{"action":"created","comment":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/comments/42918720","id":42918720,"diff_hunk":"@@ -222,8 +226,8 @@\n       \"tachyon.worker.evictor.lrfu.step.factor\";\n   public static final String WORKER_EVICTOR_LRFU_ATTENUATION_FACTOR =\n       \"tachyon.worker.evictor.lrfu.attenuation.factor\";\n-  public static final String WORKER_TIERED_STORAGE_LEVEL_MAX =\n-      \"tachyon.worker.tieredstore.level.max\";\n+  public static final String WORKER_TIERED_STORAGE_LEVELS =\n+      \"tachyon.worker.tieredstore.levels\";","path":"common/src/main/java/tachyon/Constants.java","position":18,"original_position":18,"commit_id":"548f8536280c7a407c5ea2ac5b05fcd3521055b2","original_commit_id":"548f8536280c7a407c5ea2ac5b05fcd3521055b2","user":{"login":"apc999","id":1413748,"avatar_url":"https://avatars.githubusercontent.com/u/1413748?v=3","gravatar_id":"","url":"https://api.github.com/users/apc999","html_url":"https://github.com/apc999","followers_url":"https://api.github.com/users/apc999/followers","following_url":"https://api.github.com/users/apc999/following{/other_user}","gists_url":"https://api.github.com/users/apc999/gists{/gist_id}","starred_url":"https://api.github.com/users/apc999/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/apc999/subscriptions","organizations_url":"https://api.github.com/users/apc999/orgs","repos_url":"https://api.github.com/users/apc999/repos","events_url":"https://api.github.com/users/apc999/events{/privacy}","received_events_url":"https://api.github.com/users/apc999/received_events","type":"User","site_admin":false},"body":"please update `docs/Configuration-Settings.md` for this parameter name change.","created_at":"2015-10-23T21:55:20Z","updated_at":"2015-10-23T21:55:20Z","html_url":"https://github.com/amplab/tachyon/pull/1826#discussion_r42918720","pull_request_url":"https://api.github.com/repos/amplab/tachyon/pulls/1826","_links":{"self":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/comments/42918720"},"html":{"href":"https://github.com/amplab/tachyon/pull/1826#discussion_r42918720"},"pull_request":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/1826"}}},"pull_request":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/1826","id":48145340,"html_url":"https://github.com/amplab/tachyon/pull/1826","diff_url":"https://github.com/amplab/tachyon/pull/1826.diff","patch_url":"https://github.com/amplab/tachyon/pull/1826.patch","issue_url":"https://api.github.com/repos/amplab/tachyon/issues/1826","number":1826,"state":"open","locked":false,"title":"[TACHYON-724] Allow for Configurable Storage Levels","user":{"login":"manugoyal","id":628968,"avatar_url":"https://avatars.githubusercontent.com/u/628968?v=3","gravatar_id":"","url":"https://api.github.com/users/manugoyal","html_url":"https://github.com/manugoyal","followers_url":"https://api.github.com/users/manugoyal/followers","following_url":"https://api.github.com/users/manugoyal/following{/other_user}","gists_url":"https://api.github.com/users/manugoyal/gists{/gist_id}","starred_url":"https://api.github.com/users/manugoyal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/manugoyal/subscriptions","organizations_url":"https://api.github.com/users/manugoyal/orgs","repos_url":"https://api.github.com/users/manugoyal/repos","events_url":"https://api.github.com/users/manugoyal/events{/privacy}","received_events_url":"https://api.github.com/users/manugoyal/received_events","type":"User","site_admin":false},"body":"We implement configurable storage levels, as described in the JIRA.\r\n\r\nMost of the changes involve modifying the codebase to identify a storage\r\nlevel by its alias name, as opposed to its enum value (which we don't\r\nhave anymore), or its level in the hierarchy (which can change across\r\nworkers).\r\n\r\nWe get rid of the StorageLevelAlias class, and replace it with\r\nStorageTierAssoc, which maps between aliases and ordinal tier values, on\r\na specific worker, or on the master (for the global ordering of storage\r\ntiers).