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Update README.md since the project is no longer under construction, and
can reference the main website.
---------
Signed-off-by: Harkrishn Patro <harkrisp@amazon.com>
Adds an option to build RDMA support as a module:
make BUILD_RDMA=module
To start valkey-server with RDMA, use a command line like the following:
./src/valkey-server --loadmodule src/valkey-rdma.so \
port=6379 bind=xx.xx.xx.xx
* Implement server side of connection module only, this means we can
*NOT*
compile RDMA support as built-in.
* Add necessary information in README.md
* Support 'CONFIG SET/GET', for example, 'CONFIG Set rdma.port 6380',
then
check this by 'rdma res show cm_id' and valkey-cli (with RDMA support,
but not implemented in this patch).
* The full listeners show like:
listener0:name=tcp,bind=*,bind=-::*,port=6379
listener1:name=unix,bind=/var/run/valkey.sock
listener2:name=rdma,bind=xx.xx.xx.xx,bind=yy.yy.yy.yy,port=6379
listener3:name=tls,bind=*,bind=-::*,port=16379
Because the lack of RDMA support from TCL, use a simple C program to
test
Valkey Over RDMA (under tests/rdma/). This is a quite raw version with
basic
library dependence: libpthread, libibverbs, librdmacm. Run using the
script:
./runtest-rdma [ OPTIONS ]
To run RDMA in GitHub actions, a kernel module RXE for emulated soft
RDMA, needs
to be installed. The kernel module source code is fetched a repo
containing only
the RXE kernel driver from the Linux kernel, but stored in an separate
repo to
avoid cloning the whole Linux kernel repo.
----
Since 2021/06, I created a
[PR](https://github.com/redis/redis/pull/9161) for *Redis Over RDMA*
proposal. Then I did some work to [fully abstract connection and make
TLS dynamically loadable](https://github.com/redis/redis/pull/9320), a
new connection type could be built into Redis statically, or a separated
shared library(loaded by Redis on startup) since Redis 7.2.0.
Base on the new connection framework, I created a new
[PR](https://github.com/redis/redis/pull/11182), some
guys(@xiezhq-hermann @zhangyiming1201 @JSpewock @uvletter @FujiZ)
noticed, played and tested this PR. However, because of the lack of time
and knowledge from the maintainers, this PR has been pending about 2
years.
Related doc: [Introduce *Valkey Over RDMA*
specification](https://github.com/valkey-io/valkey-doc/pull/123). (same
as Redis, and this should be same)
Changes in this PR:
- implement *Valkey Over RDMA*. (compact the Valkey style)
Finally, if this feature is considered to merge, I volunteer to maintain
it.
---------
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
I added details at the end with the Valkey entity information under an
"About Valkey" heading. Please feel free to adjust the heading if that's
not an appropriate one to use.
---------
Signed-off-by: Mike Dolan <mikedolan@gmail.com>
Signed-off-by: Madelyn Olson <madelyneolson@gmail.com>
Co-authored-by: Madelyn Olson <madelyneolson@gmail.com>
This PR introduces Codecov to automate code coverage tracking for our
project's tests.
For more information about the Codecov platform, please refer to
https://docs.codecov.com/docs/quick-start
---------
Signed-off-by: Vitah Lin <vitahlin@gmail.com>
Co-authored-by: Madelyn Olson <madelyneolson@gmail.com>
Adds a new make variable called `USE_REDIS_SYMLINKS`, with default value
`yes`. If yes, then `make install` creates additional symlinks to the
installed binaries:
* `valkey-server`
* `valkey-cli`
* `valkey-benchmark`
* `valkey-check-rdb`
* `valkey-check-aof`
* `valkey-sentinel`
The names of the symlinks are the legacy redis binary names
(`redis-server`, etc.). The purpose is to provide backward compatibility
for scripts expecting the these filenames. The symlinks are installed in
the same directory as the binaries (typically `/usr/local/bin/` or
similar).
Similarly, `make uninstall` removes these symlinks if
`USE_REDIS_SYMLINKS` is `yes`.
This is described in a note in README.md.
Fixes#147
---------
Signed-off-by: Vitah Lin <vitahlin@gmail.com>
Co-authored-by: Madelyn Olson <34459052+madolson@users.noreply.github.com>
Documentation references should use `Valkey` while server and cli
references are all under `valkey`.
---------
Signed-off-by: Madelyn Olson <madelyneolson@gmail.com>
Redis commands has been significantly refactored in 7.0.
