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DOCSP-43570-mongosync-1.9.0 (#470)
* DOCSP-43570-mongosync-1.9.0 * remove in-dev * JC feedback * * * * * external feedback * *
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source/index.txt

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.. default-domain:: mongodb
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.. include:: /includes/in-dev.rst
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{+c2c-product-name+} provides continuous data synchronization or a
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one-time data migration between MongoDB clusters. You can enable
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{+c2c-product-name+} with the :ref:`mongosync <c2c-mongosync>` utility.

source/reference/limitations.txt

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- ``mongosync`` only supports clusters that use the :ref:`WiredTiger
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<storage-wiredtiger>` storage engine.
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- You can't sync a collection with any documents that have an empty timestamp,
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such as ``Timestamp(0,0)``.
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such as ``Timestamp(0,0)`` on pre-6.0 source clusters.
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MongoDB Community Edition
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-------------------------

source/release-notes/1.9.txt

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:depth: 2
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:class: singlecol
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.. include:: /includes/in-dev.rst
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.. _1.9.0-c2c-release-notes:
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This page describes changes and new features introduced in
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{+c2c-full-product-name+} 1.9 and the {+c2c-full-beta-program+}.
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1.9.0 Release
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-------------
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**Upcoming**
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Other Notes
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~~~~~~~~~~~
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New Features:
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- ``mongosync`` now supports migrating documents that have an empty timestamp
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values, such as Timestamp(0,0) for source clusters using MongoDB version 6.0
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or later.
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- Added a ``stdin`` disclaimer to the ``mongosync`` executable regarding
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verification. Users must to accept this disclaimer before ``mongosync``
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can run.
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- Added ``--acceptDisclaimer`` flag for users that have previously read the
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disclaimer to bypass it.
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- Added a memory check in the ``/start`` endpoint for enabling verification.
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Verification requires 10 GB of base memory and 0.5 GB per 1 million documents.
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Optimizations:
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- Increased internal timeout to reduce the occurrence of timeout failures during
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initialization
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Minimum Supported Version
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-------------------------
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In 1.9.0, the minimum supported versions of MongoDB are 6.0.16 and 7.0.9.
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In 1.9.0, the minimum supported versions of MongoDB are 6.0.17 and 7.0.13.
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.. include:: /includes/migration-upgrade-recommendation.rst

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