jazzm0 commented on issue #686:
URL: https://github.com/apache/mina-sshd/issues/686#issuecomment-2720984516
Ok, in fact now I tried with the above suggestion with `OutputStream os =
client.write("out.txt", 32768,
SftpClient.OpenMode.Write, SftpClient.OpenMode.Create,
SftpClient.OpenMode.Truncate)).`
It made a big difference in performance! I repeat now the same tests 5
times, to get more accurate results. On the left hand side it's with
BouncyCastleSecurityProviderRegistrar on the right hand side it's
AndroidOpenSSLSecurityProviderRegistrar:
2.9.0 -> 11486.820717968334 kB/s
2.10.0 -> 5303.628254369023 kB/s 5255.074587674915 kB/s
2.13.0 -> 5366.038707526245 kB/s 7824.817116975091 kB/s
2.14.0 -> 4683.725743098117 kB/s 7135.910996529645 kB/s
2.15.0 -> 4693.1596191998815 kB/s 7148.582695099384 kB/s
Unfortunately 2.9.0 seem to have an issue with
AndroidOpenSSLSecurityProviderRegistrar. I get an exception with a dependency
issue.
I'll profile the app, and look for the hotspots focusing on the versions
between 2.9.0 and 2.10.0.
Your help already improved the performance.
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