Remove c
Remove 2048 Remove Availability Remove Tuning
article thumbnail

Data Redundancy With the PostgreSQL Citus Extension

Percona

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++ 81
article thumbnail

SQL Server I/O Basics Chapter #2

SQL Server According to Bob

​​ 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