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Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
Vertica loading best practices
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Vertica loading best practices

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Presentation i gave to developers . …

Presentation i gave to developers .
Basic rules on what to do and what not to do.

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  1. VerticaZvika GutkinDB ExpertZvika.gutkin@gmail.com
  2. Loading – Best practices
  3. Loading – Best practices
  4. Loading – Best practices
  5. Loading – Best practices
  6. Loading – Best practices
  7. Loading – Best practices• Avoid using update & delete – Can Only be serial transaction – Update in Vertica is delete + insert .• Do not load more than 50 files per load. – Vertica Limitation.• Use copy direct for large inserts – Will bypass the WOS.• Use INSERT /*+DIRECT*/ • Will bypass the WOS.
  8. Loading – Best practices• COPY FROM STDIN pipes from STDIN zcat table_a.gzip | vsql –c “COPY table_a from STDIN DIRECT;”• Use Vertica ability to load from gzip files.• Use Parallel load – multiple separate COPY commands that load different files from different nodes. – Issue a single multi-node COPY command **
  9. Loading – Best practices• Do not use Vertica map reducer plugin• Do not use fuse• Use Liveperson’s generic loading infrastructure.
  10. Questions
  11. Thank You

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