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CHANGELOG.md

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Unreleased

BUG FIXES:

  • Fix decoding fields for StorageCallVShardError (MasterUUID, ReplicasetUUID).

CHANGES:

  • Add comment why and how we handle "NON_MASTER" vshard error.
  • Don't support 'type Error struct' anymore.
  • Linter: don't capitalize error strings and capitalize log.
  • Fix misspellings.
  • Handle vshard error the same way as lua vshard router (resolve issue #77).
  • Decode 'vshard.storage.call' response manually into struct vshardStorageCallResponseProto using DecodeMsgpack interface to reduce allocations (partially #61, #100).
  • Remove mapstructure tag from StorageCallVShardError.
  • Update benchmarks in README files.

FEATURES:

  • Add pause between requests in buckets discovering. Configured by config DiscoveryWorkStep, default is 10ms.
  • Add ReplicaUUID to the StorageCallVShardError struct.

REFACTOR:

  • Use constants for vshard error names and codes.
  • Reduce SLOC by using CallAsync method.
  • BucketForceCreate optimization: don't decode tnt response.

TESTS:

  • Rename bootstrap_test.go -> tarantool_test.go and new test in this file.

v1.2.0

CHANGES:

  • We don't support LogProvider interface anymore, only LogfProvider should be used.

BUG FIXES:

  • RouterCallImpl: retry on BucketResolve error.
  • RouterCallImpl: do not retry on vshard error "TRANSFER_IS_IN_PROGRESS".
  • RouterCallImpl: remove misleading RetryOnCall.
  • AddInstance bugfix: pass r.cfg.PoolOpts to new instance.

FEATURES:

  • Support StdoutLoggerf that allows control log level (resolve issue #84).
  • Support new BucketsSearchMode config to set policy for BucketDiscovery (resolve #71).
  • Implemented CalculateEtalonBalance based on lua router (part of #32).
  • Implement go-tarantool Logger interface to use the same logger as router uses (resolve issue #79).
  • Implemented ClusterBootstrap function based on lua router (#32).

REFACTOR:

  • Func bucketSearchLegacy: log error from bucketStatWait (except bucketStatError).
  • New bucketsDiscoveryAsync, bucketsDiscoveryWait, bucketsDiscovery methods for buckets discovery pagination.
  • Support bucketSearchBatched method for batched buckets discovery (resolve #71).

TESTS:

  • Tests for BucketsSearchMode (tnt/discovery_test.go).
  • The tests have been rewritten in such a way that now you can configure the cluster to suit any needs, the configuration of the clusters may differ and the launch is controlled from go.
  • Legacy integration tests removed (tests/integration).

v1.1.0

CHANGES:

  • now if there is no etcd connection - etcd provider returns you error instead panic.
  • etcd provider also accepts context as input for working with the logger.

BUG FIXES:

  • fixed the problem of re-creating a new context when starting discovery, which led to a lack of discovery logging.

TESTS:

  • Simplify test/tnt/{Makefile,router.lua).
  • Indent fix for test/tnt/storage.lua.

FEATURES:

  • now we write topology changes to debug logs.
  • now we write info logs about new replicaset adding and nodes state.
  • added pull request template to repository.

v1.0.1

BUG FIXES:

  • fix invalid go-tarantool backward compatibility: NewCallRequest not method of router.

1.0.0

BUG FIXES:

  • RouterCallImpl: fix decoding response from storage_ref (partially #42)
  • RouterCallImpl: fix decoding response from storage_map (partially #42)
  • BucketDiscovery: check res for nil
  • BucketStat: decode bsInfo by ptr
  • ReplicaCall: fix decoding response (#42)
  • ReplicaCall: fix ignoring timeout while waiting for future.Get()
  • Fix retry on Client or LuaJit error

FEATURES:

  • Support new Sprintf-like logging interface (#48)
  • DiscoveryTimeout by default is 1 minute (zero DiscoveryTimeout is not allowed #60)
  • All discovering logs has new prefix [DISCOVERY]
  • Introduce Replicaset.CallAsync, it is usefull to send concurrent requests to replicasets; additionally, CallAsync provides new interface to interact with replicaset without cons of interface of ReplicaCall
  • Retry tarantool request only on some vshard errors (#66).
  • Added call interfaces backwards compatible with go-tarantool (#31).

