Re: [grpc-io] Benchmarking questions
Has anyone outside Google measured c++ Bidi stream latency numbers? Can one expect to achieve single digit or small double digit microseconds latency? Thank you. > > On Dec 2, 2021 at 6:19 PM, (mailto:davidlofstr...@gmail.com)> wrote: > > > > I have a few questions after reading benchmarking page at > > https://grpc.io/docs/guides/benchmarking/ > > > > The benchmark seem to use secure channels. > > Parts of our solutions are totally isolated within a cluster and it will not > necessarily be required to use secure channels if the benefits are good > enough. > > Do you also have a benchmark for insecure channels? > > > > I've read some (unofficial) claims that Rust can have lower overhead as > compared to other languages using gRPC. > > Have anyone here experimented with benchmarking gRPC/Rust? > > If so how does it compare to other languages? > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "grpc.io (http://grpc.io)" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to grpc-io+unsubscr...@googlegroups.com > (mailto:grpc-io+unsubscr...@googlegroups.com). > To view this discussion on the web visit > https://groups.google.com/d/msgid/grpc-io/0004ec4f-d3f9-46e5-99ea-284d6ebd425cn%40googlegroups.com > > (https://groups.google.com/d/msgid/grpc-io/0004ec4f-d3f9-46e5-99ea-284d6ebd425cn%40googlegroups.com?utm_medium=email&utm_source=footer). > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/4f6bfa14-471a-4608-bb0c-b56abca594ee%40iPhone.
[grpc-io] Benchmarking questions
I have a few questions after reading benchmarking page at https://grpc.io/docs/guides/benchmarking/ The benchmark seem to use secure channels. Parts of our solutions are totally isolated within a cluster and it will not necessarily be required to use secure channels if the benefits are good enough. Do you also have a benchmark for insecure channels? I've read some (unofficial) claims that Rust can have lower overhead as compared to other languages using gRPC. Have anyone here experimented with benchmarking gRPC/Rust? If so how does it compare to other languages? -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/0004ec4f-d3f9-46e5-99ea-284d6ebd425cn%40googlegroups.com.
[grpc-io] Re: ImportError: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.33' not found
This was not resolved. I just re-installed Ubuntu on a RaspberryPi instead. I noticed that there's a new version of Debian for the RaspberryPi (Based on Debian version 11-bullseye), it might work now but I have not tried. Unfortunately, it seems like Google PubSub python package is just incompatible with *Debian GLIBC 2.28* On Wednesday, December 1, 2021 at 11:20:10 AM UTC-8 Dayton Turner wrote: > Same, I'm also just running into this and looking for a solution too! > please let us know if you figure it out! > > On Tuesday, 30 November 2021 at 21:15:53 UTC-8 jeremy scott wrote: > >> I'm having the same exact issue. Did this issue ever get resolved? >> >> >> On Wednesday, October 27, 2021 at 8:44:54 PM UTC-7 Antonio Orozco wrote: >> >>> This is the first time trying to use google pub/sub python package. >>> >>> Command that I used to install: >>> python3 -m pip --no-cache-dir install grpcio >>> >>> I tried many other ways, all yield the same result. "sudo pip3..", >>> "sudo pip...", "pip3 ...", "pip..." >>> It works perfectly on Ubuntu 20.04. >>> Looking in indexes: https://pypi.org/simple, >>> https://www.piwheels.org/simple >>> Collecting grpcio >>> Downloading >>> https://files.pythonhosted.org/packages/9e/68/721d94afa6fea6c559b1d795d2bae0147b3db9b43f4069d392371a2b8cab/grpcio-1.41.1-cp37-cp37m-linux_armv7l.whl >>> >>> (47.9MB) >>> 100% || 48.0MB 12.8MB/s >>> Requirement already satisfied: six>=1.5.2 in >>> ./.local/lib/python3.7/site-packages (from grpcio) (1.16.0) >>> Installing collected packages: grpcio >>> Successfully installed grpcio-1.41.1 >>> >>> ldd --version >>> ldd (*Debian GLIBC 2.28-10+rpt2+rpi1*) 2.28 >>> Copyright (C) 2018 Free Software Foundation, Inc. >>> This is free software; see the source for copying conditions. There is >>> NO >>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR >>> PURPOSE. >>> Written by Roland McGrath and Ulrich Drepper. >>> >>> On Wednesday, October 27, 2021 at 10:21:07 AM UTC-7 rbel...@google.com >>> wrote: >>> How did you install grpcio? If you used pip install grpcio, can you please include the installation logs? Did this work on previous versions? On Monday, October 25, 2021 at 8:33:16 PM UTC-7 Antonio Orozco wrote: > Traceback (most recent call last): > File "fpl_notifications.py", line 4, in > *from google.cloud import pubsub_v1* > File > "/home/antonio/.local/lib/python3.7/site-packages/google/cloud/pubsub_v1/__init__.py", > > line 17, in > from google.cloud.pubsub_v1 import types > File > "/home/antonio/.local/lib/python3.7/site-packages/google/cloud/pubsub_v1/types.py", > > line 25, in > from google.api_core import gapic_v1 > File > "/home/antonio/.local/lib/python3.7/site-packages/google/api_core/gapic_v1/__init__.py", > > line 16, in > from google.api_core.gapic_v1 import config > File > "/home/antonio/.local/lib/python3.7/site-packages/google/api_core/gapic_v1/config.py", > > line 23, in > import grpc > File > "/home/antonio/.local/lib/python3.7/site-packages/grpc/__init__.py", line > 22, in > from grpc import _compression > File > "/home/antonio/.local/lib/python3.7/site-packages/grpc/_compression.py", > line 15, in > from grpc._cython import cygrpc > *ImportError: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.33' > not found* (required by > /home/antonio/.local/lib/python3.7/site-packages/grpc/_cython/ > cygrpc.cpython-37m-arm-linux-gnueabihf.so) > > On Monday, October 25, 2021 at 8:22:28 PM UTC-7 Antonio Orozco wrote: > >> Hello, >> >> Running into the following issue on a Raspberry Pi 4 >> >> $ lsb_release -a >> No LSB modules are available. >> Distributor ID: Raspbian >> Description:Raspbian GNU/Linux 10 (buster) >> Release:10 >> Codename: buster >> $ uname -a >> Linux liverpool 5.10.63-v7l+ #1459 SMP Wed Oct 6 16:41:57 BST 2021 >> armv7l GNU/Linux >> >> >> Python 3.7.3 (default, Jan 22 2021, 20:04:44) >> [GCC 8.3.0] on linux >> Type "help", "copyright", "credits" or "license" for more information. >> >>> from grpc._cython import cygrpc >> Traceback (most recent call last): >> File "", line 1, in >> File >> "/home/antonio/.local/lib/python3.7/site-packages/grpc/__init__.py", >> line >> 22, in >> from grpc import _compression >> File >> "/home/antonio/.local/lib/python3.7/site-packages/grpc/_compression.py", >> line 15, in >> from grpc._cython import cygrpc >> ImportError: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.33' >> not found (required by >> /home/antonio/.local/lib/python3.7/site-packages/grpc/_cython/ >> cygrpc.cpython-37m-ar
[grpc-io] Re: Is this a valid way to multi thread RPC handlers in gRPC async server in C++?
On Sunday, November 14, 2021 at 9:59:34 PM UTC-8 Rajanarayana A wrote: > I see that there is a possibility of one instance of CallData being > accessed in multiple threads (returned as part of tag). Is CallData > thread-safe here or do we need to have a mutex for the same? There's an older thread on a similar topic, "How to implement async gRPC with more than one method?" [1]. It talks about how to manage multiple CallData instances at once, which may be relevant to what you're doing. [1]: https://groups.google.com/g/grpc-io/c/bXMmfah57h4/m/EUg2B8o1AgAJ -- Christopher Warrington Microsoft Corp -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/0f3c0152-ff1c-4d82-857f-3c04cad94ca4n%40googlegroups.com.
[grpc-io] Re: gRPC wait server ready
Good news, thank you!
среда, 1 декабря 2021 г. в 21:27:36 UTC+3, yas...@google.com:
> I think this API is pretty stable and should be promoted.
> https://github.com/grpc/grpc/pull/28247
>
> On Tuesday, November 9, 2021 at 1:06:03 PM UTC-8 Сергей Соболев wrote:
>
>> Hi, everyone!
>> I'm writing test (with gtest) with grpc similar to the following (in C++
>> pseudocode):
>>
>> class Fixture {
>> void SetUp() { m_server = BuildAndStart(); }
>> void TearDown() { m_server->Shutdown(); }
>> };
>>
>> TEST_F(Fixture, *Test1*) { ASSERT_EQ(clientStub->rpcCall(ctx),
>> grpc::Status::OK); }
>> TEST_F(Fixture, Test2) { ASSERT_EQ(clientStub->rpcCall(ctx),
>> grpc::Status::OK); }
>>
>> When compiling (clang++11) with a thread sanitizer (grpc library
>> compiling with tsan too) sometimes I get an error UNAVALABLE (code 14) with
>> logs:
>> "Failed to pick subchannel", "Failed to connect to all addresses" and
>> observe the state of the channel is TRANSIENT_FAILURE.
>> But only the first test always fails (*Test1*). Searching the internet I
>> found the following suitable solution
>> https://chromium.googlesource.com/external/github.com/grpc/grpc/+/HEAD/examples/python/wait_for_ready/
>> In other words, with tsan I guess grpc library does not have enough time
>> to fully initialize (Test2 is always OK). After use
>> grpc::ClientContext::set_wait_for_ready(bool) method problem solved
>>
>> TEST_F(Fixture, Test1) { ASSERT_EQ(clientStub->rpcCall(ctx*WithWait*),
>> grpc::Status::OK); }
>> TEST_F(Fixture, Test2) { ASSERT_EQ(clientStub->rpcCall(ctx*WithWait*),
>> grpc::Status::OK); }
>>
>> My questions are:
>>
>>1. grpc::ClientContext::set_wait_for_ready(bool) marked as
>>EXPERIMENTAL (C++ api) and may be removed in the future, but
>>grpc::ClientContext::set_fail_fast(bool) method is DEPRECATED. It's
>>recommended to use wait_for_ready(). Is it true that in the future
>>set_wait_for_ready should become a replacement set_fail_fast?
>>2. Are there any other ways to solve this problem? I was also looking
>>at ChannelState API
>>
>> https://chromium.googlesource.com/external/github.com/grpc/grpc/+/refs/heads/chromium-deps/2016-09-09/doc/connectivity-semantics-and-api.md
>> Which
>>way is more correct and reliable?
>>
>> I will also need to implement similar logic in C# code. In C# this is a
>> CallOptions.WithWaitForReady(bool) method, but it's EXPERIMENTAL too
>>
>> Wished to clear up a misunderstanding and choose the right solution.
>>
>> Thank you for your time.
>> Highly appreciated.
>> Sergey
>>
>
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