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influxdb: use queue insertion time

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This commit is contained in:
Robert Jördens 2016-04-24 13:11:46 +02:00
parent aadcf0fe98
commit 86681dccff
1 changed files with 5 additions and 3 deletions
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8
artiq/frontend/artiq_influxdb.py
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@ -6,6 +6,7 @@ import asyncio
import atexit
import fnmatch
from functools import partial
import time
import numpy as np
import aiohttp
@ -95,19 +96,20 @@ class DBWriter(TaskObject):
def update(self, k, v):
try:
self._queue.put_nowait((k, v))
self._queue.put_nowait((k, v, time.time()))
except asyncio.QueueFull:
logger.warning("failed to update dataset '%s': "
"too many pending updates", k)
async def _do(self):
while True:
k, v = await self._queue.get()
k, v, t = await self._queue.get()
url = self.base_url + "/write"
params = {"u": self.user, "p": self.password, "db": self.database,
"precision": "ms"}
fmt_ty, fmt_v = format_influxdb(v)
data = "{},dataset={} {}={}".format(self.table, k, fmt_ty, fmt_v)
data = "{},dataset={} {}={} {}".format(
self.table, k, fmt_ty, fmt_v, round(t*1e3))
try:
response = await aiohttp.request(
"POST", url, params=params, data=data)