The document database uses the last digit of the value of Class as the sharding key. Check the documents that will be in each shard.

Documents in collection Contact

$\{$ identifier: $"$eq$45",$ FirstName: "Eve", LastName: "Sanz", Class: $2016,$ Major: "Mathematics", Degree: $"$BA$"\}\{$ identifier: $"$dh$43",$ FirstName: "Ani", LastName: "Pham", Class: $2019,$ Major: "Mathematics", State: $"$PA$",$ GPA: $3\mathrm{.}72\}\{$ identifier: $"$bd$72",$ Class: $2018,$ FirstName: "Kim", LastName: "Dean" $\}$

$\{$ identifier: "aqd$7",$ FirstName: "Avi", LastName: "Ross", Major: "Computer Science", Degree: $"$BSc$",$ Class: $2008\}\{$ identifier: $"$cdt$2",$ Class: $2024,$ FirstName: "Val", LastName: "Wood", Major: "Philosophy", Minor: "Mathematics", State: $"$MI$",$ GPA: $3\mathrm{.}1\}$

Shard

$0$:

$1$:

$2$:

$3$:

$4$:

$5$:

$6$:

$7$:

$8$:

$9$:

eq$45$

dh$43$

bd$72$

aqd$7$

cdt$2$

Documents

Shard: $0,$ Document: eq$45$

Shard: $0,$ Document: dh$43$

Shard: $0,$ Document: bd$72$

Shard: $0,$ Document: aqd$7$

Shard: $0,$ Document: cdt$2$

Shard: $1,$ Document: eq$45$

Shard: $1,$ Document: dh$43$

Shard: $1,$ Document: bd$72$

Shard: $1,$ Document: aqd$7$

Shard: $1,$ Document: cdt$2$

Shard: $2,$ Document: eq$45$

Shard: $2,$ Document: dh$43$

Shard: $2,$ Document: bd$72$

Shard: $2,$ Document: aqd$7$

Shard: $2,$ Document: cdt$2$

Shard: $3,$ Document: eq$45$

Shard: $3,$ Document: dh$43$

Shard: $3,$ Document: bd$72$

Shard: $3,$ Document: aqd$7$

Shard: $3,$ Document: cdt$2$

Shard: $4,$ Document: eq$45$

Shard: $4,$ Document: dh$43$

Shard: $4,$ Document: bd$72$

Shard: $4,$ Document: aqd$7$

Shard: $4,$ Document: cdt$2$

Shard: $5,$ Document: eq$45$

Shard: $5,$ Document: dh$43$

Shard: $5,$ Document: bd$72$

Shard: $5,$ Document: aqd$7$

Shard: $5,$ Document: cdt$2$

Shard: $6,$ Document: eq$45$

Shard: $6,$ Document: dh$43$

Shard: $6,$ Document: bd$72$

Shard: $6,$ Document: aqd$7$

Shard: $6,$ Document: cdt$2$

Shard: $7,$ Document: eq$45$

Shard: $7,$ Document: dh$43$

Shard: $7,$ Document: bd$72$

Shard: $7,$ Document: aqd$7$

Shard: $7,$ Document: cdt$2$

Shard: $8,$ Document: eq$45$

Shard: $8,$ Document: dh$43$

Shard: $8,$ Document: bd$72$

Shard: $8,$ Document: aqd$7$

Shard: $8,$ Document: cdt$2$

Shard: $9,$ Document: eq$45$

Shard: $9,$ Document: dh$43$

Shard: $9,$ Document: bd$72$

Shard: $9,$ Document: aqd$7$

Shard: $9,$ Document: cdt$2$