Fall 2014 tech reading

My posts are getting less frequent and when I do post something, I realize that they are mostly just links. Yes, work is keeping me busy.

 

Big data:

• Kafka/Hbase tuning
• Apache Tajo: Query Optimization Techniques and JIT-based Vectorized Engine
• "Jepsen II: Linearizable Boogaloo" by Kyle Kingsbury
• "Taming the 9s" by Ariel Weisberg
• Yahoo talks about Spark vs. Storm
• Druid / Building Real-time Systems with Open Source Technologies
• Raft, In Search of an Understandable Consensus Algorithm
• Storm's tuple tracking
• Cassandra 2.1 boot camp, Read/Write path
• Cassandra - Real Data Models of Silicon Valley
• Practice Makes Perfect: Extreme Cassandra Optimization
• Interesting Cassandra projects:

• https://github.com/rackerlabs/blueflood
• https://github.com/kairosdb/kairosdb
• https://github.com/OpenNMS/newts
• https://github.com/datastax/spark-cassandra-connector 
• http://prestodb.io/docs/current/connector/cassandra.html

Really? Another Hadoop SQL layer? Another Storm?

• https://github.com/KylinOLAP/Kylin
• http://tigon.io/
• http://phoenix.apache.org/
• http://incubator.apache.org/drill/
• http://samza.incubator.apache.org/ 
• http://prestodb.io/
• http://www.slideshare.net/ptgoetz/apache-storm-vs-spark-streaming

For those of you who knew about the original "column oriented stores" and "in-memory stream processing" - KDB - http://queue.acm.org/detail.cfm?id=1531242

Java:

• http://mishadoff.github.io/blog/effective-java/
• http://www.infoq.com/presentations/jvm-dynamic-optimizations
• Blocking vs. non-blocking
• AtomicXX lazySet
• Shenandoah: An open source pauseless GC for OpenJDK 

Java 8 - the good and ugly bits:

• I'm not looking forward to using Streams and CompletableFuture - JVM concurrency: Java 8 concurrency basics
• http://tododev.wordpress.com/2014/08/11/java-yield-like-using-stream-api/
• Worth the read: What's New in Java 8
• http://blog.informatech.cr/2014/04/04/jdk-8-interface-pollution/
• http://www.airpair.com/java/posts/parallel-processing-of-io-based-data-with-java-streams

Networks and systems:

• Hardcore tuning - http://10gigabitethernet.typepad.com/files/sf-110694-tc.pdf
• http://codearcana.com/posts/2013/05/18/achieving-maximum-memory-bandwidth.html
• http://labs.opendns.com/2014/10/01/redesigning-dns-database-low-latency/
• http://dtrace.org/blogs/brendan/2014/02/11/another-10-performance-wins/

The usual Scala and Go hate:

• http://www.slideshare.net/Bozho/scala-the-good-the-bad-and-the-very-ugly
• http://jeffknupp.com/blog/2014/08/19/go-is-fun-familiar-and-fast/
• http://stackoverflow.com/questions/1863460/whats-the-point-of-having-pointers-in-go
• Ha! "It's weird to see a young language getting stuck with inconsistent and strange syntax while still being a young language and claiming "historical" reasons"
• https://lobste.rs/s/ycor8k/why_go_is_not_good/comments/gs4pe9#c_gs4pe9
• http://yager.io/programming/go.html

Until next time!

Summer tech reading (things that I thought were worth sharing)

  Some system and Java concurrency stuff:

• Linus on the "cost of a page fault" on x86 - https://groups.google.com/forum/#!topic/mechanical-sympathy/1Fy9iDavk2c
• Anatomy of a system call (I didn't quite follow most of this) - http://lwn.net/Articles/604287/
• Proposal for Hybrid Threading Model and simpler Async IO - http://mail.openjdk.java.net/pipermail/jdk9-dev/2014-May/000651.html
• Netty, NIO, Perf slides - http://normanmaurer.me/presentations/
• Another brilliant blog post by Nitsan - http://psy-lob-saw.blogspot.com/2014/06/jdk8-update-on-scalable-counters.html
• Java Memory Model Pragmatics (transcript) - http://shipilev.net/blog/2014/jmm-pragmatics/
• http://mechanical-sympathy.blogspot.com/2011/07/memory-barriersfences.html
• http://fgiesen.wordpress.com/2014/07/07/cache-coherency/

 Profilers, Java safe points and related topics:

• http://stackoverflow.com/questions/17839933/what-are-safe-points-and-safe-point-polling-in-context-of-profiling
• http://jeremymanson.blogspot.com/2013/07/lightweight-asynchronous-sampling.html
• Profiling Java In Production - http://youtu.be/Yg6_ulhwLw0
• https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerAlgorithm
• A Pauseless HashMap - https://groups.google.com/forum/#!topic/mechanical-sympathy/DY8vysxdmj4[26-50-false]
• If you've ever wondered why some tight loops in the JDK code caches final fields in a local variable - http://psy-lob-saw.blogspot.com/2014/02/when-i-say-final-i-mean-final.html
• http://igoro.com/archive/fast-and-slow-if-statements-branch-prediction-in-modern-processors/
• http://blog.eigengo.com/2014/06/07/monitoring-akka-with-dtrace/
  http://www.brendangregg.com/blog/2014-06-09/java-cpu-sampling-using-hprof.html
• http://stackoverflow.com/questions/24884923/why-is-jmh-saying-that-returning-1-is-faster-than-returning-0

Lambas, closures, Java 8 Streams and some Scala "love":

• http://baddotrobot.com/blog/2010/07/13/lambdas-vs-closures/
• http://www.infoq.com/presentations/java-streams-scala-parallel-collections (No mention of RxJava, which is odd)
• Java 8 support in RxJava (huh?) http://bl.ocks.org/benjchristensen/4965520
• RxJava and Java 8: http://weblog.plexobject.com/?p=1702
• http://stackoverflow.com/questions/23259205/rxjava-vs-java-8-parallelism-stream
• http://shipilev.net/blog/2014/java-scala-divided-we-fail/
• Clash of Lambda - scala vs Java - https://groups.google.com/forum/#!topic/mechanical-sympathy/xs94v8t5pro
• https://www.ibm.com/developerworks/community/blogs/jfp/entry/memory_locality?lang=en

Some miscellaneous but interesting stuff:

• http://anandtech.com/print/8231/a-closer-look-at-android-runtime-art-in-android-l
• http://blog.james-carr.org/2006/11/03/tdd-anti-patterns/
• Technical debt 101 - https://medium.com/@joaomilho/festina-lente-e29070811b84

Things I didn't know about that was available in Bash - traps, logger, paste etc:

• Errors and traps - http://linuxcommand.org/wss0160.php
• http://www.ibm.com/developerworks/aix/library/au-usingtraps/
• Text processing using Bash - http://www.tldp.org/LDP/abs/html/textproc.html
• https://github.com/erikfrey/bashreduce

Until next time!

Portland - Columbia River Gorge - Mt Hood - Mt St Helens - Mt Rainier trip

Our July 4th trip to Portland and nearby places.

 
Multnomah falls:

Sunset over Columbia river:

 Mt Hood:

Mt St. Helens:

Mt Rainier:

Until next time!