---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19609 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 12G 66G 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 613 9371 4 6004 15033 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:fa:ac:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85017sec preferred_lft 85017sec inet6 fe80::f816:3eff:fefa:ac44/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:f8:dd:a0:b6:b1 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-19609) 02/21/26 _x86_64_ (4 CPU) 07:47:55 LINUX RESTART (4 CPU) 07:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:12 39.38 4.44 33.99 0.96 457.20 4016.57 12982.76 08:10:00 36.41 0.62 32.47 3.32 24.54 10497.07 20695.69 Average: 37.92 2.56 33.24 2.12 244.66 7200.10 16771.72 07:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:12 11319892 14310204 1653100 10.10 111064 3049180 2317320 13.30 517044 4208596 49544 08:10:00 9599356 15388284 562080 3.43 147780 5694108 1092016 6.27 1474860 4823040 196 Average: 10459624 14849244 1107590 6.76 129422 4371644 1704668 9.78 995952 4515818 24870 07:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:12 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 08:00:12 ens3 95.96 69.85 998.45 13.26 0.00 0.00 0.00 0.00 08:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 1146.29 1146.29 1088.26 1088.26 0.00 0.00 0.00 0.00 08:10:00 ens3 92.77 76.57 444.59 96.20 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 563.40 563.40 534.63 534.63 0.00 0.00 0.00 0.00 Average: ens3 94.39 73.15 726.37 54.00 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-19609) 02/21/26 _x86_64_ (4 CPU) 07:47:55 LINUX RESTART (4 CPU) 07:50:04 CPU %user %nice %system %iowait %steal %idle 08:00:12 all 13.01 0.00 0.71 0.38 0.04 85.86 08:00:12 0 12.76 0.00 0.64 0.07 0.03 86.51 08:00:12 1 14.59 0.00 0.84 0.21 0.04 84.32 08:00:12 2 11.81 0.00 0.79 1.12 0.03 86.25 08:00:12 3 12.90 0.00 0.58 0.13 0.05 86.35 08:10:00 all 52.26 0.00 2.26 1.06 0.10 44.33 08:10:00 0 51.10 0.00 2.39 1.29 0.10 45.12 08:10:00 1 48.23 0.00 1.95 1.03 0.10 48.70 08:10:00 2 54.46 0.00 2.56 0.46 0.10 42.41 08:10:00 3 55.24 0.00 2.12 1.45 0.10 41.09 Average: all 32.24 0.00 1.47 0.71 0.07 65.51 Average: 0 31.56 0.00 1.50 0.67 0.07 66.21 Average: 1 31.08 0.00 1.38 0.61 0.07 66.86 Average: 2 32.71 0.00 1.66 0.80 0.07 64.76 Average: 3 33.61 0.00 1.33 0.77 0.07 64.21