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Improved _active_tasks API
Tasks are now free to set any properties they wish (as an
Erlang proplist). Different tasks can have different properties
and the status string doesn't exist anymore - instead client
applications can build it using more granular properties from
_active_tasks. Some of these properties are:
1) "progress" (an integer percentage, for all tasks)
2) "database" (for compactions and indexer tasks)
3) "design_document" (for indexer and view compaction tasks)
4) "source" and "target" (for replications)
5) "docs_read", "docs_written", "doc_write_failures",
"missing_revs_found", "missing_revs_checked", "source_seq",
"checkpointed_source_seq" and "continuous" for replications
BugzID: 14269
Conflicts:
apps/couch/src/couch_db_updater.erl
apps/couch/src/couch_rep.erl
apps/couch/src/couch_task_status.erl
apps/couch/src/couch_view_compactor.erl
apps/couch/src/couch_view_updater.erl
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Conflicts:
apps/couch/include/couch_db.hrl
apps/couch/src/couch_db.erl
apps/couch/src/couch_os_process.erl
apps/couch/src/couch_query_servers.erl
apps/couch/src/couch_rep.erl
apps/couch/src/couch_replication_manager.erl
apps/couch/src/couch_view_compactor.erl
apps/couch/src/couch_view_group.erl
apps/couch/src/couch_view_updater.erl
configure.ac
couchjs/c_src/http.c
couchjs/c_src/main.c
couchjs/c_src/utf8.c
etc/windows/couchdb.iss.tpl
src/couchdb/priv/Makefile.am
src/couchdb/priv/couch_js/main.c
test/etap/160-vhosts.t
test/etap/200-view-group-no-db-leaks.t
test/etap/Makefile.am
BugzID: 12645
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This patch causes the view_updater to wait until either a minimum
number of items or a maximum process memory size has been reached
before committing the changes to disk.
See COUCHDB-700 for discussion
BugzID: 11885
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- Removal of couch_db and couch_ref_counter processes. Active DBs are
accessible through a protected ets table owned by couch_server.
- #full_doc_info{} in by_id and by_seq trees for faster compaction at the
expense of more disk usage afterwards. Proposed as COUCHDB-738 but not
accepted upstream.
- Replication via distributed Erlang.
- Better hot upgrade support (uses exported functions much more often).
- Configurable btree chunk sizes allow for larger (but still bounded)
reductions.
- Shorter names for btree fields in #db{} and #db_header{}.
- couch_view_group does not keep a reference to the #db{}.
- Terms are stored compressed (again).
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