---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450538 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: 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 12G 67G 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 708 9470 4 5809 14938 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:41:cf:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:fe41:cf66/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:bf:68:b3:24:b2 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-450538) 03/12/26 _x86_64_ (4 CPU) 08:46:49 LINUX RESTART (4 CPU) 08:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:14 32.34 2.99 26.94 2.41 544.83 5685.68 26542.65 09:10:14 32.22 0.05 28.82 3.35 1.59 6003.15 21111.21 Average: 32.28 1.53 27.88 2.88 274.29 5843.78 23837.71 08:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:14 9589792 13505888 2448636 14.96 160156 3844580 2657940 15.26 846312 5507240 16176 09:10:14 7199396 12539536 3408364 20.82 192460 5162120 3609928 20.72 1148108 7515920 28448 Average: 8394594 13022712 2928500 17.89 176308 4503350 3133934 17.99 997210 6511580 22312 08:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:14 lo 870.89 870.89 829.85 829.85 0.00 0.00 0.00 0.00 09:00:14 ens3 108.17 83.27 987.17 17.78 0.00 0.00 0.00 0.00 09:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:14 lo 1276.77 1276.77 1216.70 1216.70 0.00 0.00 0.00 0.00 09:10:14 ens3 59.08 47.50 230.43 14.05 0.00 0.00 0.00 0.00 09:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1073.02 1073.02 1022.51 1022.51 0.00 0.00 0.00 0.00 Average: ens3 83.72 65.46 610.30 15.92 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-450538) 03/12/26 _x86_64_ (4 CPU) 08:46:49 LINUX RESTART (4 CPU) 08:50:09 CPU %user %nice %system %iowait %steal %idle 09:00:14 all 65.99 0.00 2.39 0.20 0.11 31.30 09:00:14 0 65.87 0.00 2.15 0.14 0.11 31.74 09:00:14 1 68.23 0.00 2.46 0.17 0.11 29.03 09:00:14 2 65.89 0.00 2.59 0.21 0.11 31.20 09:00:14 3 63.99 0.00 2.36 0.30 0.11 33.24 09:10:14 all 57.84 0.00 2.40 0.24 0.11 39.42 09:10:14 0 54.69 0.00 2.23 0.28 0.11 42.70 09:10:14 1 59.94 0.00 2.35 0.13 0.12 37.46 09:10:14 2 56.56 0.00 2.38 0.25 0.11 40.70 09:10:14 3 60.17 0.00 2.64 0.29 0.11 36.79 Average: all 61.93 0.00 2.40 0.22 0.11 35.34 Average: 0 60.30 0.00 2.19 0.21 0.11 37.20 Average: 1 64.10 0.00 2.41 0.15 0.11 33.22 Average: 2 61.24 0.00 2.48 0.23 0.11 35.94 Average: 3 62.09 0.00 2.50 0.29 0.11 35.01