---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1308 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 700K 797M 1% /run /dev/vda1 20G 9.4G 9.9G 49% / 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 497 4740 0 2737 7182 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:d3:98:0c brd ff:ff:ff:ff:ff:ff inet 10.32.7.159/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fed3:980c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:2b:66:d8 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-1308) 12/20/25 _x86_64_ (4 CPU) 20:32:12 LINUX RESTART (4 CPU) 20:33:02 tps rtps wtps bread/s bwrtn/s 20:34:01 61.72 18.25 43.47 619.56 5628.74 20:35:01 145.66 83.40 62.26 2767.67 13351.51 20:36:01 116.11 62.53 53.58 2374.94 21675.71 20:37:01 21.35 1.03 20.31 32.13 2032.46 Average: 86.31 41.40 44.91 1452.08 10693.66 20:33:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:34:01 5760416 7427172 2407012 29.47 51492 1785548 957636 10.39 574596 1642476 136716 20:35:01 5251368 7422720 2916060 35.70 67668 2257244 1069552 11.61 798356 1890868 399168 20:36:01 4909680 7405360 3257748 39.89 78640 2558708 945324 10.26 918560 2088272 46156 20:37:01 4853116 7353864 3314312 40.58 80616 2560980 993136 10.78 974804 2086876 11760 Average: 5193645 7402279 2973783 36.41 69604 2290620 991412 10.76 816579 1927123 148450 20:33:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:34:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 ens3 71.24 58.31 824.73 5.88 0.00 0.00 0.00 0.00 20:35:01 lo 2.80 2.80 0.29 0.29 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 ens3 231.19 158.91 949.43 15.15 0.00 0.00 0.00 0.00 20:36:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 ens3 146.90 111.73 646.98 15.24 0.00 0.00 0.00 0.00 20:37:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 20:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 ens3 8.78 10.71 7.40 6.00 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.12 0.12 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: ens3 114.71 85.03 606.23 10.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1308) 12/20/25 _x86_64_ (4 CPU) 20:32:12 LINUX RESTART (4 CPU) 20:33:02 CPU %user %nice %system %iowait %steal %idle 20:34:01 all 19.84 0.00 1.07 2.02 1.43 75.64 20:34:01 0 8.76 0.00 0.52 0.32 0.71 89.68 20:34:01 1 16.69 0.00 1.14 0.54 1.73 79.90 20:34:01 2 28.77 0.00 1.71 6.41 1.52 61.60 20:34:01 3 25.10 0.00 0.89 0.83 1.80 71.38 20:35:01 all 16.43 1.57 1.94 6.90 1.73 71.44 20:35:01 0 12.30 0.00 1.44 4.47 1.26 80.52 20:35:01 1 7.02 0.02 1.09 3.78 1.76 86.33 20:35:01 2 3.76 0.00 1.46 12.83 1.18 80.77 20:35:01 3 42.73 6.27 3.76 6.55 2.69 38.00 20:36:01 all 32.71 0.00 3.61 3.92 5.06 54.70 20:36:01 0 38.56 0.00 3.77 3.13 5.23 49.31 20:36:01 1 23.49 0.00 3.36 2.68 4.40 66.07 20:36:01 2 23.87 0.00 3.50 6.78 4.96 60.89 20:36:01 3 44.92 0.00 3.85 3.09 5.66 42.48 20:37:01 all 20.68 0.00 0.81 0.76 1.38 76.36 20:37:01 0 7.39 0.00 0.61 0.07 1.39 90.55 20:37:01 1 2.43 0.00 0.22 0.13 0.70 96.53 20:37:01 2 42.78 0.00 1.43 2.61 1.89 51.29 20:37:01 3 30.19 0.00 0.95 0.25 1.55 67.07 Average: all 22.44 0.39 1.86 3.41 2.41 69.49 Average: 0 16.80 0.00 1.59 2.00 2.16 77.45 Average: 1 12.40 0.00 1.45 1.79 2.15 82.20 Average: 2 24.78 0.00 2.03 7.16 2.40 63.64 Average: 3 35.79 1.57 2.37 2.68 2.93 54.66