MongoDB Storage (aka "MongoMK") and RDBMK:
Revision GC:
12.09.2015 00:00:00.857 *INFO* [pool-7-thread-10] org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector Starting revision garbage collection. Revisions older than [2015-09-11 00:00:00.857] would be removed
13.09.2015 00:00:15.912 *INFO* [pool-7-thread-9] org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector Iterated through 10000 documents so far. 9698 found to be deleted
14.09.2015 00:00:49.358 *INFO* [pool-7-thread-12] org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector Deleted 859050 (58.28%) documents so far
12.09.2015 00:39:43.490 *INFO* [pool-7-thread-10] org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector Version garbage collected in 39.71 min. VersionGCStats{ignoredGCDueToCheckPoint=false, deletedDocGCCount=180021, splitDocGCCount=4853, intermediateSplitDocGCCount=441, timeToCollectDeletedDocs=14.62 min, timeTakenToDeleteDocs=23.52 min}
Blob GC:
12.09.2015 01:00:00.511 *INFO* [pool-7-thread-18] org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector Starting Blob garbage collection
12.09.2015 01:15:07.934 *INFO* [pool-7-thread-18] org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector Number of valid blob references marked under mark phase of Blob garbage collection [2128500]
12.09.2015 01:15:48.287 *INFO* [pool-7-thread-18] org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector Blob garbage collection completed in 15.80 min. Number of blobs identified for deletion [162862] (This includes blobs newer than configured interval [86400000] which are ignored for deletion)
Tar Storage (aka "TarMK") Online Compaction
15.10.2015 02:00:00.032 INFO [TarMK compaction thread [/adobe/AEM/publisher/crx-quickstart/repository/segmentstore], active since Thu Oct 15 02:00:00 EDT 2015, previous max duration 732967ms] org.apache.jackrabbit.oak.plugins.segment.file.FileStore TarMK compaction started
15.10.2015 02:13:42.377 INFO [TarMK flush thread [/adobe/AEM/publisher/crx-quickstart/repository/segmentstore], active since Thu Oct 15 02:13:42 EDT 2015, previous max duration 64543ms] org.apache.jackrabbit.oak.plugins.segment.file.FileStore TarMK revision cleanup started. Current repository size 372.7 GB
15.10.2015 02:13:48.045 INFO [TarMK flush thread [/adobe/AEM/publisher/crx-quickstart/repository/segmentstore], active since Thu Oct 15 02:13:42 EDT 2015, previous max duration 64543ms] org.apache.jackrabbit.oak.plugins.segment.file.FileStore TarMK revision cleanup reclaiming data04214a.tar
15.10.2015 02:14:45.857 INFO [TarMK flush thread [/adobe/AEM/publisher/crx-quickstart/repository/segmentstore], active since Thu Oct 15 02:13:42 EDT 2015, previous max duration 64543ms] org.apache.jackrabbit.oak.plugins.segment.file.FileStore TarMK revision cleanup completed in 1.058 min. Post cleanup size is 372.7 GB and space reclaimed 25.1 kB
Reindexing async index Oak 1.0.x:
12.11.2015 17:36:50.136 *INFO* [pool-9-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Found a new index node [pageIndex]. Reindexing would be requested
12.11.2015 17:36:50.153 *INFO* [pool-9-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing would be performed for following indexes [/oak:index/pageIndex]
12.11.2015 17:37:00.617 *INFO* [pool-9-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #10000 /content/dam/img.png
12.11.2015 17:37:13.826 *INFO* [pool-9-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #20000 /content/dam/site/img2.jpg
12.11.2015 18:37:00.617 *INFO* [pool-9-thread-3] org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate Reindexing completed for indexes: [/oak:index/pageIndex] in 1 h
Reindexing async index Oak 1.2.x:
27.01.2017 18:08:19.134 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing will be performed for following indexes: [/oak:index/workflowDataLucene]
27.01.2017 18:08:19.399 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #10000 /jcr:system/jcr:versionStorage/c8/86
27.01.2017 18:08:19.452 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #20000 /jcr:system/jcr:versionStorage/9d/72
27.01.2017 18:08:19.470 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #30000 /jcr:system/jcr:versionStorage/06/49
27.01.2017 18:08:19.482 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #40000 /jcr:system/jcr:versionStorage/20/36
27.01.2017 18:08:19.493 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #50000 /jcr:system/jcr:versionStorage/bb/92
27.01.2017 18:08:19.508 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #60000 /jcr:system/jcr:versionStorage/5e/42
27.01.2017 18:08:19.520 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #70000 /jcr:system/jcr:versionStorage/70/5b
27.01.2017 18:08:19.560 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #80000 /etc/designs/geometrixx-gov/clientlibs/base/images/more-arrow.png
27.01.2017 18:08:19.625 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #90000 /etc/dam/presets/css/html5_mixedmediaviewer_light.css/jcr:content/renditions/original
27.01.2017 18:08:19.695 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #100000 /content/geometrixx-outdoors/en/company/the-team/jcr:content/par/textimage_97a5/image/file
27.01.2017 18:08:19.735 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #110000 /content/dam/geometrixx-outdoors/social/Avatar_6.jpg/jcr:content/activity/admin_1320685288229
27.01.2017 18:08:19.803 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #120000 /libs/foundation/components/slideshow/cq:dialog/content/items/advanced/items/column/items/size/width
27.01.2017 18:08:19.846 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #130000 /libs/cq/ui/widgets/source/undo/util
27.01.2017 18:08:19.884 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #140000 /libs/fd/fm/gui/components/admin/deleteasset/clientlibs/deleteasset/js
27.01.2017 18:08:19.917 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #150000 /libs/social/personalization/contextstores/twitter/twitterprofiledata/clientlib/ui/themes/default/css.txt/jcr:content
27.01.2017 18:08:19.951 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #160000 /libs/dam/gui/components/s7dam/metadataprofiles/formselector/removefromfolder/clientlibs/removefromfolder/js
27.01.2017 18:08:19.987 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #170000 /libs/wcm/core/resources/languages/pt
27.01.2017 18:08:20.034 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Reindexing Traversed #180000 /var/audit/com.day.cq.dam/content/dam/projects/media/rep:policy/allow6
27.01.2017 18:08:20.705 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.IndexUpdate Indexing report
- /oak:index/workflowDataLucene*(288)
27.01.2017 18:08:20.706 *INFO* [pool-7-thread-1] org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate Reindexing (async) completed for indexes: [/oak:index/workflowDataLucene*(288)] in 1.580 s