[["assignee",{"type":"Assignee","key":"assignee","title":"Assignee","editable":true,"value":{"accountId":"5cd5cff9f593d10d74a6c31c","displayName":"Sam Lloyd","avatarUrls":{"48x48":"https://avatar-management--avatars.us-west-2.prod.public.atl-paas.net/5cd5cff9f593d10d74a6c31c/1cb2dd7f-7316-499b-910d-3d67d6352b72/128"}},"renderer":null}],["components",{"type":"Components","key":"components","title":"Components","editable":true,"value":[],"renderer":null}],["customfield_10003",{"type":"FlaggedCustomField","key":"customfield_10003","title":"Flagged","editable":true,"value":null,"renderer":null}],["customfield_10005",{"type":"StoryPoints","key":"customfield_10005","title":"Story Points","editable":true,"value":2,"renderer":null}],["customfield_10008",{"type":"Epic","key":"customfield_10008","title":"Epic Link","editable":true,"value":{"id":26663,"key":"HK-358","name":"Task 41 Mod 1","summary":"Performance improvements for serving data stored in S3 and tests for client compatibility.","colorKey":"ghx-label-5","done":false},"renderer":null}],["description",{"type":"Description","key":"description","title":"Description","editable":true,"value":{"version":1,"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"Edits the code to stop opening and closing the MDS ledger over and over."}]},{"type":"paragraph","content":[{"type":"text","text":"Then protect the code that writes to the ledger so that it's thread and process safe."}]},{"type":"paragraph","content":[{"type":"text","text":"File : bes/dap/GlobalMetadataStore.cc ~ Lines 437 - 451"}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"type":"text","text":"/**\r\n * Write the current text of d_ledger_entry to the metadata store ledger\r\n */\r\nvoid\r\nGlobalMetadataStore::write_ledger()\r\n{\r\n // TODO open just once\r\n // FIXME Protect this with an exclusive lock!\r\n ofstream of(d_ledger_name.c_str(), ios::app);\r\n if (of) {\r\n dump_time(of, d_use_local_time);\r\n of << \" \" << d_ledger_entry << endl;\r\n VERBOSE(\"MD Ledger name: '\" << d_ledger_name << \"', entry: '\" << d_ledger_entry + \"'.\");\r\n }\r\n else {\r\n LOG(\"Warning: Metadata store could not write to is ledger file.\");\r\n }\r\n}"}]}]},"renderer":null}],["fixVersions",{"type":"FixVersions","key":"fixVersions","title":"Fix versions","editable":true,"value":[{"id":"10113","name":"hyrax 1.16.1"}],"renderer":null}],["issuetype",{"type":"IssueType","key":"issuetype","value":{"id":"3","name":"Task","iconUrl":"https://opendap.atlassian.net/secure/viewavatar?size=medium&avatarId=10318&avatarType=issuetype"},"renderer":null}],["labels",{"type":"Labels","key":"labels","title":"Labels","editable":true,"value":[],"renderer":null}],["priority",{"type":"Priority","key":"priority","title":"Priority","editable":true,"value":{"iconUrl":"https://opendap.atlassian.net/images/icons/priorities/medium.svg","name":"Medium","id":"3"},"renderer":null}],["project",{"type":"Project","key":"project","title":"","editable":false,"value":{"projectType":"software","isSimplified":false,"projectName":"Hyrax-Kanban"},"renderer":null}],["reporter",{"type":"Reporter","key":"reporter","title":"Reporter","editable":true,"value":{"accountId":"557058:f9fc08de-6713-4929-bf6b-9fb20051e705","displayName":"James Gallagher","avatarUrls":{"48x48":"https://avatar-management--avatars.us-west-2.prod.public.atl-paas.net/557058:f9fc08de-6713-4929-bf6b-9fb20051e705/d961151e-4a79-42a7-ad70-02f47e7c03de/128"}},"renderer":null}],["resolution",{"type":"Resolution","key":"resolution","title":"","editable":false,"value":{"id":"10000","name":"Done"},"renderer":null}],["status",{"type":"Status","key":"status","value":{"name":"Done","statusCategory":{"id":3}},"renderer":null}],["summary",{"type":"Summary","key":"summary","title":"Summary","editable":true,"value":"Address operational and efficiency issues in the MDS","renderer":null}],["timetracking",{"type":"TimeTracking","key":"timetracking","title":"Time tracking","editable":true,"value":{},"renderer":null}]]

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Address operational and efficiency issues in the MDS

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Epic Link