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fast-import: make default pack size unlimited
Now that fast-import is creating packs with index version 2, there is no point limiting the pack size by default. A pack split will still happen if off_t is not sufficiently large to hold large offsets. While updating the doc, let's remove the "packfiles fit on CDs" suggestion. Pack files created by fast-import are still suboptimal and a 'git repack -a -f -d' or even 'git gc --aggressive' would be a pretty good idea before considering storage on CDs. Signed-off-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -45,10 +45,7 @@ OPTIONS
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--max-pack-size=<n>::
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Maximum size of each output packfile.
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The default is 4 GiB as that is the maximum allowed
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packfile size (due to file format limitations). Some
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importers may wish to lower this, such as to ensure the
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resulting packfiles fit on CDs.
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The default is unlimited.
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--big-file-threshold=<n>::
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Maximum size of a blob that fast-import will attempt to
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@ -191,7 +191,7 @@ struct mark_set
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struct last_object
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{
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struct strbuf data;
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uint32_t offset;
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off_t offset;
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unsigned int depth;
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unsigned no_swap : 1;
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};
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@ -279,7 +279,7 @@ struct recent_command
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/* Configured limits on output */
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static unsigned long max_depth = 10;
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static off_t max_packsize = (1LL << 32) - 1;
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static off_t max_packsize;
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static uintmax_t big_file_threshold = 512 * 1024 * 1024;
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static int force_update;
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static int pack_compression_level = Z_DEFAULT_COMPRESSION;
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@ -315,7 +315,7 @@ static unsigned int pack_id;
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static struct sha1file *pack_file;
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static struct packed_git *pack_data;
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static struct packed_git **all_packs;
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static unsigned long pack_size;
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static off_t pack_size;
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/* Table of objects we've written. */
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static unsigned int object_entry_alloc = 5000;
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@ -1068,7 +1068,7 @@ static int store_object(
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deflateEnd(&s);
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/* Determine if we should auto-checkpoint. */
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if ((pack_size + 60 + s.total_out) > max_packsize
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if ((max_packsize && (pack_size + 60 + s.total_out) > max_packsize)
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|| (pack_size + 60 + s.total_out) < pack_size) {
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/* This new object needs to *not* have the current pack_id. */
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@ -1101,7 +1101,7 @@ static int store_object(
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crc32_begin(pack_file);
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if (delta) {
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unsigned long ofs = e->idx.offset - last->offset;
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off_t ofs = e->idx.offset - last->offset;
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unsigned pos = sizeof(hdr) - 1;
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delta_count_by_type[type]++;
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@ -1170,7 +1170,7 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
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int status = Z_OK;
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/* Determine if we should auto-checkpoint. */
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if ((pack_size + 60 + len) > max_packsize
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if ((max_packsize && (pack_size + 60 + len) > max_packsize)
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|| (pack_size + 60 + len) < pack_size)
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cycle_packfile();
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