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test.py
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#
# Testing integration of libhdfs with Python
#
import argparse
import sys
import hbase
diag = False
def debug():
import pdb
pdb.set_trace()
def modRead(connect, args, data):
hbase.Get(connect, args.rdtable,
args.rdrow,
args.rdcolfam,
args.rdcolumn)
if diag:
print(("Get took {0} usecs".format(hbase.DiagGet())))
hbdata = ''
while hbdata != None:
hbdata = hbase.Data(connect)
print(("*** Returned Data *** ", hbdata))
if diag:
print(("Data took {0} usecs".format(hbase.DiagGet())))
if (hbdata != None) and (data[:5] != hbdata[:5]):
print('ERROR: data does not match')
sys.exit(1)
def modCell(connect, args):
hbase.Get(connect, args.rdtable,
args.rdrow,
args.rdcolfam,
args.rdcolumn)
if diag:
print(("Get took {0} usecs".format(hbase.DiagGet())))
print("Read Cell")
hbdata = []
while hbdata != None:
hbdata = hbase.Cell(connect)
print(("*** Returned Data *** ", hbdata))
if diag:
print(("Cell took {0} usecs".format(hbase.DiagGet())))
def modWrite(connect, args, data):
try:
hbase.Put(connect,
args.wrtable,
args.wrrow,
args.wrcolfam,
args.wrcolumn,
data)
except Exception as e:
raise e
if diag:
print(("Put took {0} usecs".format(hbase.DiagGet())))
hbase.Flush(connect, '')
if diag:
print(("Flush took {0} usecs".format(hbase.DiagGet())))
def modScan(connect, args):
hbase.Scan(connect, args.rdtable,
args.rdrow, args.rdrow, '', '', '')
if diag:
print(("Scan took {0} usecs".format(hbase.DiagGet())))
cell = ''
while cell != None:
cell = hbase.DataScan(connect)
print(("******** Scan Data *** ", cell))
if diag:
print(("DataScan took {0} usecs".format(hbase.DiagGet())))
def memTest(connect, args, data):
i = 0
while 1:
modWrite(client, parsed_arguments, data)
modRead(client, parsed_arguments, data)
i += 1
if (i % 100):
hbase.Flush(client, parsed_arguments.wrtable)
def Log(msg):
print(msg)
pass
def Err(msg):
print(msg)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("--zookeeper", required=False, default='zookeeper0:2181')
parser.add_argument("--hbmaster", required=False, default='hbasemaster0:60000')
parser.add_argument("--table_test", required=False, default=b'process_test')
parser.add_argument("--row_test", required=False, default=b'987:654:asdfg')
parser.add_argument("--colfam_test", required=False, default=b'name')
parser.add_argument("--column_test", required=False, default=b'Amy')
parser.add_argument("--wrtable", required=False, default=b'summary')
parser.add_argument("--wrrow", required=False, default=b'test')
parser.add_argument("--wrcolfam", required=False, default=b'summary')
parser.add_argument("--wrcolumn", required=False, default=b'\x00\x00A')
parser.add_argument("--rdtable", required=False, default=b'summary')
parser.add_argument("--rdrow", required=False, default=b'test')
parser.add_argument("--rdcolfam", required=False, default=b"summary")
parser.add_argument("--rdcolumn", required=False, default=b"\x00\x00A")
parser.add_argument("--maxmem", required=False, default='8192k')
parsed_arguments = parser.parse_args(sys.argv[1:])
data = b'\xa5\x05T4244,1455553829.3;1103\r\x12(0955.45;1152\x13\x00d75;32715,1456204199.41;472\x05\x13\x01L$968.7;5994\x01%$5908186.92\x01L\x001\x05\x13\x08550\x01_\x1875;2718\x05`06199388.02;73\x119(3942.16;936\x198 2.81;1159\x19\x13\x185.76;94\x1d\x12\x003\x057\x0450\x19$\x05\x12\x08602\t%4908203.58;4712\r&\x05\xba\x1462;1112\xa8\x00\x1448;384\t\x95!,\x1009.49\x01\x83\x11\xf3\x000\x05\xce\x006!\x1a).!\x1a$229.66;377\r_\x180946.31\x01&\x004\x05:\x05&\x1801.13;9.r\x00\x082.5!?\x05$\x01\xaa%?!\x9e\x006\x11\xaa\tq\x0c7;962\xe2\x00!\xb0\x08027\x15p\x1054.78\x01p\t\xe3\x01p!\xb0\x002\x01\xe3.:\x00%@\x08115\x1d:\r\x13\x0066\x13\x00\x01\xf6\x0424\x19`\x085.5\x01\x13\x04182\x13\x00\x102;100=B\x004E[\x0062%\x00\x0479\x01\x98)\xa1\x01\x98!.L47;976,1455550953.94'
hbase.Logger(Log)
hbase.Error(Err)
hbase.JumpStart(parsed_arguments.maxmem)
print(("Hbase Client Version {0}".format(hbase.Version())))
print("Connect")
#print format(connect, '#08X')
client = hbase.Connect(parsed_arguments.zookeeper, parsed_arguments.hbmaster,
None, False, parsed_arguments.maxmem)
#flush = hbase.SetAutoFlush(client, parsed_arguments.wrtable, 1)
#print("Flush is set to {0}".format(flush))
diag = hbase.DiagSet(True)
modWrite(client, parsed_arguments, data)
parsed_arguments.wrcolumn = b'\x00\x00B'
modWrite(client, parsed_arguments, data)
parsed_arguments.wrcolumn = b'\x00\x00F'
modWrite(client, parsed_arguments, data)
hbase.Flush(client, '')
modRead(client, parsed_arguments, data)
modCell(client, parsed_arguments)
modScan(client, parsed_arguments)
hbase.Delete(client, parsed_arguments.wrtable, parsed_arguments.wrrow,
parsed_arguments.wrcolfam, parsed_arguments.wrcolumn)
if diag:
print(("Delete took {0} usecs".format(hbase.DiagGet())))
print("Disconnect")
hbase.Disconnect(client)