Change Log

This page will document all the changes to TigerGraph product including New Features and Bug Fixes.

Distributed Graph support and certain other enterprise-level features are available in the Enterprise Edition only. They do not pertain to the Developer Edition.

Documentation Changes

TigerGraph 3.0.6

Release Date: 2020-11-11

Enhancements

Database Server

  • Audit Logging Enhancements

    • User information for all requests.

    • Request Status (request succeeded or failed) for all requests irrespective of access mode

  • Remove Hard timeout limit for Backup/Restore operations

Fixed

Database Server

  • Platform: Resolve the issues where Kafka start-up will hang in certain OS and shell environment.

  • Platform: Backup/Restore hangs if there are too many files

  • Platform: Backup/Restore list error when backup files on S3 are corrupted

  • Engine: Builtin query running background blocks schema change

  • GSQL: Fix for SSL certificate exception

TigerGraph 2.6.4

Release Date: 2020-11-02

Enhancements

Database Server

  • Allow RESTPP to manage log files based on timestamp

  • Upgrade NGINX to 1.18 version

  • Correct status code to indicate GSQL operation result

  • Remove Hard timeout limit for Backup/Restore operations

  • Token Management Improvements:

    • Improve GSQL stability by setting a limit on number of tokens allowed

    • Logging improvement to indicate new and refreshed tokens separately

Fixed

Database Server

  • Core: GSE follower replicas lag leader replica on the data updates

  • Core: Shuffle abort causing GPE crash

  • Core: Handle un-released lock gracefully during json print command failure

  • Core: Incremental Snapshot triggers creation of all segments causing delays

  • Core: Kafka loading fails when number of loaders exceed 10

  • GSQL: Query Install fails for batch installs

  • Backup/Restore hangs if there are too many files

TigerGraph 3.0.5

Release Date: 2020-09-05

Features

New features and described in 3.0.5 Release notes.

Enhancements

Database Server

  • Longer timeout for retrieving enum maps when using STRING COMPRESS

  • Socket timeout adjustment to improve RESTPP stability

  • Implement SetAccum<vertex> as bitset

  • Semantic check for println of File object for compiled query

  • Installer improvements

    • Enhancement to change the user and group separately.

    • Check permission of parent dir of App/Temp/Data/Log Roots

  • TigerGraph 2.x to 3.x Migration tool enhancements

    • Support for copying UDFs and other functions during migration

  • Enhanced license support for Cloud deployments

  • Enhanced upgrade version checking

  • Zookeeper client connection retry mechanism to avoid Zookeeper operation failures

Changes

Installer Configuration JSON format

  • Install Configuration is separated into basic configuration and advanced configuration sections

  • Support for allowing replication factor to be set during installation as opposed to limited HA on/off setting previously

Fixed

Database Server

  • Core: GPE down during Backup for large number of files

  • Core: GPE will crash if the data comes from a machine without relevant metadata.

  • Core: Query failure due to string overflow

  • Core: Query with large UDF job didn't stop for configured time out setting

  • Platform: Kafka loading bug when number of loaders exceeds 10

  • Platform: Backup hangs when there are very large number of files in Graph Store

  • Platform: Backup reports successful operation even if it's actually incomplete

  • Platform: gadmin reset does not reset all files

  • GSQL: V2 syntax removes edge type that is excluded by Accum clause.

  • GSQL: Force query install should regenerate the endpoints

  • GSQL: Loading Job failed with SSL enabled

  • GSQL: Query installation performance issue for V2 syntax

  • GSQL: ArrayAccum value is not accessible in the ACCUM block when query is installed in distributed mode.

  • GSQL: Dictionary Fails when Tokens are too many

  • GSQL: Query installation fails due to schema change

  • GSQL: gsql_client strips out newlines when writing gsql queries by pasting into gsql shell

GraphStudio

  • Apply previous visualization result should handle empty saved schema

  • Displaying attribute for raw type in visualization should not use JSON stringify

  • Remove clear text user password in error log for migration from RDBMS to Graph

TigerGraph 3.0

Release Date: 2020-06-30

Features

New and modified features and described in the TigerGraph 3.0 Release Notes.

