---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53050 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: 5599.94 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 672 10287 4 5029 14974 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:19:a7:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84785sec preferred_lft 84785sec inet6 fe80::f816:3eff:fe19:a721/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:4f:4c:7c:0c:95 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-53050) 03/26/26 _x86_64_ (4 CPU) 04:33:16 LINUX RESTART (4 CPU) 04:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 11.90 0.53 10.32 1.05 19.01 2542.91 75.88 05:00:07 29.24 0.71 23.68 4.85 25.75 3636.37 3254.66 Average: 20.66 0.62 17.07 2.97 22.41 3095.01 1680.88 04:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 9315208 13276728 2678200 16.36 164092 3871984 3126292 17.94 835240 5773520 71084 05:00:07 10539776 15335156 613860 3.75 187332 4633656 1158392 6.65 1095336 4246380 12624 Average: 9927492 14305942 1646030 10.05 175712 4252820 2142342 12.30 965288 5009950 41854 04:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 04:50:01 ens3 69.35 53.53 160.84 17.64 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:07 lo 1660.52 1660.52 1569.64 1569.64 0.00 0.00 0.00 0.00 05:00:07 ens3 106.89 97.82 357.74 200.08 0.00 0.00 0.00 0.00 05:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.13 839.13 792.60 792.60 0.00 0.00 0.00 0.00 Average: ens3 88.31 75.89 260.26 109.76 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-53050) 03/26/26 _x86_64_ (4 CPU) 04:33:16 LINUX RESTART (4 CPU) 04:40:06 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 72.43 0.00 2.29 0.04 0.09 25.16 04:50:01 0 73.36 0.00 2.15 0.02 0.08 24.39 04:50:01 1 70.63 0.00 2.16 0.04 0.09 27.09 04:50:01 2 70.59 0.00 2.39 0.07 0.09 26.87 04:50:01 3 75.13 0.00 2.47 0.03 0.09 22.29 05:00:07 all 39.47 0.00 1.99 0.11 0.07 58.36 05:00:07 0 40.96 0.00 1.99 0.21 0.07 56.77 05:00:07 1 43.64 0.00 2.02 0.05 0.07 54.22 05:00:07 2 36.78 0.00 2.07 0.05 0.08 61.02 05:00:07 3 36.48 0.00 1.89 0.12 0.07 61.44 Average: all 55.79 0.00 2.14 0.07 0.08 41.92 Average: 0 57.00 0.00 2.07 0.12 0.08 40.74 Average: 1 57.01 0.00 2.09 0.04 0.08 40.78 Average: 2 53.52 0.00 2.23 0.06 0.08 44.11 Average: 3 55.62 0.00 2.17 0.08 0.08 42.05