Tag: downtime
What to do when PyPI goes down July 20th, 2010
Lately PyPI, the Python package index, has been having some availability issues. When PyPI goes down it really hurts Python developers: we can’t install new packages, bring up new development environments or virtualenvs, or deploy code with depedencies. Work is ongoing – see PEP 381 – to add much-needed resiliency to PyPI, and the fruits of these labors are starting to become available. In particular, a number of PyPI mirrors are now available: b.…
Lessons from Rackspace's downtime November 3rd, 2009
Last night Rackspace Cloud had some downtime. Reading post-mortems is always instructive, so let’s see what we can learn from Rackspace. It sounds like this downtime was caused by a power issue: We were testing phase rotation on a Power Distribution Unit (PDU) when a short occurred and caused us to lose the PDUs behind this Cluster. The phase rotation allows us to verify synchronization of power between primary and secondary sources.…