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Notices tagged with cassandra

  1. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Tuesday, 23-Feb-2021 03:21:31 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    in reply to
    • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    • Douglas A. Whitfield
    @lnxw48a1 @musicman I played with both #CouchDB and #Cassandra more than I did with #MongoDB, but it was still not much.
    In conversation Tuesday, 23-Feb-2021 03:21:31 UTC from Shoyu permalink
  2. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Thursday, 27-Aug-2020 23:41:06 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    in reply to
    • Douglas A. Whitfield
    @musicman Tough question, because I’ve already had some exposure. If I hadn’t, though, I’d probably want a start-to-finish why and when I might want to use #Cassandra instead of $COMPETING_NOSQL_DB ( where the competing DB is one of the top 2-3 names in enterprise NoSQL databases ). Obviously, with a demonstration.
    In conversation Thursday, 27-Aug-2020 23:41:06 UTC from Shoyu permalink
  3. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Thursday, 27-Aug-2020 23:37:48 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    in reply to
    • Douglas A. Whitfield
    @musicman You’re right. And if I’m an enterprise user of something older, it might make me want to pull the records to see whether #Cassandra has been at the root of a lot of issues. OTOH, also as an enterprise user, if $COMPANY has already committed to using #Apache Cassandra, this might be “it is getting better, so now’s the time to go all in” time.
    In conversation Thursday, 27-Aug-2020 23:37:48 UTC from Shoyu permalink
  4. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Tuesday, 25-Aug-2020 20:44:21 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    It’s been a while since I played with #Cassandra. It was pretty enjoyable, but it is hard to wrap one’s mind around schema-less databases.

    Remember when you first learned to use random-access files in a programming language? What did you learn? That you had to firmly set a length for each record and which contents which at what locations of each record.

    So #MongoDB, Cassandra, and many other databases which use JSON are a big mental challenge just because that makes them so different.
    In conversation Tuesday, 25-Aug-2020 20:44:21 UTC from Shoyu permalink
  5. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Monday, 18-May-2020 17:41:48 UTC Douglas A. Whitfield Douglas A. Whitfield
    #cqlsh needs #legacypython, but does anything else in #Cassandra actually need it?
    In conversation Monday, 18-May-2020 17:41:48 UTC from web permalink
  6. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Wednesday, 13-May-2020 21:21:51 UTC Douglas A. Whitfield Douglas A. Whitfield
    It seems unlikely to me that something like #Cassandra would be missing such a file. Do I need to build Cassie from source to get this or something? I haven't been able to find anything to suggest this is a common issue. Is it lying and the javaagent is actually the issue? #java

    [root@localhost tmp]# java -javaagent:./jmx_prometheus_javaagent-0.12.0.jar=8080:jmx-prom.yaml -jar /usr/share/cassandra/apache-cassandra-3.11.6.jar -Djava.util.logging.config.file=./program.log
    no main manifest attribute, in /usr/share/cassandra/apache-cassandra-3.11.6.jar
    In conversation Wednesday, 13-May-2020 21:21:51 UTC from web permalink
  7. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Wednesday, 13-May-2020 14:42:58 UTC Douglas A. Whitfield Douglas A. Whitfield
    • Monitoring (Nagios, Icinga, OpenNMS, etc)
    I have nagios, Prometheus, and Zabbix all installed. I am ready to be the !monitoring guy!

    At some point, I need to set up the #ElasticStack, #FluentD, and #Grafana, but Grafana in particular I don't see as a monitoring tool. It is a visualization tool. It is often in the stack with Prometheus, and I need to know it, but I don't see it as a priority. The priority is to get Prometheus monitoring my #Cassandra install.
    In conversation Wednesday, 13-May-2020 14:42:58 UTC from web permalink
  8. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Friday, 08-May-2020 19:07:08 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    #Cassandra was fun. I should spin it up on a #RasPi and use it as a backend for $TOY_PROJECT.
    In conversation Friday, 08-May-2020 19:07:08 UTC from mustard permalink
  9. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Monday, 27-Apr-2020 20:14:53 UTC Douglas A. Whitfield Douglas A. Whitfield
    in reply to
    • Douglas A. Whitfield
    To flesh that out a bit, but my current list is this:
    #mongodb
    #mysql
    #httpd
    #postgres
    #kafka
    #cassandra
    #tomcat
    #jboss / #wildfly
    #eclipse
    #java (enough to diagnose applications...honestly, with the others on the list that are built in java, I probably don't really need to do anything else with this one)
    In conversation Monday, 27-Apr-2020 20:14:53 UTC from web permalink
  10. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Wednesday, 12-Feb-2020 01:27:01 UTC Douglas A. Whitfield Douglas A. Whitfield
    • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    It's pretty demoralizing to never get any responses from anyone but @lnxw48a1, but I am nothing if not persistent.

