Runtime memory allocation to avoid and delay defect effects in memory sub-systems

A system for runtime memory allocation to avoid memory defects, system comprising:

• a plurality of memory devices;
• and
• a processing device communicatively coupled to the plurality of memory devices and configured to:
• manage had block identifiers, wherein the bad block identifiers identify one or more blocks of a plurality of memory blocks having defects rendering the one or more blocks unusable for storing data;
• manage arrangement of the plurality of memory blocks into a plurality of erase groups, wherein each erase group of the plurality of erase groups comprises two or more memory blocks of the plurality of memory blocks;
• determine a number of bad blocks for each erase group of the plurality of erase groups;
• allocate, prior to a first memory condition that comprises an erase group having more than a threshold number of write/erase actions occurring, a first erase group for erasure based on a first set of criteria comprising the number of bad blocks for each erase group;
• based on the first memory condition being met, transitioning from the first set of criteria to a second set of criteria different from the first set of criteria;
• and
• allocate a second erase group for erasure based on the second set of criteria.

A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors of a device, cause the device to perform operations comprising:

• assigning a plurality of memory blocks of a memory sub-system to a plurality of erase groups, such that each erase group of the plurality of erase groups comprises two or more memory blocks of the plurality of memory blocks;
• calculating a bad block association for each erase group of the plurality of erase groups;
• allocating, prior to a memory condition that comprises a first erase group having more than a threshold number of write/erase actions being met, memory resources of the memory sub-system by erase group based on a first set of criteria, wherein the first set of criteria is based at least in part on the bad block association for each erase group in order to prioritize use of erase groups with fewer bad blocks;
• determining that the memory condition has been met as part of operation of the memory sub-system;
• and
• allocating, based on the memory condition being met, the memory resources of the memory sub-system by erase group according to a second set of criteria, wherein the second set of criteria allocates the memory resources irrespective of the bad block association for each erase group after the determining that the memory condition has been met.