Resolved Issues

Lists the issues that were resolved in HPE Ezmeral Data Fabric release 6.2.0.

The following issues, which were reported by customers, are resolved in release 6.2.0.

Control System Issues

MAPRDB-2287
The first letter of each field name was missing when viewing field permissions.
MON-1231
Pagination functionality was not working as expected when changes to the number of rows are made in pages other than page 1.
MON-1968
Unable to edit user email property in Volume User Disk Usage page.
MON-2018
The Add Field option was disabled on the Add Change Log page.
MON-2076
Removing the last stream topic from the Remove Topic window list caused the Remove Topic window to be closed, which was not the expected behaviour.
MON-2321
On the Service List page, the node pop-over did not display the list of nodes if Elasticsearch had failed.
MON-2374
The Node Details page did not display logs for nodes that have two IPs.
MON-2409
The Control System did not display any feedback about page loading when navigating from one cluster to another.
MON-3404
The Search field for a stream topic was not displayed properly on the Firefox browser (Firefox version 58).
MON-3438
Page response was slow between clicks on the Alarms page.
MON-3452
Volumes Set Quota action cleared the system volumes but kept their checkboxes selected.
MON-3476
Users with admin permission were not able to modify table ACLs.
MON-3709
The Service tab did not auto-refresh as per the refresh configuration settings.
MON-3817
The Topology view on the Nodes page did not refresh until one switched to another tab and back.
MON-3922
Volumes prior to MapR 6.0 that lack volume ACEs were not displayed after being upgraded to version 6.x.
MON-4701
Data was not returned for percentiles in the activity grid if the end time of the query was in the future.
MON-4776
Oops error was displayed when mounting/unmounting multiple volumes that were selected across volume grid pages.
MON-4845
Could not start the apiserver as a user other than the mapr user.
MON-4862
The Control System did not start after an upgrade to MapR 6.x if the installed license did not have table support enabled.
MON-4874

When the MAPR_EXTERNAL environment variable was set, the Control System was not accessible and returned the following error: HTTP ERROR 503.

MON-4892

The Snapshot tab on the Control System indicated that a license upgrade is needed after upgrading from MapR 5.2.1 to MapR 6.1 even with an M5 enterprise license (license permits all operations except tables/streams handling) already installed.

MON-5011
The Control System reported an incorrect value for CPU utilization when Drill queries were executed on the cluster.
MON-5057
Table properties could not be modified from the Control System due to insufficient permissions.
MON-5075
Was unable to modify existing volume quota using the Control System UI due to insufficient permissions.
MON-5116
Fixed multiple Control System issues pointed out by a customer.
MON-5139

Accessing the REST endpoints caused apiserver to freeze after a certain number of requests.

MON-5194
The CPU utilization graph on the Control System had an incorrect scale on the Y-axis.
MON-5201
The Control System failed to display Drill queries that were completed within the last 10 minutes.
MON-5401
The Control System crashed on one of the nodes.
MON-5275
The Control System failed to display MAC addresses on a multi-NIC environment.
MON-5412
The Control System failed to display the resourcemanager service under the MEP services list due to an unsupported shell command.
MON-5774

The apiserver crashed when tmp directories were mounted with the noexec flag.

MON-5488
An IO exception occurred when loading metadata of huge tables in the Control System.

HPE Ezmeral Data Fabric Database Issues

MAPRDB-1520
OR conditions on array field path in correlation tracker were not handled correctly.
MAPRDB-1985
Fixed a segmentation fault on the mapr dbshell utility.
MAPRDB-2062
Failed to scan table on a remote secure cluster using the mapr dbshell utility because of a wrong ticket that was sent to ZooKeeper.
MAPRDB-2092
Index addition fails if the write ACE of the table volume does not have the allow access permission for MAPR_USER.
MAPRDB-2096
Enhanced the performance of HPE Ezmeral Data Fabric Database for workloads with a large number of threads.
MAPRDB-2113
Fixed the database logic to select the index appropriate to the query being executed, when there are multiple indexes over the same field in a table.
MAPRDB-2125
OJAI APIs failed to connect to ZooKeeper after applying the 6.1-EBF patch.
MAPRDB-2156
When running queries with set timeout, the number of threads on the HPE Ezmeral Data Fabric client increased exponentially and caused the client to stop responding and become completely blocked.
MAPRDB-2201
Fixed a memory leak caused by a dangling reference of MetaTable in the BaseJson table.
MAPRDB-2250
Added a throttle for internal DB operations to prevent the cluster from becoming unstable.
MAPRDB-2303
Added actual replication lag to replication/index lag alarm
MAPRDB-2305
The table edit API is missing the securitypolicy field.
MAPRDB-2315
Spark queries failed with out of memory error.
MAPRDB-2322
Added the -showcol true option to column fields list. This helps the Control System show all column fields for a given table.
MAPRDB-2323
The VOLUME_ALARM_TABLE_REPL_ERROR alarm was missing the details of the actual bucket FID that produced the alarm, and the error code and description of the replication error.
MAPRDB-2328
mapr copytable failed with ENOENT during create of destination table, when source table has high number of tablets.
MAPRDB-2345
Tagging a column with security policies duplicated that column.
MAPRDB-2350
Fixed ACE permissions for MAPR_USER to allow CDC (Change Replica) to work.

