---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11757 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 667 10539 4 4783 14979 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:c2:07:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84266sec preferred_lft 84266sec inet6 fe80::f816:3eff:fec2:7ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:08:3a:e9:88:07 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11757) 05/07/26 _x86_64_ (4 CPU) 14:41:21 LINUX RESTART (4 CPU) 14:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:07 11.68 0.49 10.09 1.10 18.04 2610.83 2724.43 15:10:01 26.90 0.77 22.17 3.96 26.53 3825.39 4335.68 Average: 19.24 0.63 16.09 2.52 22.26 3214.62 3525.43 14:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:07 10077796 13659764 2297448 14.03 148456 3528812 2619636 15.04 652260 5221344 33420 15:10:01 10843992 15380816 570376 3.48 172668 4397800 1097652 6.30 906784 4123908 236 Average: 10460894 14520290 1433912 8.76 160562 3963306 1858644 10.67 779522 4672626 16828 14:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:07 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:00:07 ens3 69.67 56.16 142.23 17.90 0.00 0.00 0.00 0.00 15:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1485.79 1485.79 1410.54 1410.54 0.00 0.00 0.00 0.00 15:10:01 ens3 89.22 71.76 407.79 84.76 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 739.34 739.34 701.29 701.29 0.00 0.00 0.00 0.00 Average: ens3 79.39 63.91 274.25 51.14 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11757) 05/07/26 _x86_64_ (4 CPU) 14:41:21 LINUX RESTART (4 CPU) 14:50:07 CPU %user %nice %system %iowait %steal %idle 15:00:07 all 73.60 0.00 2.25 0.16 0.10 23.89 15:00:07 0 72.56 0.00 2.06 0.14 0.10 25.14 15:00:07 1 71.25 0.00 2.06 0.24 0.11 26.35 15:00:07 2 76.00 0.00 2.63 0.15 0.11 21.10 15:00:07 3 74.57 0.00 2.27 0.11 0.10 22.95 15:10:01 all 44.52 0.00 2.05 0.50 0.07 52.86 15:10:01 0 46.65 0.00 2.12 0.23 0.07 50.92 15:10:01 1 45.41 0.00 2.35 0.41 0.07 51.75 15:10:01 2 41.14 0.00 1.73 0.54 0.07 56.52 15:10:01 3 44.87 0.00 1.99 0.81 0.08 52.25 Average: all 59.14 0.00 2.15 0.33 0.09 38.29 Average: 0 59.67 0.00 2.09 0.18 0.09 37.96 Average: 1 58.40 0.00 2.20 0.32 0.09 38.98 Average: 2 58.68 0.00 2.18 0.34 0.09 38.71 Average: 3 59.80 0.00 2.13 0.46 0.09 37.52