Yup, it looks like the percentage over Xmx. See https://github.com/apache/lucene-solr/blob/branch_7_1/solr/core/src/java/org/apache/solr/handler/admin/SystemInfoHandler.java#L300-L317
double percentUsed = ((double)(used)/(double)max)*100; where max = runtime.maxMemory(); And maxMemory is as seen here: https://docs.oracle.com/javase/7/docs/api/java/lang/Runtime.html#maxMemory() Cheers, Edward On Tue, Sep 24, 2019 at 2:37 AM Paras Lehana <paras.leh...@indiamart.com> wrote: > > Hi, Jayadevan > > 2 GB is not 11.8% of 3.8 GB. > > > This is an interesting observation. I also confirmed the ambiguity on my > machine: > > "memory":"4 GB (%26.3) of 7.7 GB" > > > My JVM heap config is: > > -Xms8g -Xmx16g > > > So, this 26.3% could be of the* max available heap space* *(*)* allocated > to solr process (java). Since, current memory usage is under Xms (8G), > current heap size is correctly reported. But it seems that the percentage > usage is being reported as per the possible max heap space that could be > allocated to solr (16G). > > Thus, can I ask you to share your JVM heap config or confirm the maths with > that yourself? *I guess you Xms is 4G while Xmx is probably around 16G. * > > PS: I also tried to inspect the source code of solr script in bin to find > exactly what "memory" key reports and this is what I could find: > > run_tool status -solr "$SOLR_URL_SCHEME://$SOLR_TOOL_HOST:$port/solr > > > And I could not go past this. Maybe someone who had gone deeper into the > source code could confirm about* (*)*. > > On Tue, 24 Sep 2019 at 09:50, Jayadevan Maymala <jayade...@ftltechsys.com> > wrote: > > > Hi, > > > > I just tried service solr status on my CentOS machine. It gave this output > > for memory utilization - > > "memory":"2 GB (%11.8) of 3.8 GB", > > 2 GB is not 11.8% of 3.8 GB. Is it that I am not understanding the output > > correctly? > > > > Solr Version - 7.3.0 > > CentOS 7.7 > > > > Regards, > > Jayadevan > > > > > -- > -- > Regards, > > *Paras Lehana* [65871] > Software Programmer, Auto-Suggest, > IndiaMART Intermesh Ltd. > > 8th Floor, Tower A, Advant-Navis Business Park, Sector 142, > Noida, UP, IN - 201303 > > Mob.: +91-9560911996 > Work: 01203916600 | Extn: *8173* > > -- > IMPORTANT: > NEVER share your IndiaMART OTP/ Password with anyone.
