Fwd: users-list Digest, Vol 89, Issue 2

10 Jan 2020

      Hi Jenni,

Appreciate your time Jennie, for clarity, we had installed Monetdb using
the steps shared in my earlier email and were actively using the database
for our evaluation. We faced the aforesaid issue when the server crashed
due to an outage and was started again. I would be happy to hear from you
if there were anything that would help us correct our installation steps.

---------- Forwarded message ---------
From: Kalaiarasi Gowtham 
Date: Thu, 9 Jan 2020 at 19:25
Subject: Re: users-list Digest, Vol 89, Issue 2
To: 

Hi Jenni,
   Please, find the below steps I have followed to install monetdb

*Installation of MonetDB in CentOS 7*

*Installing dependencies*

# yum update

# yum install python autoconf automake libtool bison openssl openssl-devel
gettext-devel git

# git clone https://github.com/MonetDB/MonetDB.git

# cd /MonetDB

# ./bootstrap

# cd ..

# mkdir testdir

# cd testdir

*To enable py3integration python version 3 should be installed*

# yum install centos-release-scl

# yum install rh-python36

# scl enable rh-python36 bash

*check python version*

# python -V

then

# ../MonetDB/configure –enable-py3integration=yes

# make

# make install

Thanks and regards,

Kalai

On Wed, 8 Jan 2020 at 16:31,  wrote:
...
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Today's Topics:
1. Re: pymonetdb issue (ferreira)
   2. Re: Monetdb (Ying Zhang)
----------------------------------------------------------------------
Message: 1
Date: Tue, 7 Jan 2020 17:22:59 +0000
From: ferreira 
To: Communication channel for MonetDB users ,
        ALEX OSSIPOV 
Subject: Re: pymonetdb issue
Message-ID:
        <0e74a920-b2ad-2993-b1dc-fcd7a49105bb@monetdbsolutions.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Hello Alex,
I just looked at pymonetdb source code and indeed it does not support
IPv6 yet. I'm going to create an issue to request for it. The reason is
because in the past, the MAPI protocol (which MonetDB uses for socket
connections) didn't support IPv6, so the clients (Python, Ruby, JDBC,
etc.) never had to implemented them. However they can now add this option.
Best regards,
Pedro
On 12/22/19 5:30 AM, ALEX OSSIPOV wrote:
...
Hi All
I installed pymonetdb v 1.2.1 and trying to connect to remote
server?MonetDB v11.35.3 (Nov2019) listening on IPV6 only. I have got
next error in python client:
...
...
...
mapi_connection.connect(hostname="", port=xxxxx,
username="monetdb", password="monetdb", database="demo",
language="sql", unix_socket=None, connect_timeout=-1)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.7/site-packages/pymonetdb/mapi.py", line
143, in connect
self.socket.connect((hostname, port))
socket.gaierror: [Errno -2] Name or service not known
My pc client is also using ipv6 to connect to MonetDB server. I also
have jdbc connection that works fine.
Question:
Does it mean pymonetdb does not support ipv6 only environment?
What would be the reason if it has nothing to do with protocol?
Thanks
Alex
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