Hey,
are you using HTTP keep alive connections? If not consider switching to
them, as reopening a new TCP connection not only results in high latencies
but also removes file handle resources from the elasticsearch process (the
number of open files). if your client/language does not support this,
I'm trying to scale my indexing for the first time, and I'm running into
connections problems. I reach a scale where cURL connections from my
indexers start getting cURL7 errors ( connect failed ). It looks like ES
just stops accepting all HTTP connections for a period of time. I cannot
