On Mon, Apr 08, 2024 at 04:16:52PM +0000, Justin Tobler via GitGitGadget wrote: > Hello again, > > This is the sixth version my patch series that refactors the reftable > compaction strategy to instead follow a geometric sequence. Changes compared > to v5: > > * Reworded commit message to more clearly explain that the already existing > configuration to disable auto-compaction is being exposed to callers of > the library. > * Simplified expression to set the disable_auto_compact configuration. > > Thanks for taking a look! Thanks, this version looks good to me! Patrick > -Justin > > Justin Tobler (3): > reftable/stack: expose option to disable auto-compaction > reftable/stack: add env to disable autocompaction > reftable/stack: use geometric table compaction > > refs/reftable-backend.c | 3 + > reftable/reftable-writer.h | 3 + > reftable/stack.c | 125 +++++++++++++++++++------------------ > reftable/stack.h | 4 -- > reftable/stack_test.c | 77 ++++++----------------- > t/t0610-reftable-basics.sh | 71 ++++++++++++++++----- > 6 files changed, 145 insertions(+), 138 deletions(-) > > > base-commit: 4b32163adf4863c6df3bb6b43540fa2ca3494e28 > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1683%2Fjltobler%2Fjt%2Freftable-geometric-compaction-v6 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1683/jltobler/jt/reftable-geometric-compaction-v6 > Pull-Request: https://github.com/gitgitgadget/git/pull/1683 > > Range-diff vs v5: > > 1: a7011dbc6aa ! 1: 9c8f6b336ec reftable/stack: allow disabling of auto-compaction > @@ Metadata > Author: Justin Tobler <jltobler@xxxxxxxxx> > > ## Commit message ## > - reftable/stack: allow disabling of auto-compaction > + reftable/stack: expose option to disable auto-compaction > + > + The reftable stack already has a variable to configure whether or not to > + run auto-compaction, but it is inaccessible to users of the library. > + There exist use cases where a caller may want to have more control over > + auto-compaction. > > Move the `disable_auto_compact` option into `reftable_write_options` to > - allow a stack to be configured with auto-compaction disabled. In a > - subsequent commit, this is used to disable auto-compaction when a > - specific environment variable is set. > + allow external callers to disable auto-compaction. This will be used in > + a subsequent commit. > > Signed-off-by: Justin Tobler <jltobler@xxxxxxxxx> > > 2: 7c4fe0e9ec5 ! 2: c7bc7346540 reftable/stack: add env to disable autocompaction > @@ refs/reftable-backend.c > > /* > @@ refs/reftable-backend.c: static struct ref_store *reftable_be_init(struct repository *repo, > + refs->write_options.block_size = 4096; > refs->write_options.hash_id = repo->hash_algo->format_id; > refs->write_options.default_permissions = calc_shared_perm(0666 & ~mask); > ++ refs->write_options.disable_auto_compact = > ++ !git_env_bool("GIT_TEST_REFTABLE_AUTOCOMPACTION", 1); > > -+ if (!git_env_bool("GIT_TEST_REFTABLE_AUTOCOMPACTION", 1)) > -+ refs->write_options.disable_auto_compact = 1; > -+ > /* > * Set up the main reftable stack that is hosted in GIT_COMMON_DIR. > - * This stack contains both the shared and the main worktree refs. > > ## t/t0610-reftable-basics.sh ## > @@ t/t0610-reftable-basics.sh: test_expect_success 'ref transaction: writes cause auto-compaction' ' > 3: 8f124acf0f8 = 3: d75494a88b0 reftable/stack: use geometric table compaction > > -- > gitgitgadget
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