The Netflix TechBlog
NOVEMBER 3, 2022
We introduce a caching mechanism in the API gateway layer, allowing us to offload processing from singleton leader elected controllers without giving up strict data consistency and guarantees clients observe. We started seeing increased response latencies and leader servers running at dangerously high utilization.
Speed Curve
JUNE 18, 2019
So where in a CI/CD pipeline do we put performance testing? The easy answer is: right after a change is deployed to an integration or testing environment. Typically, performance testing should happen at the same time as integration and acceptance testing. Network latency will affect performance testing.
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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. . So, our testing indicates PgBouncer is the far better choice for connection pooling. Final Words.
n0derunner
SEPTEMBER 17, 2018
In such a case we have a Bandwidth heavy workload profile (reporting) sharing with a Latency Sensitive workload (transactional). The key thing to observe is the impact on the latency sensitive (OLTP) workload. The “Data” disks are doing both reads (from DB cache misses) and writes committed transactions.
The Netflix TechBlog
MARCH 6, 2019
Disk Caching? — ? MezzFS can be configured to cache objects on the local disk. Regional caching? —?Netflix If an application in region A is using MezzFS to read from an object stored in region B, MezzFS will cache the object in region A. we only pay the transfer costs for one worker, and the rest use the cached object.
CSS - Tricks
JULY 25, 2019
Cache-Headers missing? These heuristics were coupled with a set of guidelines that would likely result in better performance, if followed, but were merely superficial and didn’t actually analyze the load and render experience that real visitors face. How Lighthouse calculates the Performance Score. Estimated Input Latency.
Smashing Magazine
OCTOBER 31, 2023
You can see how you might wind up with different results in performance tests simply by the type of real-user monitoring (RUM) that is in use. INP is a measure of the latency for all interactions on a given page, where the highest latency — or close to it — informs the final score.
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