---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1220 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 9.3G 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 507 5017 0 2450 7184 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:ed:c7:cf brd ff:ff:ff:ff:ff:ff inet 10.32.7.107/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85976sec preferred_lft 85976sec inet6 fe80::f816:3eff:feed:c7cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:4d:74:1d 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-1220) 12/20/25 _x86_64_ (4 CPU) 05:09:45 LINUX RESTART (4 CPU) 05:10:01 tps rtps wtps bread/s bwrtn/s 05:11:01 154.43 69.23 85.20 5598.53 39669.73 05:12:01 61.96 0.22 61.75 23.19 9870.71 05:13:01 69.21 30.43 38.78 1645.59 7856.42 05:14:01 9.05 0.03 9.01 0.27 365.34 05:15:01 37.69 11.23 26.46 759.34 3759.11 05:16:01 35.58 1.27 34.31 116.25 5246.99 Average: 61.32 18.73 42.59 1357.24 11128.51 05:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:11:01 5869832 7391180 2297596 28.13 37360 1664056 1031300 11.19 607924 1518196 66644 05:12:01 5592368 7367684 2575060 31.53 57508 1883876 1037576 11.26 646976 1730128 111968 05:13:01 5257460 7190556 2909968 35.63 62772 2030864 1195524 12.97 829332 1871136 2024 05:14:01 5243384 7183624 2924044 35.80 64732 2035148 1195524 12.97 837552 1874676 1296 05:15:01 4417836 6489808 3749592 45.91 67064 2160792 1857816 20.16 1569040 1956796 4140 05:16:01 5092476 7307680 3074952 37.65 72224 2296084 1051108 11.41 855544 1995160 26280 Average: 5245559 7155089 2921869 35.77 60277 2011803 1228141 13.33 891061 1824349 35392 05:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:11:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 05:11:01 ens3 369.04 192.52 1094.64 63.02 0.00 0.00 0.00 0.00 05:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:12:01 ens3 62.83 52.13 709.37 6.24 0.00 0.00 0.00 0.00 05:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 05:13:01 ens3 136.81 122.33 1344.70 23.31 0.00 0.00 0.00 0.00 05:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:14:01 ens3 58.38 84.36 61.87 13.57 0.00 0.00 0.00 0.00 05:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 lo 1.47 1.47 0.38 0.38 0.00 0.00 0.00 0.00 05:15:01 ens3 254.42 273.44 1680.85 43.96 0.00 0.00 0.00 0.00 05:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 05:16:01 ens3 144.38 165.36 879.53 33.51 0.00 0.00 0.00 0.00 05:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 170.98 148.35 961.80 30.60 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 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1220) 12/20/25 _x86_64_ (4 CPU) 05:09:45 LINUX RESTART (4 CPU) 05:10:01 CPU %user %nice %system %iowait %steal %idle 05:11:01 all 19.06 0.00 3.15 5.31 3.00 69.49 05:11:01 0 18.81 0.00 3.11 6.39 3.01 68.67 05:11:01 1 11.04 0.00 1.71 3.58 2.52 81.16 05:11:01 2 26.85 0.00 3.32 7.24 3.65 58.94 05:11:01 3 19.51 0.00 4.44 4.00 2.81 69.24 05:12:01 all 19.39 0.00 1.16 2.17 1.48 75.81 05:12:01 0 4.91 0.00 0.37 2.08 0.42 92.23 05:12:01 1 37.39 0.00 2.13 2.69 2.26 55.54 05:12:01 2 23.24 0.00 1.39 3.63 2.07 69.66 05:12:01 3 12.02 0.00 0.73 0.28 1.17 85.81 05:13:01 all 15.31 0.00 1.08 1.35 2.58 79.68 05:13:01 0 17.61 0.00 0.73 1.16 2.40 78.10 05:13:01 1 18.61 0.00 1.34 0.58 2.63 76.85 05:13:01 2 15.33 0.00 1.75 3.06 3.06 76.80 05:13:01 3 9.71 0.00 0.50 0.56 2.23 87.00 05:14:01 all 3.48 0.00 0.35 0.04 0.92 95.20 05:14:01 0 4.99 0.00 0.08 0.00 0.81 94.11 05:14:01 1 1.46 0.00 0.17 0.02 0.78 97.58 05:14:01 2 6.35 0.00 0.91 0.02 1.69 91.04 05:14:01 3 1.13 0.00 0.23 0.17 0.41 98.06 05:15:01 all 38.52 0.00 1.73 0.78 6.12 52.85 05:15:01 0 38.06 0.00 2.20 0.97 6.07 52.70 05:15:01 1 46.06 0.00 1.65 1.00 6.32 44.97 05:15:01 2 39.55 0.00 1.58 0.25 6.70 51.94 05:15:01 3 30.43 0.00 1.48 0.90 5.39 61.80 05:16:01 all 24.33 0.00 1.24 0.84 2.40 71.20 05:16:01 0 23.98 0.00 1.02 2.59 2.46 69.95 05:16:01 1 23.93 0.00 1.05 0.28 2.59 72.14 05:16:01 2 37.25 0.00 1.53 0.10 2.58 58.54 05:16:01 3 12.20 0.00 1.39 0.35 1.97 84.09 Average: all 20.04 0.00 1.45 1.75 2.75 74.01 Average: 0 18.11 0.00 1.25 2.20 2.54 75.90 Average: 1 23.10 0.00 1.34 1.36 2.85 71.35 Average: 2 24.76 0.00 1.75 2.38 3.30 67.82 Average: 3 14.19 0.00 1.46 1.04 2.33 80.98