Abhishek Tiwari

SEPTEMBER 26, 2014

Setting up Varnish for Statamic was quite easy and my website performance improved drastically ( you can see load and performance testing benchmarks here ). One of the biggest challenges was Varnish cache invalidation on content update.

Cache 52

Cache Benchmarking Website Performance Website 52

n0derunner

JULY 23, 2019

In this video I migrate a Postgres DB running PGbench benchmark. The variation in the transaction rate is due to the benchmark itself, the transaction rate is not expected to be uniform. Many different queries are executing in parallel, some hitting RAM cache, some hitting storage.

Benchmarking 76

Benchmarking Storage Cache Tuning 76

n0derunner

SEPTEMBER 17, 2018

Creating a HCI benchmark to simulate multi-tennent workloads. We supply a pre-configured scenario which we call the DB Colocation test. The DB Colocation test utilizes two properties of X-Ray not found in other benchmarking tools. Time based benchmark actions. Distinct per-VM workload patterns.

Performance Testing 40

Performance Testing Benchmarking Testing Performance 40

Brendan Gregg

FEBRUARY 9, 2018

This overhead can be reduced by A) pcid, fully available in Linux 4.14, and B) Huge pages. - **Cache access pattern**: the overheads are exacerbated by certain access patterns that switch from caching well to caching a little less well. This can turn a 1% overhead (syscall cycles alone) into a 7% overhead. In more detail: ## 1.

Performance 72

Performance Benchmarking Cache Tuning 72

Brendan Gregg

FEBRUARY 8, 2018

This overhead can be reduced by A) pcid, fully available in Linux 4.14, and B) Huge pages. - **Cache access pattern**: the overheads are exacerbated by certain access patterns that switch from caching well to caching a little less well. This can turn a 1% overhead (syscall cycles alone) into a 7% overhead. In more detail: ## 1.

Performance 40

Performance Benchmarking Cache Tuning 40

SQL Server According to Bob

JANUARY 11, 2020

Stable media is commonly physical disk storage, but other devices and certain caching facilities qualify as well. Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

Scalegrid

JULY 29, 2020

Performance Testing. So, we pitted the two connection poolers head-to-head, using the standard pgbench tool, to see which one provides better transactions per second throughput through a benchmark test. For good measure, we ran the same tests without a connection pooler too. Testing Conditions. Final Words.

Benchmarking 246

Benchmarking Database Performance Testing Availability 246