Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread Shawn Heisey
On 5/6/2015 8:55 AM, adfel70 wrote: > Thank you for the detailed answer. > How can I decrease the impact of opening a searcher in such a large index? > especially the impact of heap usage that causes OOM. See the wiki link I sent. It talks about some of the things that require a lot of heap and w

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread adfel70
> allocations, which is any allocation larger than half the G1 region > size. The max configurable G1 region size is 32MB. You should use the > CMS collector for your GC tuning, not G1. If you can reduce the number > of documents in each shard, G1 might work well. > > Thanks, > Shawn -- View this message in context: http://lucene.472066.n3.nabble.com/severe-problems-with-soft-and-hard-commits-in-a-large-index-tp4204068p4204148.html Sent from the Solr - User mailing list archive at Nabble.com.

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread Shawn Heisey
On 5/6/2015 1:58 AM, adfel70 wrote: > I have a cluster of 16 shards, 3 replicas. the cluster indexed nested > documents. > it currently has 3 billion documents overall (parent and children). > each shard has around 200 million docs. size of each shard is 250GB. > this runs on 12 machines. each mach

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread adfel70
mits or >> hardcommits(opensearcher=true) occur with a small interval one after >> another >> (around 5-10minutes), I start getting many OOM exceptions. >> >> >> Thank you. >> >> >> >> -- >> View this message in context: >> htt

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread adfel70
memory exception", you are doing > non-trivial faceting. Are you using DocValues, as Marc suggested? > > > - Toke Eskildsen, State and University Library, Denmark -- View this message in context: http://lucene.472066.n3.nabble.com/severe-problems-with-soft-and-hard-commits-in-a-large-index-tp4204068p4204088.html Sent from the Solr - User mailing list archive at Nabble.com.

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread Dmitry Kan
one after > another > (around 5-10minutes), I start getting many OOM exceptions. > > > Thank you. > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/severe-problems-with-soft-and-hard-commits-in-a-large-index-tp4204068.html > Sent fr

Re: severe problems with soft and hard commits in a large index

2015-05-06 Thread Toke Eskildsen
On Wed, 2015-05-06 at 00:58 -0700, adfel70 wrote: > each shard has around 200 million docs. size of each shard is 250GB. > this runs on 12 machines. each machine has 4 SSD disks and 4 solr processes. > each process has 28GB heap. each machine has 196GB RAM. [...] > 1. heavy GCs when soft commit

severe problems with soft and hard commits in a large index

2015-05-06 Thread adfel70
start getting many OOM exceptions. Thank you. -- View this message in context: http://lucene.472066.n3.nabble.com/severe-problems-with-soft-and-hard-commits-in-a-large-index-tp4204068.html Sent from the Solr - User mailing list archive at Nabble.com.