Enhancements

Database Server

  • Support for reload libudf command

  • Schema validation before apply settings

  • Relax Developer Edition restrictions

  • YAML parsing support for edge pairs

  • Support SPLIT for UDT loading, Load From/To Type from File

  • Data generator 2.0

  • Change log level by SIGUSER1, avoid unnecessary error log

  • Restpp self-report status

  • Allow users to remove data for reinstallation

  • Upgrade kafka to 2.3.0

  • Path pattern optimization with pattern flipping and PER clause

  • Combine service status and processState into one log event

  • Support validation of entry value during gadmin config set command

  • Add strong check for symlinks

  • Support to_datetime builtin function in expressions

  • Support string set filter for edge and target vertex

  • Support local vertex and edge with same name in multiple graphs

  • Index hint for interpret mode

  • Support string compress attributes in built-in Query filters

  • Enable jemalloc profiling

  • Utility function to get disk free percentage

  • Allow concurrent user query access during Query Installation

GraphStudio:

  • Support multiple-pair edge type

  • Schema change job for add/drop attribute index

  • Improved clear graph warning

  • New layout for logo and multiple graphs

  • Allow user edit header for sample data

  • Support multiple files upload

  • Cancel autofit for adding vertex and double click actions

  • Cancel auto login if user has logged out

  • Save JSON format of query result to local storage

  • Create Edge Type from Multiple Vertex Types to Multiple Vertex Types

Fixed

Database Server

  • Add on-demand heap profiling for jemalloc

  • Delete legacy ids data

  • Periodically force Jemalloc release memory to OS / on demand profiling

  • Change debug log in convertids into verbose

  • Print warning but no assert in ZMQ

  • Wrong JSON format for tempTables

  • Fix wrong check for loading job completion

  • Allow interpret query to recognize html encoded string constant

  • Handle logical type in json converter

  • Corrected URL decode for whitespace character

  • Add time before delete edges command to ensure rebuild has enough time to complete

  • Fix remove session bug for the aborted handler after 'ctrl + c'

  • Synchronize concurrent install queries

  • Change logic to check service status for cluster mode

  • Support the ‘=‘ operator SumAccum;

  • Drop vertex/edge/graph when there are local and global vertex/edge have the same name;

  • Support removing a SetAccum from another SetAccum;

  • Remove the reversed edge too when removing an edge;

  • Cannot create query due to the overflow of the size of the HeapAccum;

  • Query referred as subquery from interpreted mode query can not be dropped;

  • Index out of bound when ignoring the parameter checking for interpret query

  • Output error message for invalid job id

  • Fix codegen to insert a vertex/edge without attributes

  • Support file regexp in checking header of filename

  • Support the true value of key word header and transaction in the loading data job to be case-insensitive

  • Dedupe proxy user's own roles from groups

  • Make schema change metadata modification a transaction

  • Fix builtin k_step expansion query bug

  • Check disk space before exporting each vertex/edge type

  • Allowed non-English string constants in interpreted queries

  • Edge variable prints attribute by default

  • Print developer information only in gadmin status

  • Restrict symlinks and check their existence

GraphStudio:

  • Fix error message for new secret creation

  • Refactor keywords

  • Do not emit explorer config if saved exploration doesn't have it

  • Check for Valid date time

  • Extend wait time for progress bar finish

  • Add right border for side navigation

  • Upgrade color-picker

  • Fix check accumulator format

  • Fix percentage of performing schema change

  • Run interpreted query through websocket

TigerGraph 2.6.3

Release Date 2020-08-21

Enhancements

  • Improved handling of query time outs for distributed queries.

