Atul Adya: “Weak Consistency: A Generalized Theory and Optimistic Implementations for Distributed Transactions,” PhD thesis, Massachusetts Institute of Technology, Cambridge, MA, USA, March 1999. http://pmg.csail.mit.edu/papers/adya-phd.pdf Hagit Attiya, Faith Ellen, and Adam Morrison: “Limitations of Highly-Available Eventually-Consistent Data Stores,” at ACM Symposium on Principles of Distributed Computing (PODC), July 2015. http://www.cs.technion.ac.il/people/mad/online-publications/podc2015-replds.pdf Peter Bailis, Alan Fekete, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “HAT, not CAP: Towards Highly Available Transactions,” at 14th USENIX Workshop on Hot Topics in Operating Systems (HotOS), May 2013. http://www.bailis.org/papers/hat-hotos2013.pdf Peter Bailis, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “Bolt-on Causal Consistency,” at ACM International Conference on Manag
Martin Kleppmann ept
- Atul Adya: “Weak Consistency: A Generalized Theory and Optimistic Implementations for Distributed Transactions,” PhD thesis, Massachusetts Institute of Technology, Cambridge, MA, USA, March 1999.
- Hagit Attiya, Faith Ellen, and Adam Morrison: “Limitations of Highly-Available Eventually-Consistent Data Stores,” at ACM Symposium on Principles of Distributed Computing (PODC), July 2015.
- Peter Bailis, Alan Fekete, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “HAT, not CAP: Towards Highly Available Transactions,” at 14th USENIX Workshop on Hot Topics in Operating Systems (HotOS), May 2013.
- Peter Bailis, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “[Bolt-on Causal Consistency](http://db.cs.be
| --- a/bin/storm 2012-05-30 19:57:54.265944289 +0000 | |
| +++ b/bin/storm 2012-05-30 20:36:25.516040172 +0000 | |
| @@ -82,12 +82,15 @@ | |
| """ | |
| print name + ": " + confvalue(name, [STORM_DIR + "/conf"]) | |
| -def exec_storm_class(klass, jvmtype="-server", childopts="", extrajars=[], args=[]): | |
| - nativepath = confvalue("java.library.path", extrajars) | |
| - args_str = " ".join(map(lambda s: "\"" + s + "\"", args)) | |
| - command = "java " + jvmtype + " -Dstorm.home=" + STORM_DIR + " " + get_config_opts() + " -Djava.library.path=" + nativepath + " " + childopts + " -cp " + get_classpath(extrajars) + " " + klass + " " + args_str |
| Ratio of mean to median household income, by country (2004) | |
| Country Mean Median Currency Mean greater by | |
| United Kingdom 16,685 13,637 British Pound 22.4% | |
| United States 32,195 26,672 United States Dollar 20.7% | |
| Italy 15,835 13,367 Euro 18.5% | |
| Poland 14,844 12,697 Polish złoty 16.9% | |
| Australia 29,417 25,581 Australian Dollar 15.0% | |
| Canada 33,785 29,394 Canadian Dollar 14.9% |
| module RegexTest | |
| LAMBDAS = { | |
| :one => lambda{|str| str[/(\w+)/, 1] }, | |
| :two => lambda{ puts "$1 = #{$1}" } | |
| } | |
| end | |
| RegexTest::LAMBDAS[:one].call('foo') | |
| # => "foo" | |
| RegexTest::LAMBDAS[:two].call |
| Giveaway of old computing equipment! Everything still works, as far as I know. | |
| If you want anything, let me know ASAP (@martinkl on Twitter), otherwise | |
| it's going for recycling. You can pick it up in Kingston upon Thames | |
| (south-west London). Everything free, the sooner it's gone the better. | |
| Desktop computers | |
| ----------------- |
| #!/bin/bash -e | |
| export JAVA_HOME="/usr/lib/jvm/java-6-openjdk-amd64" | |
| export ZOOBINDIR="/home/zookeeper/current/bin" | |
| export JMXFLAGS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false" | |
| export ZOOMAIN="org.apache.zookeeper.server.quorum.QuorumPeerMain" | |
| export ZOOCFGDIR="/home/zookeeper/config" | |
| export ZOO_LOG_DIR="/home/zookeeper/log" | |
| export ZOO_LOG4J_PROP="INFO,ROLLINGFILE" | |
| . $ZOOBINDIR/zkEnv.sh |
| $ ping google.com | |
| PING google.com (173.194.34.104): 56 data bytes | |
| Request timeout for icmp_seq 0 | |
| Request timeout for icmp_seq 1 | |
| Request timeout for icmp_seq 2 | |
| Request timeout for icmp_seq 3 | |
| Request timeout for icmp_seq 4 | |
| 64 bytes from 173.194.34.104: icmp_seq=0 ttl=47 time=5277.419 ms | |
| 64 bytes from 173.194.34.104: icmp_seq=1 ttl=47 time=5967.947 ms | |
| Request timeout for icmp_seq 7 |
The UK government is currently trying to rush the so-called "Investigatory Powers Bill" [1] through parliament (the bill has its second reading today — 15 March 2016). The bill gives the police, intelligence services and various government agencies wide-ranging powers to collect the internet activity of everybody in the country, hack innocent people's devices in bulk, compel companies to hack their own customers [2], and collect intrusive databases of personal data on innocent people.
It is doubtful whether these powers would make us any safer [3]; but they would make the UK a police state, with a regime of mass surveillance on par with Russia or China. As one MP put it: “Because for the past 200 years we haven’t had a Stasi or a Gestapo, we are intellectually lazy about it [4].” 200 senior lawyers and barristers have called the bill “unfit for purpose” and “maybe illegal” [5]. The current Apple vs. FBI case in th
This is a copy of an email sent to the TRVE DATA mailing list.
Hi everyone, thanks for subscribing to the TRVE DATA mailing list! We're going to try to build a habit of posting a monthly project update here, and this is the first one.
For background, we published a blog post explaining the rationale and goals of the TRVE project. And here's a little video showing our collaborative text editor prototype.
Today I'd like to briefly introduce the people in Cambridge who are working on various aspects of TRVE: