diff options
| -rw-r--r-- | paramiko/sftp_client.py | 10 | ||||
| -rw-r--r-- | paramiko/sftp_file.py | 10 |
2 files changed, 16 insertions, 4 deletions
diff --git a/paramiko/sftp_client.py b/paramiko/sftp_client.py index a0d38bb9..8ebeb85e 100644 --- a/paramiko/sftp_client.py +++ b/paramiko/sftp_client.py @@ -783,7 +783,10 @@ class SFTPClient(BaseSFTP, ClosingContextManager): :param int max_concurrent_prefetch_requests: The maximum number of concurrent read requests to prefetch. When this is ``None`` (the default), do not limit the number of - concurrent prefetch requests. + concurrent prefetch requests. Note: OpenSSH's sftp internally + imposes a limit of 64 concurrent requests, while Paramiko imposes + no limit by default; consider setting a limit if a file can be + successfully received with sftp but hangs with Paramiko. :return: the `number <int>` of bytes written to the opened file object .. versionadded:: 1.10 @@ -821,7 +824,10 @@ class SFTPClient(BaseSFTP, ClosingContextManager): :param int max_concurrent_prefetch_requests: The maximum number of concurrent read requests to prefetch. When this is ``None`` (the default), do not limit the number of - concurrent prefetch requests. + concurrent prefetch requests. Note: OpenSSH's sftp internally + imposes a limit of 64 concurrent requests, while Paramiko imposes + no limit by default; consider setting a limit if a file can be + successfully received with sftp but hangs with Paramiko. .. versionadded:: 1.4 .. versionchanged:: 1.7.4 diff --git a/paramiko/sftp_file.py b/paramiko/sftp_file.py index 12861df7..86d9a560 100644 --- a/paramiko/sftp_file.py +++ b/paramiko/sftp_file.py @@ -457,7 +457,10 @@ class SFTPFile(BufferedFile): :param int max_concurrent_requests: The maximum number of concurrent read requests to prefetch. When this is ``None`` (the default), do not limit the number of - concurrent prefetch requests. + concurrent prefetch requests. Note: OpenSSH's sftp internally + imposes a limit of 64 concurrent requests, while Paramiko imposes + no limit by default; consider setting a limit if a file can be + successfully received with sftp but hangs with Paramiko. .. versionadded:: 1.5.1 .. versionchanged:: 1.16.0 @@ -492,7 +495,10 @@ class SFTPFile(BufferedFile): :param int max_concurrent_prefetch_requests: The maximum number of concurrent read requests to prefetch. When this is ``None`` (the default), do not limit the number of - concurrent prefetch requests. + concurrent prefetch requests. Note: OpenSSH's sftp internally + imposes a limit of 64 concurrent requests, while Paramiko imposes + no limit by default; consider setting a limit if a file can be + successfully received with sftp but hangs with Paramiko. :return: a list of blocks read, in the same order as in ``chunks`` .. versionadded:: 1.5.4 |