Zone based reconstruction of logical to physical address translation map

A system comprising:

• a first memory component and a second memory component, wherein the first memory component is different from the second memory component;
• a processing device, operatively coupled with the first memory component and the second memory component, to:
• load a portion of a translation map on the first memory component, the translation map mapping a first plurality of logical block addresses (LBAs) to a first plurality of physical block addresses, wherein the first plurality of LBAs are ordered in a logically consecutive order within the translation map;
• identify a last snapshot of the portion of the translation map stored on the second memory component;
• identify one or more logs of write operations that are stored on the second memory component after the last snapshot of the portion of the translation map was stored, wherein the one or more logs comprise a second plurality of LBAs mapped to a second plurality of physical block addresses and wherein the second plurality of LBAs are ordered in a chronological order in which the second plurality of LBAs were written to;
• and
• reconstruct the portion of the translation map, wherein to reconstruct the portion of the translation map, the processing device is to:
• read each of the chronologically ordered second plurality of LBAs of the one or more logs to identify a first logical block address (LBA) that matches with a second LBA within the consecutively ordered logical addresses on the loaded portion of the translation map on the first memory component;
• and
• update a physical block address corresponding to the second LBA on the loaded portion with a physical block address corresponding to the first LBA from the one or more logs.

A non-transitory computer-readable medium comprising instructions that, when executed by a processing device, cause the processing device to perform operations comprising:

• loading a zone onto a first memory component of a storage system, wherein the zone comprises one or more regions of data blocks comprising a first plurality of logical block addresses (LBAs) that are ordered in a logically consecutive order within the one or more regions of data blocks, wherein a snapshot of each of the one or more regions is stored on a second memory component of the storage system and is associated with a sequence number of a plurality of ordered sequence numbers;
• identifying a particular sequence number associated with a respective snapshot of a region of the one or more regions, the particular sequence number being earlier in the plurality of ordered sequence numbers than sequence numbers associated with respective snapshots of remaining regions of the one or more regions;
• identifying a set of journals stored on the second memory component that are associated with sequence numbers that are later in the plurality of ordered sequence numbers than the particular sequence number, wherein the set of journals comprise a second plurality of LBAs mapped to a second plurality of physical block addresses and wherein the second plurality of LBAs are ordered in a chronological order in which the second plurality of LBAs were written to;
• and
• reconstructing the one or more regions of the zone by:
• reading each of the chronologically ordered second plurality of LBAs of the set of journals to identify a first logical block address (LBA) that matches with a second LBA within the consecutively ordered first plurality of LBAs on the loaded zone on the first memory component;
• and
• updating a physical block address corresponding to the second LBA on the loaded zone with a physical block address corresponding to the first LBA from the set of journals.