fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Chip Turner 3dafdfb2c4 Use fallocate to prevent excessive allocation of sst files and logs ... Summary: On some filesystems, pre-allocation can be a considerable amount of space. xfs in our production environment pre-allocates by 1GB, for instance. By using fallocate to inform the kernel of our expected file sizes, we eliminate this wasteage (that isn't recovered until the file is closed which, in the case of LOG files, can be a considerable amount of time). Test Plan: created an xfs loopback filesystem, mounted with allocsize=4M, and ran db_stress. LOG file without this change was 4M, and with it it was 128k then grew to normal size. Reviewers: dhruba Reviewed By: dhruba CC: adsharma, leveldb Differential Revision: https://reviews.facebook.net/D7953		12 years ago
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c.h	Various build cleanups/improvements	12 years ago
cache.h	Fix a number of object lifetime/ownership issues	12 years ago
comparator.h	A number of fixes:	13 years ago
db.h	Enhance ReadOnly mode to process the all committed transactions.	12 years ago
env.h	Use fallocate to prevent excessive allocation of sst files and logs	12 years ago
filter_policy.h	Added bloom filter support.	13 years ago
iterator.h	A number of fixes:	13 years ago
options.h	Use fallocate to prevent excessive allocation of sst files and logs	12 years ago
slice.h	manifest_dump: Add --hex=1 option	12 years ago
statistics.h	Add counters to count gets and writes	12 years ago
status.h	Added an API in rocksdb for checking for "invalid argument" and "not supported" for leveldb::Status	12 years ago
table.h	Fix a number of object lifetime/ownership issues	12 years ago
table_builder.h	Fix all the lint errors.	12 years ago
transaction_log_iterator.h	GetSequence API in write batch.	12 years ago
types.h	GetUpdatesSince API to enable replication.	12 years ago
write_batch.h	Enhancements to rocksdb for better support for replication.	12 years ago