    I realize I could interact more and gain more followers and I could post more. Maybe I'll give Mastodon a shot a see if I get more interaction there. I don't think I've joined an instance but maybe I have.

    Anyway...

    My team is looking!

    Requirements (I mean, that's what HR calls them, but not really...):
    Expert level in a number of open source packages.
    Broad and deep familiarity with multiple projects to include #Java and #J2EE, #JBoss, #ActiveMQ, #Drools, #HornetQ, #Hibernate, #Spring, #Linux (focus primary on #CentOS or #Ubuntu), #Apache #HTTPD, Apache #Tomcat, #MySQL, #PostgreSql, #Opensource project and community participation and Production/24x7 experience.
    Database administration; #postgresql/ #mysql/ #mariadb experience very desirable
    Expertise in #Cassandra, #Kafka, and/or #cloudnative applications is a plus.

    Minimum of five years of software development and design or systems administration or level 3-4 technical support experience.
    Technical knowledge, skills and expertise in complex infrastructure, web-based software and enterprise software
    Understanding of software best practices; #SDLC, #SCM and #Agile development principles.
    Excellent written, verbal, and presentation skills

    Role: Open Source Staff Engineer/Solutions Architect
    Location: #Louisville, #CO or #Minneapolis, #MN

    Position Summary:
    Perforce is seeking a Open Source Staff Engineer/Solutions Architect to join our OpenLogic team. As a member of the support team, you’ll be responsible for assisting our clients to work through their technical questions on open source including ‘how to’, trouble shooting and recommendations on product use. Additionally, based on needs of our customers, you will be involved in presenting training classes (both onsite and remote depending on need of the client); short-term professional service engagements to assist with architect and design solutions; working on internal projects; and enhancing current skills by continuing to learn new open source technologies.

    OpenLogic provides enterprise services for hundreds of open source projects — including #OpenJDK, #Kubernetes, CentOS, and #MariaDB — so you can boost efficiency and savings with free software, while cutting risk.

    Responsibilities:
    Interact with end users on technical problems.
    Tier 1, 2 and 3 support for CentOS and related open source products.
    Drive resolution of those problems, which include:
    Open source software issues.
    Questions around open source software usage.
    Questions around use and best practices.
    Review of the architecture and design where software is implemented.
    Conduct professional services and training engagements.
    Research, understand, and advocate open source software.
    Interact with various open source communities.
    Drive early resolution of issues.
    Be a part of the on-call rotation.
    Present knowledge via articles, blogs, and conference presentations.
    May require 15% travel while completing on-site consulting.
    In conversation Wednesday, 12-Feb-2020 01:27:01 UTC from web permalink
  11. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Monday, 20-Jan-2020 19:53:47 UTC Douglas A. Whitfield Douglas A. Whitfield
    #Louisville, #CO or #Minneapolis, #MN

    Requirements:
    Minimum of five years of software development and design or systems administration or level 3-4 technical support experience.
    Technical knowledge, skills and expertise in complex infrastructure, web-based software and enterprise software
    Understanding of software best practices; SDLC, SCM and Agile development principles.
    Excellent written, verbal, and presentation skills
    Expert level in a number of open source packages.
    Broad and deep familiarity with multiple projects to include Java and #J2EE, #JBoss, #ActiveMQ, #Drools, #HornetQ, #Hibernate, #Spring, #Linux (focus primary on #CentOS or #Ubuntu), Apache HTTPD, #Apache #Tomcat, #MySQL, #PostgreSql, Open source project and community participation and Production/24x7 experience.
    Database administration; postgresql/ mysql/ #mariadb experience very desirable
    Expertise in #Cassandra, #Kafka, and/or cloud-native applications is a plus.

    Responsibilities:
    Interact with end users on technical problems.
    Tier 1, 2 and 3 support for CentOS and related open source products.
    Drive resolution of those problems, which include:
    Open source software issues.
    Questions around open source software usage.
    Questions around use and best practices.
    Review of the architecture and design where software is implemented.
    Conduct professional services and training engagements.
    Research, understand, and advocate open source software.
    Interact with various open source communities.
    Drive early resolution of issues.
    Be a part of the on-call rotation.
    Present knowledge via articles, blogs, and conference presentations.
    May require 15% travel while completing on-site consulting.

    https://www.perforce.com/careers/open-jobs?gnk=job&gni=8a7885ac6dcbf35f016df97b13130e54
    In conversation Monday, 20-Jan-2020 19:53:47 UTC from web permalink
  12. Douglas A. Whitfield (musicman@nu.federati.net)'s status on Monday, 06-Jan-2020 17:51:11 UTC Douglas A. Whitfield Douglas A. Whitfield
    https://loadaverage.org/url/5819086

    My new team (and my old team too, actually), is looking:
    Interact with end users on technical problems.
    Tier 1, 2 and 3 support for #CentOS and related #opensource products.
    Drive resolution of those problems, which include:
    Open source software issues.
    Questions around open source software usage.
    Questions around use and best practices.
    Review of the architecture and design where software is implemented.
    Conduct professional services and training engagements.
    Research, understand, and advocate open source software.
    Interact with various open source communities.
    Drive early resolution of issues.
    Be a part of the on-call rotation.
    Present knowledge via articles, blogs, and conference presentations.
    May require 15% travel while completing on-site consulting.


