Manoj Vivek
@manojvivek.bsky.social
📤 23
📥 38
📝 2
Software Engineer
@polarsignals.com
. Also building responsively.app.
Your Node.js profiles on
@polarsignals.com
just got personal!
add a skeleton here at some point
22 days ago
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reposted by
Manoj Vivek
Frederic Branczyk
3 months ago
Very excited for this year's
#FOSDEM
! Lots of talks by Polar Signals folks:
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reposted by
Manoj Vivek
Polar Signals
3 months ago
Symbolization issues don’t have to be mysterious. Polar Signals Cloud now shows exactly what’s happening with your debuginfo, right from the flamegraph frame:
www.polarsignals.com/blog/posts/2...
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How to check your debuginfo status in Polar Signals Cloud
A faster and easier way to troubleshoot debuginfo processing in Polar Signals Cloud.
https://www.polarsignals.com/blog/posts/2026/01/22/how-to-check-your-debuginfo-status-in-polar-signals-cloud
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reposted by
Manoj Vivek
Polar Signals
4 months ago
📢 It’s a new year so we’re announcing something new which is the Sandwich view: A way to visualize a function’s callers and callees side by side for better debugging and performance work. Read more about it here:
www.polarsignals.com/blog/posts/2...
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Introducing the Sandwich View
A new way to visualize a function’s callers and callees side by side.
https://www.polarsignals.com/blog/posts/2026/01/08/introducing-the-sandwich-view
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Was digging into JS source maps recently and had a lot of fun writing this post, especially the interactive bits. 🤓
add a skeleton here at some point
6 months ago
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reposted by
Manoj Vivek
Polar Signals
7 months ago
🚀 We're super excited to launch NVIDIA CUDA Profiling today! Check out the blog on how we made it happen! 🧊
www.polarsignals.com/blog/posts/2...
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Continuous NVIDIA CUDA Profiling In Production
Low-Overhead Profiling of GPUs with USDT Probes and eBPF
https://www.polarsignals.com/blog/posts/2025/10/22/gpu-profiling
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Manoj Vivek
Matthias Loibl
7 months ago
So cool and
parca.dev
getting mentioned out of nowhere. Love to see it!
add a skeleton here at some point
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reposted by
Manoj Vivek
Polar Signals
10 months ago
We just made our Next.js builds 100% reproducible at Polar Signals! 🧊 Same code = same output, byte-by-byte every time. 🔍 Check out our practical guide:
www.polarsignals.com/blog/posts/2...
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Reproducible Builds with Next.js: A Practical Guide
A step-by-step guide to achieving reproducible builds with Next.js.
https://www.polarsignals.com/blog/posts/2025/07/23/reproducible-builds-with-next-js-a-practical-guide
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reposted by
Manoj Vivek
Polar Signals
10 months ago
📔Writing our Rust database from scratch gave us a golden opportunity to implement deterministic simulation testing as a core feature. Learn about the architecture that gives us full control over DST ingredients. 🧊
www.polarsignals.com/blog/posts/2...
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Deterministic Simulation Testing in Rust: A Theater Of State Machines
How we designed our database for complete control over concurrency, time, randomness, and failure injection.
https://www.polarsignals.com/blog/posts/2025/07/08/dst-rust
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reposted by
Manoj Vivek
Polar Signals
11 months ago
⚡ Flamecharts/Iciclecharts are now available on all workloads, not just the Polar Signals GPU profiling experience! Check out the blog on what Flamecharts/Iciclecharts are and how to use them on Polar Signals! 🧊
www.polarsignals.com/blog/posts/2...
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Flamecharts: The Time-Aware Sibling of Flame Graphs
A deep dive into the time-aware visualization that complements traditional flame graphs in performance profiling.
https://www.polarsignals.com/blog/posts/2025/05/28/flamecharts-the-time-aware-sibling-of-flame-graphs
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reposted by
Manoj Vivek
Polar Signals
about 1 year ago
📣 New on the blog: Check out this exciting case study with
@convex.dev
, sharing how they tackled unexpected latency and memory regressions in production!
#PerformanceMatters
#ContinuousProfiling
#Convex
#Rust
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Unlocking Efficient Memory Profiling and Faster Debugging
"High tail latency for one of our customers, was diagnosed immediately by seeing a large On-CPU time span"
https://www.polarsignals.com/blog/posts/2025/02/18/unlocking-efficient-memory-profiling-and-faster-debugging
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reposted by
Manoj Vivek
Polar Signals
about 1 year ago
📣 Today on the blog, check out this awesome case study with
@s2.dev
sharing some of their successes with Polar Signals Cloud (spoiler, they're huge!) 🧊
www.polarsignals.com/blog/posts/2...
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Doubling Throughput with Continuous Profiling and Optimization
“68.37% of CPU [...] with a one-line code change [...] went down to 31.82%”
https://www.polarsignals.com/blog/posts/2025/02/11/doubling-throughput-with-continuous-profiling-and-optimization
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reposted by
Manoj Vivek
shikhar
over 1 year ago
If you are using AWS S3 SDK for Rust on Graviton, you should enable the 'asm' feature on the sha2 lib transitive dep explicitly. Otherwise, it will not end up using hardware acceleration. Huge CPU drop for one of our services. Identified this issue using
@polarsignals.com
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