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--- kb:bigdata:file_types [2018/11/21 14:52] – [Parquet] yehuda
+++ kb:bigdata:file_types [2022/01/03 16:03] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
 [[https://www.youtube.com/watch?v=_0Wpwj_gvzg|Spark + Parquet In Depth]]
+[[https://www.youtube.com/watch?v=2vOfh064uUM|File Format Benchmark Avro JSON ORC and Parquet]]
+[[https://www.youtube.com/watch?v=aIcxFIyL6xo|Berlin buzzwords18: Owen O'Malley – Fast Access To Your Complex Data - Avro, JSON, ORC, and Parquet]]
 ===== Parquet =====
@@ Line 10: / Line 12: @@
   * Binary format
   * Encoded & Compressed
-  *
+  * Support schema evolution - Format supports
 Limitation:
   * Pushdown filters dont works on String / Binary ([[https://www.youtube.com/watch?v=_0Wpwj_gvzg|source]])
@@ Line 21: / Line 23: @@
     * Write mode append, that added embedded schema
-==== vs ORC ====
+=== vs ORC ===
   * indexed
   * dont handles nested data

kb/bigdata/file_types.1542811925.txt.gz · Last modified: 2022/01/03 16:03 (external edit)

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