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High Memory Utilization in Juniper ACX2100


Cisco 2600 series router logging a lot of “Memory allocation failed” errorsCause of high CPU load on Juniper peering router's routing engineCalculating Cisco router memory requirements for full BGP feedsCisco 2611 router memory use-upJuniper ex2200cTAC Response on the error( %SYS-2-MALLOCFAIL: Memory allocation)What are Juniper DPC and MPC?Traffic utilization on Cisco and Juniper devicesHow to connect high-availability routers to high-availability firewallsCan I scp a file to Juniper router's Console port?













3















Recently i observed that one of our juniper AC2100 has only free 3% of memory.But i'm unable to understand which thing is causing such high memory usage or what i can do free the memory so it won't cause any problem in future. Any help appreciated.



Below is the output of show system memory command on juniper device



System memory usage distribution:
Total memory: 1548288 Kbytes (100%)
Reserved memory: 27680 Kbytes ( 1%)
Wired memory: 204776 Kbytes ( 13%)
Active memory: 302756 Kbytes ( 19%)
Inactive memory: 712516 Kbytes ( 46%)
Cache memory: 246780 Kbytes ( 15%)
Free memory: 53040 Kbytes ( 3%)









share|improve this question




























    3















    Recently i observed that one of our juniper AC2100 has only free 3% of memory.But i'm unable to understand which thing is causing such high memory usage or what i can do free the memory so it won't cause any problem in future. Any help appreciated.



    Below is the output of show system memory command on juniper device



    System memory usage distribution:
    Total memory: 1548288 Kbytes (100%)
    Reserved memory: 27680 Kbytes ( 1%)
    Wired memory: 204776 Kbytes ( 13%)
    Active memory: 302756 Kbytes ( 19%)
    Inactive memory: 712516 Kbytes ( 46%)
    Cache memory: 246780 Kbytes ( 15%)
    Free memory: 53040 Kbytes ( 3%)









    share|improve this question


























      3












      3








      3








      Recently i observed that one of our juniper AC2100 has only free 3% of memory.But i'm unable to understand which thing is causing such high memory usage or what i can do free the memory so it won't cause any problem in future. Any help appreciated.



      Below is the output of show system memory command on juniper device



      System memory usage distribution:
      Total memory: 1548288 Kbytes (100%)
      Reserved memory: 27680 Kbytes ( 1%)
      Wired memory: 204776 Kbytes ( 13%)
      Active memory: 302756 Kbytes ( 19%)
      Inactive memory: 712516 Kbytes ( 46%)
      Cache memory: 246780 Kbytes ( 15%)
      Free memory: 53040 Kbytes ( 3%)









      share|improve this question
















      Recently i observed that one of our juniper AC2100 has only free 3% of memory.But i'm unable to understand which thing is causing such high memory usage or what i can do free the memory so it won't cause any problem in future. Any help appreciated.



      Below is the output of show system memory command on juniper device



      System memory usage distribution:
      Total memory: 1548288 Kbytes (100%)
      Reserved memory: 27680 Kbytes ( 1%)
      Wired memory: 204776 Kbytes ( 13%)
      Active memory: 302756 Kbytes ( 19%)
      Inactive memory: 712516 Kbytes ( 46%)
      Cache memory: 246780 Kbytes ( 15%)
      Free memory: 53040 Kbytes ( 3%)






      router juniper memory






      share|improve this question















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      share|improve this question




      share|improve this question








      edited 5 hours ago







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          2














          On an ACX1100, that command is exactly what you need (18.2) - if you let it page down, it will show you every process and exactly how much memory they are consuming eg:



