Peter Corless PeterCorless

Principal Product Marketing Manager, Redpanda Formerly: Startree, ScyllaDB, Aerospike, Cisco

PeterCorless / 1-streaming-populate-node.yaml

Last active January 22, 2019 17:03

Improved Performance in Scylla Open Source 3.0: Streaming and Hinted Handoffs

	for i=0 to 3:
	cassandra-stress write no-warmup n=175000000 cl=ALL
	-rate threads=500
	-schema 'replication(factor=2) keyspace=keyspace'
	-col 'size=FIXED(4000) n=FIXED(1)'
	-mode cql3 native connectionsPerHost=66
	-pop 'seq=((in)+1)..((i+1)n)' # where n=175000000
	-node node2
	-errors ignore

PeterCorless / 01-tar-confluent.sh

Last active May 16, 2019 21:29

scylla-kafka-akka-mqtt-blog

	tar -xzf confluent-5.0.0-2.11.tar.gz
	cd confluent-5.0.0/

PeterCorless / IEX-batch-quote.json

Last active October 22, 2018 23:07

Hooking up Spark and ScyllaDB: Part 4

	{
	"AAPL": {
	"quote": {
	"latestPrice": 221.43,
	"latestSource": "IEX real time price",
	"latestUpdate": 1537455071032,
	"latestVolume": 18919004,
	"previousClose": 218.37,
	"symbol": "AAPL"
	}

PeterCorless / DataFrameWriter.scala

Last active October 8, 2018 16:26

Hooking up Spark and ScyllaDB: Part 3

	val writer = df.write.cassandraFormat(table = "test", keyspace = "test")
	// writer: org.apache.spark.sql.DataFrameWriter[org.apache.spark.sql.Row] = org.apache.spark.sql.DataFrameWriter@6cf47d05