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PostgreSQL vs. Oracle: Difference in Costs, Ease of Use & Functionality

Scalegrid

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Recognized as the fastest growing database by popularity, PostgreSQL was named the DBMS of the year in both 2018 and 2017 by DB-Engines, and continues to grow in popularity in 2019. . Objective C. SolarisUnix.

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Solaris to Linux Migration 2017

Brendan Gregg

Hit Ctrl-C to end. ^C C operation = 'read' usecs : count distribution 0 -> 1 : 0 | | 2 -> 3 : 0 | | 4 -> 7 : 4479 | *| 8 -> 15 : 1028 | | 16 -> 31 : 14 | | 32 -> 63 : 1 | | [.]. Oracle VM Server is based on Xen. Many new tools can now be written, and the main toolkit we're working on is [bcc]. Tracing ZFS operation latency.

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The Speed of Time

Brendan Gregg

This server is spending about a third of its CPU cycles just checking the time! As (C) looked like a kernel rebuild, I started with (D) and (E). ## 5. I also rewrote this in C and called gettimeofday(2) directly: $ cat gettimeofdaybench.c. 30.14% in the middle of the flame graph. Try changing the kernel clocksource.

Speed 126
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Using Parallel Query with Amazon Aurora for MySQL

Percona

I will compare AWS Aurora with MySQL (Percona Server) 5.6 84.1 | | version_comment | Percona Server (GPL), Release 84.1, 84.1 | | version_comment | Percona Server (GPL), Release 84.1, AWS Aurora (based on MySQL 5.6) MySQL on ec2. MySQL on ec2.

Cache 46
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The Speed of Time

Brendan Gregg

This server is spending about a third of its CPU cycles just checking the time! As (C) looked like a kernel rebuild, I started with (D) and (E). ## 6. I also rewrote this in C and called gettimeofday(2) directly: $ cat gettimeofdaybench.c 30.14% in the middle of the flame graph. Try changing the kernel clocksource. us on Ubuntu.

Speed 40
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Split strings the right way – or the next best way

SQL Performance

SQL Server 2016 brought us STRING_SPLIT , a native function that eliminates the need for many of the custom solutions we’ve needed before. I’ve written several articles about this function (and STRING_AGG, which arrived in SQL Server 2017) since this post was written: Performance Surprises and Assumptions : STRING_SPLIT().

C++ 59
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Should You Use ClickHouse as a Main Operational Database?

Percona

To simulate text messages I have used ~3 billion of reddit comments (10 years from 2007 to 2017), downloaded from pushshift.io. This is all true for ClickHouse, however, we may be able to live with it for our task. Vadim published a blog post about analyzing reddit comments with ClickHouse. compose','xamarin','markdown','scrum','comic'] ?