Brendan Gregg

AUGUST 18, 2019

C @ns: [256, 512) 10900 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ | [512, 1k) 18291 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@| [1k, 2k) 4998 |@@@@@@@@@@@@@@ | [2k, 4k) 57 | | [4k, 8k) 117 | | [8k, 16k) 48 | | [16k, 32k) 109 | | [32k, 64k) 3 | |. This example instrumented one of many thousands of available events. Hit Ctrl-C to end.

Latency 68

Latency C++ Cache Programming 68

Percona

AUGUST 29, 2023

Data redundancy, a database version of a RAID Pondering the case of high availability and redundancy, one replicates data by creating a replica via streaming replication. Now let’s stretch our imagination and consider a second method of high availability, ala Citus. The same can be said for Citus data sharding. 1 citus | 11.1-1

C++ 83

C++ Database Storage Testing 83

SQL Server According to Bob

JANUARY 11, 2020

​​ Various defragmentation ​​ utilities ​​ are ​​ available ​​ on the market today. Character POS ASCII Value Formula Value A 1 65 67 B 2 66 68 Checksum 135 Now assume ​​ that ​​ the string was stored on disk but when read back it was “AC”.

Servers 40

Servers Cache Database Media 40