TH5-512 ingress and egress lossy queue buffer size change#23343
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kperumalbfn merged 6 commits intosonic-net:masterfrom Jul 18, 2025
Merged
TH5-512 ingress and egress lossy queue buffer size change#23343kperumalbfn merged 6 commits intosonic-net:masterfrom
kperumalbfn merged 6 commits intosonic-net:masterfrom
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egress buffer size change
egress buffer size change
change ingress buffer pool size
change ingress buffer pool size
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@anilkpan @rick-arista pls help review |
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Jul 15, 2025
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Jul 17, 2025
device/arista/x86_64-arista_7060x6_64pe_b/Arista-7060X6-64PE-B-C512S2/buffers_defaults_t0.j2
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Jul 18, 2025
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Cherry-pick PR to msft-202412: Azure/sonic-buildimage-msft#1380 |
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Cherry-pick PR to 202505: #23394 |
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Why I did it
BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, leading to the reduction of available lossy queue buffer.
Without this change, there will be a syncd crash on default buffer profile pairing with SAI 13.2.1.
Work item tracking
How I did it
Reduce default ingress and egress lossy buffer size from 165307264 with 161999982
How to verify it
Verified on Arista-7060X6-64PE-B-C512S2
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
BRCM SAI 13.2.1 increases the pkt trim buffer pool to 1.7MB, available lossy queue buffer size to be reduced accordingly.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)