Fixed

  • Longer timeout for retrieving large memory map for attributes of STRING COMPRESS data type with large number of distinct values.

  • Backup jobs report incorrect successful runs

  • Incorrect type check logic for trim function;

TigerGraph 2.6.2

Release Date 2020-08-14

Enhancements

  • Improvements to GSE Upsert performance

  • Add User Id information to RESTPP logs for all user initiated calls

  • Improvements to Query Installation performance time

  • Provide warning message when revoking a role from proxy user if needed

Fixed

  • Core: GPE crash on unknown vertex / segment

  • Core: PostWriter needs to skip vertices if the internal vertex id is invalid one.

  • Core: Handle exception in ResponseThread of RemoteTopology

  • Core: Query re-installation issue caused by non-deterministic transformation

  • Core: Address Data Loading speed for hub loading

  • Core: Inconsistent result with and without using local accumulators

  • Core: RestPP payload scale issue due to 3rd party FCGI library

  • GSQL: GSQL pattern match - translation error when vertex type is the keyword "ANY"

  • GSQL: Issue with reduce function with Bitwise OR operator in the LOAD functions

  • GSQL: gsql_client strips out newlines when writing gsql queries by pasting into gsql shell

  • GSQL: Secrets and token associated with a graph and not removed during graph delete

  • GraphStudio: Displaying attribute for raw type in visualization should not use JSON stringify method

TigerGraph 2.6.1

Release Date 2020-06-12

Enhancements

  • Allow concurrent user query access during Query Installation

  • GPE & GSE Data Sync Check Utility

  • Use of POST for /requesttoken API so that user password is not exposed

  • Write Performance improvements

  • Error handling and reporting improvements for Query Timeout and Failures

  • UX improvement for ‘Clear Graph’ command in GraphStudio

Fixed

  • Ensure cleanup and compaction of delta records in a large transaction even in the event of TigerGraph service restart

  • Performance improvement to make Graph Updates faster by parallelizing and sharing transaction

  • Fix for the leftover Shuffle threads after Query Abort/Timeout

  • Change in the error message of AbortQuery request inside the Shuffle Operator

  • Bug fixes for GSE compaction feature to address exporting with mixed segments of data and load data from the database in worker mode

  • Fix for GSE crash triggered by schema change

  • Enable background thread on JEMALLOC for memory cleanup even when system is idle

  • /showprocesslist and /abortquery APIs do not list the running queries of old worker if RESTPP is refreshed

  • S3 loader header check doesn't apply file filter regex

  • GSQL V2 syntax does not handle ACCUM operator correctly

  • Fix for RESTPP timeout error

TigerGraph 2.6.0

Changes

Release Date 2020-04-24

New and modified features and described in the TigerGraph 2.6 Release Notes.

Enhancements

  • Remove SSH connection use dependency for GSQL Install Query command

  • New 'force' parameter to RebuildNow so that engine to start the rebuild.

Fixed

  • Core: GSE crash in HA setup when CPU usage is extremely high

  • Core: Out Of Memory handling improvements to prevent GPE crash due bad memory allocation call

  • GLE: fix builtin query crash in worker due to graph id missing

  • Core: Skewed CPU usage for high-query throughput scenarios

  • Fixes in Rebuild to address broken edge count

  • Fix for 2.5.2 bug - Inconsistent query results when running non-distributed query on a cluster

  • Unable to find local vertex and edge with same name in multiple graphs

  • RESTPP memory leak due to yaml file

  • Reverse edge id is wrong when two local edges with reverse edge are created with same name

TigerGraph 2.5.4

Release Date: 2020-04-24

Enhancements

  • New 'force' parameter to RebuildNow so that engine to start the rebuild.

