Thanks，Flavio:
So there are two questions:
1. Is dpcls lookup More efficiency than EMC?
2. If I just want to enlarge emc entry num by change EM_FLOW_HASH_SHIFT
value, are there any drawbacks ?
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发件人：Flavio Leitner <[email protected]>
发送时间：2019年3月14日(星期四) 04:05
收件人：txfh2007 <[email protected]>
抄 送：ovs-discuss <[email protected]>
主 题：Re: [ovs-discuss] [HELP] Question about Performance issues in high
concurrency scenarios
On Tue, Mar 05, 2019 at 03:38:43PM +0800, txfh2007 via discuss wrote:
> Hi everyone:
> I have test ovs-dpdk PVP performance for several days . And I
> have found in high concurrency scenarios(eg. 100K mac-ip
> streams), the ovs-dpdk performance gets significant decline.
> And one cause of performance decline is the emc entry num
> limitation, is that right? If I just increase emc entry num,
> will other problems occur ? Are there any suggession helping to
> get performance improvement under high concurrency scenarios?
Perhaps you could consider disabling EMC if its size is not enough.
fbl
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