52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
// Tests that an empty shard can't be the cause of a chunk reset
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var st = new ShardingTest({ shards : 2, mongos : 2 })
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// Don't balance since we're manually moving chunks
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st.stopBalancer()
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var coll = st.s.getCollection( jsTestName() + ".coll" )
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for( var i = -10; i < 10; i++ )
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coll.insert({ _id : i })
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st.shardColl( coll, { _id : 1 }, { _id : 0 } )
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jsTestLog( "Sharded setup complete" )
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st.printShardingStatus()
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jsTestLog( "Setting initial versions for each mongos..." )
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coll.find().itcount()
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var collB = st.s1.getCollection( "" + coll )
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collB.find().itcount()
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jsTestLog( "Migrating via first mongos..." )
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var fullShard = st.getShard( coll, { _id : 1 } )
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var emptyShard = st.getShard( coll, { _id : -1 } )
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var admin = st.s.getDB( "admin" )
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printjson( admin.runCommand({ moveChunk : "" + coll, find : { _id : -1 }, to : fullShard.shardName, _waitForDelete : true }) )
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jsTestLog( "Resetting shard version via first mongos..." )
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coll.find().itcount()
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jsTestLog( "Making sure we don't insert into the wrong shard..." )
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collB.insert({ _id : -11 })
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var emptyColl = emptyShard.getCollection( "" + coll )
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print( emptyColl )
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print( emptyShard )
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print( emptyShard.shardName )
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st.printShardingStatus()
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assert.eq( 0, emptyColl.find().itcount() )
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