Nhse o32 orkv.i58 backport #60
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Optimisations: - Take the timestamp to the cache after get_stats/0 has returned, so that if get_stats/0 takes > 1s any requests in the queue for riak_kv_http_cache will still use the cache. - refactor riak_kv_status:aliases/0 to use simple lists rather than orddict. - remove altogether the sys_monitor_count, it is simply too expensive. Available as a riak_kv_util module function instead for the experienced operator.
It takes more than 5s on some systems at the moment - and this then dumps an unhelpful crashdump to the user. Make a longer default timeout, allow the timeout to be passed by the operator, and also return more operator-friendly error on timeout occurring.
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This removes a statistic in a minor version release. I think this is acceptable, but will include a specific warning in the release notes and other release announcements. I prefer this to including a dummy statistic which may be misleading. |
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Bring #59 to 3.2.
Test also backported - OpenRiak/riak_test#36