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Posted to oak-issues@jackrabbit.apache.org by "Alex Parvulescu (JIRA)" <ji...@apache.org> on 2016/06/02 08:39:59 UTC
[jira] [Comment Edited] (OAK-4260) Define and implement migration
from oak-segment to oak-segment-tar
[ https://issues.apache.org/jira/browse/OAK-4260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15311939#comment-15311939 ]
Alex Parvulescu edited comment on OAK-4260 at 6/2/16 8:39 AM:
--------------------------------------------------------------
poked around with this today, and with Tomek's help I got it working. noticed 2 things so far:
* first, the upgrade will assume that the store is located in the 'segmentstore' folder (ie. {{crx-quickstart/repository/segmentstore}}) under the location provided as the upgrade source.
* second, checkpoints! upgrade provides no checkpoints node, and keeps no checkpoint meta under {{:async}}. Not sure if this was discussed already of not, but I see no real reason not to migrate checkpoints, to potentially save a full reindex operation.
Created OAK-4420 to clarify the checkpoints. [~tomek.rekawek] pointed me to OAK-2869 but this is a different concern (segment -> segment-tar) and it doesn't change anything on that scenario (segment -> mongo).
was (Author: alex.parvulescu):
poked around with this today, and with Tomek's help I got it working. noticed 2 things so far:
* first, the upgrade will assume that the store is located in the 'segmentstore' folder (ie. {{crx-quickstart/repository/segmentstore}}) under the location provided as the upgrade source.
* second, checkpoints! upgrade provides no checkpoints node, and keeps no checkpoint meta under {{:async}}. Not sure if this was discussed already of not, but I see no real reason not to migrate checkpoints, to potentially save a full reindex operation.
> Define and implement migration from oak-segment to oak-segment-tar
> ------------------------------------------------------------------
>
> Key: OAK-4260
> URL: https://issues.apache.org/jira/browse/OAK-4260
> Project: Jackrabbit Oak
> Issue Type: Task
> Components: segment-tar, segmentmk, upgrade
> Reporter: Michael Dürig
> Assignee: Tomek Rękawek
> Labels: migration
> Fix For: 1.6
>
>
> We need to come up with a plan, implementation and documentation for how we deal with migrating from {{oak-segment}} to {{oak-segment-next}}.
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