And this stack trace.

[2014-06-04 14:47:12,939][INFO ][cluster.service          ] [BUS2F2801F3] 
master {new 
[ELS-10.76.121.131][dg_r12_nQbqIT_oJfjTwTg][inet[/10.76.121.131:9300]]{data=false,
 
max_local_storage_nodes=1, master=true}, previous 
[ELS-10.76.121.130][BlGygpFmRn6uQNbgiEfl0A][inet[/10.76.121.130:9300]]{data=false,
 
max_local_storage_nodes=1, master=true}}, removed 
{[ELS-10.76.121.130][BlGygpFmRn6uQNbgiEfl0A][inet[/10.76.121.130:9300]]{data=false,
 
max_local_storage_nodes=1, master=true},}, reason: zen-disco-master_failed 
([ELS-10.76.121.130][BlGygpFmRn6uQNbgiEfl0A][inet[/10.76.121.130:9300]]{data=false,
 
max_local_storage_nodes=1, master=true})
[2014-06-04 14:48:03,969][WARN ][monitor.jvm              ] [BUS2F2801F3] 
[gc][old][55503][489] duration [49.6s], collections [1]/[49.9s], total 
[49.6s]/[4.5h], memory [9.9gb]->[9.9gb]/[9.9gb], all_pools {[young] 
[532.5mb]->[532.5mb]/[532.5mb]}{[survivor] 
[51.3mb]->[42.8mb]/[66.5mb]}{[old] [9.3gb]->[9.3gb]/[9.3gb]}
[2014-06-04 14:48:40,256][WARN ][monitor.jvm              ] [BUS2F2801F3] 
[gc][old][55504][490] duration [35.7s], collections [1]/[36.2s], total 
[35.7s]/[4.5h], memory [9.9gb]->[9.9gb]/[9.9gb], all_pools {[young] 
[532.5mb]->[532.5mb]/[532.5mb]}{[survivor] 
[42.8mb]->[58.6mb]/[66.5mb]}{[old] [9.3gb]->[9.3gb]/[9.3gb]}
[2014-06-04 14:49:30,335][WARN ][monitor.jvm              ] [BUS2F2801F3] 
[gc][old][55505][491] duration [49.9s], collections [1]/[50s], total 
[49.9s]/[4.5h], memory [9.9gb]->[9.9gb]/[9.9gb], all_pools {[young] 
[532.5mb]->[532.5mb]/[532.5mb]}{[survivor] 
[58.6mb]->[63.7mb]/[66.5mb]}{[old] [9.3gb]->[9.3gb]/[9.3gb]}
[2014-06-04 14:49:30,350][INFO ][discovery.zen            ] [BUS2F2801F3] 
master_left 
[[ELS-10.76.121.131][dg_r12_nQbqIT_oJfjTwTg][inet[/10.76.121.131:9300]]{data=false,
 
max_local_storage_nodes=1, master=true}], reason [failed to ping, tried [3] 
times, each with  maximum [30s] timeout]
[2014-06-04 14:49:30,865][WARN ][discovery.zen            ] [BUS2F2801F3] 
not enough master nodes after master left (reason = failed to ping, tried 
[3] times, each with  maximum [30s] timeout), current nodes: 
{[ELS-10.76.125.37][j3VQFYDaQLujkprUnke02w][inet[/10.76.125.37:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.38][5V8bqkEzTP2TzMukB5_j-Q][inet[/10.76.122.38:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.48][TGlF1uv8Q5GpgBVvIcvRAQ][inet[/10.76.125.48:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB1ABF7][MqLDnM5mSLqIicIuyJk7IQ][inet[/10.76.122.19:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.120.62][evcNI2CqSs-Zz44Jdzn0aw][inet[/10.76.120.62:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[BUS9364B62][YZPjEsvhT6OjM9ti5Lxwkg][inet[/10.76.123.123:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.38][RyeswSy8SquV5H8Vfsw75Q][inet[/10.76.125.38:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB1200C][XUNaWVlYQUOVZlJMv3nHMA][inet[/10.76.122.18:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.214][H8N9nIU0TKyGv_prKyRVCQ][inet[/10.76.124.214:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1F2240][ET2u1qImQCCvqc-1gRvQbQ][inet[/10.76.120.87:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.40][hp4wvQxER-mMPygey2Iqgg][inet[/10.76.125.40:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.67][BiXop5iCRgGQyGvxazMkQg][inet[/10.76.122.67:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.121.129][pf9xpva7Q4izIy6Nj4S4iQ][inet[/10.76.121.129:9300]]{data=false,
 
max_local_storage_nodes=1, 
master=true},[EDSFB21E69][RabnwdLbT1WCp9gIE-_AXw][inet[/10.76.122.20:9300]]{client=true,
 
