A method for processing time series measurement data, the method comprising: receiving time series measurement data comprising a plurality of network performance metrics over a plurality of time periods for a plurality of network entities, wherein each network performance metric measures performance of a network entity of the plurality of network entities; writing the received time series measurement data for the plurality of network entities to a plurality of measure data structures comprising the plurality of network performance metrics, each one of the plurality of measure data structures stores time series measurement data corresponding to a respective network entity for a respective one of the time periods, each one of the plurality of measure data structures includes a header indicating a type of stored metric values and the time period associated with the time series measurement data stored within a corresponding measure data structure; storing the plurality of measure data structures to a data structure configured as a two dimensional array having a first dimension and a second dimension, wherein the first dimension represents time and the second dimension represents a plurality of network entities, each element of the two dimensional array comprising a respective measure data structure; compressing the elements of the two-dimensional array into a first plurality of Binary Large Objects, BLOBs, and a second plurality of BLOBs; storing the first plurality of BLOBS in a first table, wherein the first table is indexed by a combination of a network entity and a time period and wherein each of the first plurality of BLOBs contains all the metric values collected over a time period for a particular network entity of the plurality of network entities being monitored; and storing the second plurality of BLOBs in a second table, wherein the second table is indexed by a combination of a network performance metric and a network entity and wherein each of the second plurality of BLOBs holds the values of a particular performance metric for all of the entities of the plurality of network entities for a particular time period. receiving time series measurement data comprising a plurality of network performance metrics over a plurality of time periods for a plurality of network entities, wherein each network performance metric measures performance of a network entity of the plurality of network entities; writing the received time series measurement data for the plurality of network entities to a plurality of measure data structures comprising the plurality of network performance metrics, each one of the plurality of measure data structures stores time series measurement data corresponding to a respective network entity for a respective one of the time periods, each one of the plurality of measure data structures includes a header indicating a type of stored metric values and the time period associated with the time series measurement data stored within a corresponding measure data structure; storing the plurality of measure data structures to a data structure configured as a two dimensional array having a first dimension and a second dimension, wherein the first dimension represents time and the second dimension represents a plurality of network entities, each element of the two dimensional array comprising a respective measure data structure; compressing the elements of the two-dimensional array into a first plurality of Binary Large Objects, BLOBs, and a second plurality of BLOBs; storing the first plurality of BLOBS in a first table, wherein the first table is indexed by a combination of a network entity and a time period and wherein each of the first plurality of BLOBs contains all the metric values collected over a time period for a particular network entity of the plurality of network entities being monitored; and storing the second plurality of BLOBs in a second table, wherein the second table is indexed by a combination of a network performance metric and a network entity and wherein each of the second plurality of BLOBs holds the values of a particular performance metric for all of the entities of the plurality of network entities for a particular time period.