Filesystem Issues

COLD-184
collectd process constantly crashed when using the latest collectd package.
CORE-387
HPE Ezmeral Data Fabric user ticket got overwritten when Kerberos authentication is enabled.
CORE-472
Fixed an issue where the disklist.sh script was slow on nodes with a high number of udev symlinks.
CORE-476
Fixed the empty MAPR_JMXAUTH value in the env_override.sh script that prevented NodeManager from starting on custom secure clusters.
CORE-480
When moving a node, the CLDB did not update the rackpath for volumes that have their localpath set.
CORE-566
Fixed hoststats crash.
CORE-579
rpm -U failed on HPE Ezmeral Data Fabric patches.
CORE-611
The maprcli disk list command reported incorrect Storage Pool (SP) information.
DFDEVOPS-1026
Hadoop commands failed on 6.2EBF with the mapr-patch-client package, in client-only node.
MFS-1984
The maprcli dashboard info command returned incorrect statistics about compressed and uncompressed data.
MFS-2019
The apiserver crashed intermittently when there were multiple networks in HPE Ezmeral Data Fabric subnets.
MFS-2055
CLDB crashed while processing alarms due to an error when opening one of the clearedAlarm tables in kvstore.
MFS-2079
All update operations for the main volume Name container failed due to incorrect disk permissions.
MFS-2143
Excluded audit data operations were not preserved on MFS restart.
MFS-2209
Fixed a Java exception in the getVolName() function.
MFS-2211
Primary container instance was frozen during resync of orphan entries.
MFS-2266

Remote wire-level secure Read RPC of unaligned compressed data failed.

MFS-2294
Fixed a CLDB exception that occurred when adding NFS version 4 nodes.
MFS-2306
Fixed a CLDB exception that occurred when nodes were removed.
MFS-2307
Added a cluster level flag to not offline SP when Read CRC error is encountered.
MFS-2392
gfsck failed on a secure cluster due to a missing jackson-core jar file.
MFS-2444
FUSE failed to remove shared memory segments when running on a Kubernetes cluster.
MFS-2462
Fixed DBworker thread crashes when looking up ACEs at the column level.
MFS-2553
Ecosystem jobs using ZooKeeper failed with the java.lang.NoSuchMethod error after applying the 6.1-EBF patch.
MFS-2608
Priorities of child processes were not in sync with that of the parent process when the priority of the parent process is changed with the renice Linux command.
MFS-2610
Fixed hangs with Persistent Volume Mounts when the HPE Ezmeral Data Fabric ticket expired.
MFS-2623
Resolved a CLDB deadlock between two threads in the ListSorterPurgeTask resource.
MFS-2631
Fixed CLDB shut down with ConcurrentModificationException when accessing Server.nfsIds.
MFS-2638
Store alarms sorted by alarm type in CLDB, to avoid sorting each time the maprcli alarm list -sortby alarmtype command is used.
MFS-2691
Optimized HashTable walk for enhanced performance when fetching Muted and RaisedAlarms.
MFS-2695
Cross cluster mirror failed with an Operation not Supported error after enabling the snapshot lite feature.
MFS-2700
The FUSE kernel sent the wrong credentials to the HPE Ezmeral Data Fabric FUSE Process.
MFS-2711
Freed up CLDB CPU from background activity. Now expired snapshots are removed only after the cluster is stable.
MFS-2720
Added a maprcli dump command to print in-progress container replication.
MFS-2732
RPC connections between MFS and CLDB were failing.
MFS-2757
HPE Ezmeral Data Fabric services displayed incorrect services when systemd was updated.
MFS-2767
FileClient retried the same CLDB node on failure.
MFS-2968
Inactive alarms returned an incorrect alarm value.
MFS-3291
The number of flusher threads for HPE Ezmeral Data Fabric Streams was not configurable. The default value of 64 threads was insufficient.
MFS-4480
Fixed intermittent NFS version 4 server crashes.
MFS-4531
Mirror source snapshots were not deleted after mirroring completed.
MFS-4532
Jobs failed with IO error as MFS processes could not establish connections with each other, resulting in data remaining under-replicated for long periods of time until manual intervention was done.
MFS-4597
Dependent services failed to start on a Warden restart.
MFS-4562
The stat command on FUSE mounted files reported an incorrect IO block size.
MFS-4576
Added log rotation support for the hoststats.err file.
MFS-4605
CLDB crashed when ACLs larger than 2K bytes were set.
MFS-4670
The CLDB process consumed massive amounts of memory at periodic intervals and caused CLDB to fail.
MFS-4752
Fixed assert in RpcBinding::GetCredentials.
MFS-4776
FUSE RPCs failed when a node's hostid is changed.
MFS-4805
Implemented a memory tracker for the NFS version 3 server.
MFS-5226
Tiered volume metadata path is trimmed down to 64 characters in the mastgateway.log file.
MFS-5356
The getAces() method returned a Null Pointer Exception when called on a non-existent object.
MFS-5390
Added the filefilter feature to support blocking of certain file extensions.
MFS-5422
The create() method was creating files with the wrong permissions.
MFS-5430
NFS server could not parse export files with line lengths greater than 8192 characters.
MFS-5482
Fixed memory leak in CLDB.
MFS-5488
Fixed intermittent failing of FileClient.
MFS-5502
PathWalk error occurred when a client node is upgraded but CLDB is of an older version.
MFS-5710
Added log rotation for the mfs.err and the mfs.out log files to avoid filling local OS partition.
MFS-5724

