---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8731 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: 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 67G 15% / 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 719 9669 4 5599 14927 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:cb:43:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84623sec preferred_lft 84623sec inet6 fe80::f816:3eff:fecb:43f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:58:67:ad:93:04 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-8731) 02/08/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:14 31.54 0.87 27.55 3.12 412.57 4064.02 21407.58 13:00:14 27.05 0.06 24.02 2.96 1.45 5796.03 14895.51 Average: 29.32 0.47 25.80 3.04 209.18 4920.88 18185.91 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:14 8936996 12873268 3082140 18.82 157224 3866236 3327652 19.10 876428 6139224 181244 13:00:14 7915624 13042148 2906980 17.75 187212 4962820 3382780 19.42 1141356 6821368 25324 Average: 8426310 12957708 2994560 18.29 172218 4414528 3355216 19.26 1008892 6480296 103284 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:14 lo 1269.67 1269.67 1209.18 1209.18 0.00 0.00 0.00 0.00 12:50:14 ens3 79.30 59.30 429.77 15.22 0.00 0.00 0.00 0.00 12:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:14 lo 814.13 814.13 774.99 774.99 0.00 0.00 0.00 0.00 13:00:14 ens3 54.62 42.19 228.37 12.30 0.00 0.00 0.00 0.00 13:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1044.31 1044.31 994.38 994.38 0.00 0.00 0.00 0.00 Average: ens3 67.09 50.83 330.13 13.78 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-8731) 02/08/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:14 all 65.44 0.00 2.59 0.07 0.09 31.81 12:50:14 0 66.08 0.00 2.44 0.05 0.09 31.34 12:50:14 1 64.95 0.00 2.48 0.04 0.09 32.44 12:50:14 2 64.31 0.00 2.79 0.08 0.09 32.73 12:50:14 3 66.43 0.00 2.67 0.09 0.09 30.73 13:00:14 all 59.54 0.00 2.27 0.07 0.08 38.03 13:00:14 0 57.58 0.00 2.55 0.09 0.08 39.70 13:00:14 1 62.80 0.00 2.39 0.05 0.08 34.67 13:00:14 2 60.42 0.00 2.18 0.06 0.08 37.26 13:00:14 3 57.37 0.00 1.94 0.10 0.08 40.51 Average: all 62.52 0.00 2.43 0.07 0.09 34.89 Average: 0 61.87 0.00 2.50 0.07 0.09 35.48 Average: 1 63.89 0.00 2.44 0.05 0.09 33.54 Average: 2 62.39 0.00 2.49 0.07 0.08 34.97 Average: 3 61.95 0.00 2.31 0.09 0.08 35.57