Brendan Gregg

AUGUST 29, 2021

Reads usually have apps waiting on them; writes may not (write-back caching). Hit Ctrl-C to end. ^C C msecs : count distribution 0 -> 1 : 83 | | 2 -> 3 : 20 | | 4 -> 7 : 0 | | 8 -> 15 : 41 | | 16 -> 31 : 1620 | * | 32 -> 63 : 8139 | *| 64 -> 127 : 176 | | 128 -> 255 : 95 | | 256 -> 511 : 61 | | 512 -> 1023 : 93 | |. . ## 4.

Cache 105

Cache C++ AWS Latency 105

Brendan Gregg

AUGUST 29, 2021

100.00 ^C I'm looking at the r_await column in particular: the average wait time for reads in milliseconds. Reads usually have apps waiting on them; writes may not (write-back caching). Hit Ctrl-C to end. ^C Hit Ctrl-C to end. ^C This is a 64-Gbyte memory system, and 48 Gbytes is in the page cache (the file system cache).

Cache 40

Cache C++ AWS Systems 40

Percona

JUNE 4, 2023

MariaDB retains compatibility with MySQL, offers support for different programming languages, including Python, PHP, Java, and Perl, and works with all major open source storage engines such as MyRocks, Aria, and InnoDB. GA 31 March 2014 10.0.10 In-development for MySQL 8.0 (now now a release candidate) In-development for MySQL 8.0 (now

Open Source 52

Open Source Servers Storage Scalability 52