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Required to run 030-doc-from-json.t
BugzID: 14419
Conflicts:
Makefile
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Conflicts:
apps/couch/include/couch_db.hrl
apps/couch/src/couch_server_sup.erl
rebar.config
rel/reltool.config
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Conflicts:
apps/couch/src/couch_view_compactor.erl
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Always report it as "design_document":"_design/foo"
BugzID: 14562
Conflicts:
apps/couch/src/couch_view_compactor.erl
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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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It doesn't exist.
BugzID: 13299
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BugzID: 13940
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Previously we didn't check if an os_process was in use by a process
before closing it. This ended up generating noproc errors in the
couch_view_updaters which would then spider out to the couch_view_group
processes causing client errors and resetting compaction.
BugzId: 13798
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We have observed periods of couchjs processes spiking into the hundreds
and thousands for short periods of time since the new couch_proc_manager
was released. Today I happened to catch one in the act and poked at
couch_proc_manager's ets table. There seemed to be a few more couchjs
processes with clients than I would have expected so I skimmed the code
looking for a place where we didn't clear the client value (which would
prevent it from being reused so that it would eventually just timeout).
I found a case where if the Pid that checked out the process dies
without the OS process dying, we were forgetting to clear the client in
the ets table. This patch refactors the two places we return processes
into a single function call which clears the OS process client.
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* Design doc languages are converted to lists
* Make sure to monitor every client correctly
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I misread the docs on what was expected for ets:select_receive/3.
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For large numbers of os processes its possible that we have a slowdown
when requesting a new process. The old code matches all possible
processes out of the table to find an appropriate candidate.
We avoid the issue by using ets:select_reverse to also prefer keeping
newer processes and releasing longer lived processes. Length of life is
based on the implicit sorting of pids having newer pids sorting larger.
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Otherwise we'll never reuse it
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When system load exceeds the ability of os_process_soft_limit to keep
up with demand we enter a fork-use-kill (FUK) cycle. The constant
spawning and destruction os these processes thrashes system resources
and causes general instability.
This patch changes the behavior from killing each process as its
returned to letting it idle for a configurable amount of time (default
five minutes) which allows it to be reused by other clients. This way we
can avoid adding unnecessary load when demand for couchjs processes
exceeds os_process_soft_limit.
As a happy benefit this should also allow os_process_soft_limit to be
set much lower since the number of processes will now more closely
follow actual demand (instead of provisioning for the worst case
scenario).
Conflicts:
apps/couch/src/couch_os_process.erl
apps/couch/src/couch_proc_manager.erl
Conflicts:
apps/couch/src/couch_os_process.erl
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Our current implementation for closing an LRU DB involves a full scan
of a public ets table. This scan blocks all other activity in
couch_server and can become a serious bottleneck when the LRU cache hit
rate drops too low. In the worst-case all_dbs_active scenario we end up
with O(N**2) algorithmic complexity.
This patch adds a new index keyed on LRU for faster access to the least
recently used databases. It also moves the ets table to a dict on the
couch_server heap. The downside is an increased message rate inbound on
the couch_server, as clients are no longer allowed to update the LRU
data structures without sending a message.
BugzID: 12879
Conflicts:
apps/couch/src/couch_server.erl
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When a call is made to retrieve a specific revision, latest=true will
retrieve any descendent leaves instead. This enables the replicator to
better keep up with edits that occur whilst it's retrieving revisions
BugzID: 14241
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We were pulling a list of design documents and then ignoring the result
when the #db was a partition of a clustered database. Also, the call to
fabric:reset_validation_funs/1 can occasionally cause a stray rexi_EXIT
message to arrive in the db_updater mailbox (and subsequently kill the
server) if a worker fails. I don't think that's desired behavior,
though it's a debatable point. This patch spawns a middleman process to
act as a sink for those stray messages.
BugzID: 13087
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This patch also adds extra tests of the key tree merging logic as well
as edoc-formatted documentation for the module and a few of the merge
functions. Closes COUCHDB-902.
Thanks Paul Davis, Bob Dionne, Klaus Trainer.
git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@1065471 13f79535-47bb-0310-9956-ffa450edef68
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Allow ?callback= for any external that returns json (i.e,
uses "json":{} instead of "data":"data".
BugzID: 12748
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...but log a message instead. Fixes COUCHDB-1445.
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It's not safe to assume we require, or will receive, exactly N replies
(where N is read from the "n" key of the "cluster" section of the
configuaration). This needs proper fabric-ification.
This commit will at least allow replication tests with clusters of
less than N nodes where the documents have attachments (which triggers
the multipart code).
BugzID: 14258
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Conflicts:
apps/couch/src/couch_rep.erl
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This reverts commit faf9071260147275bbac1633b599e85b4a302e8b.
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Allow building on Gentoo
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Modify SConscript so that it recognizes the standard name for the
mozjs/spidermonkey lib on gentoo.
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