---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4746 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 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 738 9591 4 5659 14908 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:8c:6b:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84843sec preferred_lft 84843sec inet6 fe80::f816:3eff:fe8c:6bfe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:19:ac:37:60:1d 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-4746) 04/20/26 _x86_64_ (4 CPU) 02:35:13 LINUX RESTART (4 CPU) 02:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 32.79 0.25 29.07 3.47 9.49 3433.80 10906.23 03:00:00 39.79 0.06 23.81 15.92 1.87 6163.99 245414.22 Average: 36.28 0.15 26.45 9.68 5.69 4795.93 127905.82 02:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 8905648 12901148 3053336 18.65 159996 3915744 3340248 19.17 783804 6255728 189272 03:00:00 5508176 10896340 5049448 30.84 197348 5174316 5263460 30.21 935184 9394680 309468 Average: 7206912 11898744 4051392 24.74 178672 4545030 4301854 24.69 859494 7825204 249370 02:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1599.81 1599.81 1525.48 1525.48 0.00 0.00 0.00 0.00 02:50:02 ens3 36.92 32.38 174.89 8.15 0.00 0.00 0.00 0.00 02:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:00 lo 510.93 510.93 485.95 485.95 0.00 0.00 0.00 0.00 03:00:00 ens3 44.37 37.93 231.48 10.17 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.55 1056.55 1006.84 1006.84 0.00 0.00 0.00 0.00 Average: ens3 40.63 35.15 203.12 9.16 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-4746) 04/20/26 _x86_64_ (4 CPU) 02:35:13 LINUX RESTART (4 CPU) 02:40:02 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 63.28 0.00 2.50 0.06 0.09 34.06 02:50:02 0 63.76 0.00 2.63 0.10 0.10 33.41 02:50:02 1 62.98 0.00 2.39 0.05 0.09 34.48 02:50:02 2 63.22 0.00 2.57 0.03 0.09 34.09 02:50:02 3 63.17 0.00 2.42 0.06 0.09 34.27 03:00:00 all 59.12 0.00 2.08 0.10 0.09 38.62 03:00:00 0 61.95 0.00 2.61 0.09 0.09 35.27 03:00:00 1 56.56 0.00 2.02 0.13 0.08 41.21 03:00:00 2 58.71 0.00 1.77 0.13 0.08 39.30 03:00:00 3 59.25 0.00 1.92 0.05 0.09 38.69 Average: all 61.20 0.00 2.29 0.08 0.09 36.34 Average: 0 62.85 0.00 2.62 0.10 0.09 34.34 Average: 1 59.77 0.00 2.21 0.09 0.09 37.84 Average: 2 60.97 0.00 2.17 0.08 0.09 36.69 Average: 3 61.21 0.00 2.17 0.05 0.09 36.48