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1.2.0: Support Read Preference tag sets (geo/datacenter awareness, etc) #219
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dbmurphy
merged 23 commits into
Percona-Lab:master
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timvaillancourt:1.2.0-read_pref_tags
Sep 21, 2017
Merged
1.2.0: Support Read Preference tag sets (geo/datacenter awareness, etc) #219
dbmurphy
merged 23 commits into
Percona-Lab:master
from
timvaillancourt:1.2.0-read_pref_tags
Sep 21, 2017
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…for readPreferenceTags'
…for readPreferenceTags' #2
…mp version, cleaned up some of the mongodump_cmd builder-func
… dumping use them.
…DB.py, move some specific stuff back to Backup/Mongodump/MongodumpThread.py. Added tag-awareness to Replication/Replset.py so we can score/find members properly
dbmurphy
approved these changes
Sep 20, 2017
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NOTE: this PR requires #208 to be merged (SSL support) - both PRs touch similar files so 208 was integrated here to avoid merge conflicts.
Support key:value pairs (comma-separated) to set read preference for backup. This will allow much more flexibility in backup architecture and can be used to implement geo/datacenter awareness, finer-grained control over selected backup nodes, etc.
All shards (or single replset) must have at least one host matching the tags or the server selection will throw an exception, failing the backup (due to no selected node).
New RP flag:
This PR involved adding RP tag support to Common/DB.py and the Backup/Mongodump/*.py files as well as README and config files.