diff --git a/target/product/virtual_ab_ota/vabc_features.mk b/target/product/virtual_ab_ota/vabc_features.mk index 3f484e4f3e..1219763b0d 100644 --- a/target/product/virtual_ab_ota/vabc_features.mk +++ b/target/product/virtual_ab_ota/vabc_features.mk @@ -34,6 +34,21 @@ PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.xor.enabled=true PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.batch_writes=true +# Low memory device configurations. If memory usage and cpu utilization is +# a bottleneck during OTA, the below configurations can be added to a +# device's .mk file improve performance for low mem devices. Disabling +# ro.virtual_ab.compression.xor.enabled and ro.virtual_ab.io_uring.enabled +# is also recommended +# +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.o_direct.enabled=true +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.merge_thread_priority=19 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.worker_thread_priority=0 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.num_worker_threads=3 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.num_merge_threads=1 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.num_verify_threads=1 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.cow_op_merge_size=16 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.verify_threshold_size=1073741824 +# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.verify_block_size=1048576 # Enabling this property, will improve OTA install time # but will use an additional CPU core