---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38739 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 68G 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 661 10497 4 4830 14985 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:9e:94:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84436sec preferred_lft 84436sec inet6 fe80::f816:3eff:fe9e:9437/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:13:bc:76:93:bf 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38739) 07/25/26 _x86_64_ (4 CPU) 21:35:51 LINUX RESTART (4 CPU) 21:40:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:13 27.15 2.03 10.90 14.23 130.17 2486.88 250032.01 22:00:33 28.03 0.76 24.37 2.90 27.19 3202.20 6192.93 Average: 27.61 1.37 17.85 8.38 77.02 2856.06 124185.62 21:40:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:13 10115156 13366252 2594740 15.85 126584 3255316 3217204 18.47 540020 5345136 27528 22:00:33 9230872 13357988 2594508 15.85 164340 4015840 2694516 15.47 767360 5899872 11392 Average: 9673014 13362120 2594624 15.85 145462 3635578 2955860 16.97 653690 5622504 19460 21:40:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:13 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 21:50:13 ens3 89.14 68.00 670.49 14.13 0.00 0.00 0.00 0.00 21:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:33 lo 1169.08 1169.08 1113.95 1113.95 0.00 0.00 0.00 0.00 22:00:33 ens3 79.95 59.11 320.06 17.93 0.00 0.00 0.00 0.00 22:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 603.75 603.75 574.95 574.95 0.00 0.00 0.00 0.00 Average: ens3 84.40 63.41 489.63 16.09 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38739) 07/25/26 _x86_64_ (4 CPU) 21:35:51 LINUX RESTART (4 CPU) 21:40:33 CPU %user %nice %system %iowait %steal %idle 21:50:13 all 42.45 0.00 1.38 0.11 0.07 55.99 21:50:13 0 43.47 0.00 1.07 0.03 0.08 55.35 21:50:13 1 42.89 0.00 1.62 0.10 0.07 55.31 21:50:13 2 44.24 0.00 1.46 0.18 0.07 54.05 21:50:13 3 39.18 0.00 1.37 0.14 0.07 59.24 22:00:33 all 69.01 0.00 2.72 0.04 0.11 28.12 22:00:33 0 69.66 0.00 2.70 0.02 0.11 27.51 22:00:33 1 70.25 0.00 2.75 0.05 0.11 26.83 22:00:33 2 68.08 0.00 2.75 0.05 0.11 29.00 22:00:33 3 68.04 0.00 2.67 0.06 0.11 29.13 Average: all 56.14 0.00 2.07 0.08 0.09 41.62 Average: 0 56.98 0.00 1.91 0.03 0.09 40.99 Average: 1 57.00 0.00 2.20 0.08 0.09 40.63 Average: 2 56.54 0.00 2.13 0.11 0.09 41.13 Average: 3 54.06 0.00 2.04 0.10 0.09 43.72