---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1891 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 12G 7.6G 61% / 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 516 2277 0 5182 7160 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:3f:91:84 brd ff:ff:ff:ff:ff:ff inet 10.32.6.46/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86025sec preferred_lft 86025sec inet6 fe80::f816:3eff:fe3f:9184/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:07:93:56 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-1891) 12/28/25 _x86_64_ (4 CPU) 08:13:45 LINUX RESTART (4 CPU) 08:14:01 tps rtps wtps bread/s bwrtn/s 08:15:02 152.21 69.01 83.20 5591.20 39697.40 08:16:01 56.77 0.22 56.55 23.59 7754.89 08:17:01 149.22 13.01 136.21 2230.38 82795.07 08:18:01 191.98 0.40 191.58 23.20 49682.79 08:19:01 45.09 0.92 44.18 40.93 7034.96 Average: 119.27 16.76 102.50 1587.13 37496.67 08:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:02 5914616 7433352 2252812 27.58 36332 1663028 974204 10.57 565032 1520696 60364 08:16:01 5611000 7385476 2556428 31.30 56676 1884084 1008420 10.94 628200 1732072 157556 08:17:01 3282244 7399416 4885184 59.81 106544 4050624 1187304 12.88 675272 3851780 622136 08:18:01 2520456 7389676 5646972 69.14 137920 4682748 1284132 13.93 851376 4341844 2096 08:19:01 2365304 7360088 5802124 71.04 143344 4793732 1042504 11.31 988008 4350696 26568 Average: 3938724 7393602 4228704 51.78 96163 3414843 1099313 11.93 741578 3159418 173744 08:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 08:15:02 ens3 420.93 215.78 1111.67 64.56 0.00 0.00 0.00 0.00 08:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 08:16:01 ens3 57.02 43.64 719.89 5.77 0.00 0.00 0.00 0.00 08:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 lo 2.07 2.07 0.21 0.21 0.00 0.00 0.00 0.00 08:17:01 ens3 543.10 258.29 13715.12 21.43 0.00 0.00 0.00 0.00 08:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:18:01 ens3 136.09 81.20 820.43 7.97 0.00 0.00 0.00 0.00 08:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 08:19:01 ens3 80.47 107.48 32.56 660.12 0.00 0.00 0.00 0.00 08:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 248.19 141.62 3289.54 152.45 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-1891) 12/28/25 _x86_64_ (4 CPU) 08:13:45 LINUX RESTART (4 CPU) 08:14:01 CPU %user %nice %system %iowait %steal %idle 08:15:02 all 17.21 0.00 3.11 5.46 2.69 71.54 08:15:02 0 16.00 0.00 2.11 5.61 2.17 74.11 08:15:02 1 13.06 0.00 5.61 2.31 2.69 76.34 08:15:02 2 11.32 0.00 2.13 6.39 2.61 77.55 08:15:02 3 28.42 0.00 2.58 7.54 3.29 58.17 08:16:01 all 19.96 0.00 1.09 2.27 1.54 75.13 08:16:01 0 12.81 0.00 0.69 0.20 0.64 85.65 08:16:01 1 27.54 0.00 1.06 0.66 1.67 69.07 08:16:01 2 3.79 0.00 0.59 6.92 1.31 87.39 08:16:01 3 35.61 0.00 2.02 1.31 2.56 58.50 08:17:01 all 21.33 0.00 9.93 3.40 4.60 60.73 08:17:01 0 24.04 0.00 11.03 2.37 5.06 57.50 08:17:01 1 25.25 0.00 9.99 4.29 4.58 55.89 08:17:01 2 19.04 0.00 10.13 4.83 4.78 61.23 08:17:01 3 17.05 0.00 8.59 2.15 3.95 68.26 08:18:01 all 18.86 0.00 8.81 4.28 4.43 63.62 08:18:01 0 15.61 0.00 7.47 5.07 4.04 67.82 08:18:01 1 23.18 0.00 9.82 1.67 5.00 60.34 08:18:01 2 18.37 0.00 8.49 4.17 4.45 64.52 08:18:01 3 18.28 0.00 9.44 6.19 4.26 61.82 08:19:01 all 29.11 0.00 4.28 1.27 3.76 61.58 08:19:01 0 20.59 0.00 4.19 0.38 3.26 71.58 08:19:01 1 37.38 0.00 4.46 0.48 3.76 53.93 08:19:01 2 34.69 0.00 4.49 2.21 3.70 54.91 08:19:01 3 23.79 0.00 3.98 1.99 4.31 65.93 Average: all 21.30 0.00 5.45 3.34 3.41 66.50 Average: 0 17.84 0.00 5.12 2.73 3.05 71.27 Average: 1 25.29 0.00 6.19 1.88 3.54 63.10 Average: 2 17.47 0.00 5.17 4.90 3.37 69.09 Average: 3 24.61 0.00 5.33 3.84 3.68 62.55