\r\n\r\nAlso, we get rid of the confusion between the storage tier enum value\r\nand storage level, and only use the ordinal number to sort storage\r\ntiers. This simplifies classes like StorageDirId.","created_at":"2015-10-20T00:52:30Z","updated_at":"2015-10-23T21:55:20Z","closed_at":null,"merged_at":null,"merge_commit_sha":"aa04168df31984271fe7d8633c1aa5481bf068a5","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/amplab/tachyon/pulls/1826/commits","review_comments_url":"https://api.github.com/repos/amplab/tachyon/pulls/1826/comments","review_comment_url":"https://api.github.com/repos/amplab/tachyon/pulls/comments{/number}","comments_url":"https://api.github.com/repos/amplab/tachyon/issues/1826/comments","statuses_url":"https://api.github.com/repos/amplab/tachyon/statuses/548f8536280c7a407c5ea2ac5b05fcd3521055b2","head":{"label":"manugoyal:configurable-storage-tiers","ref":"configurable-storage-tiers","sha":"548f8536280c7a407c5ea2ac5b05fcd3521055b2","user":{"login":"manugoyal","id":628968,"avatar_url":"https://avatars.githubusercontent.com/u/628968?v=3","gravatar_id":"","url":"https://api.github.com/users/manugoyal","html_url":"https://github.com/manugoyal","followers_url":"https://api.github.com/users/manugoyal/followers","following_url":"https://api.github.com/users/manugoyal/following{/other_user}","gists_url":"https://api.github.com/users/manugoyal/gists{/gist_id}","starred_url":"https://api.github.com/users/manugoyal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/manugoyal/subscriptions","organizations_url":"https://api.github.com/users/manugoyal/orgs","repos_url":"https://api.github.com/users/manugoyal/repos","events_url":"https://api.github.com/users/manugoyal/events{/privacy}","received_events_url":"https://api.github.com/users/manugoyal/received_events","type":"User","site_admin":false},"repo":{"id":16339378,"name":"tachyon","full_name":"manugoyal/tachyon","owner":{"login":"manugoyal","id":628968,"avatar_url":"https://avatars.githubusercontent.com/u/628968?v=3","gravatar_id":"","url":"https://api.github.com/users/manugoyal","html_url":"https://github.com/manugoyal","followers_url":"https://api.github.com/users/manugoyal/followers","following_url":"https://api.github.com/users/manugoyal/following{/other_user}","gists_url":"https://api.github.com/users/manugoyal/gists{/gist_id}","starred_url":"https://api.github.com/users/manugoyal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/manugoyal/subscriptions","organizations_url":"https://api.github.com/users/manugoyal/orgs","repos_url":"https://api.github.com/users/manugoyal/repos","events_url":"https://api.github.com/users/manugoyal/events{/privacy}","received_events_url":"https://api.github.com/users/manugoyal/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/manugoyal/tachyon","description":"Reliable File Sharing at Memory Speed Across Cluster Frameworks","fork":true,"url":"https://api.github.com/repos/manugoyal/tachyon","forks_url":"https://api.github.com/repos/manugoyal/tachyon/forks","keys_url":"https://api.github.com/repos/manugoyal/tachyon/keys{/key_id}","collaborators_url":"https://api.github.com/repos/manugoyal/tachyon/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/manugoyal/tachyon/teams","hooks_url":"https://api.github.com/repos/manugoyal/tachyon/hooks","issue_events_url":"https://api.github.com/repos/manugoyal/tachyon/issues/events{/number}","events_url":"https://api.github.com/repos/manugoyal/tachyon/events","assignees_url":"https://api.github.com/repos/manugoyal/tachyon/assignees{/user}","branches_url":"https://api.github.com/repos/manugoyal/tachyon/branches{/branch}","tags_url":"https://api.github.com/repos/manugoyal/tachyon/tags","blobs_url":"https://api.github.com/repos/manugoyal/tachyon/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/manugoyal/tachyon/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/manugoyal/tachyon/git/refs{/sha}","trees_url":"https://api.github.com/repos/manugoyal/tachyon/git/trees{/sha}","statuses_url":"https://api.github.com/repos/manugoyal/tachyon/statuses