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https://issues.apache.org/jira/browse/TS-4719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Sorber reassigned TS-4719:
-------------------------------
Assignee: Phil Sorber
> Should have NUMA affinity for disk threads (AIO threads)
> --------------------------------------------------------
>
> Key: TS-4719
> URL: https://issues.apache.org/jira/browse/TS-4719
> Project: Traffic Server
> Issue Type: Improvement
> Components: Cache, Core
> Reporter: Leif Hedstrom
> Assignee: Phil Sorber
> Fix For: 7.0.0
>
>
> We should properly interleave AIO threads (disk threads) evenly across the
> NUMA nodes, and have affinity on those nodes. That would allow for better
> memory distribution across NUMA nodes. We've noticed pretty uneven
> allocations on some boxes, which I attribute to this problem (but no strong
> evidence, but it does make sense).
> {code}
> Per-node process memory usage (in MBs) for PID 33471 ([ET_NET 0])
> Node 0 Node 1 Total
> --------------- --------------- ---------------
> Huge 0.00 0.00 0.00
> Heap 0.00 0.00 0.00
> Stack 1.38 0.64 2.02
> Private 188993.75 59142.80 248136.55
> ---------------- --------------- --------------- ---------------
> Total 188995.13 59143.44 248138.57
> {code}
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