          System memory usage distribution:
          Total memory: 756736 Kbytes (100%)
          Reserved memory: 13856 Kbytes ( 1%)
          Wired memory: 101416 Kbytes ( 13%)
          Active memory: 421208 Kbytes ( 55%)
          Inactive memory: 57360 Kbytes ( 7%)
          Cache memory: 159632 Kbytes ( 21%)
          Free memory: 2712 Kbytes ( 0%)
          Memory disk resident memory: 37640 Kbytes
          VM-Kbytes( % ) Resident( % ) Map-name
          1048576(99.99) 459876(43.86) kernel map
          247624(23.62) 49552(20.01) kmem map
          1216(00.12) 1216(99.99) exec map
          12380(01.18) 1032(08.34) pipe map
          86304(08.23) 85600(99.18) buffer map
          32768(03.13) 32768(99.99) pager map
          Pid VM-Kbytes( % ) Resident( % ) Process-name
          ...
          2524 28436(01.10) 14100(01.81) /usr/sbin/eventd -N -r -s -A
          2675 0(00.00) 0(00.00) [crypto]
          2676 0(00.00) 0(00.00) [crypto returns]
          2781 2316(00.09) 656(00.08) /usr/sbin/cron
          3120 2320(00.09) 864(00.11) /sbin/watchdog -t-1
          3122 2744(00.11) 1300(00.17) /usr/libexec/bslockd -mp -N
          3124 4720(00.18) 2020(00.26) /usr/sbin/tnetd -N -l
          3128 97320(03.75) 32740(04.21) /usr/sbin/chassisd -N
          3129 23604(00.91) 12352(01.59) /usr/sbin/sdk-vmmd -N
          3132 21476(00.83) 11220(01.44) /usr/sbin/craftd -N
          3136 62192(02.39) 26692(03.43) /usr/sbin/mgd -N
          3138 54096(02.08) 32888(04.23) /usr/sbin/mib2d -N
          3139 6896(00.27) 2400(00.31) /usr/sbin/inetd -N -w
          3147 24728(00.95) 14028(01.80) /usr/sbin/ppmd -N
          3148 2396(00.09) 1144(00.15) /usr/sbin/smartd -n
          3154 22024(00.85) 12096(01.55) /usr/sbin/bfdd -N
          3155 27184(01.05) 14548(01.87) /usr/sbin/clksyncd -N
          3157 22588(00.87) 12604(01.62) /usr/sbin/lfmd -N
          3158 25836(00.99) 8856(01.14) /usr/sbin/smid -N
          ...
          3820 389988(15.02) 52348(06.73) /usr/sbin/rpd -N
          3821 52368(02.02) 29272(03.76) /usr/sbin/l2ald -N
          3822 21648(00.83) 12124(01.56) /usr/sbin/apsd -N


          Try it with | match rpd. ACXs aren't designed to handle a huge amount of L3 routes and will max out somewhere around 12,000.






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            On an ACX1100, that command is exactly what you need (18.2) - if you let it page down, it will show you every process and exactly how much memory they are consuming eg:



            System memory usage distribution:
            Total memory: 756736 Kbytes (100%)
            Reserved memory: 13856 Kbytes ( 1%)
            Wired memory: 101416 Kbytes ( 13%)
            Active memory: 421208 Kbytes ( 55%)
            Inactive memory: 57360 Kbytes ( 7%)
            Cache memory: 159632 Kbytes ( 21%)
            Free memory: 2712 Kbytes ( 0%)
            Memory disk resident memory: 37640 Kbytes
            VM-Kbytes( % ) Resident( % ) Map-name
            1048576(99.99) 459876(43.86) kernel map
            247624(23.62) 49552(20.01) kmem map
            1216(00.12) 1216(99.99) exec map
            12380(01.18) 1032(08.34) pipe map
            86304(08.23) 85600(99.18) buffer map
            32768(03.13) 32768(99.99) pager map
            Pid VM-Kbytes( % ) Resident( % ) Process-name
            ...
            2524 28436(01.10) 14100(01.81) /usr/sbin/eventd -N -r -s -A
            2675 0(00.00) 0(00.00) [crypto]
            2676 0(00.00) 0(00.00) [crypto returns]
            2781 2316(00.09) 656(00.08) /usr/sbin/cron
            3120 2320(00.09) 864(00.11) /sbin/watchdog -t-1
            3122 2744(00.11) 1300(00.17) /usr/libexec/bslockd -mp -N
            3124 4720(00.18) 2020(00.26) /usr/sbin/tnetd -N -l
            3128 97320(03.75) 32740(04.21) /usr/sbin/chassisd -N
            3129 23604(00.91) 12352(01.59) /usr/sbin/sdk-vmmd -N
            3132 21476(00.83) 11220(01.44) /usr/sbin/craftd -N
            3136 62192(02.39) 26692(03.43) /usr/sbin/mgd -N
            3138 54096(02.08) 32888(04.23) /usr/sbin/mib2d -N
            3139 6896(00.27) 2400(00.31) /usr/sbin/inetd -N -w
            3147 24728(00.95) 14028(01.80) /usr/sbin/ppmd -N
            3148 2396(00.09) 1144(00.15) /usr/sbin/smartd -n
            3154 22024(00.85) 12096(01.55) /usr/sbin/bfdd -N
            3155 27184(01.05) 14548(01.87) /usr/sbin/clksyncd -N
            3157 22588(00.87) 12604(01.62) /usr/sbin/lfmd -N
            3158 25836(00.99) 8856(01.14) /usr/sbin/smid -N
            ...
            3820 389988(15.02) 52348(06.73) /usr/sbin/rpd -N
            3821 52368(02.02) 29272(03.76) /usr/sbin/l2ald -N
            3822 21648(00.83) 12124(01.56) /usr/sbin/apsd -N


