8000 Agave-validator crashing periodically with "Failed to map the data file: Cannot allocate memory (os error 12)" · Issue #5774 · anza-xyz/agave · GitHub
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Agave-validator crashing periodically with "Failed to map the data file: Cannot allocate memory (os error 12)" #5774

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< 8DA2 div class="flex-auto min-width-0 mb-2"> akahand opened this issue Apr 11, 2025 · 0 comments
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Agave-validator crashing periodically with "Failed to map the data file: Cannot allocate memory (os error 12)" #5774

akahand opened this issue Apr 11, 2025 · 0 comments
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akahand commented Apr 11, 2025 •
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Version: agave-validator 2.1.16 (src:5002c630; feat:3271415109, client:Agave)

[2025-04-11T13:20:47.084714298Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 736): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.
[2025-04-11T13:20:47.084724378Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 768): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.
[2025-04-11T13:20:47.084714948Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 544): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.
[2025-04-11T13:20:47.084725698Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 384): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.
[2025-04-11T13:20:47.084715668Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 608): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.
[2025-04-11T13:20:47.084727288Z ERROR solana_accounts_db::accounts_hash] Failed to map the data file (size: 384): Cannot allocate memory (os error 12). Please increase sysctl vm.max_map_count or equivalent for your platform.

Memory

               total        used        free      shared  buff/cache   available
Mem:           1.1Ti       395Gi        22Gi       1.0Mi       714Gi       730Gi
Swap:          4.0Gi        38Mi       4.0Gi

/etc/sysctl.d/21-solana-validator.conf

net.core.rmem_default = 134217728
net.core.rmem_max = 134217728
net.core.wmem_default = 134217728
net.core.wmem_max = 134217728
vm.max_map_count = 2000000
fs.nr_open = 1000000

First, vm.max_map_count was 1000000. Agave periodically crashed. An increase max_map_count to 200000 does not solve the problem.
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