The MFS configuration parameter mfs.max.restore.count was not being honored causing mirror resync operations to be delayed due to the lack of sufficient restore slots.

MFS-5732
Change the severity of log messages so as to not unduly alarm customers.
MFS-6666
Implement a throttle to prevent the NFS server from overwhelming CLDB with too many RPCs.
MFS-6717
Added lazy unmount option to allow NFS mounts to be unmounted when they are not busy.
MFS-6748
Automatic Offload failed for EC Volumes.
MFS-6785
The mrconfig info containers rw command was too slow to respond on a cluster with a large number of volumes.
MFS-6873
File operations across clusters failed when using FUSE.
MFS-7126
The maprcli disk remove command timed out on a cluster with a large number of volumes.
MFS-8454

Volume creation failed with the error: Could not get status of mount path.

MFS-8459

Fixed volume access problems for volumes that reused the volume ID of deleted volumes.

MFS-8475
The createsystemvolumes.sh script took hours to complete when adding a new node to a cluster with a large number of volumes.
MFS-8482
Tiering tasks are left orphaned when the cluster is in a semi-upgraded state.
MFS-10328
The maprlogin renew command failed to refresh updated group membership details.
MFS-10360
Multiple MFS instances are being reset to 1 when CLDB is restarted.
MFS-10813
MASTGateway core crashes when gfsck is triggered on a tiered EC volume with more than one parity nodes down.
MFS-10845
The maprcli volume create command does not honor the impersonated user while creating the parent directory.
MFS-11109
Core dumps were generated frequently due to a memory leak issue.
MFS-11221
Fixed Drill query crashes.
MFS-11295
Offloading fails as MASTGateway is stuck in the compaction phase.
MFS-11322
MASTGateway truncates gateway IDs from the hostid file and passes the truncated gateway IDs to CLDB.
MFS-11431
NFS v4 server crashes when running the connectathon lock test.
MFS-11460
The VOLUME_ALARM_COMPACTION_FAILURE alarm is repeatedly raised.
MFS-11558
The system should throw an error when a volume topology is changed to an empty topology.
MFS-11609
With an EBF patch, Hadoop distcp jobs failing when using CLDB hostname and port.
MFS-11618
HPE Ezmeral Data Fabric does not return the correct file status if the file path is relative.
MFS-11619
Global policy slave should periodically refresh policies since they may come as part of mirroring.
MFS-11621
RDMA should be disabled when the MAPR_RDMA_SUPPORT is set to false.
MFS-11647
SlowOpsTrace (Tracing Slow Operations) does not function.
MFS-11649
Add MAPR_EXTERNAL support for Loopbacknfs.
MFS-11674
Enable gfsck to check CRC without blocking operations on the frontend volume.
MFS-11682
CLDB volume dump fails due to an unknown session key.
MFS-11760
Fixed auto offload of EC volumes being restarted repeatedly.
MFS-11729
mrconfig info threads crashes MFS when hardlinks feature is not enabled.
MFS-11731
Avoid NFS process has Incorrect BuildVersion alarms if they are redundant.
MFS-11761
gfsck -D is unable to report fid corruption.
MFS-11765
Fixed MASTGateway memory crashes.
MFS-11774
Offloads fail after a gfsck run.
MFS-11779
Fixed a MFS crash due to stack overflow.
MFS-11808
Added a command to check the MASTGateway balancer status.
MFS-11809
Added a configuration parameter to set the number of volumes to balance at a time, rather than a default of 5 volumes.
MFS-11823
The maprlogin renew command fails to honor ticket duration value.
MFS-11835
Fixed hangs in POSIX client when connections timeout after being inactive.
MFS-11838
Jobs fail with the Too many open files error.
MFS-11855
MASTGateway balancing does not start as the delete operation on volumes hangs.
MFS-11858
HPE Ezmeral Data Fabric needs to support n+n EC schemes.
MFS-11861
Volume jobs are not automatically restarted when MASTGateway balancing aborts.
MFS-11886
NFSv4 fails to mount when cldb.reject.root is enabled.
MFS-11888
On SLES 15, the NODE_ALARM_CORE_PRESENT alarm is raised even when /opt/cores is empty.
MFS-11901
The Container Storage Interface (CSI) caches connections to CLDB and does not refresh them.
MFS-11902
Fixed the configure.sh script to work on SLES 15.
MFS-11942
Fixed an error in hoststats service due to AST timezone that is not resolvable to a name using standard date functions.
MFS-11947
Rename operation fails when the directory being renamed is a symlink and the operation is the first after the filesystem has been initialized.
MFS-11959
Fixed CLDB crash when a large number of virtusl IPs (VIPs) are added to NFS server nodes.
MFS-11968
CLDB does not audit the tier lookup operation.