data=false, 
master=false},[EDI1AE4FD76][UF1RMWe6RYaZGp6BU3x-VA][inet[/10.76.124.228:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.46][nXceQp40TjOSctChaGVtKw][inet[/10.76.125.46:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1A1EA928][rWlelgQuT7KHSfyIejmLPg][inet[/10.76.120.82:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.121.188][oWldDeY4TJioki90moNySw][inet[/10.76.121.188:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.34][kPSYm9G8R8i_z2skK_jq1g][inet[/10.76.122.34:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.43][JMgOIZFBSzaQZ9bVagG57w][inet[/10.76.125.43:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1AE3EE57][7JHGaYjzS3uI7PLN8Ynm-Q][inet[/10.76.124.227:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.225][nTPlE6IkTHOZ7EThX-hLeQ][inet[/10.76.124.225:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.120.61][_60f636_QsOPIWN0tKyN2A][inet[/10.76.120.61:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[ELS-10.76.125.47][MV8eSvpbRtCS1MAK2iAcVg][inet[/10.76.125.47:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1AB0123F][Di8rrVJMSYm6PVnAVuFnkw][inet[/10.76.124.18:9300]]{client=true,
 
data=false, 
master=false},[BUS936E1B3][Vnr_UCzOTtysBzM6NlhvFA][inet[/10.76.123.122:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.121.186][h8J-VleORCGTU8WbfnIuEw][inet[/10.76.121.186:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1A1EC098][SvH6eHsHRoyz8_PEig46LA][inet[/10.76.120.83:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.122.39][swxUZAjCTCeBZS2-Uo_Bpw][inet[/10.76.122.39:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.120.63][CsOrvy-3SoSewoSnj4Eyzw][inet[/10.76.120.63:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[ELS-10.76.125.45][LZtJHDJ3TQqTbCOnqyFAHw][inet[/10.76.125.45:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.37][TBw4vykLR_uRT76gt23UUQ][inet[/10.76.122.37:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.36][uMjtmuRzQUW9i09Og_DdvQ][inet[/10.76.122.36:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1F0AD0][gskAvZTNSaOVzanxgKi_iA][inet[/10.76.120.86:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.50][jv7xpDnpTiOo21Kg_JgkVw][inet[/10.76.125.50:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.124.223][WeuqeKYaS--2lGGpfgeV7w][inet[/10.76.124.223:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1EDBF0][iLruKxhKQymkiaAKz0GXaw][inet[/10.76.120.84:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.221][nB65C4WGRiSCntVZoovX_Q][inet[/10.76.124.221:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.124.224][fxfz13VnSPOs4lv6BGelPQ][inet[/10.76.124.224:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB2D1AD][TFqeE7LWTvqKOrhSPg3wcg][inet[/10.76.122.21:9300]]{client=true,
 
data=false, 
master=false},[STG0A4C78E2][ls59ftO9TyiKVZvuc6jeRg][inet[/10.76.120.226:9300]]{client=true,
 
data=false, master=false},[BUS2F2801F3][al8pR84OSlOIhnpT0JSJHQ][inet[
BUS2F2801F3.SWLAB.RMSCLOUD.NET/10.76.122.123:9300]]{client=true 
<http://bus2f2801f3.swlab.rmscloud.net/10.76.122.123:9300%5D%5D%7Bclient=true>, 
data=false, 
master=false},[ELS-10.76.124.218][0hShFOjuSvCEmR1LW6jQSQ][inet[/10.76.124.218:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.36][ioXkziSRTRKeml-4oXRNRw][inet[/10.76.125.36:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1DFC2FCE][5Js9J7v7RhCNJx2AhMaQKw][inet[/10.76.121.248:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.49][IeM2iMC4SbuzPWcsgTrR1w][inet[/10.76.125.49:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.35][usJjEG65Tk6D4YnVHz220w][inet[/10.76.122.35:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1EF360][eucRgy56R1uf2BnV6GILZQ][inet[/10.76.120.85:9300]]{client=true,
 
data=false, 
master=false},[EDSF899A97][Mg-eNFm7TuSUutzerCtcLQ][inet[/10.76.122.17:9300]]{client=true,
 
