Splunk heavy forwarder throughput to indexer doesn't improve even after giving unlimited bandwidth maxKbps=0 , it's only getting 4MBps on a 24 core box with 128 GB RAM reading from nfs mount and forwarding to indexer on a 2x 10Gbps on a bonded interface.
Reading from NFS is not an issues as we were able to read/write at 30MB/s outside the forwarder using typical copy (cp)
What are the other limiting factors and what else can we tune from the Splunk side ? Please advise.
Also we noted it's using only 1 TCP connection to indexer.
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