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CHANGELOG.md

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BigGraphite

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

[0.14.15] - 2020-02-14

Fixed

  • Add import of distutils.util to settings.py fixing missing module error

0.14.14 - 2019-06-12

Fixed

  • Freeze cassandra-driver to version to 3.17.1
  • Constrain elasticsearch-dsl to versions <7.0.0,>=6.0.0

Improved

  • Creation rate of metadata configurable
  • Ability to disable metadata creation at runtime

0.14.13 - 2019-04-12

Fixed

  • Version binding of dependencies to stay python 2.x compatible
  • Freeze gourde version to 0.2.1

0.14.12 - 2019-04-01

Improved

  • Add tracing on the graphite plugin interface
  • Align the way to update metadata in Elasticsearch with Cassandra
  • Setting BG_CASSANDRA_READ_ON_SAMPLING_RATE to 0 skips updating the read_on

Fixed

  • Do not update read_on if the metric is not present

0.14.11 - 2019-02-27

Improved

  • Add new configuration keys to Elasticsearch driver

0.14.10 - 2019-02-19

Improved

  • Wait metadata to be read before touching them

0.14.9 - 2019-02-14

Improved

  • Pass correct time argument to carbonlink merge function
  • Adding docker-compose setup to test biggraphite

Fixed

  • Fixed accessor cache on python 3.x
  • Fixed bug in ES metrics_matching_glob
  • Fixed data read/write consistency level in cassandra driver

0.14.8 - 2019-01-04

Fixed

  • crash when opencensus is not installed

0.14.7 - 2018-12-27

Improved

  • Tracing shows more relevant data in spans (metric names/globs if available)
  • Middleware is provided to improve tracing:
    • more options to configure when to trace
    • more data in spans (the executed query and the format)

0.14.6 - 2018-12-18

Improved

  • reduced number of metadata objects handled by biggraphite

Fixed

  • some bgutils commands were printing python objects instead of string representation

0.14.5 - 2018-12-13

Fixed

  • adapt biggraphite to use the lastest version of prometheus client

0.14.4 - 2018-12-13

Fixed

  • monitoring: some Cassandra counters were stuck at 0
  • Cassandra backend returned empty results in traced environment
  • specifing the same data driver as metadata driver lead to runtime errors
  • diskcache not used with Cassandra

0.14.3 - 2018-11-26

Fixed

  • fix list index out of range in _get_metrics when the metric doesn't exists

Added

  • support tracing of biggraphite
  • expose metrics from the elasticsearch driver

0.14.2 - 2018-10-18

Fixed

  • CVE-2017-12629 on graphiteindex (upgrade to Lucene 7.1.0)

0.14.1 - 2018-10-15

Improved

  • improved observability on metric creation

0.14.0

Improved

  • performance of Elasticsearch driver

Fixed

  • isolation between metadata and data in Cassandra driver
  • metric name UTF-8 support in Elasticsearch driver

Added

  • ability to disable BigGraphite cache

Removed

  • irrelevant metrics on bg_cassandra_updated_on_latency_seconds and bg_cassandra_read_on_latency_seconds for Cassandra driver

0.13.10 - 2018-10-08

Improved

  • cassandra accessor observability: add metrics on query usage

0.13.9 - 2018-08-28

Fixed

  • updated_on behavior

Improved

  • bgutil stats supports metric prefix

0.13.8 - 2018-08-27

Fixed

  • cassandra: don't loose points if we have many restarts
  • Fix python 3.6 compatibility

Improved

  • bgutil stats: add carbon support
  • Add flask_cors support

0.13.7 - 2018-08-23

Fixed

  • elasticsearch: env variables are now working properly

Improved

  • elasticsearch: timestamps are now updated on a background thread

0.13.6 - 2018-08-22

Added

  • elasticsearch: fix read_on bug
  • bgutil web: add /maintainance page

0.13.5 - 2018-08-21

Added

  • Support clean/stats/repair in ES
  • bgutil web: fix and finish async commands

0.13.4 - 2018-08-16

Fixed

  • Don't install ipython as requirement.

0.13.3 - 2018-08-14

Added

  • Configurable es schema
  • bgutil web: async cmd
  • bgutil web: capture stderr/stdout

Fixed

  • ES import script (schema + doc + remove directory + doc type)
  • Wrong C* metric metadata parsing

0.13.2 - 2018-08-03

Removed

  • Configurable es schema (reverted while waiting for a fix)
  • Accessor clear method (only used by tests)

0.13.1 - 2018-08-02

Added

  • Use provided time range to glob search metrics and directories (Elasticsearch only)

Fixed

  • Metadata update lost creation date in Elasticsearch backend
  • Ignore update conflicts on Elasticsearch (HTTP 409)

0.13.0 - 2018-23-07

Added

  • Elasticsearch driver (supports metadata only), see ELASTICSEARCH_DESIGN.md
  • Ability to declare distinct data and metadata drivers: use --data_driver and --metadata-driver instead of --driver (--driver option is still supported)

0.12.0 - 2018-25-06

Added

  • bgutil clean new flag: --corrupted-metrics
  • Add non-zero timeout to event.wait()
  • Make sure we always create missing directories

Fixed

  • Non escaped char in the Lucene filter string
  • Fix disk cache and add unitests

0.11.0 - 2018-03-13

Added

  • Metrics for metadata cache and cassandra operations.
  • Ability to configure SYNC_EVERY_N_WRITES in carbon
  • Shuffle Cassandra replicas

Fixed

  • Connection leak when Cassandra connection fails

0.10.7 - 2018-02-15

Added

  • Added bgutil graphite_web to debug the graphite web plugin.

