~launchpad-pqm/launchpad/devel

[rs=me][ui=None][no-qa] Slow the rate of polling the buildd-manager
does to reduce the load on the database and cesium (the
buildmaster host).

added added

removed removed

103

"""A manager for a single builder."""

104

105

# The interval between each poll cycle, in seconds. We'd ideally

106

# like this to be lower but 5 seems a reasonable compromise between

106

# like this to be lower but 15 seems a reasonable compromise between

107

# responsivity and load on the database server, since in each cycle

108

# we can run quite a few queries.

109

SCAN_INTERVAL = 5

109

110

# NB. This used to be as low as 5 but as more builders are added to

111

# the farm this rapidly increases the query count, PG load and this

112

# process's load. It's backed off until we come up with a better

113

# algorithm for polling.

114

SCAN_INTERVAL = 15

110

115

111

116

def __init__(self, builder_name, logger):

112

117

self.builder_name = builder_name