  • Improved version of /abortquery so that query can be aborted more quickly

Fixed

  • Fixes in Rebuild to address broken edge count

  • RESTPP memory leak due to yaml file

  • Builtin query crashed due to missing Graph Id

  • RESTPP crash for same vertex name in the global graph

  • Resolved the distributed query hanging issue which could block rebuild and schema change

  • Core: Skewed CPU usage for high-query throughput scenarios

TigerGraph 2.5.3

Release Date: 2020-02-26

Fixed

  • Ensure catalog data backed up before schema change

  • Support creation of two local edges with same name with one being a reverse edge

  • Support Local vertex and edge type with same name in multiple graphs in

  • Support for multi-lingual string constant in Interpret query mode

  • Upgrade to Release 2.5.2 leads to inconsistent query results

  • Compute resource usage spikes on particular node in cluster

  • GCleanUp failed to cleanup all pointers when adjusting thread

TigerGraph 2.5.2

Release Date: 2020-01-27

TigerGraph 2.5.2 is not compatible with versions prior to 2.5.1. Customers who are using Pre-2.5.1 version and intending to migrate to 2.5.2 are advised to take backup of their existing version before upgrading to 2.5.2. This will enable them to downgrade back to the original Pre-2.5.1 version if nee

New Features

  • GPE: Increase MemoryCheck frequency based on Resource Usage

  • GPE: Abort Query if Memory usage crosses critical threshold

  • GSE: Support Log compaction as part of startup for GSE

  • GraphStudio: Support Multi-edge pair in design schema.

  • Core: Support OS RHEL 8.0 in Installer

Enhancements

  • REST: Increase the RESTPP reload timeout

  • GSQL: Change error message to specify user when default tigergraph user is dropped

  • GSQL: Make user tigergraph droppable

  • GraphStudio: Do not change layout when adding/updating/deleting vertex and edge

Fixed

  • Core: GPE crashed running distributed LDBC query

  • GST: Incorrect vertex count in TigerGraph GraphStudio

  • Core: Shuffle deadlock causing full system memory use

  • Core: Replace GASSERT with GWARN in GDataBox

  • Core: BATCH_SIZE of Kafka loader set from GSQL console doesn't work

  • GPE: Schema Change failed due to Query Install OOM

  • GSQL: Quote in string key is not escaped

  • GraphStudio: Reverse edge filter doesn't work

  • Core: Don't display LDAP password in IUM

TigerGraph 2.5.1

Release Date: 2019-11-25

Fixed

  • Core: Distributed delete affects data consistency after GPE restart

  • Core: Shuffle hangs when sendingQueue is full

  • Core: Longevity test failing due to change in memory allocator (TCMalloc)

  • GPE: Crash after upgrade from 2.4.1 to 2.5

  • GPE: Serialization error when reading from input stream

  • GPE: Query state can result in race condition inside ReadOneDelta;

  • GPE: GPE crashes when a query calls a sub-query with a write operation

  • GSE: Script to resolve delete inconsistency between GSE and GPE

  • GSE: Multiple Kafka loading jobs fail

  • GSQL: Built-in function names in GSQL are case sensitive

  • GSQL: Interpret query doesn't work when authentication is on

  • GSQL: Deadlock when graph store is being cleared and authentication is on

  • GSQL: Token authentication returning null during Global schema change

  • GSQL: SSO login failure due to missing org.apache.santuario:xmlsec library

  • GraphStudio: Vertex to edge expansion settings are not retained

  • GBAR Backup: Backup failure if loading jobs are in progress

TigerGraph 2.5.0

Release Date 2019-09-18

Changes

New and modified features and described in the TigerGraph 2.5 Release Notes.

