Hi shawn, Please find comment in line.
On Thu, Jun 4, 2015 at 6:48 PM, Shawn Heisey <apa...@elyograg.org> wrote: > On 6/4/2015 5:15 AM, Midas A wrote: > > I have some indexing issue . While indexing IOwait is high in solr server > > and load also. > > My first suspect here is that you don't have enough RAM for your index > size. > > * How many total docs is Solr handling (all cores)? > --30,00000 dos > * What is the total size on disk of all your cores? > -- 600 GB > * How much RAM does the machine have? > --48 GB > * What is the java max heap? > --30 GB(jvm) > Here is some additional information on memory requirements for Solr: > > https://wiki.apache.org/solr/SolrPerformanceProblems#RAM > > When Alessandro asked about the load on Solr, the hope was to find out > your *rate* of indexing and querying, not the load average from the > operating system. Indexing requires a fair amount of heap memory and > CPU resources. If your heap is too small, then Java might have to work > extremely hard to free up memory for normal operation. > > Thanks, > Shawn > >