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の追う
と 的仕事
• 上加世田 暁
•
•
•
の と工夫
における 的活動
• クラウド型のデータマネージメントサービス
• 多種大量のデータをそのまま即時に収集
• 様々な利用者及び外部システムへ容易に連携可能
• お客様はデータ解析とそれを基にした施策自体に
フォーカス出来る
• を利用したデジタルマーケティング
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• お客様からのお問い合わせサポート
– サポートポータル
– メール
– オンラインチャット
–
↓↓↓↓
– フリーフォーマット
の と工夫
•
•
•
の と工夫
• リージョンで 時間を網羅
• 週末・祝日は緊急度の高いものはアラート受信
の と工夫
• 調査方法の標準化
• 効率の良いエスカレーション
• 調査・対応方法の引き継ぎ
• コンポーネント毎の分析
• 基本的に受動的な数値になる
– 問い合わせ数や解決率などはお客様次第
• 改善との矛盾
– プロダクトをより良くして、問い合わせを減らす サポートの仕事が減る!?
• 重み付けができない
– チケット内容の重みが数値化しづらい
• サポート効果が評価できない
– サポートによるプロダクト的、ビジネス的効果が数値化、具体化できていない
の と工夫
における 的活動
つまり?
• これまでの には無い役職
• よりお客様側に入り込んだ技術支援を行って、 を効率よく使って頂く補助をすること
( )とは?
• の提唱している役職
• お客様と運用において運命共同体となり、 に委ねている重要なアプリケーションに対するお客様の権
限を高め、金銭的なものより意義のある運命を共有する
• はお客様の基幹アプリケーションにおける主要な要素を、コードからデザイン、実装、運用手順に至るま
で綿密に調査します
における 的活動
テクニカルサポートがやっている 的な仕事は?
• ( )
• クエリチューニング
• インポートデータのマネジメントアドバイス
における 的活動
( )
• の管理
• バッチ・ワークフローの理解・監視
• コンポーネントの管理・運用
• インシデント・疑問・懸念の報告・解消
• プロダクトロードマップの共有
• 技術トレーニング
• 定例
における 的活動
クエリチューニング
• クエリパフォーマンスという観点では監視していない
• お問い合わせベースでチューニングのお手伝いをする
• の手伝いは全体問い合わせの 約 %
における 的活動
における 的活動
事例:
• クラスタ全体で高負荷の傾向が見られた
• 原因:特定パーティションへの の増大
↓↓↓
• 行を超える
• 似たような条件の を繰り返し行い、 し、 する
• さらに少し異なる内容の を同様に繰り返す
• 最終的に全体を する
• 毎月条件の月部分を変更された が追加される
• 同系統だが内容の異なる が複数ある
チューニング:
• 非効率な定義の削除
• 繰り返される を1つに集約
• フルスキャン回数の削減
• 月が変わる毎の編集箇所の最小化
における 的活動
結果:
• :約 行 約 行
• フルスキャン回数: 回 回
• 実行時間: 分強 分弱
• 月毎の編集箇所:複数 文 条件のみ
インポートデータのマネジメントアドバイス
• 要件次第で様々な形式のソースデータになる
• ソースデータ自体に手が入れにくい場合がある
• テーブルへインポートする方法がいくつかある
• インポート後に使いやすい形がゴールである
における 的活動
における 的活動
事例:
• 数十 〜数百 の レコード
• 配列の中に更に レコード
• 配列中の を行化希望
• 運用の半自動化希望
解決策:
• ソースデータは へ配置
• にて カラムとして へ取り込み
• 上でクエリで を展開
• ワークフローで管理
における 的活動
谢谢

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Treasure Data Technical Supportの追うKPIとCRE的仕事