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* CBG-3577 Uptake cbgt fix for MB-59249 Includes new unit test that reproduced the issue being fixed. * PR review fixes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // Copyright 2023-Present Couchbase, Inc. | ||
| // | ||
| // Use of this software is governed by the Business Source License included | ||
| // in the file licenses/BSL-Couchbase.txt. As of the Change Date specified | ||
| // in that file, in accordance with the Business Source License, use of this | ||
| // software will be governed by the Apache License, Version 2.0, included in | ||
| // the file licenses/APL2.txt. | ||
|
|
||
| package importtest | ||
|
|
||
| import ( | ||
| "log" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| "github.com/couchbase/sync_gateway/base" | ||
| "github.com/couchbase/sync_gateway/rest" | ||
| ) | ||
|
|
||
| func TestImportPartitionsOnConcurrentStart(t *testing.T) { | ||
| if base.UnitTestUrlIsWalrus() { | ||
| t.Skip("This test only works against Couchbase Server") | ||
| } | ||
|
|
||
| // Start multiple rest testers concurrently | ||
| numNodes := 4 | ||
| numImportPartitions := uint16(16) | ||
| expectedPartitions := 4 | ||
| restTesters := make([]*rest.RestTester, numNodes) | ||
| tb := base.GetTestBucket(t) | ||
| ctx := base.TestCtx(t) | ||
| defer tb.Close(ctx) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < numNodes; i++ { | ||
| wg.Add(1) | ||
| go func(i int) { | ||
| noCloseTB := tb.NoCloseClone() | ||
| rt := rest.NewRestTester(t, &rest.RestTesterConfig{ | ||
| CustomTestBucket: noCloseTB, | ||
| DatabaseConfig: &rest.DatabaseConfig{DbConfig: rest.DbConfig{ | ||
| AutoImport: true, | ||
| ImportPartitions: base.Uint16Ptr(numImportPartitions), | ||
| }}, | ||
| }) | ||
| restTesters[i] = rt | ||
| wg.Done() | ||
| }(i) | ||
| } | ||
| wg.Wait() | ||
|
|
||
| defer func() { | ||
| for _, rt := range restTesters { | ||
| if rt != nil { | ||
| rt.Close() | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| rest.WaitAndAssertCondition(t, func() bool { | ||
| totalPartitions := uint16(0) | ||
| balancedPartitions := true | ||
| currentPartitions := make([]int, len(restTesters)) | ||
| for i, rt := range restTesters { | ||
| rtPartitions := rt.GetDatabase().PartitionCount() | ||
| currentPartitions[i] = rtPartitions | ||
| totalPartitions = totalPartitions + uint16(rtPartitions) | ||
| if rtPartitions != expectedPartitions { | ||
| balancedPartitions = false | ||
| } | ||
| } | ||
| if totalPartitions == numImportPartitions && balancedPartitions == true { | ||
| log.Printf("Partitions are balanced. Current total: %d, distribution: %v", totalPartitions, currentPartitions) | ||
| return true | ||
| } else { | ||
| log.Printf("Waiting for balanced partitions. Current total: %d, distribution: %v", totalPartitions, currentPartitions) | ||
| return false | ||
| } | ||
| }) | ||
| } |