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If a view group is compacting and the corresponding database
is shutdown by the LRU system, then the view compaction is
aborted because its couch view group process shutdowns.
This could lead to situations where the number of active
databases is much higher than max_dbs_open and making it
impossible to compact view groups.
Issue reported and patch tested by Mike Leddy. Thanks.
COUCHDB-1283
This is a backport of revision 1171328 from branch 1.2.x
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Fix dead lock case in the os process pool
Part of this patch was done by Paul Davis.
The patch also introduces a test case to validate that
the os process pool (couch_query_servers) operates as it
should.
Closes COUCHDB-1246.
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add an etap test for btree traversal callbacks
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Includes a one-line whitespace fix.
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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.
backported from trunk@1065471
Conflicts:
src/couchdb/couch_key_tree.erl
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add 072-cleanup.t to etap Makefile.am
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_view_cleanup with no _design docs - COUCHDB-1136
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This reduces the chance that these tests fail due to
timing differences by avoding booting of an Erlang
VM as an os daemon.
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Make sure view group shutdowns when database is deleted or dies
Added more assertions to test 200-view-group-no-db-leaks.t to ensure
this doesn't happen anymore.
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This is a backport of 1097300 from trunk.
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values in the config system which isn't guaranteed.
Make vhost test cases more robust.
Closes COUCHDB-1103
Source patch by Benoit and tests patch by me.
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VPATH builds are teh awesome.
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View groups: only open the databases when needed
View groups keep the databases open all the time. This is a problem
once the server reaches max_dbs_open open databases, as it prevents
the server from closing inactive databases via the LRU system.
Closes COUCHDB-1138.
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This test doesn't exist in this branch and was accidently added
in revision 1096099.
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This is a backport of 1096098 from trunk.
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Backport of 1095581 from trunk.
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Partial backport of 1066932 from trunk.
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Don't set Content-Encoding headers with value "identity"
This is dictated by RFC 2616 and causes problems with Microsoft's ISA 2006 proxy.
Closes COUCHDB-1128.
Thanks Paul Davis and Andrew Gleave.
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Closes COUCHDB-1056
Patch by Randall Leeds.
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This prevents the tests from failing when another instance of CouchDB
is already running on the same machine.
Also merging in the fixup of the _error resource from r1066590.
COUCHDB-1049
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Content-Length and the HTTP body are returned as 0 and an empty binary
instead of undefined.
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This patch ensures that we only ever merge a linear path into the tree.
It relies on the stemming code to collapse paths that could have been
merged together by a recursive use of merge_one.
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Make sure attachments get compressed when their MIME type lists parameters
Closes COUCHDB-996.
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This commit represents a substantial refactor of the key tree merging
logic, some of which is not strictly necessary for the resolution of
COUCHDB-968.
Two etap test cases checking the ability to merge in a non-linear tree
are removed because the functionality is no longer supported. CouchDB
only ever merged a linear revision history into an existing revision
tree.
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counters don't get unreleased forever because of a
continuous (or long) replication is going on.
Same type of issue as in COUCHDB-926.
Thanks Adam Kocoloski for some suggestions.
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function mochiweb_request:accepts_content_type/1.
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bytes length prefix only in the first file read operation.
For reads of small terms/iolist (up to 8Kbs), this speeds up the whole operation. No impact on larger terms/iolists.
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Closes COUCHDB-930.
Patch by Juuso Väänänen. Thanks.
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I must've tried to set svn:executable before doing an svn add.
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The second of two new features to replace the _externals protocols. This
allows users to configure CouchDB to proxy requests to an external HTTP
server. The external HTTP server is not required to be on the same host
running CouchDB.
The configuration looks like such:
[httpd_global_handlers]
_google = {couch_httpd_proxy, handle_proxy_req, <<"http://www.google.com">>}
You can then hit this proxy at the url:
http://127.0.0.1:5984/_google
If you add any path after the proxy name, or make a request with a query
string, those will be appended to the URL specified in the configuration.
Ie:
http://127.0.0.1:5984/_google/search?q=plankton
would translate to:
http://www.google.com/search?q=plankton
Obviously, request bodies are handled as expected.
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This is a simple feature that allows useres to configure CouchDB
so that it maintains a given OS level process alive. If the process
dies for any reason, CouchDB will restart it. If the process restarts
too often, then CouchDB will mark it has halted and not attempt
to restart it. The default max restart rate is three times in the
last five seconds. These parameters are adjustable.
Commands that are started in this manner will have access to a simple
API over stdio to request configuration parameters or to add log
statements to CouchDB's logs.
To configure an OS process as a CouchDB os_daemon, create a section
in your local.ini like such:
[os_daemons]
daemon_name = /path/to/command -with args
This will make CouchDB bring up the command and attempt to keep it
alive. To request a configuration parameter, an os_daemon can write
a simple JSON message to stdout like such:
["get", "os_daemons"]\n
which would return:
{"daemon_name": "/path/to/command -with args"}
Or:
["get", "os_daemons", "daemon_name"]\n
which would return:
"/path/to/command -with args"
There's no restriction on what configuration variables are visible.
There's also no method for altering the configuration.
If you would like your OS daemon to be restarted in the event that
the configuration changes, you can send the following messages:
["register", $(SECTION)]\n
When anyting in that section changes, your OS process will be
rebooted so it can pick up the new configuration settings. If you
want to listen for changes on a specific key, you can send something
like:
["register", $(SECTION), $(KEY)]\n
In this case, CouchDB will only restart your daemon if that exact
section/key pair changes, instead of anything in that entire section.
Logging commands look like:
["log", $(JSON_MESSAGE)]\n
Where $(JSON_MESSAGE) is arbitrary JSON data. These messages are
logged at the 'info' level. If you want to log at a different level
you can pass messages like such:
["log", $(JSON_MESSAGE), {"level": $(LEVEL)}]\n
Where $(LEVEL) is one of "debug", "info", or "error".
When implementing a daemon process to be managed by CouchDB you
should remember to use a method like checking the parent process
id or if stdin has been closed. These flags can tell you if
your daemon process has been orphaned so you can exit cleanly.
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/db/_design/test or even example.com/test = /db/_design/test and other
stuff already possible with vhost manager.
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environment variable. use ":" instead. use ":" instead like we do in
_rewrite handler. like we do in _rewrite handler.
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Attachments are upgraded to support the Range header on compaction.
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wildcard in vhost and dynamic routing via pattern matching. Close
#COUCHDB-855.
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updates function.
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