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AttesterSlashings causes gc spiked on mainnet nodes #6112

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twoeths opened this issue Nov 17, 2023 · 5 comments
Open

AttesterSlashings causes gc spiked on mainnet nodes #6112

twoeths opened this issue Nov 17, 2023 · 5 comments
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meta-bug Issues that identify a bug and require a fix. prio-high Resolve issues as soon as possible.

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twoeths commented Nov 17, 2023 •
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Describe the bug

This is on the stable and unstable mainnet node, since v1.12.0 Nov 14 gc rate increased significantly

Screenshot 2023-11-17 at 09 31 31

Epoch transition increased at the same time

Screenshot 2023-11-19 at 05 59 40

However it's significantly better on the 1k and md16 md64 goerli node

Screenshot 2023-11-17 at 09 32 21

Expected behavior

gc rate is the same or less compared to v1.11.x, or give an explanation on the difference

Steps to reproduce

No response

Additional context

No response

Operating system

Linux

Lodestar version or commit hash

v1.12.0
@twoeths twoeths added the meta-bug Issues that identify a bug and require a fix. label Nov 17, 2023
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twoeths commented Nov 17, 2023

Update: need to ignore 1k, md16, md64 nodes due to the spiked epoch transition time issue #6063

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twoeths commented Nov 17, 2023

This may not link to v1.12.0, could be because node processes more AtterterSlashing messages recently on mainnet. Found this on a node of 64 validators:

Screenshot 2023-11-17 at 16 49 28

This links to the recent high AttesterSlashing messages

Screenshot 2023-11-17 at 16 49 58

note that AtterterSlashing uses BigInt which may cause memory and performance issue to our node, see #5892

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twoeths commented Nov 17, 2023

also the gc increased at the same time

Screenshot 2023-11-17 at 17 21 48

@twoeths twoeths changed the title High gc rate since v1.12.0 High gc rate since Nov 14 Nov 18, 2023
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twoeths commented Nov 18, 2023

Confirm that there are a lot of validators get slashed on Nov 14 https://beaconcha.in/validators/slashings

@twoeths twoeths changed the title High gc rate since Nov 14 High gc rate since Nov 14 on mainnet nodes Nov 18, 2023
@twoeths twoeths self-assigned this Nov 20, 2023
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twoeths commented Nov 21, 2023

node wasn't able to recover since Nov 14

Screenshot 2023-11-21 at 13 01 43 Screenshot 2023-11-21 at 13 01 57

@twoeths twoeths added the prio-high Resolve issues as soon as possible. label Nov 21, 2023
@twoeths twoeths changed the title High gc rate since Nov 14 on mainnet nodes AttesterSlashings causes gc spiked on mainnet nodes Nov 21, 2023
This was referenced Nov 21, 2023
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@twoeths twoeths mentioned this issue Nov 30, 2023
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