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#!/bin/sh | |
# See: http://www.m-bsys.com/linux/echo-color-1 | |
TIME=10 | |
echo -n "starting server" | |
while [ $TIME -gt 0 ] | |
do | |
echo -n "." | |
sleep 1 |
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#!/usr/bin/env python | |
from cassandra.cluster import Cluster | |
from cassandra.query import * | |
from cassandra import * | |
import hashlib | |
import sys | |
KEYSPACE = 'test' | |
TABLE = 'user' | |
BATCH_SIZE = 1000 |
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#!/bin/sh | |
endpoints=$1 | |
output=$2 | |
if [ -z $endpoints ] || [ -z $output ];then | |
echo "Usage: $0 endpoints out_dir" | |
exit 1 | |
fi |
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[random-read] | |
ioengine=libaio | |
iodepth=1400 | |
rw=randread | |
direct=0 | |
numjobs=1 | |
blocksize=4096 | |
;size=33% | |
;filename=/dev/sdb | |
iodepth_batch=1400 |
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#!/bin/sh | |
NAME= | |
IODEPTH="1 4 8 16 32 64 128 256" | |
RUNTIME=60 | |
FILENAME_RANDREAD="/dev/sdb" | |
FILENAME_RANDRW="/mnt/resource/dummy" | |
FILENAME_SEQWRITE="/mnt/resource/dummy_write" |
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#!/usr/bin/env python | |
# Usage: | |
# 1. install pip | |
# | |
# curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py";python get-pip.py | |
# | |
# 2. install cassandra driver via pip | |
# | |
# pip install cassandra-driver | |
# |
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package com.orb.framework; | |
import static java.time.format.DateTimeFormatter.ofPattern; | |
import static org.junit.Assert.fail; | |
import java.time.Instant; | |
import java.time.LocalDateTime; | |
import java.time.ZoneId; | |
import java.time.ZoneOffset; | |
import java.time.ZonedDateTime; |
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import static java.lang.String.format; | |
import com.datastax.driver.core.Cluster; | |
import com.datastax.driver.core.ResultSet; | |
import com.datastax.driver.core.Row; | |
import com.datastax.driver.core.Session; | |
import com.datastax.driver.core.policies.DCAwareRoundRobinPolicy; | |
import com.datastax.driver.core.policies.DefaultRetryPolicy; | |
import com.datastax.driver.core.policies.TokenAwarePolicy; |
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import java.math.BigDecimal; | |
import java.math.RoundingMode; | |
public class BigDecimalTest { | |
public static void main(String ... args) { | |
BigDecimalTest app = new BigDecimalTest(); | |
app.test(); | |
} |
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## Schema Question | |
### Example Schema | |
Assuming blog service. | |
``` | |
CREATE TABLE tag ( | |
id INT PRIMARY KEY, | |
value VARCHAR(32) |
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