Hello,
Apologies for the scattergun approach, but I am trying to make sure that
I don't inadvertently cause problems for anyone who might still be using
the older Analytics Clients
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Clients>, namely
*stat100[4-7]*, as they are to be decommissioned shortly.
My plan is to merge this patch
<https://gerrit.wikimedia.org/r/c/operations/puppet/+/1038329> tomorrow,
June 5th at approximately 10:00 UTC, which will disable user login to
stat100[4-7].
If you still need to move files from these servers to a different stat
server, or to HDFS, please refer to the guidelines here:
* syncing files between stats servers
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Clients#Rsync_between_clients>
* using the hdfs CLI
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Cluster#How_do_I...>
I plan to keep these servers running in this 'insetup' mode for about a
week, just in case there is still something useful on them, before
finally decommissioning them.
If this schedule is inconvenient for you, or you have any other concerns
about the work, please don't hesitate to reply or to contact the Data
Platform SRE team. You can use #data-platforms-sre on Slack, or
#wikimedia-data-platform on IRC, or ping me direct.
Kind regards,
Ben
On 28/05/2024 12:41 pm, Ben Tullis wrote:
I have not been able to make this change today, so I will schedule it
for next week instead.
Kind regards,
Ben
On 24/05/2024 4:31 pm, Ben Tullis wrote:
Hello,
Just a quick reminder that this work to take stat100[4-7] out of
service will be going ahead next Tuesday morning, May 28th.
Please ensure that you have copied any important files to different
stat servers or to HDFS before then.
Feel free do get in touch with us at if you have any concerns about
this schedule.
Kind regards,
Ben
On 07/05/2024 12:47 pm, Ben Tullis wrote:
Hello,
We need to plan to decommission several of the analytics clients
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Clients>,
also referred to as the stats servers, since they have reached their
end of service date. The servers in question are:
* stat1004 <https://wikitech.wikimedia.org/wiki/Stat1004>
* stat1005 <https://wikitech.wikimedia.org/wiki/Stat1005>
* stat1006 <https://wikitech.wikimedia.org/wiki/Stat1006>
* stat1007 <https://wikitech.wikimedia.org/wiki/Stat1007>
If you actively use these servers, please consider moving your work
to alternative stat servers (namely, stat10[08-11]) as soon as
reasonably possible.
Similarly, should you have personal files in your home directory on
any of these servers that you would like to retain, now would be a
good time to consider moving them to a different server, or moving
them to your HDFS home directory.
There are some guides available on syncing files between stats
servers
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Clients#Rsync_between_clients>
and also using the hdfs CLI
<https://wikitech.wikimedia.org/wiki/Analytics/Systems/Cluster#How_do_I...>
to manage files, which may help you to clean up the necessary files.
We would like to be able to decommission these servers *three weeks'
from today*, which is on *Tuesday May 28th*. Please do feel free to
get back to us if you feel that this timescale will not allow
sufficient time for you to migrate your work to alternative servers,
or if you have any other concerns about this plan.
Kind regards,
Ben
--
*Ben Tullis*(he/him)
Senior Site Reliability Engineer
Wikimedia Foundation <https://wikimediafoundation.org/>
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