Re: data modeling appointment scheduling

2018-11-04 Thread I PVP
s? On Sun, Nov 4, 2018 at 12:46 PM I PVP mailto:i...@hotmail.com>> wrote: Could you please provide advice on the modeling approach for the following appointment scheduling scenario? I am struggling to model in an way that allows to satisfy the requirement to be able to update an

data modeling appointment scheduling

2018-11-04 Thread I PVP
Could you please provide advice on the modeling approach for the following appointment scheduling scenario? I am struggling to model in an way that allows to satisfy the requirement to be able to update an appointment, specially to be able to change the start datetime and consequently the

Re: Working With Prepared Statements

2017-08-29 Thread I PVP
ture.s3.amazonaws.com/2016/banners/V1_3_email_signature.png]<https://liveperson.docsend.com/view/8iiswfp> On Tue, Aug 29, 2017 at 3:04 PM, Nicolas Guyomar mailto:nicolas.guyo...@gmail.com>> wrote: I would suggest to read this post by the last pickle: http://thelastpickle.com/blog/2016/

Cassandra + Stratio’s Cassandra Lucene Index for online quering

2017-07-28 Thread I PVP
Considering that Stratio’s Cassandra Lucene Index, "..is a plugin for Apache Cassandra that extends its index functionality to provide near real time search such as ElasticSearch or Solr..". Can I use Stratio’s Cassandra Lucene Index to build a online reporting functionality

Re: /etc/init.d/cassandra for RHEL

2017-03-29 Thread I PVP
This one worked fine https://blog.tomas.cat/sites/default/files/cassandra.initd On March 29, 2017 at 2:17:17 AM, I PVP (i...@hotmail.com<mailto:i...@hotmail.com>) wrote: i tried using the https://github.com/apache/cassandra/blob/trunk/redhat/cassandra won’t start using my own values

Re: /etc/init.d/cassandra for RHEL

2017-03-28 Thread I PVP
i tried using the https://github.com/apache/cassandra/blob/trunk/redhat/cassandra won’t start using my own values and it is not generating logs at all. had you ever saw this behavior before? JAVA_HOME is properly set the user and group cassandra exist cassandra:cassandra is the owner of the

/etc/init.d/cassandra for RHEL

2017-03-28 Thread I PVP
any recommend /etc/init.d/cassandra for RHEL when installing it from apache-cassandra-3.10-bin.tar.gz ? i goggled it but could not find anything that seems to be "proven"

Re: Modeling Audit Trail on Cassandra

2016-03-18 Thread I PVP
will be used to allow querying/filtering on executedat (timestamp) ,objecttype(order, customer, ticket, message,account, paymenttransaction,refund etc.) and actiontype(create, retrieve, update, delete, approve, activate, unlock, lock etc.) . I am considering to count exclusively on Stratio’s

Modeling Audit Trail on Cassandra

2016-03-15 Thread I PVP
Hi everyone, I am looking for your feedback or advice on modeling an audit trail log table on Cassandra that stores information from tracking everything an employee changes within the application. The existing application is being migrated from mysql to Cassandra. Is text the most

RE: Modeling transactional messages

2016-03-04 Thread I PVP
aterialized views in the 3.x versions. You are setting up something like a queue, which is typically an anti-pattern for Cassandra. However, I will at least toss out an idea for the rest of the community to improve (or utterly reject): You could have an unsent mail table and a sent mail tabl

Modeling transactional messages

2016-03-03 Thread I PVP
Hi everyone, Can anyone please let me know if I am heading to an antiparttern or somethingelse bad? How would you model the following ... ? I am migrating from MYSQL to Cassandra, I have a scenario in which need to store the content of "to be sent" transactional email message

Modeling approach to widely used textual information

2016-01-14 Thread I PVP
Hi everyone, I am new to Cassandra and moving a existing myqql application to Cassandra. As a generic rule, what is the recommended approach for keeping textual information like a user_nickname, a company_name, product_title, that will potentially be updated at some time and is routinely and

Re: Modeling contact list, plain table or List

2016-01-12 Thread I PVP
--> Why don't you do: DELETE FROM user_contact WHERE userid=xxx AND contactname= ? Answer : Because a contact name can be duplicated. Or should I force unique contact names? Overall , the challenge seems to be addressed , with some trade of on the "ordering by contact name”

Re: Modeling contact list, plain table or List

2016-01-11 Thread I PVP
result of 1). Is that the proper way to achieve it or Am I missing some point in the modeling that would allow to delete a specific contact row and still able to comply with the select requirements? Thanks -- IPVP From: Jack Krupansky <mailto:jack.krupan...@gmail.com> Reply

Re: Modeling contact list, plain table or List

2016-01-11 Thread I PVP
The below table and materialized view will solve the SELECT requirements of my current application . The challenge now is when the user decides to DELETE one specific contact from his contact list. I could add the objectid to a composite partition key together with the userid. But that would

Huge ReadStage Pending tasks during startup

2015-11-27 Thread Vasiliy I Ozerov
hem all. So, what could be the reason?  --  Vasiliy I Ozerov Sent with Airmail

Re: Cassandra C client implementation

2011-12-14 Thread i
BTW please use https://github.com/eyealike/libcassandra Best Regards, Yi "Steve" Yang ~~~ +1-401-441-5086 +86-13910771510 Sent via BlackBerry® from China Mobile -Original Message----- From: i...@iyyang.com Date: Wed, 14 Dec 2011 15:52:56 To: Reply-To: i...@iyyang.c

Re: Cassandra C client implementation

2011-12-14 Thread i
Try libcassandra, but it doesn't support connection pooling --Original Message-- From: Vlad Paiu To: user@cassandra.apache.org ReplyTo: user@cassandra.apache.org Subject: Cassandra C client implementation Sent: Dec 14, 2011 11:11 PM Hello, I am trying to integrate some Cassandra re