/{sha}","languages_url":"https://api.github.com/repos/manugoyal/tachyon/languages","stargazers_url":"https://api.github.com/repos/manugoyal/tachyon/stargazers","contributors_url":"https://api.github.com/repos/manugoyal/tachyon/contributors","subscribers_url":"https://api.github.com/repos/manugoyal/tachyon/subscribers","subscription_url":"https://api.github.com/repos/manugoyal/tachyon/subscription","commits_url":"https://api.github.com/repos/manugoyal/tachyon/commits{/sha}","git_commits_url":"https://api.github.com/repos/manugoyal/tachyon/git/commits{/sha}","comments_url":"https://api.github.com/repos/manugoyal/tachyon/comments{/number}","issue_comment_url":"https://api.github.com/repos/manugoyal/tachyon/issues/comments{/number}","contents_url":"https://api.github.com/repos/manugoyal/tachyon/contents/{+path}","compare_url":"https://api.github.com/repos/manugoyal/tachyon/compare/{base}...{head}","merges_url":"https://api.github.com/repos/manugoyal/tachyon/merges","archive_url":"https://api.github.com/repos/manugoyal/tachyon/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/manugoyal/tachyon/downloads","issues_url":"https://api.github.com/repos/manugoyal/tachyon/issues{/number}","pulls_url":"https://api.github.com/repos/manugoyal/tachyon/pulls{/number}","milestones_url":"https://api.github.com/repos/manugoyal/tachyon/milestones{/number}","notifications_url":"https://api.github.com/repos/manugoyal/tachyon/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/manugoyal/tachyon/labels{/name}","releases_url":"https://api.github.com/repos/manugoyal/tachyon/releases{/id}","created_at":"2014-01-29T08:35:14Z","updated_at":"2014-07-17T03:07:23Z","pushed_at":"2015-10-23T18:40:59Z","git_url":"git://github.com/manugoyal/tachyon.git","ssh_url":"git@github.com:manugoyal/tachyon.git","clone_url":"https://github.com/manugoyal/tachyon.git","svn_url":"https://github.com/manugoyal/tachyon","homepage":"http://tachyon-project.org","size":27195,"stargazers_count":0,"watchers_count":0,"language":"Java","has_issues":false,"has_downloads":true,"has_wiki":true,"has_pages":true,"forks_count":0,"mirror_url":null,"open_issues_count":0,"forks":0,"open_issues":0,"watchers":0,"default_branch":"master"}},"base":{"label":"amplab:master","ref":"master","sha":"1a567373376877503bb0cab5c88087ece422e977","user":{"login":"amplab","id":1438454,"avatar_url":"https://avatars.githubusercontent.com/u/1438454?v=3","gravatar_id":"","url":"https://api.github.com/users/amplab","html_url":"https://github.com/amplab","followers_url":"https://api.github.com/users/amplab/followers","following_url":"https://api.github.com/users/amplab/following{/other_user}","gists_url":"https://api.github.com/users/amplab/gists{/gist_id}","starred_url":"https://api.github.com/users/amplab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amplab/subscriptions","organizations_url":"https://api.github.com/users/amplab/orgs","repos_url":"https://api.github.com/users/amplab/repos","events_url":"https://api.github.com/users/amplab/events{/privacy}","received_events_url":"https://api.github.com/users/amplab/received_events","type":"Organization","site_admin":false},"repo":{"id":7276954,"name":"tachyon","full_name":"amplab/tachyon","owner":{"login":"amplab","id":1438454,"avatar_url":"https://avatars.githubusercontent.com/u/1438454?v=3","gravatar_id":"","url":"https://api.github.com/users/amplab","html_url":"https://github.com/amplab","followers_url":"https://api.github.com/users/amplab/followers","following_url":"https://api.github.com/users/amplab/following{/other_user}","gists_url":"https://api.github.com/users/amplab/gists{/gist_id}","starred_url":"https://api.github.com/users/amplab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amplab/subscriptions","organizations_url":"https://api.github.com/users/amplab/orgs","repos_url":"https://api.github.com/users/amplab/repos","events_url":"https://api.github.com/users/amplab/events{/privacy}","received_events_url":"https://api.github.com/users/amplab/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/amplab/tachyon","description":"Memory