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ubuntu@cassandra0:~$ nt status
Datacenter: us-west-2
=====================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address        Load       Tokens  Owns (effective)  Host ID                               Rack
UN  172.31.29.91   68.79 KiB  4       100.0%            aaaaf5d0-4f00-48e4-8530-6bb7f951a0d8  us-west-2b
UN  172.31.47.193  68.8 KiB   4       100.0%            a7399471-7c40-4b00-aa94-0f94594c7cff  us-west-2a

ubuntu@cassandra0:~$ c

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apt purge bpfcc-tools libbpfcc python3-bpfcc
wget https://github.com/iovisor/bcc/releases/download/v0.25.0/bcc-src-with-submodule.tar.gz
tar xf bcc-src-with-submodule.tar.gz
cd bcc/
apt install -y python-is-python3
apt install -y bison build-essential cmake flex git libedit-dev   libllvm11 llvm-11-dev libclang-11-dev zlib1g-dev libelf-dev libfl-dev python3-distutils
apt install -y checkinstall
mkdir build
cd build/
cmake -DCMAKE_INSTALL_PREFIX=/usr -DPYTHON_CMD=python3 ..

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---
startDelaySeconds: 0
hostPort: 127.0.0.1:7199
username:
password:
#jmxUrl: service:jmx:rmi:///jndi/rmi://127.0.0.1:7199/jmxrmi
ssl: false
lowercaseOutputName: false
lowercaseOutputLabelNames: false
whitelistObjectNames:

rustyrazorblade

---
startDelaySeconds: 0
hostPort: 127.0.0.1:7199
username: 
password: 
#jmxUrl: service:jmx:rmi:///jndi/rmi://127.0.0.1:7199/jmxrmi
ssl: false
lowercaseOutputName: false
lowercaseOutputLabelNames: false
whitelistObjectNames:

rustyrazorblade

---
startDelaySeconds: 0
hostPort: 127.0.0.1:7199
username:
password:
#jmxUrl: service:jmx:rmi:///jndi/rmi://127.0.0.1:7199/jmxrmi
ssl: false
lowercaseOutputName: false
lowercaseOutputLabelNames: false
whitelistObjectNames: ["org.apache.cassandra.metrics:*", "org.apache.cassandra.db:*"]

rustyrazorblade

#!/bin/bash

tlp-cluster init cassandra CASSANDRA-15066 messaging-improvements -s 1 -c 9 --instance r3.xlarge --az a,b,c
tlp-cluster up --yes
tlp-cluster build -n may28 ~/dev/cassandra
tlp-cluster use may28 -c dynamic_snitch:false -c concurrent_reads:128 -c concurrent_writes:128 -c num_tokens:32 -c cross_node_timeout:true -c compaction_throughput_mb_per_sec:64

cat << EOF >> provisioning/cassandra/conf/jvm-server.options
-Xmx16G
-Xms16G

rustyrazorblade

#!/bin/bash

tlp-cluster init cassandra CASSANDRA-15066 messaging-improvements -s 1 -c 9 --instance r3.xlarge --az a,b,c
tlp-cluster up --yes
tlp-cluster build -n may28 ~/dev/cassandra
tlp-cluster use may28 -c dynamic_snitch:false -c concurrent_reads:128 -c concurrent_writes:128 -c num_tokens:32 -c cross_node_timeout:true

cat << EOF >> provisioning/cassandra/conf/jvm-server.options
-Xmx16G
-Xms16G

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 fun applyDynamicSettings(workloadParameters: Map<String, String>) {

        for((key, value) in workloadParameters) {
            var prop = getProperty(instance, key) as KMutableProperty<*>
            val annotation = prop.findAnnotation<WorkloadParameter>()
            log.debug("Annotation for $key found: $annotation")

            // Int
            if(prop.returnType.isSubtypeOf(Int::class.createType())) {
                log.debug("Found the type, we have an int, setting the value")

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<configuration>

  <appender name="FILE" class="ch.qos.logback.core.FileAppender">
      <file>/home/jhaddad/.tlpstress/stress.log</file>
    <append>false</append>
    <!-- set immediateFlush to false for much higher logging throughput -->
    <immediateFlush>false</immediateFlush>
    <!-- encoders are assigned the type
         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
    <encoder>

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[global]

name=cassandra
bs=4k
direct=1
directory=data/
time_based=1
runtime=600
write_bw_log
write_lat_log