Now try this
a progressive mathematics course for students
Ian McDonald and Ronnie MacLellan. Red and yellow teacher's book.

Debug Stats

SUMMARY

infobase: {'count': 3, 'time': 0.055194616317749023}
memcache.set: {'count': 2, 'time': 0.0018970966339111328}
memcache.get: {'count': 9, 'time': 0.014009952545166016}
total: {'count': 0, 'unaccounted': 0.069369316101074219, 'time': 0.16013598442077637}
solr: {'count': 2, 'time': 0.014574050903320312}
memcache.get_multi: {'count': 1, 'time': 0.0050909519195556641}

Details

memcache.get 0.00334095954895
    {'hit': False, 'key': u'/books/OL20943592M'}
infobase 0.0150737762451
    {'path': '/openlibrary.org/get', 'data': {'key': u'/books/OL20943592M', 'revision': None}, 'method': 'GET'}
memcache.get 0.00095796585083
    {'hit': False, 'key': 'd/books/OL20943592M'}
infobase 0.0220079421997
    {'path': '/openlibrary.org/versions', 'data': {'query': '{"limit": 5, "key": "/books/OL20943592M", "offset": 0}'}, 'method': 'GET'}
memcache.get 0.00116491317749
    {'hit': False, 'key': 'd/books/OL20943592M'}
memcache.set 0.00108098983765
    {'key': 'd/books/OL20943592M'}
memcache.get_multi 0.00509095191956
    {'found': 3}
memcache.get 0.00110101699829
    {'hit': True, 'key': u'/works/OL13262958W'}
memcache.get 0.00248908996582
    {'hit': True, 'key': u'/authors/OL6166439A'}
memcache.get 0.00075101852417
    {'hit': True, 'key': 'd/works/OL13262958W'}
solr 0.0117299556732
    {'url': u'http://ol-solr0:8983/solr/works/select?version=2.2&q.op=AND&q=key:OL13262958W&rows=10&fl=edition_key&qt=standard&wt=json'}
solr 0.0028440952301
    {'url': u'http://ol-solr0:8983/solr/works/select?version=2.2&q.op=AND&q=key:OL13262958W&rows=10&fl=edition_key&qt=standard&wt=json'}
memcache.get 0.00174903869629
    {'hit': True, 'key': 'd/books/OL20943592M'}
infobase 0.0181128978729
    {'path': '/openlibrary.org/things', 'data': {'query': '{"type": "/type/list", "seeds": {"key": "/books/OL20943592M"}, "limit": 50, "offset": 0}', 'details': 'False'}, 'method': 'GET'}
memcache.get 0.000958919525146
    {'hit': True, 'key': 'd/books/OL20943592M'}
memcache.set 0.000816106796265
    {'key': 'd/books/OL20943592M'}
memcache.get 0.00149703025818
    {'hit': True, 'key': 'inlibrary.libraries-hash'}