ivan78

8 ms·

1.
by ivan78 8y ago
If you are looking for something advanced, you should check books written by C. J. Date. For example, his "An Introduction to Database Systems" considered as one of the best book on database theory.
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by ivan78 8y ago
Another interesting project of next-gen file system is Red Hat Stratis: https://stratis-storage.github.io/ After dropping btrfs support some time ago they started developing their own next-gen file system based on LVM and X
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by ivan78 8y ago
Actually, it is quite opposite. ZFS is a copy-on-write filesystem - if you do write in the middle of your file the datablock gets moved to a new place on your disk. For typical database load your db files get more and more fragmented with t
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by ivan78 8y ago
On my previous job we had to manage thousands of customer domains, including annual renewal. This was very tedious task, so I wrote a Perl script, scraping WHOIS and DNS data for all domains listed on our DNS servers. Based on this data eve
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Tesla completes world's largest lithium ion battery in Australia(mashable.com)
2 points by ivan78 9y ago|0 comments
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by ivan78 10y ago
Some photos from 2013: http://shpilenok.livejournal.com/193005.html
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by ivan78 12y ago
Thank you, I did not know that. It is sometimes very surprising to see such identical idioms, while English and Russian languages are so different.
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by ivan78 12y ago
Interestingly, Wikipedia translates "Nu, pogodi" as "Well, you just wait". Actually, this phrase is a threat and should be translated something like "I will get you".
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by ivan78 13y ago
To solve the problem with non-US character-encoding. Web browsers of 90s were notoriously bad with client-side encoding. The only way to show content properly for all available clients was server-side recoding and different HTTP ports were
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by ivan78 13y ago
In Russia we served HTTP traffic on non-standard ports, such as 8100, 8101, 8102 in addition to default 80. It was very common in 90s. Can anyone guess, why?
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by ivan78 13y ago
I was surprised to find Web of Trust addon ( https://addons.mozilla.org/en-US/firefox/addon/wot-safe-brow... ) in top 10. From my past experience https://mywot.com is nothing more than a scam. The
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by ivan78 13y ago
Best comment. :-)
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by ivan78 13y ago
You should not judge about all Russians by those tourists. Unfortunately, during last 20 years in Russia, being such scoundrel and scumbag, you have pretty high chance to earn good money. Even in Russia nobody likes these (very small number
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by ivan78 13y ago
Actually, Russians smile quite a lot. They are not smiling to strangers - the article explains why. But this does not mean they are not smiling at all. Once you become acquainted to the person, the smile becoming the natural part of communi
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by ivan78 13y ago
I hope, having read the article, you can now understand their behavior.
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by ivan78 13y ago
Moscow is not a country. But I agree with you - people living in Moscow have very few reasons to smile to strangers.
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by ivan78 13y ago
I immediately remembered about this story too. This is pretty hilarious: "Containing a Harry Potter book, the letter was sent to a Russian student by her French friend, who manually transcribed the address that he had received by e-mail. Th
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by ivan78 14y ago
It's a fake. http://ria.ru/science/20120917/752346830.html Google translate: http://tinyurl.com/9kqjr3t TLDR: There are so called "technical diamonds", they are not good enough for jewelry, bat can be used for making tools, such as dril
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by ivan78 15y ago
You are probably talking about apt-xapian-index. It rebuilds its indexes once a week, consuming all system resources. I had an old notebook, which became unusable every weekend. I did not want to buy a new machine, so I simply deinstalled a
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by ivan78 15y ago
to henrikschroder: I expected that this reaction was caused by mentioning a book. It is my deepest belief that questions like memory management can not be answered with brief comment. You must read at least a basic book if you want to under
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by ivan78 15y ago
If you want to be more enterprisey, you can pipe it to SNMP counter and then draw a graph with your Network Monitoring System. It is much more convenient if you have more that few servers.
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by ivan78 15y ago
Thank you. I'm on my way to become exceptional DBA. Oracle is only 2 years younger than me, but unfortunately it has been developing much faster than I am. It literally takes years just to become familiar with all these layers of Oracle tec
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by ivan78 15y ago
Why downvoting? It may be not the best explanation, but IMO the closest to the way a "developer" should understand it. On Linux a virtual memory is committed with mmap call. Check this for details: http://stackoverflow.com/questions/278262
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by ivan78 15y ago
Well, if you don't understand it, you must read some basic book about modern computer architecture. Short answer: It is possible to reserve memory address space without assigning actual physical memory. As your program runs it can dynamical
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by ivan78 15y ago
As a longtime Linux user/admin and beginning Oracle DBA I now know that all memory should be occupied by Oracle, not by OS. :-) Serious mode on: I'm sure it's a big problem to be narrow expert. They can be brilliant specialist in their fiel
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by ivan78 15y ago
Me too. I highly suspect Coca Cola was specifically designed in a way that it can not quench one's thirst. Once you open a bottle, you can not stop drinking it until it is finished. That's why I completely stopped drinking Coca Cola few yea
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by ivan78 15y ago
I have much better recipe. You go to zimbra.com, download ZCS Open-Source Edition and immediately have all the functionality out of the box. As a bonus you have much more beautiful web-interface than ancient Squirrelmail.
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by ivan78 15y ago
"The one most valuable asset at Oyster.com is our photo collection. ... In strict accordance with KISS methodology, we opted against LTO and S3, and decided to build a big BOX." I can only imagine how much they will be scared each time they