CPU Issues and Speculative Execution
Posted: January 21, 2018 Filed under: CPU Issues, Security, Solaris | Tags: CPU Issues, F5, Fortinet, Nexenta, Oracle, Pure Storage, Qubes, Rockwell Automation, Scality, Security, Synology, Wonderware Leave a commenthttp://smooth1.co.uk/security/CPU_issues.html
added
- Debian,Fedora
- LLVM,ZFS,Lustre
- Oracle Sparc,RISC-V
- Oracle,Nexenta,Scality,Pure Storage,Wonderware,Rockwell Automation,Synology,F5,Qubes,Qubes,Fortinet,Netap
Updated Google cloud section to mention Retpoline a compile time fix for Variant 2 (part of Spectre) with “almost no performance loss.”
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Oracle APPROX_COUNT_DISTINCT Function
Posted: June 8, 2016 Filed under: Oracle, Oracle 12c, Uncategorized | Tags: Oracle, Oracle 12c Leave a commentSome notes on the Oracle APPROX_COUNT_DISTINCT Function
Testing
http://externaltable.blogspot.co.uk/2014/08/scaling-up-cardinality-estimates-in.html
Scaling up Cardinality Estimates in 12.1.0.2
http://afatkulin.blogspot.co.uk/2013/11/hyperloglog-in-oracle.html
HyperLogLog in Oracle
Sketch of the Day: HyperLogLog — Cornerstone of a Big Data Infrastructure
HyperLogLog — Cornerstone of a Big Data Infrastructure
ORA-14696: MAX_STRING_SIZE migration is incomplete for pluggable database
Posted: April 30, 2015 Filed under: Oracle, Oracle 12c | Tags: Oracle, Oracle 12c Leave a commentORA-14696: MAX_STRING_SIZE migration is incomplete for pluggable database
Oracle Certification Blog
Posted: October 17, 2013 Filed under: Oracle Certification | Tags: Certification, Oracle Leave a commentOracle Certification BLog with updates on the certification program.
