Known Issues in ArangoDB 3.3

This page lists important issues affecting the 3.3.x versions of the ArangoDB suite of products. It is not a list of all open issues.

Critical issues (ArangoDB Technical & Security Alerts) are also found at

Date Added: 2018-12-04
Component: arangod
Deployment Mode: All
Description: Parallel creation of collections using multiple client connections with the same database user may spuriously fail with “Could not update user due to conflict” warnings when setting user permissions on the new collections. A follow-up effect of this may be that access to the just-created collection is denied.
Affected Versions: 3.3.x (all)
Fixed in Versions: -
Reference: arangodb/arangodb#5342
Date Added: 2018-11-30
Component: arangod
Deployment Mode: All
Description: Wrong suggestion printed in the log on how to optimize an OS setting, if followed, could cause ArangoDB to run into problems as the number of memory mappings will keep growing
Affected Versions: 3.3.0 to 3.3.19
Fixed in Versions: 3.3.20
Date Added: 2018-11-16
Component: Backup/Restore
Deployment Mode: All
Description: Users not included in the backup if --server.authentication = true
Affected Versions: 3.3.0 to 3.3.13
Fixed in Versions: 3.3.14
Date Added: 2018-11-03
Component: Security
Deployment Mode: All
Description: Unauthorized access to ArangoDB when using LDAP authentication
Affected Versions: 3.3.0 to 3.3.18
Fixed in Versions: 3.3.19
Date Added: 2018-04-09
Component: Storage
Deployment Mode: Single Instance
Description: Data corruption could happen under Linux
Affected Versions: 3.3.0
Fixed in Versions: 3.3.1
Date Added: 2019-02-18
Component: arangod
Deployment Mode: All
Description: There is a clock overflow bug within Facebook’s RocksDB storage engine for Windows. The problem manifests under heavy write loads, including long imports. The Windows server will suddenly block all writes for minutes or hours, then begin working again just fine. An immediate workaround is to change the server configuration:
throttle = false
Affected Versions: all 3.x versions (Windows only)
Fixed in Versions: 3.3.23, 3.4.4
Reference: facebook/rocksdb#4983
Date Added: 2019-07-04
Component: Config file parsing
Deployment Mode: All
Description: Config file parser may produce unexpected values for settings that contain comments and a unit modifier.
Affected Versions: 3.x
Fixed in Versions: 3.3.24, 3.4.7
Reference: arangodb/arangodb#9404