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Performance: improve (#514)
* Performance: improve Signed-off-by: junxiang Mu <1948535941@qq.com> * remove dirty Signed-off-by: junxiang Mu <1948535941@qq.com> * fix some err Signed-off-by: junxiang Mu <1948535941@qq.com> --------- Signed-off-by: junxiang Mu <1948535941@qq.com>
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@@ -302,17 +302,19 @@ impl TierConfigMgr {
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}
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pub async fn get_driver<'a>(&'a mut self, tier_name: &str) -> std::result::Result<&'a WarmBackendImpl, AdminError> {
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Ok(match self.driver_cache.entry(tier_name.to_string()) {
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Entry::Occupied(e) => e.into_mut(),
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Entry::Vacant(e) => {
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let t = self.tiers.get(tier_name);
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if t.is_none() {
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return Err(ERR_TIER_NOT_FOUND.clone());
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}
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let d = new_warm_backend(t.expect("err"), false).await?;
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e.insert(d)
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}
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})
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// Return cached driver if present
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if self.driver_cache.contains_key(tier_name) {
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return Ok(self.driver_cache.get(tier_name).unwrap());
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}
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// Get tier configuration and create new driver
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let tier_config = self.tiers.get(tier_name).ok_or_else(|| ERR_TIER_NOT_FOUND.clone())?;
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let driver = new_warm_backend(tier_config, false).await?;
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// Insert and return reference
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self.driver_cache.insert(tier_name.to_string(), driver);
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Ok(self.driver_cache.get(tier_name).unwrap())
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}
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pub async fn reload(&mut self, api: Arc<ECStore>) -> std::result::Result<(), std::io::Error> {
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