---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1309 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 696K 797M 1% /run /dev/vda1 20G 9.2G 10G 48% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 519 5021 0 2435 7172 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:dd:8f:58 brd ff:ff:ff:ff:ff:ff inet 10.32.6.172/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85979sec preferred_lft 85979sec inet6 fe80::f816:3eff:fedd:8f58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e6:2b:41:c7 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1309) 12/20/25 _x86_64_ (4 CPU) 20:40:43 LINUX RESTART (4 CPU) 20:41:01 tps rtps wtps bread/s bwrtn/s 20:42:01 157.75 69.38 88.37 5645.72 40043.74 20:43:01 61.82 0.12 61.71 21.46 9679.05 20:44:01 65.94 30.48 35.46 1647.19 7612.33 20:45:01 8.33 0.03 8.30 0.27 302.62 20:46:01 45.04 10.85 34.19 760.01 4483.52 20:47:01 26.92 1.30 25.62 117.27 4163.78 Average: 60.97 18.69 42.28 1365.37 11047.93 20:41:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:42:01 5870172 7397940 2297256 28.13 38076 1669648 997624 10.82 603404 1524152 63900 20:43:01 5568852 7355004 2598576 31.82 57992 1893188 1024168 11.11 660276 1739112 116208 20:44:01 5243624 7175512 2923804 35.80 62536 2030128 1201284 13.03 845504 1870488 1472 20:45:01 5217876 7156964 2949552 36.11 64524 2034304 1209284 13.12 865076 1873916 2304 20:46:01 4714700 6805448 3452728 42.27 67884 2178048 1488196 16.15 1279776 1951120 4028 20:47:01 5165984 7371148 3001444 36.75 71980 2286432 1001880 10.87 786760 1991140 30328 Average: 5296868 7210336 2870560 35.15 60499 2015291 1153739 12.52 840133 1824988 36373 20:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 20:42:01 ens3 424.74 224.79 1139.73 66.30 0.00 0.00 0.00 0.00 20:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 20:43:01 ens3 66.19 55.76 669.60 6.24 0.00 0.00 0.00 0.00 20:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 20:44:01 ens3 141.56 130.81 1349.43 24.07 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 20:45:01 ens3 60.96 88.77 62.40 14.34 0.00 0.00 0.00 0.00 20:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 lo 6.03 6.03 2.19 2.19 0.00 0.00 0.00 0.00 20:46:01 ens3 276.74 311.36 1948.59 46.16 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 20:47:01 ens3 113.79 98.98 484.62 27.70 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.73 1.73 0.43 0.43 0.00 0.00 0.00 0.00 Average: ens3 180.67 151.75 942.38 30.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1309) 12/20/25 _x86_64_ (4 CPU) 20:40:43 LINUX RESTART (4 CPU) 20:41:01 CPU %user %nice %system %iowait %steal %idle 20:42:01 all 20.56 0.00 3.07 5.40 1.70 69.27 20:42:01 0 29.10 0.00 1.93 3.23 1.42 64.32 20:42:01 1 24.84 0.00 2.21 10.03 1.34 61.58 20:42:01 2 11.31 0.00 5.44 3.23 2.23 77.78 20:42:01 3 17.08 0.00 2.67 5.17 1.80 73.29 20:43:01 all 19.98 0.00 1.17 1.89 1.39 75.56 20:43:01 0 12.02 0.00 0.53 0.54 1.58 85.33 20:43:01 1 2.98 0.00 0.58 5.90 0.45 90.09 20:43:01 2 7.40 0.00 0.34 0.64 1.46 90.15 20:43:01 3 57.79 0.00 3.23 0.52 2.10 36.37 20:44:01 all 15.47 0.00 1.02 1.08 1.28 81.15 20:44:01 0 10.92 0.00 0.52 0.95 0.95 86.65 20:44:01 1 14.01 0.00 1.27 1.70 1.07 81.95 20:44:01 2 17.28 0.00 1.28 0.86 1.81 78.77 20:44:01 3 19.66 0.00 1.00 0.80 1.30 77.25 20:45:01 all 4.09 0.00 0.33 0.04 0.30 95.23 20:45:01 0 0.50 0.00 0.08 0.00 0.13 99.28 20:45:01 1 7.12 0.00 0.84 0.07 0.33 91.65 20:45:01 2 7.05 0.00 0.32 0.10 0.60 91.93 20:45:01 3 1.65 0.00 0.12 0.00 0.12 98.12 20:46:01 all 47.13 0.00 1.96 0.64 3.67 46.61 20:46:01 0 41.87 0.00 2.82 1.24 3.97 50.10 20:46:01 1 44.19 0.00 1.66 0.68 3.53 49.95 20:46:01 2 52.67 0.00 1.57 0.20 3.56 41.99 20:46:01 3 49.79 0.00 1.78 0.45 3.60 44.38 20:47:01 all 25.36 0.00 1.31 0.65 1.54 71.13 20:47:01 0 10.84 0.00 1.07 0.23 1.29 86.56 20:47:01 1 44.87 0.00 1.46 1.93 1.78 49.96 20:47:01 2 23.73 0.00 1.81 0.33 1.87 72.26 20:47:01 3 22.05 0.00 0.90 0.12 1.25 75.69 Average: all 22.12 0.00 1.48 1.62 1.65 73.13 Average: 0 17.56 0.00 1.16 1.03 1.56 78.69 Average: 1 23.03 0.00 1.34 3.38 1.42 70.83 Average: 2 19.89 0.00 1.80 0.90 1.92 75.49 Average: 3 28.02 0.00 1.61 1.17 1.69 67.50