---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25063 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 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 617 10421 4 4950 15029 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:b5:71:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:feb5:7199/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:e2:ac:2a:fa:83 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-25063) 03/01/26 _x86_64_ (4 CPU) 20:12:49 LINUX RESTART (4 CPU) 20:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:03 3.72 0.07 3.49 0.16 6.85 506.08 20.00 20:40:01 40.85 0.71 23.67 16.47 32.23 6229.25 251356.75 Average: 22.26 0.39 13.57 8.30 19.52 3364.15 125534.24 20:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:03 9611144 12787832 3174624 19.39 117380 3218752 3551020 20.38 651272 5737084 332 20:40:01 10694608 15411048 544936 3.33 141108 4674836 1090060 6.26 1060784 4206788 11204 Average: 10152876 14099440 1859780 11.36 129244 3946794 2320540 13.32 856028 4971936 5768 20:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:03 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 20:30:03 ens3 9.59 7.92 37.72 2.33 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 505.67 505.67 479.40 479.40 0.00 0.00 0.00 0.00 20:40:01 ens3 63.57 53.98 492.22 85.52 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.82 252.82 239.59 239.59 0.00 0.00 0.00 0.00 Average: ens3 36.55 30.92 264.69 43.87 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-25063) 03/01/26 _x86_64_ (4 CPU) 20:12:49 LINUX RESTART (4 CPU) 20:20:03 CPU %user %nice %system %iowait %steal %idle 20:30:03 all 45.97 0.00 0.63 0.03 0.08 53.29 20:30:03 0 43.39 0.00 0.69 0.04 0.08 55.80 20:30:03 1 70.60 0.00 0.68 0.02 0.08 28.62 20:30:03 2 35.45 0.00 0.64 0.04 0.07 63.80 20:30:03 3 34.45 0.00 0.52 0.02 0.07 64.94 20:40:01 all 52.36 0.00 1.55 0.36 0.08 45.64 20:40:01 0 48.70 0.00 1.57 0.32 0.07 49.33 20:40:01 1 67.01 0.00 1.61 0.46 0.09 30.82 20:40:01 2 45.11 0.00 1.63 0.48 0.08 52.70 20:40:01 3 48.64 0.00 1.40 0.18 0.08 49.71 Average: all 49.16 0.00 1.09 0.20 0.08 49.47 Average: 0 46.04 0.00 1.13 0.18 0.08 52.57 Average: 1 68.81 0.00 1.14 0.24 0.09 29.72 Average: 2 40.27 0.00 1.13 0.26 0.08 58.26 Average: 3 41.53 0.00 0.96 0.10 0.08 57.34