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fipar / cassandra-detail_rev2.json
Created Nov 4, 2018
cassandra-detail with deprecated count_scalar replaced by count(scalar(
View cassandra-detail_rev2.json
"__inputs": [
"name": "DS_PROMETHEUS",
"label": "Prometheus",
"description": "with node exporter and jmx exporter",
"type": "datasource",
"pluginId": "prometheus",
"pluginName": "Prometheus"
fipar /
Last active May 25, 2018
Get list of process names using swap in descending order (by swap usage). Assumes swap usage is printed in kb always, which I need to validate.
grep -r VmSwap /proc/[0-9][0-9]*/status 2>/dev/null|sort -k2 -nr | \
while read procentry meminkb; do
pid=$(echo $procentry|awk -F'/' '{print $3}')
echo "$(cat /proc/$pid/comm) ($pid): $meminkb"
done 2>/dev/null |more
View gist:c04d740ea3f5f087b44949961ee41b3c
# here is the build script shipped with gh-ost, but this should be usabe even if you just build via 'go build':
./ 2>&1|grep 'cannot find'|awk '{print $5}'|tr -d '"' | xargs go get
fipar /
Last active Apr 23, 2018
Tests for the PMM external collectors plmce18 presentation
local _containers="pmm-server pmm-data cassandra1 cassandra2 cassandra3"
for container in $_containers; do
docker kill $container &>/dev/null
docker rm $container &>/dev/null
docker network rm pmm-network
fipar / sysbenc_cassandra.txt
Created Mar 15, 2018
Running sysbench against Cassandra
View sysbenc_cassandra.txt
telecaster:~ fipar$ docker run --name cassandra1 -d cassandra:latest
Unable to find image 'cassandra:latest' locally
latest: Pulling from library/cassandra
2a72cbf407d6: Pull complete
45339d0734a1: Pull complete
0881010f31a6: Pull complete
5331d043a453: Pull complete
c3eba8661eb9: Pull complete
9a8ad05c763b: Pull complete
e215e9518ddb: Pull complete
fipar / agenda_tentativa_meetup_mysql_mvd_20171116.txt
Created Nov 15, 2017
Agenda tentativa para la meetup de Nov 16 en la UTU Buceo.
View agenda_tentativa_meetup_mysql_mvd_20171116.txt
9:55 - intro/bienvenida
10:10 - Diferentes paradigmas de persistencia (Marcos Albe)
11:00 - break
11:10 - Group Replication in Action (Francisco Bordenave, Argentina)
11:40 - JSON en MySQL (David Ducos, Argentina)
12:10 - almuerzo
13:10 - Running database services on DC/OS (Gabriel Ciciliani, Argentina)
13:40 - Benchmarks - Breve reseña y ejemplos prácticos (Martin Arrieta)
14:10 - CockroachDB: una base de datos para el apocalipsis zombie (Fernando Ipar)
14:40 - Break
fipar / pmm-admin-add-mongodb-error
Created Mar 11, 2017
unknown flag in pmm-admin add mongodb when attempting to use example from the manual
View pmm-admin-add-mongodb-error
vagrant@mongodb-server:~$ sudo pmm-admin add mongodb --replset repl1 --cluster cluster1 --nodetype mongod
Error: unknown flag: --replset
pmm-admin add mongodb [name] [flags]
pmm-admin add mongodb
pmm-admin add mongodb --cluster bare-metal
View gist:16b7d5f72396c87ac1fdded351d8d21c
root@galera1:/tmp# which innobackupex
root@galera1:/tmp# file /usr/bin/innobackupex
/usr/bin/innobackupex: symbolic link to `xtrabackup'
root@galera1:/tmp# xtrabackup --help
xtrabackup version 2.3.6 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 7686bfc)
Open source backup tool for InnoDB and XtraDB
Copyright (C) 2009-2015 Percona LLC and/or its affiliates.
Portions Copyright (C) 2000, 2011, MySQL AB & Innobase Oy. All Rights Reserved.
yum -y install
packages=""; for p in client-56 server-56; do packages="$packages Percona-XtraDB-Cluster-$p"; done; yum install $packages
systemctl start mysql@bootstrap.service
mysql -e 'show global status like "wsrep_cluster%"'
View example_my.cnf
tmpdir = /tmp
# Threads
max_connections = 200
# networking
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