IXSCAN
COLLSCAN for a collection scan; IXSCAN for scanning index keys; FETCH for retrieving documents; SHARD_MERGE for merging results from shards ... ,IXSCAN. 此運算子代表掃描索引。 運算子名稱：IXSCAN. 代表：掃描索引以產生較少的橫列ID 串流。掃描可以使用選用的啟動/停止條件，或是可以套用至可檢索的述 ... , The explain output doesn't help much, because dates in the query were compared to strings like “1/1/2015” resulting with 0 matches. Since you ...,運算子名稱：IXSCAN. 代表：掃描索引以產生較少的橫列ID 串流。掃描可以使用選用的啟動/停止條件，或是可以套用至可檢索的述詞（其參照索引的直欄）。 在存取基本 ... , winningPlan.stage的child stage，此處是IXSCAN，表示進行的是index scanning。 queryPlanner.winningPlan.keyPattern:所掃描的index內容，此 ..., IXSCAN, 扫描索引. FETCH, 根据索引去检索指定document. SHARD_MERGE, 将各个分片返回数据进行merge. SORT, 表明在内存中进行了排序., winningPlan.stage的child stage，此处是IXSCAN，表示进行的是index scanning。 explain.queryPlanner.winningPlan.keyPattern 所扫描的index ..., I'm attempting to grep through some Mongo logs in an attempt to find slow operations that I need to optimize. Slow query logging is at the ..., They are different stages for different purposes. I believe DISTINCT_SCAN is only present when there is an index in the field. An IXSCAN stage ...
| 相關軟體 MongoDB 資訊 | |
|---|---|
 IXSCAN 相關參考資料
Explain Results — MongoDB Manual
COLLSCAN for a collection scan; IXSCAN for scanning index keys; FETCH for retrieving documents; SHARD_MERGE for merging results from shards ... https://docs.mongodb.com IBM Knowledge Center
IXSCAN. 此運算子代表掃描索引。 運算子名稱：IXSCAN. 代表：掃描索引以產生較少的橫列ID 串流。掃描可以使用選用的啟動/停止條件，或是可以套用至可檢索的述 ... https://www.ibm.com Improving performance on an IXSCAN? - Stack Overflow
The explain output doesn't help much, because dates in the query were compared to strings like “1/1/2015” resulting with 0 matches. Since you ... https://stackoverflow.com IXSCAN - IBM Knowledge Center
運算子名稱：IXSCAN. 代表：掃描索引以產生較少的橫列ID 串流。掃描可以使用選用的啟動/停止條件，或是可以套用至可檢索的述詞（其參照索引的直欄）。 在存取基本 ... https://www.ibm.com mongodb .explain('executionStats') 查詢效能分析(轉) - IT閱讀
winningPlan.stage的child stage，此處是IXSCAN，表示進行的是index scanning。 queryPlanner.winningPlan.keyPattern:所掃描的index內容，此 ... https://www.itread01.com MongoDB 索引和explain使用- 简书
IXSCAN, 扫描索引. FETCH, 根据索引去检索指定document. SHARD_MERGE, 将各个分片返回数据进行merge. SORT, 表明在内存中进行了排序. https://www.jianshu.com MongoDB干货系列2-MongoDB执行计划分析详解（1 ...
winningPlan.stage的child stage，此处是IXSCAN，表示进行的是index scanning。 explain.queryPlanner.winningPlan.keyPattern 所扫描的index ... https://mongoing.com Understanding IXSCAN and COLLSCAN in MongoDB logs ...
I'm attempting to grep through some Mongo logs in an attempt to find slow operations that I need to optimize. Slow query logging is at the ... https://serverfault.com What's the difference between DISTINCT_SCAN and IXSCAN ...
They are different stages for different purposes. I believe DISTINCT_SCAN is only present when there is an index in the field. An IXSCAN stage ... https://dba.stackexchange.com |