Billie J Rinaldi
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[ACCUMULO-4777] Root tablet got spammed with 1.8 million log entries
...We had a tserver that was handling accumulo.metadata tablets that somehow got into a loop where it created over 22K empty wal logs. There were around 70 metadata tablets and this resul...
, 2018-01-23, 22:02
[ACCUMULO-4783] WAL writes should handle IOExceptions vs other exceptions differently
...The writing of WALs in the TabletServerLogger currently does not distinguish between IOExceptions and other exceptions when backing off and retrying. I believe IOExceptions can be handled b...
, 2018-01-16, 16:37
[ACCUMULO-4749] Need a bulk loading test equivalent to continuous ingest
...There are some known cases at least in past versions where bulk loading may fail leaving the ~blip in place but no transaction left to handle it. This will result in directories of fil...
, 2018-01-02, 21:06
[ACCUMULO-4748] Verification of continuous ingest with aggitation should check for orphaned files
...We have found instances where files are being orphaned but we have not as of writing this ticket figured out why. We should however expand the continuous ingest verification to check f...
, 2017-12-01, 16:39
[ACCUMULO-4715] Accumulo upgrade path fails from 1.6 to 1.7/1.8 if PerTableVolumeChooser or PreferredTableVolumeChooser is the default
...The createReplicationTable method in the MetadataTableUtil used to create the replication table when upgrading from 1.6 and calls the default volume chooser to get a location. The prob...
, 2017-10-04, 15:08
[ACCUMULO-4686] 1.8 upgrade path does not update version on multiple volumes
...The upgrade path from 1.6+ to 1.8 does not update the version across all volumes in a multi-hdfs-volume cluster. Only one of them gets updated and subsequently all of the tservers will...
, 2017-09-06, 22:52
[ACCUMULO-4690] Observable configurations
...Currently only the table and namespace configurations are observable (implement ObservableConfiguration). In order to appropriately deal with system/site configuration changes one need...
, 2017-08-02, 18:30
[ACCUMULO-4691] HostRegexBalancer not reacting to configuration changes
...The HostRegexTableBalancer does not react to changes in the system properties. It listens to the TableConfiguration for changes, but no the base accumulo properties....
, 2017-08-02, 18:30
[ACCUMULO-4655] monitor should show response time in addition to last contact
...The monitor has a column for last contact. Sometimes that is due to a tserver not responding. If we show the response time for a tserver to return its status, then we would have ...
, 2017-07-27, 03:49
[ACCUMULO-4667] LocalityGroupIterator very inefficient with large locality groups
...On one of our systems we tracked some scans that were taking an extremely long time to complete (many hours). As it turns out the scan was relatively simple in that it was scanning a t...
, 2017-07-23, 19:26
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