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

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Dhruba Borthakur f4c2b7cf97 Enhance ReadOnly mode to process the all committed transactions. ... Summary: Leveldb has an api OpenForReadOnly() that opens the database in readonly mode. This call had an option to not process the transaction log. This patch removes this option and always processes all transactions that had been committed. It has been done in such a way that it does not create/write to any new files in the process. The invariant of "no-writes" to the leveldb data directory is still true. This enhancement allows multiple threads to open the same database in readonly mode and access all trancations that were committed right upto the OpenForReadOnly call. I changed the public API to match the new semantics because there are no users who are currently using this api. Test Plan: make clean check Reviewers: sheki Reviewed By: sheki CC: leveldb Differential Revision: https://reviews.facebook.net/D7479		12 years ago
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c.h	Added bloom filter support.	13 years ago
cache.h	Print the block cache size in the LOG.	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	Move WAL files to archive directory, instead of deleting.	12 years ago
filter_policy.h	Added bloom filter support.	13 years ago
iterator.h	A number of fixes:	13 years ago
options.h	Move WAL files to archive directory, instead of deleting.	12 years ago
slice.h	manifest_dump: Add --hex=1 option	12 years ago
statistics.h	Metrics: record compaction drop's and bloom filter effectiveness	12 years ago
status.h	build shared libraries; updated version to 1.3; add Status accessors	13 years ago
table.h	Trigger read compaction only if seeks to storage are incurred.	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