---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6022 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 609 10178 4 5200 15037 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:44:2d:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84827sec preferred_lft 84827sec inet6 fe80::f816:3eff:fe44:2dab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:13:a4:6a:29:f9 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-6022) 03/19/26 _x86_64_ (4 CPU) 10:54:57 LINUX RESTART (4 CPU) 11:00:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:14 27.43 0.04 23.44 3.95 5.79 4424.25 493.19 11:20:12 32.72 0.38 16.45 15.88 401.96 3716.48 235930.40 Average: 30.10 0.21 19.91 9.98 205.97 4066.63 119453.35 11:00:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:14 7422768 11861296 4096508 25.02 153084 4398124 4120884 23.65 597516 7924288 142832 11:20:12 10523816 15482928 471200 2.88 164812 4887964 991984 5.69 748024 4677908 245148 Average: 8973292 13672112 2283854 13.95 158948 4643044 2556434 14.67 672770 6301098 193990 11:00:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:14 lo 2.57 2.57 0.80 0.80 0.00 0.00 0.00 0.00 11:10:14 ens3 48.43 34.65 131.59 2.56 0.00 0.00 0.00 0.00 11:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:12 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 11:20:12 ens3 28.11 20.70 51.56 1.63 0.00 0.00 0.00 0.00 11:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.90 1.90 0.46 0.46 0.00 0.00 0.00 0.00 Average: ens3 38.16 27.60 91.15 2.09 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-6022) 03/19/26 _x86_64_ (4 CPU) 10:54:57 LINUX RESTART (4 CPU) 11:00:29 CPU %user %nice %system %iowait %steal %idle 11:10:14 all 6.04 0.00 0.41 0.47 0.05 93.03 11:10:14 0 5.68 0.00 0.41 0.36 0.04 93.51 11:10:14 1 5.88 0.00 0.49 0.96 0.05 92.62 11:10:14 2 6.12 0.00 0.35 0.22 0.05 93.25 11:10:14 3 6.46 0.00 0.40 0.35 0.05 92.74 11:20:12 all 2.35 0.00 0.37 0.49 0.04 96.76 11:20:12 0 1.82 0.00 0.37 0.69 0.04 97.08 11:20:12 1 2.61 0.00 0.34 0.22 0.04 96.79 11:20:12 2 2.59 0.00 0.39 0.62 0.04 96.35 11:20:12 3 2.36 0.00 0.36 0.44 0.03 96.80 Average: all 4.17 0.00 0.39 0.48 0.04 94.91 Average: 0 3.73 0.00 0.39 0.53 0.04 95.31 Average: 1 4.23 0.00 0.41 0.58 0.04 94.73 Average: 2 4.34 0.00 0.37 0.43 0.04 94.82 Average: 3 4.39 0.00 0.38 0.40 0.04 94.80