sears
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7e44641799
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move c1-c2 backpresure to linear backpressure model; removes a few hundred lines of fussy code, and should enable further simplifiactions
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1488 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-12-13 21:17:35 +00:00 |
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sears
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a00531ae6d
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simplified merge_scheduler
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1479 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-12-11 00:51:19 +00:00 |
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sears
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a1f3f92cca
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added bulk-insert APIs, prevent c1-c2 from outrunning c0-c1 by too much, and fix the overshoot computations in merge manager (roughly corresponds to run 20)
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1074 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-08-30 22:22:25 +00:00 |
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sears
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960ff041e2
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remove old comments
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1055 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-08-24 00:40:48 +00:00 |
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sears
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6fd7dd0523
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cleaned up some code, moved pretty_print into its own thread, and fixed some buggy stats computations
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1054 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-08-23 23:28:29 +00:00 |
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sears
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1e487bbc54
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re-enable old merge policy for c1-c2 merger; implement shutdown (sort of)
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@1006 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-08-17 21:23:39 +00:00 |
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sears
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9dcb624649
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improved bps estimation; add "minisleeps" to update_progress; they do not belong there long term, but this is better than nothing
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@929 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-07-14 21:46:27 +00:00 |
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sears
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cf6c6e5955
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incease UPDATE_PROGRESS_DELTA by 10x, and FORCE_INTERVAL by 2.5x; tick no longer grabs a writelock on header_mut, and instead uses its own mutex
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@870 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-21 22:59:05 +00:00 |
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sears
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118ae94a9b
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cleaned up comments; upped force_interval to 10mb
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@864 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-18 23:52:17 +00:00 |
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sears
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8c35a1265a
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fix bug in overshoot_fudge computation; reduce number of knobs
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@860 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-18 23:00:23 +00:00 |
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sears
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0fb644640a
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improved concurrency for merger. not happy with worst case write latency on my dev machine anymore (seems to be less than 2.5 seconds, up from less than 1).
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@842 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-17 04:49:19 +00:00 |
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sears
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0ecd7491c7
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fix minor stats bugs; pull most stats computation into update_progress. The idea is that update_progress and tick, which are easily amortized, are the only stats things that need to grab latches
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@827 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-05 00:41:52 +00:00 |
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sears
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eda514ddaa
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amortize the computation of statistics (but not mutex acuqisitions) across many tuple insertions. Also, refactor stats stuff with latch contention in mind (but it still grabs too many latches...). This commit causes check_tcpclient to emit warnings on my machine. Not sure if it will happen on production hardware
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@824 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-06-02 21:47:58 +00:00 |
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sears
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d981d91dfa
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numerous bugfixes; rate limit progress meter display
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@816 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-05-27 23:15:24 +00:00 |
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sears
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aa7f7189d6
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admission control *almost* works; c1 sometimes blocks for a long time when a new c2 is created
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@809 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-05-26 00:58:17 +00:00 |
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sears
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c50c14d259
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admission control is now behaving properly (but there are still no concurrent writes, or bounds on how long admission control throttles a given writer)
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@806 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-05-21 23:43:17 +00:00 |
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sears
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2a1157602a
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Rewrite merge thread synchronization code, update status messages, implement preliminary (and ineffective) admission control, and force write merged data every megabyte (so that prograess can be tracked by admission control. Also, refactor quite a few things.
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@805 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
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2010-05-19 23:42:06 +00:00 |
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