Hi guys, this (old) thread has no answers. @Donald, did you find out answer to your second question ? (first one depends on the second imho)
@all, Any pointer or extra info would be great. Alain 2014-10-22 18:03 GMT+02:00 Donald Smith <donald.sm...@audiencescience.com>: > Sorry, I copy-and-pasted the wrong variable name. I meant to copy and > paste *streaming_socket_timeout_in_ms*. So my question should be: > > > > *streaming_socket_timeout_in_ms* is the timeout per operation on the > streaming socket. The docs recommend not to set it too low (because a > timeout causes streaming to restart from the beginning). But the default 0 > never times out. What's a reasonable value? > > > > > > # Enable socket timeout for streaming operation. > > # When a timeout occurs during streaming, streaming is retried from the > start > > # of the current file. This _can_ involve re-streaming an important amount > of > > # data, so you should avoid setting the value too low. > > # Default value is 0, which never timeout streams. > > # streaming_socket_timeout_in_ms: 0 > > > > My second question is: Does it stream an entire SSTable in one operation? > I doubt it. How large is the object it streams in one operation? I'm > tempted to put the timeout at 30 seconds or 1 minute. Is that too low?. > > > > The entire file (SSTable) is large - several hundred megabytes. Is the > timeout for streaming the entire file? Or only a block of it? > > > > Don > > > > *From:* Marcus Eriksson [mailto:krum...@gmail.com] > *Sent:* Friday, October 17, 2014 4:05 AM > *To:* user@cassandra.apache.org > *Subject:* Re: stream_throughput_outbound_megabits_per_sec > > > > > > > > On Thu, Oct 16, 2014 at 1:54 AM, Donald Smith < > donald.sm...@audiencescience.com> wrote: > > > > *stream_throughput_outbound_megabits_per_sec* is the timeout per > operation on the streaming socket. The docs recommend not to have it too > low (because a timeout causes streaming to restart from the beginning). But > the default 0 never times out. What's a reasonable value? > > > > no, it is not a timeout, it states how fast sstables are streamed > > > > > Does it stream an entire SSTable in one operation? I doubt it. How large > is the object it streams in one operation? I'm tempted to put the timeout > at 30 seconds or 1 minute. Is that too low? > > > > unsure what you meat by 'operation' here, but it is one tcp connection, > streaming the whole file (if thats what we want) > > > > > > /Marcus >
