---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7709 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 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: 5600.00 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 702 10518 4 4768 14944 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:4a:2e:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84555sec preferred_lft 84555sec inet6 fe80::f816:3eff:fe4a:2ee7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:ea:b1:0e:2f:30 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7709) 02/04/26 _x86_64_ (4 CPU) 19:56:22 LINUX RESTART (4 CPU) 20:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:00 12.36 2.12 9.41 0.83 332.00 2430.04 1295.04 20:20:13 26.08 0.83 22.07 3.18 27.54 3493.53 6387.38 Average: 19.30 1.47 15.81 2.01 178.08 2967.68 3869.43 20:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:00 10509820 13623300 2338544 14.28 122040 3136720 2681772 15.39 584596 4923980 24712 20:20:13 8829112 13004180 2948752 18.01 163256 4069888 3029512 17.39 839288 6232744 119436 Average: 9669466 13313740 2643648 16.15 142648 3603304 2855642 16.39 711942 5578362 72074 20:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:00 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 20:10:00 ens3 77.62 61.11 592.66 14.47 0.00 0.00 0.00 0.00 20:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:13 lo 1469.19 1469.19 1398.81 1398.81 0.00 0.00 0.00 0.00 20:20:13 ens3 86.89 64.81 362.48 18.21 0.00 0.00 0.00 0.00 20:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.18 743.18 707.20 707.20 0.00 0.00 0.00 0.00 Average: ens3 82.31 62.98 476.30 16.36 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7709) 02/04/26 _x86_64_ (4 CPU) 19:56:22 LINUX RESTART (4 CPU) 20:00:00 CPU %user %nice %system %iowait %steal %idle 20:10:00 all 44.33 0.00 1.40 0.09 0.08 54.10 20:10:00 0 44.88 0.00 1.47 0.08 0.08 53.49 20:10:00 1 44.77 0.00 1.42 0.08 0.09 53.64 20:10:00 2 42.57 0.00 1.48 0.06 0.08 55.81 20:10:00 3 45.11 0.00 1.25 0.12 0.08 53.45 20:20:13 all 70.17 0.00 2.73 0.08 0.12 26.90 20:20:13 0 69.40 0.00 2.59 0.04 0.12 27.85 20:20:13 1 71.42 0.00 2.77 0.10 0.12 25.59 20:20:13 2 69.54 0.00 2.91 0.09 0.12 27.34 20:20:13 3 70.30 0.00 2.66 0.11 0.12 26.80 Average: all 57.38 0.00 2.07 0.09 0.10 40.36 Average: 0 57.27 0.00 2.03 0.06 0.10 40.54 Average: 1 58.22 0.00 2.10 0.09 0.10 39.49 Average: 2 56.19 0.00 2.20 0.08 0.10 41.43 Average: 3 57.83 0.00 1.96 0.11 0.10 40.00