new deduped changefeed code: case where too many queries at once can lead to failed queries
new deduped changefeed code: case where too many queries at once can lead to failed queries

tscholl2/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc,DrXyzzy/smc,DrXyzzy/smc