Question about "Framework directly access Meso agent"

Hi, Currently, Mesos framework's task related operations lauchTask, updateStatus and executorSendMessage etc., and resource related operations resourceOffer etc., all operations are pass through Mesos Master. When the cluster and task number become huge, or with optimistic resource offer,

答复: Question about "Framework directly access Meso agent"

about "Framework directly access Meso agent" Suteng— such optimization makes sense in certain cases (e.g. sending a framework message), but it can be rather tricky in general, because the master has to maintain bookkeeping. Moreover, with the upcoming HTTP API it becomes harder for a

答复: encounter “Decoder error while receiving” error when using libprocess send, receive api

/browse/MESOS-5943 Are you obtaining libprocess from the mesos repository? Do you have the following patch in the version of libprocess you are running? https://reviews.apache.org/r/50634/ (Image attachments are dropped by the mail servers by the way) Ben On Sunday, October 16, 2016, Suteng

Does libprocess support multi-port?

Hi, Does libprocess support multi port? Some process bind to a port, and some other process bind to another port in the same OS process. Thanks, Teng [cid:image001.png@01D22FA3.49FDF300] Su Teng 00241668 Distributed and Parallel Software Lab Huawei Technologies Co., Ltd.

encounter “Decoder error while receiving” error when using libprocess send, receive api

Hi, We are build a cache system based on libprocess, and find when send/receive message at a high frequency, there always a decode error in libprocess make we loss the message. So we do write a testcase. it’s just a ping-pong test, including a server on one node, and several clients on the

libprocess “Failed connect: connection closed”

Hi, We meet to libprocess failure which is contained in mesos 1.0. Libprocess in run in ssl_enable mode. The failure is “Failed connect: connection closed”, when start to run the programe.” I think this failure is throw from void LibeventSSLSocketImpl::event_callback(short events); Anyone

libevent-2.1.8 SSL mode can't trigger recv callback

Hi, We upgrade libevent to version 2.1.8, when enable ssl, libevent won't trigger recv() when receive data. We have using tcpdump to make sure that data is received in kernel. Anyone meet this problem? Best regards, Teng [cid:image001.png@01D3574E.265979A0] Su Teng 00241668

CHECK_NOTNULL(self->bev) Check failed inside LibeventSSLSocketImpl::shutdown

F0622 11:22:30.985245 16127 libevent_ssl_socket.cpp:190] Check failed: 'self->bev' Must be non NULL Try LibeventSSLSocketImpl::shutdown(int how) CHECK_NOTNULL(self->bev) Test case: A server is non-ssl, B server is enable downgrade, B frequent link reconnect to A, then will generate this

答复: libprocess libevent backend

In libprocess libevent.cpp, is avoid to using epoll. These is the code: /home/suteng/code/mesos/3rdparty/libprocess/src/libevent.cpp 206 // TODO(jmlvanre): Allow support for 'epoll' once SSL related 207 // issues are resolved. 208 struct event_config* config = event_config_new(); 209

libprocess libevent backend

libprocess uie poll as libevent backend, can change to epoll to improve performance ? There is a TODO issue, is resolved? [cid:image001.png@01D3E323.E3736F30] Thanks, SU Teng [cid:image002.png@01D3E323.E3736F30] Su Teng 00241668 Distributed and Parallel Software Lab Huawei Technologies

答复: libprocess libevent backend

do you know why this is disabled? What were the issues? Suteng, can you file a JIRA ticket? On Thu, May 3, 2018 at 6:26 PM Suteng <sut...@huawei.com> wrote: > > In libprocess libevent.cpp, is avoid to using epoll. These is the code: > > /home/suteng/code/mesos/3rdparty/libprocess/