            Try it with | match rpd. ACXs aren't designed to handle a huge amount of L3 routes and will max out somewhere around 12,000.






            share|improve this answer



























              2














              On an ACX1100, that command is exactly what you need (18.2) - if you let it page down, it will show you every process and exactly how much memory they are consuming eg:



              System memory usage distribution:
              Total memory: 756736 Kbytes (100%)
              Reserved memory: 13856 Kbytes ( 1%)
              Wired memory: 101416 Kbytes ( 13%)
              Active memory: 421208 Kbytes ( 55%)
              Inactive memory: 57360 Kbytes ( 7%)
              Cache memory: 159632 Kbytes ( 21%)
              Free memory: 2712 Kbytes ( 0%)
              Memory disk resident memory: 37640 Kbytes
              VM-Kbytes( % ) Resident( % ) Map-name
              1048576(99.99) 459876(43.86) kernel map
              247624(23.62) 49552(20.01) kmem map
              1216(00.12) 1216(99.99) exec map
              12380(01.18) 1032(08.34) pipe map
              86304(08.23) 85600(99.18) buffer map
              32768(03.13) 32768(99.99) pager map
              Pid VM-Kbytes( % ) Resident( % ) Process-name
              ...
              2524 28436(01.10) 14100(01.81) /usr/sbin/eventd -N -r -s -A
              2675 0(00.00) 0(00.00) [crypto]
              2676 0(00.00) 0(00.00) [crypto returns]
              2781 2316(00.09) 656(00.08) /usr/sbin/cron
              3120 2320(00.09) 864(00.11) /sbin/watchdog -t-1
              3122 2744(00.11) 1300(00.17) /usr/libexec/bslockd -mp -N
              3124 4720(00.18) 2020(00.26) /usr/sbin/tnetd -N -l
              3128 97320(03.75) 32740(04.21) /usr/sbin/chassisd -N
              3129 23604(00.91) 12352(01.59) /usr/sbin/sdk-vmmd -N
              3132 21476(00.83) 11220(01.44) /usr/sbin/craftd -N
              3136 62192(02.39) 26692(03.43) /usr/sbin/mgd -N
              3138 54096(02.08) 32888(04.23) /usr/sbin/mib2d -N
              3139 6896(00.27) 2400(00.31) /usr/sbin/inetd -N -w
              3147 24728(00.95) 14028(01.80) /usr/sbin/ppmd -N
              3148 2396(00.09) 1144(00.15) /usr/sbin/smartd -n
              3154 22024(00.85) 12096(01.55) /usr/sbin/bfdd -N
              3155 27184(01.05) 14548(01.87) /usr/sbin/clksyncd -N
              3157 22588(00.87) 12604(01.62) /usr/sbin/lfmd -N
              3158 25836(00.99) 8856(01.14) /usr/sbin/smid -N
              ...
              3820 389988(15.02) 52348(06.73) /usr/sbin/rpd -N
              3821 52368(02.02) 29272(03.76) /usr/sbin/l2ald -N
              3822 21648(00.83) 12124(01.56) /usr/sbin/apsd -N


              Try it with | match rpd. ACXs aren't designed to handle a huge amount of L3 routes and will max out somewhere around 12,000.






              share|improve this answer

























                2












                2








                2







                On an ACX1100, that command is exactly what you need (18.2) - if you let it page down, it will show you every process and exactly how much memory they are consuming eg:



