index (new solr core webgraph) .. this is now off by default
- completely redesigned this servlet
- added description how to attach a remote solr
- adjusted naming of servlet and menues
- moved 'lazy initialization' attribut from IndexSchema to
IndexFederated (this is a general option) back again.
log4j-over-slf4j is there. From slf4j all loggings are routed to the jdk
logger. Now all loggings are consistently done to the jdk logger.
- added some lines to the logging properties to suppress many solr
logging statements. The number of the logging entries had already become
a performance issue, therefore removing these from the log should
increase performance.
Conflicts:
htroot/IndexFederated_p.html
source/net/yacy/cora/federate/solr/YaCySchema.java
source/net/yacy/peers/Protocol.java
source/net/yacy/search/Switchboard.java
source/net/yacy/search/index/Segment.java
also moved portalsearch-dev to yacy-portalsearch to be able to fix
problems with new attachment to solr of the search widget
The default schema uses only some of them and the resting search index
has now the following properties:
- webgraph size will have about 40 times as much entries as default
index
- the complete index size will increase and may be about the double size
of current amount
As testing showed, not much indexing performance is lost. The default
index will be smaller (moved fields out of it); thus searching
can be faster.
The new index will cause that some old parts in YaCy can be removed,
i.e. specialized webgraph data and the noload crawler. The new index
will make it possible to:
- search within link texts of linked but not indexed documents (about 20
times of document index in size!!)
- get a very detailed link graph
- enhance ranking using a complete link graph
To get the full access to the new index, the API to solr has now two
access points: one with attribute core=collection1 for the default
search index and core=webgraph to the new webgraph search index. This is
also avaiable for p2p operation but client access is not yet
implemented.
structure, but is not filled yet. To have the opportunity of a second
core, multi-core functionality had to be implemented to the
deep-embedded solr:
- migrated the solr_40 directory content to a subdirectory
'collection1'; the previously used default core is now called
collection1
- added solr_40/webgraph subdirectory as second core
- added a servlet configuration for the second core 'webgraph' in
/IndexSchema_p.html
- added instance handling as addition to solr connections: all solr
connectors are now instances of an solr 'instance' object; this required
a complete re-design of the solr embedding
- migrated also caching and sharding ontop of new instance handling
- migrated the search apis to handle now the access to a specific core,
the default core named 'collection1'
- migrated the remote solr search interface to access shards of cores;
for the yacy remote search the default core is now called 'solr'; using
the peer address as solr address
- migrated the solr backup and restore process: old backups cannot be
used after this migration!
- redesign of solr instance handling in all methods which access the
instances: they cannot hold copies of these instances any more; the must
retrieve the actuall connection object every time they want to write to
it (this solves also some bugs when switching the index/network)
- added another schema 'solr.webgraph.schema', the old solr.keys.list is
replaced by solr.collection.schema
multiple solr cores instead of just one. Therefore it is now necessary
to distuingish between solr server connections (called an 'Instance')
and a connection to a single solr core. One Instance may now have
multiple connector classes assigned to it, each connecting to a single
core.
To support multiple cores it is also necessary to distinguish between
the connection configuration and the configuration of the index schema.
We will have multiple schema configurations in the future, each for
every solr core. This caused that the IndexFederated servlet had to be
split into two parts, the new Servlet for the Schema editor is now in
the IndexSchema Servlet.
Solr search interface in such way that it is possible to use this
interface for the yacyinteractive search. This search interface is now
much faster using the Solr search directly. For the Solr interface it
was necessary to create a translation from the YaCy search modifiers to
the Solr facet selection. This was added in such a way that it becomes
generic for the normal YaCy search and as a on-top evaluation for Solr
queries.
- to prevent following log if YaCy was previously not properly shutdown
E ... STARTUP WARNING: the file C:\src\git\yacy-rc1\DATA\yacy.running exists, this usually means that a YaCy instance is still running
E ... STARTUP FATAL ERROR: java.util.concurrent.TimeoutException
java.util.concurrent.ExecutionException: java.util.concurrent.TimeoutException
at net.yacy.cora.protocol.TimeoutRequest.call(TimeoutRequest.java:91)
at net.yacy.cora.protocol.TimeoutRequest.ping(TimeoutRequest.java:112)
at net.yacy.yacy.startup(yacy.java:200)
at net.yacy.yacy.main(yacy.java:638)
Caused by: java.util.concurrent.TimeoutException
- adjust Netbeans path (to solr4.1.jars)
YaCy; YaCy is still running and the user additionally expect that
another doubleclick on the YaCy icon simply opens the search windows
(again) I decided to add a function that complies to the expectation to
the user: simply open the browser pop-up page again if the user starts
YaCy while YaCy is still running.
Michael Peter Christen