Centric Reliable Distributed Storage","fork":false,"url":"https://api.github.com/repos/amplab/tachyon","forks_url":"https://api.github.com/repos/amplab/tachyon/forks","keys_url":"https://api.github.com/repos/amplab/tachyon/keys{/key_id}","collaborators_url":"https://api.github.com/repos/amplab/tachyon/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/amplab/tachyon/teams","hooks_url":"https://api.github.com/repos/amplab/tachyon/hooks","issue_events_url":"https://api.github.com/repos/amplab/tachyon/issues/events{/number}","events_url":"https://api.github.com/repos/amplab/tachyon/events","assignees_url":"https://api.github.com/repos/amplab/tachyon/assignees{/user}","branches_url":"https://api.github.com/repos/amplab/tachyon/branches{/branch}","tags_url":"https://api.github.com/repos/amplab/tachyon/tags","blobs_url":"https://api.github.com/repos/amplab/tachyon/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/amplab/tachyon/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/amplab/tachyon/git/refs{/sha}","trees_url":"https://api.github.com/repos/amplab/tachyon/git/trees{/sha}","statuses_url":"https://api.github.com/repos/amplab/tachyon/statuses/{sha}","languages_url":"https://api.github.com/repos/amplab/tachyon/languages","stargazers_url":"https://api.github.com/repos/amplab/tachyon/stargazers","contributors_url":"https://api.github.com/repos/amplab/tachyon/contributors","subscribers_url":"https://api.github.com/repos/amplab/tachyon/subscribers","subscription_url":"https://api.github.com/repos/amplab/tachyon/subscription","commits_url":"https://api.github.com/repos/amplab/tachyon/commits{/sha}","git_commits_url":"https://api.github.com/repos/amplab/tachyon/git/commits{/sha}","comments_url":"https://api.github.com/repos/amplab/tachyon/comments{/number}","issue_comment_url":"https://api.github.com/repos/amplab/tachyon/issues/comments{/number}","contents_url":"https://api.github.com/repos/amplab/tachyon/contents/{+path}","compare_url":"https://api.github.com/repos/amplab/tachyon/compare/{base}...{head}","merges_url":"https://api.github.com/repos/amplab/tachyon/merges","archive_url":"https://api.github.com/repos/amplab/tachyon/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/amplab/tachyon/downloads","issues_url":"https://api.github.com/repos/amplab/tachyon/issues{/number}","pulls_url":"https://api.github.com/repos/amplab/tachyon/pulls{/number}","milestones_url":"https://api.github.com/repos/amplab/tachyon/milestones{/number}","notifications_url":"https://api.github.com/repos/amplab/tachyon/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/amplab/tachyon/labels{/name}","releases_url":"https://api.github.com/repos/amplab/tachyon/releases{/id}","created_at":"2012-12-21T17:43:46Z","updated_at":"2015-10-23T17:03:07Z","pushed_at":"2015-10-23T21:50:13Z","git_url":"git://github.com/amplab/tachyon.git","ssh_url":"git@github.com:amplab/tachyon.git","clone_url":"https://github.com/amplab/tachyon.git","svn_url":"https://github.com/amplab/tachyon","homepage":"http://tachyon-project.org","size":57450,"stargazers_count":1660,"watchers_count":1660,"language":"Java","has_issues":true,"has_downloads":true,"has_wiki":true,"has_pages":true,"forks_count":660,"mirror_url":null,"open_issues_count":28,"forks":660,"open_issues":28,"watchers":1660,"default_branch":"master"}},"_links":{"self":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/1826"},"html":{"href":"https://github.com/amplab/tachyon/pull/1826"},"issue":{"href":"https://api.github.com/repos/amplab/tachyon/issues/1826"},"comments":{"href":"https://api.github.com/repos/amplab/tachyon/issues/1826/comments"},"review_comments":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/1826/comments"},"review_comment":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/comments{/number}"},"commits":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/1826/commits"},"statuses":{"href":"https://api.github.com/repos/amplab/tachyon/statuses/548f8536280c7a407c5ea2ac5b05fcd3521055b2"}}}}