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(comment You will want just about everything in your hive/lib dir included in your Classpath) | |
(ns myproj.core | |
(:import [org.apache.hadoop.hive.service HiveClient] | |
[org.apache.thrift.transport TSocket] | |
[org.apache.thrift.protocol TBinaryProtocol])) | |
(defn send-hive | |
"Creates a new socket and Hive client connection, runs the query, pulls the result, and closes the connection. | |
Eventually modify to split and parse according to schema of result. |
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(comment Add [org.clojure/java.jdbc "0.1.1"] to project dependencies) | |
(ns myproject.core | |
(:use [clojure.java.jdbc :only [with-connection, with-query-results]])) | |
(let [db-host "MyHost" | |
db-port 10000 | |
db-name "default"] | |
(def db {:classname "org.apache.hadoop.hive.jdbc.HiveDriver" ; must be in classpath | |
:subname (str "//" db-host ":" db-port "/" db-name) |
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from multiprocessing import Pool | |
from functools import partial | |
def _pickle_method(method): | |
func_name = method.im_func.__name__ | |
obj = method.im_self | |
cls = method.im_class | |
if func_name.startswith('__') and not func_name.endswith('__'): #deal with mangled names | |
cls_name = cls.__name__.lstrip('_') | |
func_name = '_' + cls_name + func_name |
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#redundancy is the max number of survivable failures, so eg 1 for RAID5 | |
#mtbf_array is an array of either actual mean-time-between-failures, or a nested RAID array | |
# RAID([100]*7,2) #7 disk RAID 6 | |
# RAID([RAID([100]*3,1),RAID([1000]*3,1)],0) # RAID 50, 2 arrays of 3 | |
# RAID([100,100,50,50],1) #RAID 5 with varying reliabilities | |
from random import random | |
class RAID(object): |
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