On 18/08/2021 11:39, Han-Wen Nienhuys wrote: > On Wed, Aug 18, 2021 at 12:14 PM Philip Oakley <philipoakley@iee.email> wrote: >> On 17/08/2021 14:39, Han-Wen Nienhuys via GitGitGadget wrote: >>> From: Han-Wen Nienhuys <hanwen@xxxxxxxxxx> >>> >>> This will be needed for reading reflog blocks in reftable. >> How large might the reftable become? In particular will it exceed the >> 32bit Long limit on Windows? > A reftable file is organized as a sequence of blocks. Each block has > max size 2^24, and the zlib compression is done per-block. So zlib > should not introduce a new 4G limit. The intra-file offsets for the > blocks themselves are encoded either as varint (index values) or as > uint64 (file footer), so reftable files beyond 4G should be no > problem. > Thanks, that's good to know for planning any Git upgrade to cope with 4GB file sizes on Windows. Philip
