{"action":"created","comment":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/comments/34988275","id":34988275,"diff_hunk":"@@ -0,0 +1,164 @@\n+/*\n+ * Licensed to the University of California, Berkeley under one or more contributor license\n+ * agreements. See the NOTICE file distributed with this work for additional information regarding\n+ * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the\n+ * \"License\"); you may not use this file except in compliance with the License. You may obtain a\n+ * copy of the License at\n+ *\n+ * http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software distributed under the License\n+ * is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express\n+ * or implied. See the License for the specific language governing permissions and limitations under\n+ * the License.\n+ */\n+\n+package tachyon.worker.block.evictor;\n+\n+import java.io.IOException;\n+import java.util.ArrayList;\n+import java.util.Iterator;\n+import java.util.List;\n+import java.util.Map;\n+\n+import com.google.common.base.Preconditions;\n+\n+import org.slf4j.Logger;\n+import org.slf4j.LoggerFactory;\n+\n+import tachyon.Constants;\n+import tachyon.Pair;\n+import tachyon.exception.NotFoundException;\n+import tachyon.worker.block.BlockMetadataManagerView;\n+import tachyon.worker.block.BlockStoreLocation;\n+import tachyon.worker.block.meta.BlockMeta;\n+import tachyon.worker.block.meta.StorageDir;\n+import tachyon.worker.block.meta.StorageDirView;\n+import tachyon.worker.block.meta.StorageTier;\n+import tachyon.worker.block.meta.StorageTierView;\n+\n+/**\n+ * This class is used to evict old blocks in certain StorageDir by LRU. The main difference\n+ * between PartialLRU and LRU is that LRU choose old blocks among several StorageDirs\n+ * until one StorageDir satisfies the request space, but PartialLRU select one StorageDir","path":"servers/src/main/java/tachyon/worker/block/evictor/PartialLRUEvictor.java","position":43,"original_position":43,"commit_id":"dd3b526a783e3d89e2c0bac4c3f17cdef9b8d156","original_commit_id":"dd3b526a783e3d89e2c0bac4c3f17cdef9b8d156","user":{"login":"uronce-cc","id":3663941,"avatar_url":"https://avatars.githubusercontent.com/u/3663941?v=3","gravatar_id":"","url":"https://api.github.com/users/uronce-cc","html_url":"https://github.com/uronce-cc","followers_url":"https://api.github.com/users/uronce-cc/followers","following_url":"https://api.github.com/users/uronce-cc/following{/other_user}","gists_url":"https://api.github.com/users/uronce-cc/gists{/gist_id}","starred_url":"https://api.github.com/users/uronce-cc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/uronce-cc/subscriptions","organizations_url":"https://api.github.com/users/uronce-cc/orgs","repos_url":"https://api.github.com/users/uronce-cc/repos","events_url":"https://api.github.com/users/uronce-cc/events{/privacy}","received_events_url":"https://api.github.com/users/uronce-cc/received_events","type":"User","site_admin":false},"body":"What about specifying \"select one StorageDir with maximum free space\"?","created_at":"2015-07-20T12:13:47Z","updated_at":"2015-07-20T12:13:47Z","html_url":"https://github.com/amplab/tachyon/pull/1044#discussion_r34988275","pull_request_url":"https://api.github.com/repos/amplab/tachyon/pulls/1044","_links":{"self":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/comments/34988275"},"html":{"href":"https://github.com/amplab/tachyon/pull/1044#discussion_r34988275"},"pull_request":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/1044"}}},"pull_request":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/1044","id":39258612,"html_url":"https://github.com/amplab/tachyon/pull/1044","diff_url":"https://github.com/amplab/tachyon/pull/1044.diff","patch_url":"https://github.com/amplab/tachyon/pull/1044.patch","issue_url":"https://api.github.com/repos/amplab/tachyon/issues/1044","number":1044,"state":"open","locked":false,"title":"[TACHYON-523] Implement PartialLRUEvictor","user":{"login":"Yours-shupeng","id":8843442,"avatar_url":"https://avatars.githubusercontent.com/u/8843442?v=3","gravatar_id":"","url":"https://api.github.com/users/Yours-shupeng","html_url":"https://github.com/Yours-shupeng","followers_url":"https://api.github.com/users/Yours-shupeng/followers","following_url":"https://api.github.com/users/Yours-shupeng/following{/other_user}","gists_url":"https://api.github.com/users/Yours-shupeng/gists{/gist_id}","starred_url":"https://api.github.com/users/Yours-shupeng/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Yours-shupeng/subscriptions","organizations_url":"https://api.github.com/users/Yours-shupeng/orgs","repos_url":"https://api.github.com/users/Yours-shupeng/repos","events_url":"https://api.github.com/users/Yours-shupeng/events{/privacy}","received_events_url":"https://api.github.com/users/Yours-shupeng/received_events","type":"User","site_admin":false},"body":"Reopen PR 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