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GC logging verbosity as shown below was cranked up to a high enough level of detail for our homegrown gc_log_visualizer script. The majority of graphs in this document were created with gc_log_visualizer, while others were snapshotted from SignalFX data collected through our CollectD GC metrics plugin. Our GC logging params: -verbosegc -XX:+PrintGC -XX:+PrintGCDateStamps -XX:+PrintAdaptiveSizePoli
This is part 1 of a 7 part report by HBase Contributor, Jingcheng Du and HDFS contributor, Wei Zhou (Jingcheng and Wei are both Software Engineers at Intel) Introduction Cluster Setup Tuning Experiment Experiment (continued) Issues Conclusions Introduction As more and more fast storage types (SSD, NVMe SSD, etc.) emerge, a methodology is necessary for better throughput and latency when using big d
Integrating Apache NiFi with Apache Kafka Mark Payne - markap14@hotmail.com A couple of weeks ago, Joey Echeverria wrote a fantastic blog post about how to get started with Apache NiFi (Incubating), available at http://ingest.tips/2014/12/22/getting-started-with-apache-nifi/ . In it, Joey outlines how to quickly build a simple dataflow that automatically picks up any data from the /dropbox directo
Authors: Trend Micro Hadoop Group: Mingjie Lai, Eugene Koontz, Andrew Purtell (The original version of the blog was posted at http://hbaseblog.com/2010/11/30/hbase-coprocessors/ in late 2010, however the site is no longer available. Since we decided to move all blog posts to the official Apache blog, here I just recover the original post and make quite some modifications to reflect the latest copr
Apache Sqoop (incubating) was created to efficiently transfer bulk data between Hadoop and external structured datastores, such as RDBMS and data warehouses, because databases are not easily accessible by Hadoop. Sqoop is currently undergoing incubation at The Apache Software Foundation. More information on this project can be found at http://incubator.apache.org/sqoop. The popularity of Sqoop in
Apache Flume is a distributed, reliable, and available system for efficiently collecting, aggregating and moving large amounts of log data from many different sources to a centralized data store. Flume is currently undergoing incubation at The Apache Software Foundation. More information on this project can be found at http://incubator.apache.org/flume. Flume NG is work related to new major revisi
The ASF Resigns From the JCP Executive Committee The Apache Software Foundation has resigned its seat on the Java SE/EE Executive Committee. Apache has served on the EC for the past 10 years, winning the JCP "Member of the Year" award 4 times, and recently was ratified for another term with support from 95% of the voting community. Further, the project communities of the ASF, home to Apache Tomca
Posted on: 2010-04-13 05:04:50+00:00 Apache.org services recently suffered a direct, targeted attack against our infrastructure, specifically the server hosting our issue-tracking software. The Apache Software Foundation uses a donated instance of Atlassian JIRA as an issue tracker for our projects. Among other projects, the ASF Infrastructure Team uses it to track issues and requests. Our JIRA in
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