jm + via:dehora   6

Personalization at Spotify using Cassandra
Lots and lots of good detail into the Spotify C* setup (via Bill de hOra)
via:dehora  spotify  cassandra  replication  storage  ops 
january 2015 by jm
Beating the CAP Theorem Checklist
'Your ( ) tweet ( ) blog post ( ) marketing material ( ) online comment
advocates a way to beat the CAP theorem. Your idea will not work. Here is why
it won't work:'

lovely stuff, via Bill De hOra
via:dehora  funny  cap  cs  distributed-systems  distcomp  networking  partitions  state  checklists 
august 2013 by jm
how RAID fits in with Riak
Write heavy, high performance applications should probably use RAID 0 or avoid RAID altogether and consider using a larger n_val and cluster size. Read heavy applications have more options, and generally demand more fault tolerance with the added benefit of easier hardware replacement procedures.


Good to see official guidance on this (via Bill de hOra)
via:dehora  riak  cluster  fault-tolerance  raid  ops 
june 2013 by jm
Riakking Complex Data Types
interesting details about Riak's support for secondary indexes. Not quite SQL, but still more powerful than plain old K/V storage (via dehora)
via:dehora  riak  indexes  storage  nosql  key-value-stores  2i  range-queries 
march 2013 by jm
Avoiding Full GCs in HBase with MemStore-Local Allocation Buffers
Fascinating. Evading the Java GC by reimplementing a slab allocator, basically
memory  allocation  java  gc  jvm  hbase  memstore  via:dehora  slab-allocator 
october 2011 by jm
Blosc
A high-performance compressor optimized for binary data -- 'designed to transmit data to the processor cache faster than a traditional, non-compressed, direct memory fetch via memcpy()' (via Bill de hOra)
via:dehora  compression  memcpy  caching  l1  software  memory  optimization  performance  python  pytables  from delicious
october 2010 by jm

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