REFACTOR:

  • resolve issue #38: simplify DiscoveryAllBuckets and remove suspicious if
  • resolve issue #46: drastically simplify RouterMapCallRWImpl and added tests with real tnt
  • Use typed nil pointers instead of memory allocation for EmptyMetrics and emptyLogger structs
  • resolve issue #44: remove bucketCount field from struct Replicaset
  • rename startCronDiscovery to cronDiscovery and make it panic-tolerant
  • BucketStat: split into bucketStatAsync and bucketStatWait parts
  • BucketDiscovery: do not spawn goroutines, just use futures in the single goroutine
  • BucketResolve: make it alias for BucketDiscovery
  • do not export anymore storageCallAssertError, bucketStatError

TESTS:

  • New test for RouterCallImpl (and fix the old one)
  • New tnt tests for discovery logic
  • New tnt tests for RouterMapCallRWImpl
  • New tnt tests for topology logic
  • Big CI update
    • 2 sections for CI: static checks and tests
    • integration tests run on ci with Tarantool cluster on vshard
    • implemented luacheck for static checks
  • New tnt tests for ReplicaCall
  • New tnt tests for CallAsync
  • Init Go benches for tests/tnt

EXAMPLES:

  • customer go mod fixed
  • add customer example listen addr log

0.0.12

BUG FIXES:

  • RouterCallImpl: fix decoding the response from vshard.storage.call
  • RouterCallImpl: do not return nil error when StorageCallAssertError has happened
  • BucketStat: always returns non-nil err, fixed
  • DiscoveryAllBuckets returns nil even if errGr.Wait() returns err, fixed
  • DiscoveryHandleBuckets: misusage of atomics, fixed
  • race when accessing to idToReplicaset, fixed: idToReplicaset is immutable object now
  • RouterMapCallRWImpl: fix misusage of refID atomic
  • RouterMapCallRWImpl: decode bucketCount into 32 bit integer instead of 16 bit
  • RouterMapCallRWImpl: fix concurrent access to idToResult map
  • BucketDiscovery: fix possible concurrent access to resultRs and err vars
  • RouterMapCallRWImpl: compare totalBucketCount against r.cfg.TotalBucketCount
  • issue #39: fixed concurrent access to routeMap: use consistent view (immutable object) + atomics

FEATURES:

  • Added etcd v2 topology provider implementation (#16)
  • Add TopologyController mock for testing improve
  • Add linter job (#33)
  • New test framework with real tarantools

REFACTOR:

  • Refactored docs (add QuickStart doc) and that library base on vhsard router
  • Several linters are enabled because they are usefull
  • Ignore .tmp files
  • Refactored provider creation test caused by golang-ci lint (#33)
  • Router implements directly TopologyController, no proxy object is used now
  • Makefile refactored for racetests
  • Tests coverage up 22% -> 33%

0.0.11

BUG FIXES:

  • Fix buckets discovery (it doesn't freeze now)

FEATURES:

  • BucketStat has become a public method (#21)
  • Add golang-ci logic

REFACTOR:

  • WSL lint providers fix
  • Lint refactor with spaces
  • Split tests for shadow and not vshard module
  • Update Makefile with cover & lint
  • Add more tests for providers
  • TopologyController now is an interface
  • Pool struct has been replaced with the Pooler interface, which has improved coverage (#21)

0.0.10

BUG FIXES:

  • fix empty and multiple tnt procedure responses

FEATURES:

  • start write CHANGELOG file
  • use TopologyProvider instead direct config topology; if us uses old schema just change it to static provider
  • add go report card

REFACTOR:

  • refactored place for rs method