---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15392 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 668 10306 4 5013 14978 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:ed:12:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84702sec preferred_lft 84702sec inet6 fe80::f816:3eff:feed:12fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2c:5a:b8:bd:8c 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-15392) 03/23/26 _x86_64_ (4 CPU) 09:52:18 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 11.61 0.46 10.12 1.04 16.63 2621.49 816.81 10:20:01 30.68 0.78 25.61 4.29 28.52 3745.51 4227.80 Average: 21.14 0.62 17.86 2.67 22.57 3183.28 2521.64 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9836536 13667456 2288872 13.98 153236 3766340 2511488 14.42 796612 5311664 18776 10:20:01 10570064 15347360 602548 3.68 185728 4619272 1106628 6.35 1062628 4237460 14660 Average: 10203300 14507408 1445710 8.83 169482 4192806 1809058 10.38 929620 4774562 16718 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 10:10:01 ens3 64.55 50.95 140.41 17.64 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1712.30 1712.30 1621.44 1621.44 0.00 0.00 0.00 0.00 10:20:01 ens3 120.36 109.69 416.84 204.01 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 856.50 856.50 810.47 810.47 0.00 0.00 0.00 0.00 Average: ens3 92.45 80.31 278.57 110.79 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-15392) 03/23/26 _x86_64_ (4 CPU) 09:52:18 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 72.92 0.00 2.24 0.03 0.11 24.71 10:10:01 0 72.99 0.00 2.09 0.01 0.11 24.80 10:10:01 1 74.06 0.00 2.17 0.04 0.11 23.63 10:10:01 2 70.32 0.00 2.15 0.03 0.11 27.39 10:10:01 3 74.31 0.00 2.56 0.02 0.11 23.00 10:20:01 all 46.93 0.00 2.19 0.07 0.09 50.73 10:20:01 0 49.39 0.00 2.42 0.08 0.08 48.02 10:20:01 1 47.97 0.00 2.13 0.08 0.09 49.73 10:20:01 2 44.02 0.00 2.09 0.03 0.09 53.77 10:20:01 3 46.32 0.00 2.12 0.08 0.09 51.40 Average: all 59.93 0.00 2.21 0.05 0.10 37.71 Average: 0 61.20 0.00 2.26 0.05 0.09 36.41 Average: 1 61.02 0.00 2.15 0.06 0.10 36.67 Average: 2 57.19 0.00 2.12 0.03 0.10 40.56 Average: 3 60.32 0.00 2.34 0.05 0.10 37.20