phoenix-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From karanmehta93 <...@git.apache.org>
Subject [GitHub] phoenix pull request #425: PHOENIX-5069 please go to JIRA to see the detaile...
Date Tue, 08 Jan 2019 01:19:29 GMT
Github user karanmehta93 commented on a diff in the pull request:

    https://github.com/apache/phoenix/pull/425#discussion_r245852009
  
    --- Diff: phoenix-core/src/main/java/org/apache/phoenix/query/PhoenixStatsLoader.java
---
    @@ -0,0 +1,47 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + * http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +package org.apache.phoenix.query;
    +
    +import org.apache.phoenix.schema.stats.GuidePostsInfo;
    +import org.apache.phoenix.schema.stats.GuidePostsKey;
    +
    +/**
    + * The interface for talking to underneath layers to load stats from stats table for
a given key
    + */
    +public interface PhoenixStatsLoader {
    +    /**
    +     * Use to check whether this is the time to load stats from stats table.
    +     * There are two cases:
    +     * a. After a specified duration has passed
    +     * b. The stats on server side (e.g. in stats table) has been updated
    +     *
    +     * @return boolean indicates whether we need to load stats or not
    +     */
    +    boolean needsLoad();
    +
    +    /**
    +     * Called by ring buffer event handler to write RingBufferEvent
    --- End diff --
    
    Is this relevant?


---

Mime
View raw message