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Fast OOM when syncing close to head #3171

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dapplion opened this issue Sep 14, 2021 · 0 comments · Fixed by #3169
Closed

Fast OOM when syncing close to head #3171

dapplion opened this issue Sep 14, 2021 · 0 comments · Fixed by #3169
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prio-high Resolve issues as soon as possible. scope-memory Issues to reduce and improve memory usage.

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@dapplion
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dapplion commented Sep 14, 2021 •
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Describe the bug

After stopping the node for a few minutes when it tries to sync to the head its memory spikes fast until it causes an OOM expection. The process is repeated after in loop.

Screenshot from 2021-09-14 20-51-44

Screenshot from 2021-09-14 20-52-02

The memory happens consistenly when the node is ~230 slots away from the head (7-8 epochs)

  • The issue does not happen with using the flag --weakSubjectivitySyncLatest
  • The issue does happen without validators attached

Expected behavior

Not OOM

Steps to Reproduce

Run a node close to head and let it sync with validators attached
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prio-high Resolve issues as soon as possible. scope-memory Issues to reduce and improve memory usage.
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Reduce SYNC_TOLERANCE_EPOCHS to 1 ChainSafe/lodestar
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@dapplion