Add periodic cache cleaner prevent slowdowns
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211cd5964a
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3 changed files with 22 additions and 7 deletions
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@ -10,12 +10,9 @@ template safeAddColumn(field: typedesc): untyped =
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dbFromTypes("cache.db", "", "", "", [Profile, Video])
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dbFromTypes("cache.db", "", "", "", [Profile, Video])
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withDb:
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withDb:
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try:
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Video.createTable(force=true)
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createTables()
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try: Profile.createTable()
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except DbError:
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except DbError: discard
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discard
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Video.title.safeAddColumn
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Video.description.safeAddColumn
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safeAddColumn Profile.lowername
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safeAddColumn Profile.lowername
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@ -80,3 +77,14 @@ proc getCachedVideo*(id: int64): Option[Video] =
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return some Video.getOne("videoId = ?", $id)
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return some Video.getOne("videoId = ?", $id)
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except KeyError:
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except KeyError:
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return none Video
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return none Video
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proc cacheCleaner*() {.async.} =
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while true:
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await sleepAsync(profileCacheTime.inMilliseconds.int)
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withDb:
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let up = "updated<" & $toUnix(getTime() - profileCacheTime)
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var profiles = Profile.getMany(10000, cond=up)
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var videos = Video.getMany(10000, cond=up)
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transaction:
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for p in profiles.mitems: delete(p)
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for v in videos.mitems: delete(v)
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@ -3,7 +3,7 @@ from net import Port
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import jester
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import jester
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import types, config, prefs, formatters
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import types, config, prefs, formatters, cache
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import views/[general, about]
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import views/[general, about]
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import routes/[
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import routes/[
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preferences, timeline, status, media, search, rss, list,
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preferences, timeline, status, media, search, rss, list,
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@ -25,6 +25,8 @@ createMediaRouter(cfg)
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createEmbedRouter(cfg)
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createEmbedRouter(cfg)
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createRssRouter(cfg)
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createRssRouter(cfg)
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asyncCheck cacheCleaner()
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settings:
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settings:
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port = Port(cfg.port)
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port = Port(cfg.port)
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staticDir = cfg.staticDir
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staticDir = cfg.staticDir
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@ -52,6 +52,11 @@ dbTypes:
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parseIt: parseEnum[VideoType](it.s)
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parseIt: parseEnum[VideoType](it.s)
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formatIt: dbValue($it)
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formatIt: dbValue($it)
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.}: VideoType
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.}: VideoType
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updated* {.
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dbType: "INTEGER"
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parseIt: it.i.fromUnix()
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formatIt: dbValue(getTime().toUnix())
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.}: Time
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genPrefsType()
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genPrefsType()
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