DMやPrivate Channelを使うな、といっても意味がないから、 なんでDMを使ってしまうのかをまず考える、 そこからPublic channelの使い方を考えましょう みたいな話 https://eof-github.github.io/eof2019/ Read less
第17回Lucene/Solr勉強会 #SolrJP – Apache Lucene Solrによる形態素解析の課題とN-bestの提案
This document discusses B+-trees, which are commonly used to index data in databases. It provides an overview of the structure and functionality of B+-trees, including keys, pointers, fanout, leaf nodes, and internal nodes. It also describes Btree4j, an open source Java implementation of B+-trees that supports features like paging, prefix indexing, and bulk loading. The document aims to revisit th
Badai Aqrandista, Confluent, Senior Technical Support Engineer This session will be about a common issue in the Kafka Producer: producer batch expiry. We will be discussing the Kafka Producer internals, its common causes, such as a slow network or small batching, and how to overcome them. We will also be sharing some examples along the way! https://www.meetup.com/apache-kafka-sydney/events/2796519
he evaluation of recommender systems is crucial for their development. In today's recommendation landscape there are many standardized recommendation algorithms and approaches, however, there exists no standardized method for experimental setup of evaluation -- not even for widely used measures such as precision and root-mean-squared error. This creates a setting where comparison of recommendation
This document provides information about an AWS webinar on AWS CodeStar and AWS CodePipeline held on November 11, 2020. It includes an agenda that covers the need for CI/CD, an overview of AWS CodeStar features, an overview of AWS CodePipeline features, common questions, and a conclusion. The presenter is Hiroki Yamaguchi from Amazon Web Services Japan. Attendees can ask questions during the webin
At Twitter we started out with a large monolithic cluster that served most of the use-cases. As the usage expanded and the cluster grew accordingly, we realized we needed to split the cluster by access pattern. This allows us to tune the access policy, SLA, and configuration for each cluster. We will explain our various use-cases, their performance requirements, and operational considerations and
Prescient Devices is the creator of a low-code DataOps solution for the edge. Prescient Devices’ flagship product, Prescient Designer, is a simple, graphical, and programmable SaaS workflow development platform which helps clients to work with time series data at the edge. It enables IT/OT teams, data engineers and system integrators to build and manage agile data pipelines with zero lines of code
This document discusses using the EM-Proxy Ruby gem to build a high performance proxy for monitoring and load testing web applications. It describes how to configure EM-Proxy to duplicate requests to both a production and test server, modifying requests and responses as needed. Examples are given to demonstrate transparent port forwarding, response alteration, and running post-processing steps aft
This document discusses principles for successful MySQL scalability. It covers the need for integrated monitoring and instrumentation to enable preemptive analysis. Automated server deployment is also discussed to ensure consistent configuration. The document stresses that disaster recovery planning is crucial, as disaster is inevitable. It advocates supporting different levels of data availabilit
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