    Requirements:

    Minimum of five years of software development and design or systems administration or level 3-4 technical support experience.
    Technical knowledge, skills and expertise in complex infrastructure, web-based software and enterprise software
    Understanding of software best practices; #SDLC, #SCM and #Agile development principles.
    Excellent written, verbal, and presentation skills
    Expert level in a number of open source packages.
    Broad and deep familiarity with multiple projects to include #Java and #J2EE, #JBoss, #ActiveMQ, #Drools, #HornetQ, #Hibernate, #Spring, #Linux (focus primary on #CentOS or #Ubuntu), #Apache #HTTPD, Apache #Tomcat, #MySQL, #PostgreSql, Open source project and community participation and Production/24x7 experience.
    Database administration; postgresql/mysql/ #mariadb experience very desirable
    Expertise in #Cassandra, #Kafka, and/or #cloud-native applications is a plus.
    In conversation Monday, 06-Jan-2020 17:51:11 UTC from web permalink

    Attachments

    1. Now Hiring: Perforce Software, Open Source Staff Engineer/Solutions Architect - Louisville, CO
      **Role:** Open Source Staff Engineer/Solutions Architect **Location:** Louisville, CO or Minneapolis, MN Perforce develops DevOps tools that improve software quality and security as well as team productivity for several of the world's leading companies, such as PIXAR, CD Projekt Red, NASA, Verizon, Honda, NVIDIA, and Johns Hopkins. **Position Summary:** Perforce is seeking a Open Source Staff Engineer/Solutions Architect to join our OpenLogic team. As a member of the support team, you'll be responsible for assisting our clients to work through their technical questions on open source including 'how to', trouble shooting and recommendations on product use. Additionally, based on needs of our customers, you will be involved in presenting training classes (both onsite and remote depending on need of the client); short-term professional service engagements to assist with architect and design solutions; working on internal projects; and enhancing current skills by continuing to learn new open source technologies. OpenLogic provides enterprise services for hundreds of open source projects -- including OpenJDK, Kubernetes, CentOS, and MariaDB -- so you can boost efficiency and savings with free software, while cutting risk. **Responsibilities:** * Interact with end users on technical problems. * Tier 1, 2 and 3 support for CentOS and related open source products. * Drive resolution of those problems, which include: * Open source software issues. * Questions around open source software usage. * Questions around use and best practices. * Review of the architecture and design where software is implemented. * Conduct professional services and training engagements. * Research, understand, and advocate open source software. * Interact with various open source communities. * Drive early resolution of issues. * Be a part of the on-call rotation. * Present knowledge via articles, blogs, and conference presentations. * May require 15% travel while completing on-site consulting. ** Requirements:** * Minimum of five years of software development and design or systems administration or level 3-4 technical support experience. * Technical knowledge, skills and expertise in complex infrastructure, web-based software and enterprise software * Understanding of software best practices; SDLC, SCM and Agile development principles. * Excellent written, verbal, and presentation skills * Expert level in a number of open source packages. * Broad and deep familiarity with multiple projects to include Java and J2EE, JBoss, ActiveMQ, Drools, HornetQ, Hibernate, Spring, Linux (focus primary on CentOS or Ubuntu), Apache HTTPD, Apache Tomcat, MySQL, PostgreSql, Open source project and community participation and Production/24x7 experience. * Database administration; postgresql/mysql/mariadb experience very desirable * Expertise in Cassandra, Kafka, and/or cloud-native applications is a plus. If you are passionate about the technology that impacts our day-to-day lives and want to work with people as talented and dedicated as yourself, apply today! [**www.perforce.com**](http://www.perforce.com/) _Perforce is an equal opportunity employer. We value diversity and celebrate its strengths._
  13. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1@nu.federati.net)'s status on Saturday, 02-Nov-2019 02:53:24 UTC LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    in reply to
    • Douglas A. Whitfield
    @musicman I played around with #Cassandra briefly a few years ago, but only enough to step through the demos and docs on the site itself. Then I removed it and went on to mess around with #SQLite for a while.
    In conversation Saturday, 02-Nov-2019 02:53:24 UTC from web permalink

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