Fixed

  • Improvements to fix possible crash, deadlock, overflow, and memory leak situations

  • Improve query performance stability

  • Fix some query string passing and parsing issues

  • Correct some inconsistencies between the documented specification and actual behavior

  • Improve robustness of Kakfa and S3 Loaders

  • Clean up files and graph properly after certain failed operations

  • Fix some installation issues

TigerGraph 2.4.1

Release Date 2019-07-23

Changes

  • To select pattern matching support in a query, the syntax is now CREATE QUERY ... SYNTAX v2 instead of CREATE QUERY ... SYNTAX("v2")

Fixed

  • GPE: Fix uint32 overflow

  • Loader: Allow temp_table to be used without flatten function

  • IDS: Disable empty UID

  • ZMQ: Fix crash on ill-formed message

  • Util: Fix Unix domain socket file not generated correctly in cron job

  • Util: Extend data size for GoutputStreamBuffer beyond 4GB

  • Connector: Fix first line is not ignored with has_header enabled

  • Connector: Fix failures on retrieving connector status

  • GSQL: Fix syntax version setting inconsistency issues

  • GSQL: Fix schema change with USING primary_id_as_attribute

  • GSQL: Fix JSON output format of requesttoken API

  • Admin Portal: Display correct counts of physical vertices and edges on each machine

TigerGraph 2.4.0

Release Date 2019-06-25

New Features

See Release Notes - TigerGraph 2.4

Fixed

  • GSQL: The built-in count() function gives the correct value in all cases.

  • GPE: startup hang

  • GSQL server start/stop command not working

  • LDAP config truncated by space

  • GSE: boolean values are not displayed correctly

  • Security issue CVE-2013-7459 caused by unused python crypto library

  • IUM status is displayed incorrectly in some cases;

TigerGraph 2.3.2

Release Date 2019-04-01

Issues

  • GSQL: The built-in count() function may give the incorrect value for clustered systems after some vertices have been deleted.

Fixed

  • GraphStudio: Send query pre-install dependency analysis result through WebSocket

  • GraphStudio: filter out improper attributes in when building filter expressions

  • GPE: fix wrong enumerator id issue

  • GPE: avoid using /tmp

  • GPE: handle exceptions for LIKE <expr>

  • GPE: Fix crash due to writing wrong size of STRING_LIST

  • GPE: Fix global schema change error which added local vertex twice

  • GSE (Developer Edition): Keep one copy of segment

TigerGraph 2.3.1

Release Date 2019-02-19

New Features

See Release Notes-TigerGraph 2.3

Issues

  • GSQL: The built-in count() function may give the incorrect value for clustered systems after some vertices have been deleted.

Fixed

  • Install: The IP list fetched by the installer could be incomplete.

  • Loading: Speed up batch-delta loading.

  • GraphStudio: Disable Install Query button for queryreader users.

  • GraphStudio: Re-initialize the database after import.

  • GraphStudio: Could not drop query with non-default username/password.

  • AdminPortal: Queries-Per-Second display didn't work if RESTPP authorization was enabled.

  • Schema change: Improve schema change stability by reducing schema change history and increasing gRPC max message limit.

  • GPE: Improve query HA stability.

  • GPE: Fix crash under certain conditions.

  • Core: Memory leak due to yamlcpp.

  • Core: compatibility issue between libc and ssh utility.

  • IUM: Fix exceptions due to legacy config entries.

TigerGraph 2.2.4

Release Date: 2018-12-13

Fixed

  • Distributed System: Fix possible deadlock and race conditions

  • GSE Storage Engine: Fix disk seek overflow

  • RESTPP: Optimize the memory consumption when system is idle

  • RESTPP: Optimize config reload time

  • GSQL: Fix query installation error with option -optimize

  • GSQL: Fix a code generation bug related to static variable

  • GSQL: Fix a compilation error when a statement is in nested if statement

  • GraphStudio: Security update for npm-run-all

  • GraphStudio: Change Help button to point to new docs.tigergraph.com site

  • Gadmin: Fix gadmin/ts3 restart and status error after changing port of TS3

TigerGraph 2.2.3

Release Date: 2018-11-30

Fixed

  • GraphStudio: Fix schema change bug (Note: In 2.2, GraphStudio now does not drop all data when making a schema change.)

