James Taylor created PHOENIX-2440:
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Summary: Document transactional behavior
Key: PHOENIX-2440
URL: https://issues.apache.org/jira/browse/PHOENIX-2440
Project: Phoenix
Issue Type: Sub-task
Reporter: James Taylor
Assignee: Thomas D'Silva
We need to add a new top level page to explain transactions and their behavior
from the user point of view:
- How to configure a new/existing table to be transactional (CREATE TABLE and
ALTER TABLE ... TRANSACTIONAL=true). Also that it's currently a one-way street
- you cannot make a transactional table non transactional (PHOENIX-2439).
- Transaction implicitly started when first statement run against a
transactional table
- Indexes on transactional table are transactional with data table.
- Exception raised if transaction committed that conflicts (at row level) with
other committed transaction.
- REPEATABLE_READ: Queries do not see commits of other transactions until
transaction is ended (rolled back or committed).
- Transaction will see their own updates (read-your-own-write behavior).
- Requires that transaction manager is started (and how to start it).
- Various configuration options specific to transactions
- Invalid list - how it can potentially grow and how to manually clear it if
necessary.
- Unsupported behavior: for example, certain TTL behavior, no SCN.
We also need to adjust existing web pages that currently says we don't support
full ACID and promote this new capability.
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