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from base import Benchmark
from redis.connection import SYM_CRLF, SYM_DOLLAR, SYM_EMPTY, SYM_STAR, Connection
class StringJoiningConnection(Connection):
def send_packed_command(self, command, check_health=True):
"Send an already packed command to the Redis server"
if not self._sock:
self.connect()
try:
self._sock.sendall(command)
except OSError as e:
self.disconnect()
if len(e.args) == 1:
_errno, errmsg = "UNKNOWN", e.args[0]
else:
_errno, errmsg = e.args
raise ConnectionError(f"Error {_errno} while writing to socket. {errmsg}.")
except Exception:
self.disconnect()
raise
def pack_command(self, *args):
"Pack a series of arguments into a value Redis command"
args_output = SYM_EMPTY.join(
[
SYM_EMPTY.join(
(SYM_DOLLAR, str(len(k)).encode(), SYM_CRLF, k, SYM_CRLF)
)
for k in map(self.encoder.encode, args)
]
)
output = SYM_EMPTY.join(
(SYM_STAR, str(len(args)).encode(), SYM_CRLF, args_output)
)
return output
class ListJoiningConnection(Connection):
def send_packed_command(self, command, check_health=True):
if not self._sock:
self.connect()
try:
if isinstance(command, str):
command = [command]
for item in command:
self._sock.sendall(item)
except OSError as e:
self.disconnect()
if len(e.args) == 1:
_errno, errmsg = "UNKNOWN", e.args[0]
else:
_errno, errmsg = e.args
raise ConnectionError(f"Error {_errno} while writing to socket. {errmsg}.")
except Exception:
self.disconnect()
raise
def pack_command(self, *args):
output = []
buff = SYM_EMPTY.join((SYM_STAR, str(len(args)).encode(), SYM_CRLF))
for k in map(self.encoder.encode, args):
if len(buff) > 6000 or len(k) > 6000:
buff = SYM_EMPTY.join(
(buff, SYM_DOLLAR, str(len(k)).encode(), SYM_CRLF)
)
output.append(buff)
output.append(k)
buff = SYM_CRLF
else:
buff = SYM_EMPTY.join(
(buff, SYM_DOLLAR, str(len(k)).encode(), SYM_CRLF, k, SYM_CRLF)
)
output.append(buff)
return output
class CommandPackerBenchmark(Benchmark):
ARGUMENTS = (
{
"name": "connection_class",
"values": [StringJoiningConnection, ListJoiningConnection],
},
{
"name": "value_size",
"values": [10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000],
},
)
def setup(self, connection_class, value_size):
self.get_client(connection_class=connection_class)
def run(self, connection_class, value_size):
r = self.get_client()
x = "a" * value_size
r.set("benchmark", x)
if __name__ == "__main__":
CommandPackerBenchmark().run_benchmark()
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