  • GraphStudio: Fix display issue in Graph Explore when switch to a new graph

  • GraphStudio: Improve password security

  • GraphStudio: Modify URL to AdminPortal for better universal support

  • IUM: Fix kafka-loader configuration after cluster expansion

  • IUM: Resolve python module name conflict

  • IUM: Fix ssh_port is always 1 under bash interactive mode

  • GSE Storage Engine: Reduce memory consumption

  • RESTPP: Improve logging messages

TigerGraph 2.2

Release Date: 2018-11-05

New Features

See Release Notes-TigerGraph 2.2

Fixed

  • GraphStudio: When both a query draft and an installed query exist, Export Solution will keep the installed query code instead of the query draft

  • Admin Portal: Number of nodes in the cluster is reported as 0 when no graph yet exists

TigerGraph 2.1.8

Release Date: 2018-11-05

Issues

  • GBAR Backup fails if HA is enabled

  • GSE status shows unknown with HA enabled

  • TS3 fails to collect QPS when RESTPP Authentication is enabled (Admin Portal QPS monitor will be unavailable in this case).

  • GraphStudio: When both a query draft and an installed query exist, Export Solution will keep the installed query code instead of the query draft.

  • Admin Portal: Number of cluster nodes is reported as 0 when no graph exists.

Fixed

  • GSQL server error if schema is too large

  • In a cluster, not all servers may be aware of deleted vertices.

  • PAM limit set-up issue in installer

  • In MultiGraph, a local (FROM *, TO *) local edge has global side effects.

  • RESTPP's default API version is not set after installation

  • An engine bug which occasionally causes crash

Added

  • SSH port configuration in installer.

  • Installation script checks that the machine meets the minimum RAM (8GB) and CPU (2-core) requirements.

  • For Ubuntu 16.04/18.04, support logon with systemd service.

TigerGraph 2.1.7

Release Date: 2018-08-20

Issues

  • GBAR backup fails if HA is enabled.

  • TS3 fails to collect QPS when RESTPP Authentication is enabled (Admin Portal QPS monitor will be unavailable in this case).

  • GraphStudio: When both a query draft and an installed query exist, Export Solution will keep the installed query code instead of the query draft.

  • Admin Portal: Number of cluster nodes is reported as 0 when no graph exists.

Fixed

  • Cluster configuration with HA enabled is wrong if the number of nodes is odd (3, 5, 7, 9...).

  • GraphStudio and GSQL inconsistent checking for some keywords

  • GBAR backup and restore fail if special character is in tag name

TigerGraph 2.1.6

Release Date: 2018-08-15

Issues

  • Cluster configuration with HA enabled is wrong if the number of nodes is odd (3, 5, 7, 9...).

  • GraphStudio: When both a query draft and an installed query exist, Export Solution will keep the installed query code instead of the query draft.

  • TS3 fails to collect QPS when RESTPP Authentication is enabled (Admin Portal QPS monitor will be unavailable in this case).

  • Admin Portal: Number of cluster nodes is reported as 0 when no graph exists.

Fixed

  • GSQL null pointer exception during schema change if a directed edge is dropped but its partner reverse edge is kept.

  • Some complex attribute types cannot be correctly posted via /graph endpoint.

  • In some cases, tuple on reverse edge crashes GPE.

  • GraphStudio throws an authentication error if RESTPP authentication is enabled.

Added

  • License level control of MultiGraph functionality.

Tigergraph 2.1.5

Release Date: 2018-07-24

Known Issues

  • GSQL null pointer exception during schema change if a directed edge is dropped but its partner reverse edge is kept.

  • Some complex attribute types cannot be correctly posted via /graph endpoint.

  • In some cases, tuple on reverse edge crashes GPE.

Fixed

  • GraphStudio Export package is occasionally incomplete.

  • GSE status is always "not ready" if schema is too large.

  • Cannot modify RESTPP port configuration.

  • IUM error in a cluster when not running on node m1