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https://github.com/golang/go
synced 2024-09-24 05:20:13 -06:00
dashboard: lots of caching to avoid datastore queries
reorganize benchmark computation so that it is incremental. if it times out, it doesn't lose the pieces it already computed, so that next time it has a fighting chance to finish. R=agl1, agl CC=golang-dev https://golang.org/cl/216046
This commit is contained in:
Russ Cox
parent
32c3c95339
commit
666abfb64c
@ -6,6 +6,7 @@
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# by AppEngine.
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from google.appengine.api import memcache
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from google.appengine.runtime import DeadlineExceededError
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from google.appengine.ext import db
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from google.appengine.ext import webapp
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from google.appengine.ext.webapp import template
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@ -76,6 +77,15 @@ def builderInfo(b):
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note = f[2]
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return {'name': b, 'goos': goos, 'goarch': goarch, 'note': note}
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def builderset():
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q = Commit.all()
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q.order('-__key__')
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results = q.fetch(N)
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builders = set()
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for c in results:
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builders.update(set(parseBuild(build)['builder'] for build in c.builds))
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return builders
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class MainPage(webapp.RequestHandler):
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def get(self):
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self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
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@ -108,30 +118,32 @@ class MainPage(webapp.RequestHandler):
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class GetHighwater(webapp.RequestHandler):
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def get(self):
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builder = self.request.get('builder')
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hw = Highwater.get_by_key_name('hw-%s' % builder)
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if hw is None:
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# If no highwater has been recorded for this builder,
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# we go back N+1 commits and return that.
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q = Commit.all()
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q.order('-__key__')
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c = q.fetch(N+1)[-1]
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self.response.set_status(200)
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self.response.out.write(c.node)
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return
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# if the proposed hw is too old, bump it forward
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node = hw.commit
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found = False
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q = Commit.all()
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q.order('-__key__')
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recent = q.fetch(N+1)
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for c in recent:
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if c.node == node:
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found = True
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break
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if not found:
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node = recent[-1].node
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key = 'hw-%s' % builder
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node = memcache.get(key)
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if node is None:
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hw = Highwater.get_by_key_name('hw-%s' % builder)
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if hw is None:
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# If no highwater has been recorded for this builder,
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# we go back N+1 commits and return that.
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q = Commit.all()
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q.order('-__key__')
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c = q.fetch(N+1)[-1]
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node = c.node
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else:
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# if the proposed hw is too old, bump it forward
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node = hw.commit
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found = False
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q = Commit.all()
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q.order('-__key__')
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recent = q.fetch(N+1)
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for c in recent:
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if c.node == node:
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found = True
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break
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if not found:
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node = recent[-1].node
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memcache.set(key, node, 3600)
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self.response.set_status(200)
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self.response.out.write(node)
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@ -166,7 +178,9 @@ class SetHighwater(webapp.RequestHandler):
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if not found:
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c = recent[-1]
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hw = Highwater(key_name = 'hw-%s' % builder)
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key = 'hw-%s' % builder
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memcache.delete(key)
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hw = Highwater(key_name = key)
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hw.commit = c.node
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hw.put()
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@ -270,6 +284,8 @@ class Build(webapp.RequestHandler):
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hw = Highwater(key_name = 'hw-%s' % builder)
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hw.commit = node
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hw.put()
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memcache.delete('hw')
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memcache.delete('bench')
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self.response.set_status(200)
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@ -295,95 +311,91 @@ class Benchmarks(webapp.RequestHandler):
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return self.json()
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self.response.set_status(200)
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self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
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q = Commit.all()
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q.order('-__key__')
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n = q.fetch(1)[0]
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key = "bench(%d)" % n.num
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page = None # memcache.get(key)
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page = memcache.get('bench')
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if not page:
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page = self.compute()
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memcache.set(key, page, 3600)
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num = memcache.get('hw')
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if num is None:
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q = Commit.all()
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q.order('-__key__')
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n = q.fetch(1)[0]
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memcache.set('hw', num)
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page, full = self.compute(n.num)
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if full:
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memcache.set('bench', page, 3600)
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self.response.out.write(page)
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def compute(self):
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def compute(self, num):
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q = Benchmark.all()
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q.filter('__key__ >', Benchmark.get_or_insert('v002.').key())
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bs = q.fetch(10000)
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# Collect table giving all the data we need.
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builders = {}
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data = {}
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for b in bs:
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# TODO(rsc): Will want to limit benchmarks to a certain
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# number of commits eventually, but there aren't enough
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# commits yet to worry.
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q = BenchmarkResult.all()
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q.ancestor(b)
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q.order('-__key__')
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results = q.fetch(10000)
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m = {}
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revs = {}
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for r in results:
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if r.builder not in m:
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m[r.builder] = {}
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m[r.builder][r.num] = r.nsperop
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revs[r.num] = 0
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builders[r.builder] = 0
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data[b.name] = m
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benchmarks = q.fetch(10000)
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builders = list(builders.keys())
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# Which builders have sent benchmarks recently?
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builders = set()
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q = BenchmarkResult.all()
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q.ancestor(benchmarks[0])
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q.order('-__key__')
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for r in q.fetch(50):
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builders.add(r.builder)
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builders = list(builders)
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builders.sort()
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revs = list(revs.keys())
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revs.sort()
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first = revs[0]
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last = revs[-1]
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if len(revs) > 80: # At most 80 commits back
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last = revs[-80]
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names = list(data.keys())
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names.sort()
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NB = 80
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last = num
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first = num+1 - NB
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# Build list of rows, one per benchmark
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benchmarks = []
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for name in names:
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# Build list of cells, one per builder.
