Increase SFTP chunk size to increase the SFTP throughput in both directions #664
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Fixes: ansible#341 Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Thanks @kucharskim for the report and testing! Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
Signed-off-by: Jakub Jelen <[email protected]>
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SUMMARY
This is built on top of #638 so it depends on that change
Previously, the 1024b chunk was used, which resulted in large traffic overhead as each of the chunk needs to be wrapped in SFTP packet, as well as large overhead on high-latency links as the SFTP is now synchronous, waiting for every packet confirmation.
The libssh documentation recommends to use 16kB chunks, but using 32kB chunks should be safe as it still fits to the recommended limits in the SFTP specification. Using large reads could cause issues such as curl/curl#11804
ISSUE TYPE