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Luca Canali
@
LucaCanaliDB
Geneva, Switzerland
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Database Engineer @CERN - Hadoop and Spark service, database service, data analytics.
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175
Tweets
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667
Abonné
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953
Abonnés
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Luca Canali
@LucaCanaliDB
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1 déc. |
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@martinberx I am glad to hear you find it useful.
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Luca Canali
@LucaCanaliDB
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17 nov. |
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IPython/Jupyter SQL Magic Functions for PySpark db-blog.web.cern.ch/blog/luca-cana… #ApacheSpark #Jupyter #Python #SQL
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Luca Canali
@LucaCanaliDB
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11 nov. |
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@lleturgez I'd like to know that too. Only found that the issue seems to be with uprobes, since kernel ver 3.10.0-229.x, only affecting 12c.
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| Luca Canali a Retweeté | ||
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Spark Summit
@spark_summit
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4 nov. |
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Did you miss a talk at Spark Summit EU? All the videos & slides have been added to the site. Check them out: ssum.it/2fmBsxf
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Luca Canali
@LucaCanaliDB
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28 oct. |
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It's been great to be part of #SparkSummit - Slides of my talk on Spark 2.0 perf investigations with flame graphs at cern.ch/canali/docs/Sp…
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Luca Canali
@LucaCanaliDB
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11 oct. |
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#Hadoop data formats and storage layers tested and compared for #ATLAS EventIndex use cases. Poster at #CHEP2016. canali.web.cern.ch/canali/docs/IT…
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Luca Canali
@LucaCanaliDB
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11 oct. |
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Slides of my talk at #CHEP2016 on integrating Oracle and Hadoop workloads: canali.web.cern.ch/canali/docs/In…
Coauthors: @zbigbar @PrasanthKothuri
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| Luca Canali a Retweeté | ||
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Databricks
@databricks
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3 oct. |
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Voice From @CERN: #ApacheSpark 2.0 Performance Improvements Investigated with Flame Graphs dbricks.co/2dV9ig0
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Luca Canali
@LucaCanaliDB
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14 sept. |
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New blog post: Spark 2.0 Performance Improvements Investigated With Flame Graphs db-blog.web.cern.ch/blog/luca-cana… #Spark #flamegraph
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Luca Canali
@LucaCanaliDB
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21 juil. |
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A #NeuralNetwork scoring engine in #PLSQL for recognizing handwritten digits. #MNIST #TensorFlow #Oracle db-blog.web.cern.ch/blog/luca-cana…
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Luca Canali
@LucaCanaliDB
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11 juil. |
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Hadoop tutorials @CERN, part 1 on data formats and SQL by @zbigbar and @DLanza1- indico.cern.ch/event/546000/
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Luca Canali
@LucaCanaliDB
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20 juin |
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@FranckPachot @fritshoogland @OracleSK Some tests I did + and SystemTap scripts that maybe be relevant, at externaltable.blogspot.com/2015/07/diagno…
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Luca Canali
@LucaCanaliDB
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7 juin |
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| Luca Canali a Retweeté | ||
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O'Reilly Strata
@strataconf
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2 juin |
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.@mikeolson & Manuel Martin Marquez discuss modern data strategy & how @CERN is using Hadoop strataconf.com/live #StrataHadoop
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| Luca Canali a Retweeté | ||
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Kevin
@kevinclosson
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3 juin |
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Yes, You Must Use CALIBRATE_IO. No, You Mustn’t Use It To Test Storage Performance. kevinclosson.net/2016/06/02/yes… pic.twitter.com/bJp2QqVgDJ
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| Luca Canali a Retweeté | ||
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Kamil Stawiarski
@ora600pl
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27 mai |
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My new blog post: Context switch - PL/SQL cursor loops and fetchsize vs opifch2 blog.ora-600.pl/2016/05/27/con…
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Luca Canali
@LucaCanaliDB
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26 mai |
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@MartinDBA I have used Fedora 24 alpha + rawhide for testing: there indeed CONFIG_BPF_SYSCALL=y. I have checked and F23 has that too BTW.
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Luca Canali
@LucaCanaliDB
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26 mai |
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New blog post: Linux BPF/bcc for #Oracle tracing db-blog.web.cern.ch/blog/luca-cana…
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Luca Canali
@LucaCanaliDB
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3 mai |
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@iracic The recording has been made available by the organizers at the event page indico.cern.ch/event/516771/ /CC @cloudera @tom_e_white
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Luca Canali
@LucaCanaliDB
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25 avr. |
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New blog post: #IPython notebooks for querying @ApacheImpala db-blog.web.cern.ch/blog/luca-cana… #Hadoop #SQL #Tools
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