[SERVER-20229] tnscanned and nscannedobjects in the log Created: 31/Aug/15 Updated: 31/Aug/15 Resolved: 31/Aug/15 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Question | Priority: | Critical - P2 |
| Reporter: | Van Pham | Assignee: | Andre de Frere |
| Resolution: | Done | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Backwards Compatibility: | Fully Compatible |
| Participants: |
| Description |
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As we go through our load test, we start seeing lots of tnscanned and nscannedobjects in the log for our replica set: update: { $set: { id: "accounts:loadtest_adv_user_120817", token: "74edd6875a0e809b8cd3e241261494d9011f0aef3d16d66534eeda14496a4d62", account_id: "ef9e1236372512c38e7fd9aa", uuid: "loadtest_adv_user_120817", type: "anonymous", platform: "iOS", locale: "en_US", SNIDS: [], created_date: 1440718756, first_login: { fea32fb361e846c3921f495eacfc6c4f: 1440718756 }, last_login: { fea32fb361e846c3921f495eacfc6c4f: 1440719106 }, casToken: "7de0456af2fd", deviceId: "" } } nscanned:1 nscannedObjects:1 nMatched:1 nModified:1 fastmod:1 keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 2, w: 2 }}, MMAPV1Journal: { acquireCount: { w: 3 }, acquireWaitCount: { w: 1 }, timeAcquiringMicros: { w: 414864 }}, Database: { acquireCount: { w: 2 }}, Collection: { acquireCount: { W: 1 }, acquireWaitCount: { W: 1 }, timeAcquiringMicros: { W: 4285 }}, oplog: { acquireCount: { w: 1 } } } 419ms update: { $set: { id: "accounts:loadtest_adv_user_75867", token: "5fd813afb4436f2cd42bc96b43ed565432c6d846eb1adb011123aa7b1720df3a", account_id: "5de7a7256d6338173d29424e", uuid: "loadtest_adv_user_75867", type: "anonymous", platform: "iOS", locale: "en_US", SNIDS: [], created_date: 1440718756, first_login: { fea32fb361e846c3921f495eacfc6c4f: 1440718756 }, last_login: { fea32fb361e846c3921f495eacfc6c4f: 1440719106 }, casToken: "1b1b7268bdc7", deviceId: "" } } nscanned:1 nscannedObjects:1 nMatched:1 nModified:1 fastmod:1 keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 2, w: 2 }}, MMAPV1Journal: { acquireCount: { w: 3 }, acquireWaitCount: { w: 1 }, timeAcquiringMicros: { w: 412587 }}, Database: { acquireCount: { w: 2 }}, Collection: { acquireCount: { W: 1 }, acquireWaitCount: { W: 1 }, timeAcquiringMicros: { W: 4174 }}, oplog: { acquireCount: { w: 1 }} } 416ms 2015-08-27T16:45:06.640-0700 I WRITE [conn1170984] update auth.accounts query: { id: "accounts:loadtest_adv_user_30791" }update: { $set: { id: "accounts:loadtest_adv_user_30791", token: "1f199dc363ee77b1b4646c9cac39aaf419e2de68b46d59e43a502f55ca0c5b5a", account_id: "3974b68770a3c183183c9b6d", uuid: "loadtest_adv_user_30791", type: "anonymous", platform: "iOS", locale: "en_US", SNIDS: [], created_date: 1440718754, first_login: { fea32fb361e846c3921f495eacfc6c4f: 1440718754 }, last_login: { fea32fb361e846c3921f495eacfc6c4f: 1440719106 }, casToken: "6ef5c8b4ac8b", deviceId: "" } } nscanned:1 nscannedObjects:1 nMatched:1 nModified:1 fastmod:1 keyUpdates:0 writeConflicts:0 numYields:0 locks:{ Global: { acquireCount: { r: 2, w: 2 }}, MMAPV1Journal: { acquireCount: { w: 3 }, acquireWaitCount: { w: 1 }, timeAcquiringMicros: { w: 423119 }}, Database: { acquireCount: { w: 2 }}, Collection: { acquireCount: { W: 1 }, acquireWaitCount: { W: 1 }, timeAcquiringMicros: { W: 3913 }}, oplog: { acquireCount: { w: 1 }} } 427ms |
| Comments |
| Comment by Andre de Frere [ 31/Aug/15 ] |
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Thanks for your report. Please note that the SERVER project is for reporting bugs or feature suggestions for the MongoDB server. For MongoDB-related support discussion please post on the mongodb-user group or Stack Overflow with the mongodb tag, where your question will reach a larger audience. A question like this involving more discussion would be best posted on the mongodb-user group. See also our Technical Support page for additional support resources. |