data=false, master=false},}
[2014-06-04 14:50:14,937][WARN ][monitor.jvm              ] [BUS2F2801F3] 
[gc][old][55506][492] duration [44.5s], collections [1]/[44.6s], total 
[44.5s]/[4.5h], memory [9.9gb]->[9.9gb]/[9.9gb], all_pools {[young] 
[532.5mb]->[532.5mb]/[532.5mb]}{[survivor] 
[63.7mb]->[65.9mb]/[66.5mb]}{[old] [9.3gb]->[9.3gb]/[9.3gb]}
[2014-06-04 14:50:14,937][INFO ][cluster.service          ] [BUS2F2801F3] 
removed 
{[ELS-10.76.125.37][j3VQFYDaQLujkprUnke02w][inet[/10.76.125.37:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.38][5V8bqkEzTP2TzMukB5_j-Q][inet[/10.76.122.38:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.48][TGlF1uv8Q5GpgBVvIcvRAQ][inet[/10.76.125.48:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB1ABF7][MqLDnM5mSLqIicIuyJk7IQ][inet[/10.76.122.19:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.120.62][evcNI2CqSs-Zz44Jdzn0aw][inet[/10.76.120.62:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[BUS9364B62][YZPjEsvhT6OjM9ti5Lxwkg][inet[/10.76.123.123:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.38][RyeswSy8SquV5H8Vfsw75Q][inet[/10.76.125.38:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB1200C][XUNaWVlYQUOVZlJMv3nHMA][inet[/10.76.122.18:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.214][H8N9nIU0TKyGv_prKyRVCQ][inet[/10.76.124.214:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1F2240][ET2u1qImQCCvqc-1gRvQbQ][inet[/10.76.120.87:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.40][hp4wvQxER-mMPygey2Iqgg][inet[/10.76.125.40:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.67][BiXop5iCRgGQyGvxazMkQg][inet[/10.76.122.67:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.121.129][pf9xpva7Q4izIy6Nj4S4iQ][inet[/10.76.121.129:9300]]{data=false,
 
max_local_storage_nodes=1, 
master=true},[EDSFB21E69][RabnwdLbT1WCp9gIE-_AXw][inet[/10.76.122.20:9300]]{client=true,
 
data=false, 
master=false},[EDI1AE4FD76][UF1RMWe6RYaZGp6BU3x-VA][inet[/10.76.124.228:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.46][nXceQp40TjOSctChaGVtKw][inet[/10.76.125.46:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1A1EA928][rWlelgQuT7KHSfyIejmLPg][inet[/10.76.120.82:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.121.188][oWldDeY4TJioki90moNySw][inet[/10.76.121.188:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.34][kPSYm9G8R8i_z2skK_jq1g][inet[/10.76.122.34:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.43][JMgOIZFBSzaQZ9bVagG57w][inet[/10.76.125.43:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1AE3EE57][7JHGaYjzS3uI7PLN8Ynm-Q][inet[/10.76.124.227:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.225][nTPlE6IkTHOZ7EThX-hLeQ][inet[/10.76.124.225:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.120.61][_60f636_QsOPIWN0tKyN2A][inet[/10.76.120.61:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[ELS-10.76.125.47][MV8eSvpbRtCS1MAK2iAcVg][inet[/10.76.125.47:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1AB0123F][Di8rrVJMSYm6PVnAVuFnkw][inet[/10.76.124.18:9300]]{client=true,
 
data=false, 
master=false},[BUS936E1B3][Vnr_UCzOTtysBzM6NlhvFA][inet[/10.76.123.122:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.121.186][h8J-VleORCGTU8WbfnIuEw][inet[/10.76.121.186:9300]]{max_local_storage_nodes=1,
 
master=false},[EDI1A1EC098][SvH6eHsHRoyz8_PEig46LA][inet[/10.76.120.83:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.121.131][dg_r12_nQbqIT_oJfjTwTg][inet[/10.76.121.131:9300]]{data=false,
 
max_local_storage_nodes=1, 
master=true},[ELS-10.76.122.39][swxUZAjCTCeBZS2-Uo_Bpw][inet[/10.76.122.39:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.120.63][CsOrvy-3SoSewoSnj4Eyzw][inet[/10.76.120.63:9300]]{client=true,
 
data=false, max_local_storage_nodes=1, 
master=false},[ELS-10.76.125.45][LZtJHDJ3TQqTbCOnqyFAHw][inet[/10.76.125.45:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.37][TBw4vykLR_uRT76gt23UUQ][inet[/10.76.122.37:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.36][uMjtmuRzQUW9i09Og_DdvQ][inet[/10.76.122.36:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1F0AD0][gskAvZTNSaOVzanxgKi_iA][inet[/10.76.120.86:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.50][jv7xpDnpTiOo21Kg_JgkVw][inet[/10.76.125.50:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.124.223][WeuqeKYaS--2lGGpfgeV7w][inet[/10.76.124.223:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1EDBF0][iLruKxhKQymkiaAKz0GXaw][inet[/10.76.120.84:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.221][nB65C4WGRiSCntVZoovX_Q][inet[/10.76.124.221:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.124.224][fxfz13VnSPOs4lv6BGelPQ][inet[/10.76.124.224:9300]]{max_local_storage_nodes=1,
 
master=false},[EDSFB2D1AD][TFqeE7LWTvqKOrhSPg3wcg][inet[/10.76.122.21:9300]]{client=true,
 
