/
many_partitions.py
159 lines (133 loc) · 6.84 KB
/
many_partitions.py
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#!/usr/bin/python
try: import simplejson as json
except ImportError: import json
import couchdb
import httplib
import urllib
import common
import unittest
HOST = "localhost:5984"
SET_NAME = "test_suite_set_view"
# Can't use something higher than 96 on Mac OS X, start getting
# system_limit errors due to too many file descriptors used
NUM_PARTS = 96
NUM_DOCS = 2000
DDOC = {
"_id": "_design/test",
"language": "javascript",
"views": {
"mapview": {
"map": "function(doc) { emit(doc.integer, doc.string); }"
}
}
}
class TestManyPartitions(unittest.TestCase):
def setUp(self):
self._params = {
"host": HOST,
"ddoc": DDOC,
"nparts": NUM_PARTS,
"ndocs": NUM_DOCS,
"setname": SET_NAME,
"server": couchdb.Server(url = "http://" + HOST)
}
# print "Creating databases"
common.create_dbs(self._params)
common.populate(self._params)
# print "Databases created"
active_parts = range(self._params["nparts"])
common.define_set_view(self._params, active_parts, [])
def tearDown(self):
# print "Deleting test data"
common.create_dbs(self._params, True)
def test_many_partitions(self):
total_doc_count = common.set_doc_count(self._params, range(self._params["nparts"]))
# print "Querying view"
(resp, view_result) = common.query(self._params, "mapview")
self.assertEqual(len(view_result["rows"]), total_doc_count, "number of received rows is %d" % total_doc_count)
self.assertEqual(view_result["total_rows"], total_doc_count, "total_rows is %d" % total_doc_count)
common.test_keys_sorted(view_result)
# print "Verifying group info"
info = common.get_set_view_info(self._params)
self.assertEqual(info["active_partitions"], range(self._params["nparts"]), "right active partitions list")
self.assertEqual(info["passive_partitions"], [], "right passive partitions list")
self.assertEqual(info["cleanup_partitions"], [], "right cleanup partitions list")
for i in xrange(self._params["nparts"]):
expected_seq = common.partition_update_seq(self._params, i)
self.assertEqual(info["update_seqs"][str(i)], expected_seq,
"right update seq number (%d) for partition %d" % (expected_seq, i + 1))
# print "Adding 1 new document to each partition"
new_docs = []
for i in xrange(self._params["nparts"]):
server = self._params["server"]
db = self._params["server"][self._params["setname"] + "/" + str(i)]
value = total_doc_count + i + 1
new_doc = {
"_id": str(value),
"integer": value,
"string": str(value)
}
new_docs.append(new_doc)
db.save(new_doc)
new_total_doc_count = common.set_doc_count(self._params, range(self._params["nparts"]))
self.assertEqual(new_total_doc_count, (total_doc_count + len(new_docs)), "N documents were added")
total_doc_count = new_total_doc_count
# print "Querying view again"
(resp, view_result) = common.query(self._params, "mapview")
self.assertEqual(len(view_result["rows"]), total_doc_count, "number of received rows is %d" % total_doc_count)
self.assertEqual(view_result["total_rows"], total_doc_count, "total_rows is %d" % total_doc_count)
common.test_keys_sorted(view_result)
# print "Verifying group info"
info = common.get_set_view_info(self._params)
self.assertEqual(info["active_partitions"], range(self._params["nparts"]), "right active partitions list")
self.assertEqual(info["passive_partitions"], [], "right passive partitions list")
self.assertEqual(info["cleanup_partitions"], [], "right cleanup partitions list")
for i in xrange(self._params["nparts"]):
expected_seq = common.partition_update_seq(self._params, i)
self.assertEqual(info["update_seqs"][str(i)], expected_seq,
"right update seq number (%d) for partition %d" % (expected_seq, i + 1))
# print "Marking half of the partitions as passive"
passive = range(self._params["nparts"] / 2, self._params["nparts"])
active = range(self._params["nparts"] / 2)
common.set_partition_states(
self._params,
passive = range(self._params["nparts"] / 2, self._params["nparts"])
)
# print "Verifying group info"
info = common.get_set_view_info(self._params)
self.assertEqual(info["active_partitions"], active, "right active partitions list")
self.assertEqual(info["passive_partitions"], passive, "right passive partitions list")
self.assertEqual(info["cleanup_partitions"], [], "right cleanup partitions list")
for i in xrange(self._params["nparts"]):
expected_seq = common.partition_update_seq(self._params, i)
self.assertEqual(info["update_seqs"][str(i)], expected_seq,
"right update seq number (%d) for partition %d" % (expected_seq, i + 1))
# print "Querying view again"
(resp, view_result) = common.query(self._params, "mapview")
expected_row_count = common.set_doc_count(self._params, active)
self.assertEqual(len(view_result["rows"]), expected_row_count, "number of received rows is %d" % expected_row_count)
common.test_keys_sorted(view_result)
for row in view_result['rows']:
if row["key"] >= 2001:
key_part = ((row["key"] - 2000) % self._params["nparts"]) - 1
else:
key_part = (row["key"] % self._params["nparts"]) - 1
self.assertTrue(key_part in active, "Key %d from passive partition not in result set" % row["key"])
# print "Marking half of the partitions for cleanup"
common.set_partition_states(
self._params,
cleanup = passive
)
cleanup = passive
common.compact_set_view(self._params)
# print "Verifying group info"
info = common.get_set_view_info(self._params)
self.assertEqual(info["active_partitions"], active, "right active partitions list")
self.assertEqual(info["passive_partitions"], [], "right passive partitions list")
self.assertEqual(info["cleanup_partitions"], [], "right cleanup partitions list")
self.assertEqual(info["stats"]["compactions"], 1, "1 compaction")
self.assertEqual(info["stats"]["cleanups"], 1, "1 full cleanup")
for i in active:
expected_seq = common.partition_update_seq(self._params, i)
self.assertEqual(info["update_seqs"][str(i)], expected_seq,
"right update seq number (%d) for partition %d" % (expected_seq, i + 1))