[MINOR] Enable log compaction by default for MDT

[codope]

Change Logs

Enable log compaction on metadata table by default.

Impact

Will compact log blocks to produce another log file every 5 log blocks.

Risk level (write none, low medium or high below)

medium

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

Contributor's checklist

• Read through contributor's guide
• Change Logs and Impact were stated clearly
• Adequate tests were added if applicable
• CI passed

[danny0405]

-1 for the moment, let's not do this without enough production validations.

[codope]

Sure. That's why kept it in draft. Just wanted to check with this PR what all tests are failing.

[hudi-bot]

CI report:

• c1b4e49 Azure: FAILURE

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