---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1696 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: 2799.998 BogoMIPS: 5599.99 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 11G 8.6G 56% / 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: 7975 517 3353 0 4104 7159 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:fb:65:25 brd ff:ff:ff:ff:ff:ff inet 10.32.7.158/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fefb:6525/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:22:bd:4d 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-1696) 12/26/25 _x86_64_ (4 CPU) 07:29:46 LINUX RESTART (4 CPU) 07:30:01 tps rtps wtps bread/s bwrtn/s 07:31:01 155.59 69.16 86.44 5600.13 39861.37 07:32:01 64.32 0.12 64.21 21.46 9553.07 07:33:01 241.64 14.16 227.48 2292.42 82859.39 07:34:01 21.71 0.58 21.13 42.39 1612.53 Average: 120.82 21.00 99.81 1989.10 33471.59 07:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:31:01 5886400 7418868 2281020 27.93 37656 1674552 988272 10.72 579572 1530040 69260 07:32:01 5564596 7365156 2602824 31.87 59136 1904700 1021540 11.08 637044 1759544 117148 07:33:01 3509652 7392028 4657768 57.03 125152 3775288 1081812 11.74 961100 3311620 164 07:34:01 3450632 7343576 4716788 57.75 126928 3783004 1046924 11.36 1018892 3311952 9608 Average: 4602820 7379907 3564600 43.64 87218 2784386 1034637 11.23 799152 2478289 49045 07:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:31:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 07:31:01 ens3 463.57 264.17 1117.63 68.98 0.00 0.00 0.00 0.00 07:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 07:32:01 ens3 55.09 45.38 683.90 5.67 0.00 0.00 0.00 0.00 07:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 lo 2.80 2.80 0.26 0.26 0.00 0.00 0.00 0.00 07:33:01 ens3 593.58 373.74 8171.08 329.52 0.00 0.00 0.00 0.00 07:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 07:34:01 ens3 44.96 66.34 14.54 413.92 0.00 0.00 0.00 0.00 07:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 289.30 187.41 2496.79 204.52 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-1696) 12/26/25 _x86_64_ (4 CPU) 07:29:46 LINUX RESTART (4 CPU) 07:30:01 CPU %user %nice %system %iowait %steal %idle 07:31:01 all 18.82 0.00 2.77 4.67 1.04 72.69 07:31:01 0 15.36 0.00 2.32 6.67 0.97 74.68 07:31:01 1 14.31 0.00 1.97 7.66 0.85 75.21 07:31:01 2 30.53 0.00 2.02 1.85 1.42 64.18 07:31:01 3 15.09 0.00 4.81 2.49 0.95 76.65 07:32:01 all 20.91 0.00 1.19 1.66 0.85 75.39 07:32:01 0 0.82 0.00 0.10 0.00 0.12 98.96 07:32:01 1 12.19 0.00 0.68 0.07 0.68 86.38 07:32:01 2 8.04 0.00 0.90 6.19 0.72 84.15 07:32:01 3 62.61 0.00 3.05 0.37 1.85 32.12 07:33:01 all 28.79 0.00 9.13 5.25 2.33 54.50 07:33:01 0 27.99 0.00 8.04 3.74 2.26 57.96 07:33:01 1 33.04 0.00 7.60 5.37 2.51 51.49 07:33:01 2 25.44 0.00 10.67 3.80 2.28 57.81 07:33:01 3 28.66 0.00 10.21 8.13 2.29 50.71 07:34:01 all 21.77 0.00 1.03 0.66 0.79 75.75 07:34:01 0 32.82 0.00 1.37 1.27 0.99 63.55 07:34:01 1 3.11 0.00 0.63 1.21 0.40 94.65 07:34:01 2 24.10 0.00 0.77 0.07 0.78 74.28 07:34:01 3 27.15 0.00 1.35 0.07 0.96 70.48 Average: all 22.56 0.00 3.51 3.05 1.25 69.63 Average: 0 19.23 0.00 2.95 2.92 1.08 73.83 Average: 1 15.61 0.00 2.71 3.57 1.11 77.01 Average: 2 22.01 0.00 3.56 2.98 1.30 70.15 Average: 3 33.40 0.00 4.83 2.74 1.51 57.51