---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16862 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: 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 627 10410 4 4952 15019 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:58:58:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84813sec preferred_lft 84813sec inet6 fe80::f816:3eff:fe58:58bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:1f:73:72:43:80 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-16862) 05/19/26 _x86_64_ (4 CPU) 16:08:47 LINUX RESTART (4 CPU) 16:10:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:02 19.27 3.38 15.03 0.86 392.04 3961.37 680.61 16:30:01 10.15 0.53 9.07 0.55 19.73 1755.78 1078.30 Average: 14.61 1.93 11.98 0.70 201.80 2834.42 883.81 16:10:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:02 9600316 12697500 3265712 19.95 113416 3147748 3519148 20.20 547480 5886220 188 16:30:01 7837072 11651484 4307076 26.31 132144 3806452 4709796 27.03 737292 7410632 252468 Average: 8718694 12174492 3786394 23.13 122780 3477100 4114472 23.62 642386 6648426 126328 16:10:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:02 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 16:20:02 ens3 74.68 58.13 855.45 10.02 0.00 0.00 0.00 0.00 16:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 209.22 209.22 199.23 199.23 0.00 0.00 0.00 0.00 16:30:01 ens3 42.00 28.23 435.38 4.08 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.15 107.15 101.82 101.82 0.00 0.00 0.00 0.00 Average: ens3 57.98 42.85 640.81 6.99 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-16862) 05/19/26 _x86_64_ (4 CPU) 16:08:47 LINUX RESTART (4 CPU) 16:10:28 CPU %user %nice %system %iowait %steal %idle 16:20:02 all 53.41 0.00 1.13 0.22 0.11 45.13 16:20:02 0 52.30 0.00 1.14 0.33 0.11 46.12 16:20:02 1 54.23 0.00 1.05 0.24 0.11 44.36 16:20:02 2 47.11 0.00 1.10 0.10 0.11 51.58 16:20:02 3 60.01 0.00 1.23 0.20 0.12 38.44 16:30:01 all 50.80 0.00 0.90 0.08 0.11 48.11 16:30:01 0 35.91 0.00 0.79 0.13 0.09 63.08 16:30:01 1 54.72 0.00 0.98 0.07 0.11 44.13 16:30:01 2 41.17 0.00 0.88 0.08 0.10 57.78 16:30:01 3 71.45 0.00 0.95 0.07 0.13 27.41 Average: all 52.08 0.00 1.01 0.15 0.11 46.65 Average: 0 43.92 0.00 0.96 0.23 0.10 54.79 Average: 1 54.48 0.00 1.02 0.15 0.11 44.24 Average: 2 44.08 0.00 0.98 0.09 0.10 54.75 Average: 3 65.85 0.00 1.09 0.13 0.12 32.80