This PR updates the outdated README.md to reflect it.
Based on #10864, doing some additional cleanups.
Co-authored-by: theoboldalex <theoboldalex@gmail.com>
Co-authored-by: Oran Agra <oran@redislabs.com>
CONTRIBUTING to get better formatting
CONDUCT also because github doesn't seem recognize the code of conduct page
Co-authored-by: Oran Agra <oran@redislabs.com>
Sort the sub-commands so that every time we execute the script it generates the exact same results.
This will case less merge conflicts if two PRs edit different json files.
also:
* make the script agnostic to where it is executed (more flexible).
* add documentation about commands.c and the json files in the readme.
Co-authored-by: Oran Agra <oran@redislabs.com>
Redis function unit is located inside functions.c
and contains Redis Function implementation:
1. FUNCTION commands:
* FUNCTION CREATE
* FCALL
* FCALL_RO
* FUNCTION DELETE
* FUNCTION KILL
* FUNCTION INFO
2. Register engine
In addition, this commit introduce the first engine
that uses the Redis Function capabilities, the
Lua engine.
This PR adds a spell checker CI action that will fail future PRs if they introduce typos and spelling mistakes.
This spell checker is based on blacklist of common spelling mistakes, so it will not catch everything,
but at least it is also unlikely to cause false positives.
Besides that, the PR also fixes many spelling mistakes and types, not all are a result of the spell checker we use.
Here's a summary of other changes:
1. Scanned the entire source code and fixes all sorts of typos and spelling mistakes (including missing or extra spaces).
2. Outdated function / variable / argument names in comments
3. Fix outdated keyspace masks error log when we check `config.notify-keyspace-events` in loadServerConfigFromString.
4. Trim the white space at the end of line in `module.c`. Check: https://github.com/redis/redis/pull/7751
5. Some outdated https link URLs.
6. Fix some outdated comment. Such as:
- In README: about the rdb, we used to said create a `thread`, change to `process`
- dbRandomKey function coment (about the dictGetRandomKey, change to dictGetFairRandomKey)
- notifyKeyspaceEvent fucntion comment (add type arg)
- Some others minor fix in comment (Most of them are incorrectly quoted by variable names)
7. Modified the error log so that users can easily distinguish between TCP and TLS in `changeBindAddr`
When we allocate a client struct with 16k reply buffer, the allocator we may give us 20K,
This commit makes use of that extra space.
Additionally, it tries to store whatever it can from the reply into the static 'buf' before
allocating a new node for the reply list.
Rather than blindly evicting until maxmemory limit is achieved, this
update adds a time limit to eviction. While over the maxmemory limit,
eviction will process before each command AND as a timeProc when no
commands are running.
This will reduce the latency impact on many cases, especially pathological
cases like massive used memory increase during dict rehashing.
There is a risk that some other edge cases (like massive pipelined use
of MGET) could cause Redis memory usage to keep growing despite the
eviction attempts, so a new maxmemory-eviction-tenacity config is
introduced to let users mitigate that.
Update adds a general source for retrieving a monotonic time.
In addition, AE has been updated to utilize the new monotonic
clock for timer processing.
This performance improvement is **not** enabled in a default build due to various H/W compatibility
concerns, see README.md for details. It does however change the default use of gettimeofday with
clock_gettime and somewhat improves performance.
This update provides the following
1. An interface for retrieving a monotonic clock. getMonotonicUs returns a uint64_t (aka monotime)
with the number of micro-seconds from an arbitrary point. No more messing with tv_sec/tv_usec.
Simple routines are provided for measuring elapsed milli-seconds or elapsed micro-seconds (the
most common use case for a monotonic timer). No worries about time moving backwards.
2. High-speed assembler implementation for x86 and ARM. The standard method for retrieving the
monotonic clock is POSIX.1b (1993): clock_gettime(CLOCK_MONOTONIC, timespec*). However, most
modern processors provide a constant speed instruction clock which can be retrieved in a fraction
of the time that it takes to call clock_gettime. For x86, this is provided by the RDTSC
instruction. For ARM, this is provided by the CNTVCT_EL0 instruction. As a compile-time option,
these high-speed timers can be chosen. (Default is POSIX clock_gettime.)
3. Refactor of event loop timers. The timer processing in ae.c has been refactored to use the new
monotonic clock interface. This results in simpler/cleaner logic and improved performance.