                System memory usage distribution:
                Total memory: 756736 Kbytes (100%)
                Reserved memory: 13856 Kbytes ( 1%)
                Wired memory: 101416 Kbytes ( 13%)
                Active memory: 421208 Kbytes ( 55%)
                Inactive memory: 57360 Kbytes ( 7%)
                Cache memory: 159632 Kbytes ( 21%)
                Free memory: 2712 Kbytes ( 0%)
                Memory disk resident memory: 37640 Kbytes
                VM-Kbytes( % ) Resident( % ) Map-name
                1048576(99.99) 459876(43.86) kernel map
                247624(23.62) 49552(20.01) kmem map
                1216(00.12) 1216(99.99) exec map
                12380(01.18) 1032(08.34) pipe map
                86304(08.23) 85600(99.18) buffer map
                32768(03.13) 32768(99.99) pager map
                Pid VM-Kbytes( % ) Resident( % ) Process-name
                ...
                2524 28436(01.10) 14100(01.81) /usr/sbin/eventd -N -r -s -A
                2675 0(00.00) 0(00.00) [crypto]
                2676 0(00.00) 0(00.00) [crypto returns]
                2781 2316(00.09) 656(00.08) /usr/sbin/cron
                3120 2320(00.09) 864(00.11) /sbin/watchdog -t-1
                3122 2744(00.11) 1300(00.17) /usr/libexec/bslockd -mp -N
                3124 4720(00.18) 2020(00.26) /usr/sbin/tnetd -N -l
                3128 97320(03.75) 32740(04.21) /usr/sbin/chassisd -N
                3129 23604(00.91) 12352(01.59) /usr/sbin/sdk-vmmd -N
                3132 21476(00.83) 11220(01.44) /usr/sbin/craftd -N
                3136 62192(02.39) 26692(03.43) /usr/sbin/mgd -N
                3138 54096(02.08) 32888(04.23) /usr/sbin/mib2d -N
                3139 6896(00.27) 2400(00.31) /usr/sbin/inetd -N -w
                3147 24728(00.95) 14028(01.80) /usr/sbin/ppmd -N
                3148 2396(00.09) 1144(00.15) /usr/sbin/smartd -n
                3154 22024(00.85) 12096(01.55) /usr/sbin/bfdd -N
                3155 27184(01.05) 14548(01.87) /usr/sbin/clksyncd -N
                3157 22588(00.87) 12604(01.62) /usr/sbin/lfmd -N
                3158 25836(00.99) 8856(01.14) /usr/sbin/smid -N
                ...
                3820 389988(15.02) 52348(06.73) /usr/sbin/rpd -N
                3821 52368(02.02) 29272(03.76) /usr/sbin/l2ald -N
                3822 21648(00.83) 12124(01.56) /usr/sbin/apsd -N


                Try it with | match rpd. ACXs aren't designed to handle a huge amount of L3 routes and will max out somewhere around 12,000.






                share|improve this answer













                On an ACX1100, that command is exactly what you need (18.2) - if you let it page down, it will show you every process and exactly how much memory they are consuming eg:



                System memory usage distribution:
                Total memory: 756736 Kbytes (100%)
                Reserved memory: 13856 Kbytes ( 1%)
                Wired memory: 101416 Kbytes ( 13%)
                Active memory: 421208 Kbytes ( 55%)
                Inactive memory: 57360 Kbytes ( 7%)
                Cache memory: 159632 Kbytes ( 21%)
                Free memory: 2712 Kbytes ( 0%)
                Memory disk resident memory: 37640 Kbytes
                VM-Kbytes( % ) Resident( % ) Map-name
                1048576(99.99) 459876(43.86) kernel map
                247624(23.62) 49552(20.01) kmem map
                1216(00.12) 1216(99.99) exec map
                12380(01.18) 1032(08.34) pipe map
                86304(08.23) 85600(99.18) buffer map
                32768(03.13) 32768(99.99) pager map
                Pid VM-Kbytes( % ) Resident( % ) Process-name
                ...
                2524 28436(01.10) 14100(01.81) /usr/sbin/eventd -N -r -s -A
                2675 0(00.00) 0(00.00) [crypto]
                2676 0(00.00) 0(00.00) [crypto returns]
                2781 2316(00.09) 656(00.08) /usr/sbin/cron
                3120 2320(00.09) 864(00.11) /sbin/watchdog -t-1
                3122 2744(00.11) 1300(00.17) /usr/libexec/bslockd -mp -N
                3124 4720(00.18) 2020(00.26) /usr/sbin/tnetd -N -l
                3128 97320(03.75) 32740(04.21) /usr/sbin/chassisd -N
                3129 23604(00.91) 12352(01.59) /usr/sbin/sdk-vmmd -N
                3132 21476(00.83) 11220(01.44) /usr/sbin/craftd -N
                3136 62192(02.39) 26692(03.43) /usr/sbin/mgd -N
                3138 54096(02.08) 32888(04.23) /usr/sbin/mib2d -N
                3139 6896(00.27) 2400(00.31) /usr/sbin/inetd -N -w
                3147 24728(00.95) 14028(01.80) /usr/sbin/ppmd -N
                3148 2396(00.09) 1144(00.15) /usr/sbin/smartd -n
                3154 22024(00.85) 12096(01.55) /usr/sbin/bfdd -N
                3155 27184(01.05) 14548(01.87) /usr/sbin/clksyncd -N
                3157 22588(00.87) 12604(01.62) /usr/sbin/lfmd -N
                3158 25836(00.99) 8856(01.14) /usr/sbin/smid -N
                ...
                3820 389988(15.02) 52348(06.73) /usr/sbin/rpd -N
                3821 52368(02.02) 29272(03.76) /usr/sbin/l2ald -N
                3822 21648(00.83) 12124(01.56) /usr/sbin/apsd -N


                Try it with | match rpd. ACXs aren't designed to handle a huge amount of L3 routes and will max out somewhere around 12,000.







                share|improve this answer












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                share|improve this answer










                answered 1 hour ago









                Benjamin DaleBenjamin Dale

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