data=false, 
master=false},[STG0A4C78E2][ls59ftO9TyiKVZvuc6jeRg][inet[/10.76.120.226:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.124.218][0hShFOjuSvCEmR1LW6jQSQ][inet[/10.76.124.218:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.125.36][ioXkziSRTRKeml-4oXRNRw][inet[/10.76.125.36:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1DFC2FCE][5Js9J7v7RhCNJx2AhMaQKw][inet[/10.76.121.248:9300]]{client=true,
 
data=false, 
master=false},[ELS-10.76.125.49][IeM2iMC4SbuzPWcsgTrR1w][inet[/10.76.125.49:9300]]{max_local_storage_nodes=1,
 
master=false},[ELS-10.76.122.35][usJjEG65Tk6D4YnVHz220w][inet[/10.76.122.35:9300]]{max_local_storage_nodes=1,
 
master=false},[EDS1A1EF360][eucRgy56R1uf2BnV6GILZQ][inet[/10.76.120.85:9300]]{client=true,
 
data=false, 
master=false},[EDSF899A97][Mg-eNFm7TuSUutzerCtcLQ][inet[/10.76.122.17:9300]]{client=true,
 
data=false, master=false},}, reason: zen-disco-master_failed 
([ELS-10.76.121.131][dg_r12_nQbqIT_oJfjTwTg][inet[/10.76.121.131:9300]]{data=false,
 
max_local_storage_nodes=1, master=true})
[2014-06-04 14:52:25,048][WARN ][monitor.jvm              ] [BUS2F2801F3] 
[gc][old][55507][493] duration [43.7s], collections [1]/[43.7s], total 
[43.7s]/[4.5h], memory [9.9gb]->[9.9gb]/[9.9gb], all_pools {[young] 
[532.5mb]->[532.5mb]/[532.5mb]}{[survivor] 
[65.9mb]->[66.3mb]/[66.5mb]}{[old] [9.3gb]->[9.3gb]/[9.3gb]}
[2014-06-04 15:07:08,535][WARN 
][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the 
selector loop.
java.lang.OutOfMemoryError: Java heap space
[2014-06-04 15:07:08,535][DEBUG][action.search.type       ] [BUS2F2801F3] 
[1004_exposureindex][49], node[ot8ch3V6TYGKOLYnCY9cYw], [R], s[STARTED]: 
Failed to execute [org.elasticsearch.action.search.SearchRequest@14495084] 
lastShard [true]
org.elasticsearch.transport.SendRequestTransportException: 
[ELS-10.76.125.44][inet[/10.76.125.44:9300]][search/phase/query]
at 
org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:202)
at 
org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:173)
at 
org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteQuery(SearchServiceTransportAction.java:208)
at 
org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction.sendExecuteFirstPhase(TransportSearchQueryThenFetchAction.java:80)
at 
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:216)
at 
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$4.run(TransportSearchTypeAction.java:292)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.elasticsearch.transport.NodeNotConnectedException: 
[ELS-10.76.125.44][inet[/10.76.125.44:9300]] Node not connected
at 
org.elasticsearch.transport.netty.NettyTransport.nodeChannel(NettyTransport.java:859)
at 
org.elasticsearch.transport.netty.NettyTransport.sendRequest(NettyTransport.java:540)
at 
org.elasticsearch.transport.TransportService.sendRequest(TransportService.java:189)
... 8 more

On Wednesday, 18 June 2014 14:51:56 UTC-7, VB wrote:
>
> Thanks Alex for responding to my post from your busy schedule.
>
> Please find attached screenshot of eclipse memory analyzer
>
> On Monday, 16 June 2014 04:58:19 UTC-7, Alexander Reelsen wrote:
>>
>> Hey,
>>
>> client nodes do execute a reduce phase (merging all the results from a 
>> search in order to find out the top-n results), and if you do deep 
>> pagination this can take some memory. There is no data stored on a client 
>> node (as node.data property is always set to false).
>>
>> Do you have a stack trace of the exception, so one can see where the OOM 
>> happens?
>>
>>
>> --Alex
>>
>>
>> On Tue, Jun 3, 2014 at 8:58 PM, VB <[email protected]> wrote:
>>
>>> We have client, data and master node configurations.
>>>
>>> And we are seeing lots of OutOfMemory errors on node.client nodes.
>>>
>>> One of the thing which we have some doubt is, node.client caches data 
>>> for some reason? I am hoping not.
>>>
>>> If yes then what are the ways we can control this caching so client does 
>>> not cache any data.
>>>
>>> And in general what are setting options which we can control through yml 
>>> for client nodes (node.client).
>>>
>>> And what all operations happens on Node.Client when search with some 
>>> query.
>>>
>>> Regards,
>>> VB.
>>>
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>>
>>

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