Chuck Lever 566a414558 svcrdma: Increase the server's default RPC/RDMA credit grant
The range of commits from commit e3274026e2 ("SUNRPC: move all of
xprt handling into svc_xprt_handle()") to commit 15d39883ee
("SUNRPC: change the back-channel queue to lwq") enabled NFSD
performance to scale better as the number of nfsd threads is
increased. These commits were merged in v6.7.

Now that the nfsd thread count can scale to more threads, permit
individual clients to make more use of those threads. Increase the
RPC/RDMA per-connection credit grant from 64 to 128 -- same as the
Linux NFS client.

Simple single client fio-based benchmarking so far shows only
improvement, no regression.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2025-11-16 18:20:11 -05:00
2025-11-15 10:52:01 -08:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-11-16 14:25:38 -08:00
2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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