O/S and Tom's Thinkpad recommendation. I'm certainly in new laptop territory now. It's served me well for 2 years, but enough's enough.

Then when Andrew Bulloch who is a Product Manager for a number of products including the OEM stuff I was going to demo walked in, said hello and wished me luck running 11gR2 on my laptop, I had a bad feeling!

However, I don't know about anybody else but I really enjoyed the presentation, think it went fairly well and it made up for Monday afternoon. As always, there are a few things I wish I'd shown but didn't (I can talk about these screens and the instrumentation for *ages*) but it all felt pretty good to me. Much better. I think Andrew would have rather I didn't introduce him to the audience - he was trying to hide in a corner - but as I'd referred to him a couple of times for answers to questions in my head I wasn't sure about, I felt it better to acknowledge his presence properly at the end rather than run the risk of 'talking to my mates' to the exclusion of the audience.

So much happier, I then met Tony Davis for lunch. He's someone I've been aware of for a while after he asked me to write an article for the Simple Talk website and other probably know of him (without perhaps realising it) as the editor of a number of classic Apress books. Just check out any you have and you'll likely see his name there. Very productive, good company and hopefully it'll lead to some more writing and perhaps some help with the development of their schema comparision tool. Going to take a look at it today if I get a chance.

Then a quick beer with Marco and Kurt - always difficult to keep up with all my mates and if you want a definition of friendship check this out. It was also Koert's opportunity to present Marco with that rare status symbol in the Oracle community - an ORA-600 T-shirt.



Treasure it, Marco! Then I simply had to have a sleep. I'm glad I did because I was much fresher, although later, for the start of the next evening's festivities which were sprawling and interesting as usual ;-) but the chat was great and a brilliant way to round off a cool day.



I like that photo. Don't know whether we both just looked ****ed, but I think it looks like a couple of good mates having a good time. Still mates after he forced me to create a Twitter account! Alex telling me how things are, as usual. (He's the only one allowed to do that.)

Of course it meant I slept in and I have now missed yet-another-presentation but am going to do my damndest to attend a few today. It's all very well concentrating on presentations and mates, but I don't feel I've learnt much yet this week :-(

Then again, it is Mads' birthday tomorrow, so I'd better keep my priorities straight!
Posted by Doug Burns Comments: (8) Trackbacks: (0)
Defined tags for this entry: conferences, ukoug, ukoug2009
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Statistics on Partitioned Tables

Contents

Part 1 - Default options - GLOBAL AND PARTITION
Part 2 - Estimated Global Stats
Part 3 - Stats Aggregation Problems I
Part 4 - Stats Aggregation Problems II
Part 5 - Minimal Stats Aggregation
Part 6a - COPY_TABLE_STATS - Intro
Part 6b - COPY_TABLE_STATS - Mistakes
Part 6c - COPY_TABLE_STATS - Bugs and Patches
Part 6d - COPY_TABLE_STATS - A Light-bulb Moment
Part 6e - COPY_TABLE_STATS - Bug 10268597

Comments

Doug Burns about 10053 Trace Files - Different Plan in Different Environments
Tue, 02.04.2013 08:57
You're welcome. Now I just nee d to pull my finger out and ac tually come up [...]
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Mon, 01.04.2013 23:08
Makes a big difference, so tha nks for that! With two brow ser windows, o [...]
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Sat, 30.03.2013 16:28

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For the avoidance of any doubt, all views expressed here are my own and not those of past or current employers, clients, friends, Oracle Corporation, my Mum or, indeed, Flatcat. If you want to sue someone, I suggest you pick on Tigger, but I hope you have a good lawyer. Frankly, I doubt any of the former agree with my views or would want to be associated with them in any way.

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