Scalegrid
JANUARY 25, 2024
Key Takeaways Critical performance indicators such as latency, CPU usage, memory utilization, hit rate, and number of connected clients/slaves/evictions must be monitored to maintain Redis’s high throughput and low latency capabilities. It can achieve impressive performance, handling up to 50 million operations per second.
Scalegrid
JUNE 22, 2020
Compare Latency. On average, ScaleGrid achieves almost 30% lower latency over DigitalOcean for the same deployment configurations. Now that we’ve compared throughput performance, let’s take a look at ScaleGrid vs. DigitalOcean latency for MySQL. Read-Intensive Latency Benchmark. Balanced Workload Latency Benchmark.
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Scalegrid
DECEMBER 14, 2023
Faster detection of a bad connection is accomplished when there’s a lower value, while latency or intermittent network issues may be better served by increasing it slightly – although overly long timeouts can result in application hang-ups with little chance for an established link. The latter refers to how long a socket can remain inactive.
Brendan Gregg
OCTOBER 8, 2018
Screenshot: tracing read latency for PID 181: # bpftrace -e 'kprobe:vfs_read /pid == 30153/ { @start[tid] = nsecs; } kretprobe:vfs_read /@start[tid]/ { @ns = hist(nsecs - @start[tid]); delete(@start[tid]); }'. Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'.
O'Reilly
JANUARY 16, 2024
I even contributed my own hot take last year with my O’Reilly Radar article Real-Real-World Programming with ChatGPT.) Unpredictable wait times : Wait times (latency) for ChatGPT’s responses are unpredictable, and there aren’t audio cues to help me establish an expectation for how long I need to wait before it responds.
Brendan Gregg
OCTOBER 7, 2018
Screenshot: tracing read latency for PID 181: # bpftrace -e 'kprobe:vfs_read /pid == 30153/ { @start[tid] = nsecs; } kretprobe:vfs_read /@start[tid]/ { @ns = hist(nsecs - @start[tid]); delete(@start[tid]); }'. Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'.
The Netflix TechBlog
MARCH 1, 2021
It supports both high throughput services that consume hundreds of thousands of CPUs at a time, and latency-sensitive workloads where humans are waiting for the results of a computation. The subsystems all communicate with each other asynchronously via Timestone, a high-scale, low-latency priority queuing system. Warm capacity.
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