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Oracle® ZFS Storage Appliance Analytics Guide, Release OS8.8.0

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Updated: November 2018
 
 

Network: TCP Bytes

This statistic shows TCP payload bytes/second, excluding the Ethernet/IB, IP and TCP headers.

When to Check TCP Bytes

Rarely. Network throughput monitoring can be achieved using the standard Analytics statistic Network Device bytes, which is enabled and achieved by default. Examining by-client throughput can usually be achieved through the Protocol statistic (for example, Protocol iSCSI bytes, which allows other useful breakdowns based on the protocol). This statistic is most useful if the previous two were not appropriate for some reason.

TCP Bytes Breakdowns

Table 78  Breakdowns of TCP Bytes
Breakdown
Description
client
Remote client, either as a hostname or IP address
local service
TCP port: http/ssh/215(administration)/...
direction
Relative to the appliance, in/out
local IP address
The appliance IP address that packets are sent from or received on