#community-help

Upgrading Typesense Version and Addressing CPU Spikes

TLDR Laura asks about the new version of typesense and about CPU usage spike. Jason recommends upgrading to 0.25.2.rc1, suggests monitoring metrics to identify the cause of CPU spikes, and provides remedies for them. They also assist Laura in upgrading their cluster.

2mo

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Sep 27, 2023 (2 months ago)

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Laura

06:32 PM

Hi guys, do we have a new version of typesense? I went into my cluster and it says "Typesense v0.25.0 New version available", is it recommended that I upgrade?

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Jason

06:34 PM

Yeah, I'd recommend upgrading to 0.25.2.rc1, it has a few bug fixes from 0.25.0

Laura

06:35 PM

I also received this warning

06:35

Laura

06:35 PM

06:36

Laura

06:36 PM

how can i tell if it was just searches in my cluster or document indexing that caused this cpu spike?

Jason

06:37 PM

You'd want to correlate that spike with any equivalent spikes in Search latency / searches per second / network traffic to know if it's search or writes

06:38

Jason

06:38 PM

Looking at your metrics, it looks like it was due to a heavy search query

06:38

Jason

06:38 PM

Since it's a one-off spike, I wouldn't recommend a CPU upgrade

Laura

06:39 PM

i've seen the behavior of the week and it seems that these cpu peaks have happened frequently. what size cpu would be ideal for my case?

06:40

Laura

06:40 PM

Jason

06:41 PM

Oh hmm ok yeah I just expanded the time period and I see this too...

06:42

Jason

06:42 PM

But this is max CPU usage, if you set it to p95 it should look much better

06:43

Jason

06:43 PM

In any case, ideally you'd want to have 4vCPUs. But to solve for this particular spiky pattern, you might want to first try adding search_cutoff_ms: 3000 as a search parameter

Laura

06:47 PM

does this parameter improve the response time for the user?

Jason

06:51 PM

Yeah, in the sense that, if it's a heavy query, it will only tun for 3s instead of spiking CPU for 10s

Laura

06:54 PM

ok. Thanks for your support! Could you upgrade my cluster to this new version, with bug fixes? I looked for a button to upgrade, but I couldn't find it

Jason

06:56 PM

Just wrote these instructions today: https://typesense.helpscoutdocs.com/article/135-how-do-i-update-my-cluster-configuration

Let me know if I can clarify anything there

Laura

06:57 PM

Thank you a lot!

06:58

Laura

06:58 PM

I'm reading here, great documentation

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