---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-482 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 657 10366 4 4964 14988 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0b:3a:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84906sec preferred_lft 84906sec inet6 fe80::f816:3eff:fe0b:3aa4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:db:2a:a6:c0:12 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-482) 01/15/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:09 15.10 1.04 12.74 1.32 618.02 3207.34 9353.93 14:20:03 29.06 0.64 23.89 4.53 27.45 3771.10 3494.31 Average: 22.00 0.85 18.25 2.91 326.09 3486.02 6457.41 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:09 9330804 13115920 2840732 17.35 148136 3733144 3043908 17.47 847564 5775896 12940 14:20:03 10697244 15425476 524592 3.20 172644 4591288 1052800 6.04 1110400 4073924 13680 Average: 10014024 14270698 1682662 10.28 160390 4162216 2048354 11.76 978982 4924910 13310 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:09 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 14:10:09 ens3 68.53 52.21 320.84 17.03 0.00 0.00 0.00 0.00 14:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:03 lo 1491.76 1491.76 1410.86 1410.86 0.00 0.00 0.00 0.00 14:20:03 ens3 120.28 106.43 422.23 201.56 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.12 738.12 697.49 697.49 0.00 0.00 0.00 0.00 Average: ens3 94.11 79.01 370.96 108.25 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-482) 01/15/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:09 all 73.61 0.00 2.32 0.30 0.15 23.62 14:10:09 0 74.77 0.00 2.36 0.09 0.14 22.63 14:10:09 1 73.92 0.00 2.18 0.94 0.15 22.81 14:10:09 2 72.02 0.00 2.50 0.09 0.15 25.25 14:10:09 3 73.75 0.00 2.24 0.08 0.15 23.79 14:20:03 all 45.69 0.00 2.17 0.42 0.10 51.62 14:20:03 0 46.59 0.00 2.26 0.32 0.10 50.73 14:20:03 1 49.38 0.00 2.00 0.59 0.11 47.92 14:20:03 2 42.90 0.00 2.42 0.67 0.10 53.91 14:20:03 3 43.91 0.00 2.00 0.09 0.10 53.90 Average: all 59.81 0.00 2.24 0.36 0.13 37.46 Average: 0 60.83 0.00 2.31 0.21 0.12 36.53 Average: 1 61.79 0.00 2.09 0.77 0.13 35.23 Average: 2 57.62 0.00 2.46 0.37 0.12 39.42 Average: 3 59.01 0.00 2.12 0.08 0.13 38.66