xunzhang

/* This program uses the host CURAND API to generate 100
 * pseudorandom floats.
 */
#include <stdio.h>
#include <stdlib.h>
#include <cuda.h>
#include <curand.h>
#define CUDA_CALL(x) do { if((x) != cudaSuccess) { \
      printf("Error at %s:%d\n",__FILE__,__LINE__);     \
      return EXIT_FAILURE;}} while(0)

xunzhang

[HAWQ-main-FeatureTest-opt-interconnect](http://pulse-cloud.gopivotal.com/browse/projects/HAWQ-main-FeatureTest-opt-interconnect/builds/468/)

`
2016-11-15 08:17:34.776870 PST,"gpadmin","gpadmin",p26978,th-834582240,"[local]",,2016-11-15 08:17:34 PST,2313,con288,cmd1,seg-10000,,,x2313,sx1,"ERROR","42704","unrecognized configuration parameter ""gp_udpic_fault_inject_percent""",,,,,,"show gp_udpic_fault_inject_percent",0,,"guc.c",11331,
`

`
2016-11-15 08:15:59.878945 PST,"gpadmin","gpadmin",p25560,th-834582240,"[local]",,2016-11-15 06:15:59 PST,2293,con282,cmd3,seg-1,,,x2293,sx1,"ERROR","58M01","Query Executor Error in seg1 test2:5100 pid=40627: server closed the connection unexpectedly","
        This probably means the server terminated abnormally

xunzhang

Let’s use this doc to record all the issues found by test cases and the fixing process for it.
Hawq register issues list.

xunzhang

wuhong@pivotal-2:~$ source ~/Desktop/local/greenplum_path.sh 

wuhong@pivotal-2:~$ ipython
In [1]: from pygresql import pg

In [2]: from gppylib.db import dbconn

In [3]: url = dbconn.DbURL(dbname='postgres')

In [4]: conn = pg.connect(dbname=url.pgdb, host=url.pghost, port=url.pgport, user=url.pguser, passwd=url.pgpass, opt='-c gp_session_role=utility')

xunzhang

./src/test/feature/parallel-run-feature-test.sh $(sysctl -n hw.ncpu) ./src/test/feature/feature-test

xunzhang

g++ foo.cc -fprofile-arcs -ftest-coverage -lgcov

lcov --directory . --capture --output-file CodeCoverage.info

#include <iostream>
void foo() {
  std::cout << "hello world" << std::endl;
}

int main(int argc, char *argv[])

xunzhang

hdfs_fdw,

# install the extension
CREATE EXTENSION hdfs_fdw;

# create a foreign server
CREATE SERVER foreign_server
FOREIGN DATA WRAPPER postgres_fdw

OPTIONS (host='192.83.123.89', port='5432', dbname='foreign_db');

xunzhang

External Storage Usage: from users' perspective

I. External Tables in HAWQ

• Gpfdist: parallel http implementation of http transmitting | readable or writable

  • Usage

      # start gpfist service in external storage server
      gpfdist -p 8081 -d /var/data/staging -l /home/gpadmin/log &