Fixed

  • Reduce calls to biggraphite_metadata.metrics_metadata when reading points.

0.10.6 - 2018-02-15

Added

  • New options for bg-replay-traffic

Fixed

  • metrics_metadata is now less subject to corruptions

0.10.5 - 2018-02-01

Fixed

  • Cache issues with globs

0.10.4 - 2018-01-31

Added

  • Experimental Lucene index (with BG_CASSANDRA_USE_LUCENE).

0.10.3 - 2018-01-15

Fixed

  • Fixed wrong results when using performance improvements for 1.1.x
  • Improved the way readers and finders were imported.

0.10.2 - 2018-01-08

Fixed

  • Fixed performance regression with 1.1.0
  • Fixed some bugs caused by the Python 3 support

0.10.0 - 2017-12-20

New

  • Support for Graphite 1.1.0
  • Support for Python 3
  • Add CSV support to bgutil read

Fixed

  • Bug where leaves_only would be ignored when caching values
  • Queries returning no results would no be cached correctly
  • Add locking in metadata_cache
  • Fixed benchmarks

0.9.2 - 2017-12-04

Fixed

  • Fix compatibility with Graphite 1.1.0

0.9.1 - 2017-12-04

Fixed

  • Version in setup.py

New

  • Experiments with Lucence and ES

0.9.0 - 2017-11-21

Breaking changes

  • The previously non working --(meta|data)_consistency* flags have been prefixed by cassandra.

Fixed

  • Cassandra background operations (clean, repair) are now more resilient to timeouts
  • Fixed Cassandra consistency flags.

0.8.11 - 2017-11-08

Fixed

  • bgutil stats: Skip corrupt metrics
  • bgutil write: fix command and add unit test
  • tools: Fix columnspec for time_start_ms.

New

  • bgutil syncdb: add a way to create datapoint tables

0.8.10 - 2017-10-12

Breaking Change

  • Renamed created_at -> created_on: Before updating, run:

    ALTER TABLE biggraphite_metadata.metrics_metadata ADD created_on timeuuid;
CREATE CUSTOM INDEX metrics_metadata_created_on_idx ON biggraphite_metadata.metrics_metadata (created_on) USING 'org.apache.cassandra.index.sasi.SASIIndex' WITH OPTIONS = {'mode': 'SPARSE'};

    After updating, run:

    DROP CUSTOM INDEX metrics_metadata_created_at_idx;
ALTER TABLE biggraphite_metadata.metrics_metadata DROP created_at;

Fixed

  • Carbon: make sure we touch metrics on all code path

New

  • bgutil delete to delete metrics

0.8.9 - 2017-09-26

Fixed

  • Only update metadata timestamps when writing

New

  • New created_at field in metrics_metadata
  • Some work for the new GraphiteIndex, not ready yet.

0.8.8 - 2017-07-11

Fixed

  • Bug in cleanup code (would remove intermediate directories)

0.8.7 - 2017-07-07

Fixed

  • Infinite caching for metadata.

0.8.6 - 2017-06-15

Fixed

  • Infinite caching for metadata.

0.8.5 - 2017-06-15

Fixed

  • Fixed the time info of empty timeseries
  • Fix error handling in repair()/clean()

New

  • Added bgutil stats
  • Better caching for find()
  • Use new Graphite-Web API for FindQuery
  • Make read_on/updated_on more configurable

0.8.4 - 2017-05-15

Fixed

  • Better logging

New

  • Add bgutil copy
  • Better exception in carbon.py when metric can't be found

0.8.3 - 2017-04-25

  • Nothing, just an issue with pypi uploads.

0.8.2 - 2017-04-25

Fixed

  • Fix ipython and cassandra versions

0.8.1 - 2017-04-05

Fixed

  • Better handling of Cassandra exceptions
  • Better handling of carbonlink
  • Fix metric reporting interval

0.8.0 - 2017-03-10

Added

  • Configurable consistency settings (#242)
  • [BREAKING] New column (read_on) in metric_metadata for adding statistics on read metrics (#107) need to run the following cql to migrate theschema
   ALTER TABLE biggraphite_metadata.metrics_metadata
   ADD read_on timeuuid;
  • Added a tool to replay graphite traffic
  • Support Carbon Link protocol

Fixed

  • Fix multi-cluster support
  • Be more robust when metadata is missing

Changed

  • Added some randomness to cache expiration

0.7.0

Added

  • Prometheus support and additional metrics
  • Add support for multiple replicas/writers
  • Microbenchmarks
  • Asynchronous creation of metrics in carbon
  • Better bg-import-whisper / bg-generate-sstables + helper scripts

Fixed

  • Multiple bugs with the disk cache
  • Multiple clean/repair bugs

Changed

  • [Breaking] Cassandra schema as been changed to separate stage0 and aggregated metrics. There is no upgrade procedure as this is a pre-release.
  • [Breaking] bgutil syncdb needs to be run during initial install

0.6.0 - 2016-11-25

Added

  • Initial release with this CHANGELOG file

Changed

  • We are going to do releases from now on