---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-45287 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 599 10645 4 4743 15046 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:f9:5e:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fef9:5e74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:77:93:88:9d:aa 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-45287) 03/25/26 _x86_64_ (4 CPU) 10:54:22 LINUX RESTART (4 CPU) 11:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:07 4.06 0.08 3.83 0.16 7.93 611.83 16.96 11:20:04 15.27 0.52 13.67 1.08 19.09 2081.65 3111.94 Average: 9.65 0.30 8.74 0.62 13.50 1344.73 1560.22 11:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:07 8528008 11490364 4473664 27.32 112816 3015944 4642492 26.65 493208 7013384 604 11:20:04 9315028 12978396 2981204 18.21 132148 3659076 3221324 18.49 698160 5979580 258308 Average: 8921518 12234380 3727434 22.77 122482 3337510 3931908 22.57 595684 6496482 129456 11:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:07 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 11:10:07 ens3 8.23 6.74 36.10 2.02 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 423.50 423.50 403.65 403.65 0.00 0.00 0.00 0.00 11:20:04 ens3 36.32 25.69 415.48 3.76 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 211.47 211.47 201.46 201.46 0.00 0.00 0.00 0.00 Average: ens3 22.24 16.19 225.27 2.89 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-45287) 03/25/26 _x86_64_ (4 CPU) 10:54:22 LINUX RESTART (4 CPU) 11:00:07 CPU %user %nice %system %iowait %steal %idle 11:10:07 all 45.87 0.00 0.67 0.08 0.09 53.29 11:10:07 0 39.72 0.00 0.60 0.09 0.09 59.50 11:10:07 1 43.63 0.00 0.76 0.14 0.09 55.39 11:10:07 2 62.82 0.00 0.73 0.01 0.11 36.34 11:10:07 3 37.32 0.00 0.60 0.07 0.09 61.92 11:20:04 all 53.55 0.00 1.21 0.05 0.10 45.09 11:20:04 0 43.99 0.00 1.18 0.08 0.09 54.65 11:20:04 1 49.77 0.00 1.35 0.03 0.09 48.76 11:20:04 2 43.85 0.00 1.18 0.04 0.10 54.83 11:20:04 3 76.57 0.00 1.12 0.07 0.11 22.13 Average: all 49.70 0.00 0.94 0.06 0.10 49.21 Average: 0 41.85 0.00 0.89 0.08 0.09 57.08 Average: 1 46.69 0.00 1.05 0.08 0.09 52.09 Average: 2 53.37 0.00 0.95 0.02 0.10 45.55 Average: 3 56.87 0.00 0.86 0.07 0.10 42.11