Thank you James. Are there any examples of SortedMapBackedCache? I am new to Solr and I do not find many tutorials in this regard. I just modified the examples and they worked for me. What is a good way to learn these basics? O. O.
Dyer, James-2 wrote > See https://issues.apache.org/jira/browse/SOLR-2943 . You can set up 2 > DIH handlers. The first would query the "CAT_TABLE" and save it to a > disk-backed cache, using DIHCacheWriter. You then would replace your 3 > child entities in the 2nd DIH handler to use DIHCacheProcessor to read > back the cached data. This is a little complicated to do, but it would > let you just cache the data once and because it is disk-backed, will scale > to whatever size the CAT_TABLE is. (For some details, see this thread: > http://lucene.472066.n3.nabble.com/DIH-nested-entities-don-t-work-tt4015514.html) > > A simpler method is simply to specify "cacheImpl=SortedMapBackedCache" on > the 3 child entities. (This is the same as using > CachedSqlEntityProcessor.) It would generate 3 in-memory caches, each > with the same data. If CAT_TABLE is small, this would be adequate. > > In between this would be to create a disk-backed cache Impl (or use the > ones at SOLR-2613 or SOLR-2948) and specify it on "cacheImpl". It would > still create 3 identical caches, but they would be disk-backed and could > scale beyond what in-memory can handle. > > James Dyer > Ingram Content Group > (615) 213-4311 -- View this message in context: http://lucene.472066.n3.nabble.com/Speed-up-import-of-Hierarchical-Data-tp4063924p4064040.html Sent from the Solr - User mailing list archive at Nabble.com.