HPE Ezmeral Data Fabric Hadoop Issues

MAPRHADOOP-102
Fixed an error that occurred when copying ACES from the MapR-FS to the local FS.

Installer Issues

MFS-11670
Installer hangs when finalizing the cluster.

Security

MON-5041
Added a security mechanism to prevent Cross Site Request Forgery (CSRF) attacks on the Control System.
COMECURE-152
Updated the Apache Commons Beanutils package to fix a security vulnerability (CVE-2019-10086).
COMSECURE-196
Updated Jetty packages with security fixes.
COMSECURE-325
Remove misleading information message "No CLDB key found on host" for KMIP configuration.
COMSECURE-331
Fixed security vulnerabilities in the /opt/mapr/lib/c3p0-0.9.1.2.jar file (CVE-2018-20433).
COMSECURE-334
Fixed a dom4j vulnerability (CVE-2018-1000632).
CORE-290
Fixed permissions on files and directories in the /opt/mapr directory.
CORE-293
The mapr-zookeeper and mapr-warden processes were not properly started with systemd when the OS security updates were installed.
CORE-555
Updated the XercesImpl dependency to fix a security vulnerability (CVE-2012-0881).
MFS-2551
Fixed a Local Privilege Escalation vulnerability in maprexecute.
MFS-2554
Fixed a vulnerability where the cldbautdit.log file stored the ldap.bindpassword in cleartext.
MFS-2708
Disk failure related log files were world writable causing a potential security vulnerability.
MFS-3310
Added alert to warn customers about expiring SSL certificates.
MFS-5236
Fixed a Remote Code Execution vulnerability in the Warden Java JMX server.
MFS-5235
Fixed a Remote Code Execution vulnerability in the Gateway Java JMX server.
MFS-5234
Fixed a Remote Code Execution vulnerability in the CLDB Java JMX server.
MFS-5229
Fixed a Remote Code Execution vulnerability in the MAST Gateway Java JMX server.

HPE Ezmeral Data Fabric Streams Issues

MS-811
Segmentation fault occurred when deleting topics from monitoring streams.

Upgrade Issues

ES-58
Upgrading to MEP 6.0 on MapR 6.1.0 from MapR 5.2.1 with MEP 3.0.3 broke Elasticsearch and FluentD.
MS-925
Upgrading to MEP 6.2 (Spark 2.4.0) broke consumption of Kafka / HPE Ezmeral Data Fabric Streams.
MFS-2469
CLDB secondary node was stuck in BECOMING_SLAVE mode during rolling upgrade from MapR 5.2.2 to MapR 6.1.0.
MFS-2561
Increased the value of the cldb.datacontainer.block.updates.max.sec parameter to avoid overwhelming the cluster with the VOLUME_ALARM_DATA_UNDER_REPLICATED alarm after upgrade from MapR version 3.0.1.

HPE Ezmeral Data Fabric YARN Issues

MAPRYARN-161
The History server deletion thread stopped once it found an invalid application directory.