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m = data[name]
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builds = []
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for builder in builders:
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# Build cell: a URL for the chart server or an empty string.
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if builder not in m:
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builds.append({"url":""})
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continue
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d = m[builder]
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max = 0
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tot = 0
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ntot = 0
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for i in range(first, last+1):
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if i not in d:
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rows = [{"name": bm.name, "builds": [{"url": ""} for b in builders]} for bm in benchmarks]
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full = True
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try:
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for i in range(len(rows)):
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data = None
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bm = benchmarks[i]
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builds = rows[i]["builds"]
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all = None
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for j in range(len(builders)):
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cell = builds[j]
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b = builders[j]
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# Build cell: a URL for the chart server or an empty string.
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# Cache individual graphs because they're so damn expensive.
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key = "bench(%s,%s,%d)" % (bm.name, b, num)
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url = memcache.get(key)
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if url is not None:
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cell["url"] = url
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continue
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val = d[i]
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if max < val:
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max = val
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tot += val
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ntot += 1
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if max == 0:
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builds.append({"url":""})
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continue
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avg = tot / ntot
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if 2*avg > max:
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max = 2*avg
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# Encoding is 0-61, which is fine enough granularity for our tiny graphs. _ means missing.
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encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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s = ""
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for i in range(first, last+1):
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if i not in d:
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s += "_"
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# Page in all data for benchmark for all builders,
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# on demand. It might be faster to ask for just the
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# builder that we need, but q.filter('builder = ', b) is
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# broken right now (the index is corrupt).
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if all is None:
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q = BenchmarkResult.all()
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q.ancestor(bm)
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q.order('-__key__')
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all = q.fetch(1000)
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data = [-1 for x in range(first, last+1)]
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for r in all:
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if r.builder == b and first <= r.num and r.num <= last:
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data[r.num - first] = r.nsperop
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present = [x for x in data if x >= 0]
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if len(present) == 0:
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memcache.set(key, "", 3600)
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continue
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val = d[i]
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s += encoding[int((len(encoding)-1)*val/max)]
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builds.append({"url": "http://chart.apis.google.com/chart?cht=ls&chd=s:"+s})
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benchmarks.append({"name": name, "builds": builds})
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avg = sum(present) / len(present)
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maxval = max(2*avg, max(present))
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# Encoding is 0-61, which is fine enough granularity for our tiny graphs. _ means missing.
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encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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s = ''.join([x < 0 and "_" or encoding[int((len(encoding)-1)*x/maxval)] for x in data])
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url = "http://chart.apis.google.com/chart?cht=ls&chd=s:"+s
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memcache.set(key, url, 3600)
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cell["url"] = url
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except DeadlineExceededError:
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# forge ahead with partial benchmark results
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# the url caches above should make the next page quicker to compute
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full = False
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names = [bm.name for bm in benchmarks]
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bs = []
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for b in builders:
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@ -395,10 +407,10 @@ class Benchmarks(webapp.RequestHandler):
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note = f[2]
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bs.append({'goos': goos, 'goarch': goarch, 'note': note})
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values = {"benchmarks": benchmarks, "builders": bs}
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values = {"benchmarks": rows, "builders": bs}
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path = os.path.join(os.path.dirname(__file__), 'benchmarks.html')
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return template.render(path, values)
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return template.render(path, values), full
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def post(self):
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if not auth(self.request):
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@ -444,8 +456,10 @@ class Benchmarks(webapp.RequestHandler):
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b = Benchmark.get_or_insert('v002.' + benchmark.encode('base64'), name = benchmark, version = 2)
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r = BenchmarkResult(key_name = '%08x/%s' % (n.num, builder), parent = b, num = n.num, iterations = iterations, nsperop = time, builder = builder)
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r.put()
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key = "bench(%d)" % n.num
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memcache.delete(key)
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key = "bench(%s,%s,%d)" % (benchmark, builder, n.num)
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memcache.delete(key)
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memcache.delete('bench')
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self.response.set_status(200)
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def node(num):
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@ -481,6 +495,9 @@ class GetBenchmarks(webapp.RequestHandler):
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minv = r.num
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builders.add(r.builder)
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builders = list(builders)
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builders.sort()
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res = {}
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for b in builders:
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res[b] = [[-1] * ((maxv - minv) + 1), [-1] * ((maxv - minv) + 1)]
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@ -1,14 +1,11 @@
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indexes:
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# AUTOGENERATED
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# This index.yaml is automatically updated whenever the dev_appserver
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# detects that a new type of query is run. If you want to manage the
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# index.yaml file manually, remove the above marker line (the line
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# saying "# AUTOGENERATED"). If you want to manage some indexes
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# manually, move them above the marker line. The index.yaml file is
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# automatically uploaded to the admin console when you next deploy
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# your application using appcfg.py.
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- kind: BenchmarkResult
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ancestor: yes
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properties:
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- name: builder
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- name: __key__
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direction: desc
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- kind: BenchmarkResult
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ancestor: yes
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@ -20,3 +17,14 @@ indexes:
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properties:
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- name: __key__
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direction: desc
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# AUTOGENERATED
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# This index.yaml is automatically updated whenever the dev_appserver
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# detects that a new type of query is run. If you want to manage the
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# index.yaml file manually, remove the above marker line (the line
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# saying "# AUTOGENERATED"). If you want to manage some indexes
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# manually, move them above the marker line. The index.yaml file is
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# automatically uploaded to the admin console when you next deploy
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# your application using appcfg.py.
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