---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39161 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: 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 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 672 10489 4 4827 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:d8:bd:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84575sec preferred_lft 84575sec inet6 fe80::f816:3eff:fed8:bdf0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:35:55:4c:78:59 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-39161) 07/26/26 _x86_64_ (4 CPU) 21:17:50 LINUX RESTART (4 CPU) 21:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:17 12.25 1.98 9.81 0.46 127.00 2282.02 1285.80 21:40:21 21.68 0.77 19.11 1.79 27.81 3213.92 4141.83 Average: 17.00 1.37 14.49 1.13 77.07 2751.09 2723.37 21:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:17 10815852 14023388 1937524 11.83 124636 3217868 2294228 13.17 531664 4651480 29732 21:40:21 9023680 13239012 2713504 16.57 162824 4104124 2955784 16.97 766884 6124964 104304 Average: 9919766 13631200 2325514 14.20 143730 3660996 2625006 15.07 649274 5388222 67018 21:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:17 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 21:30:17 ens3 77.76 63.20 647.30 12.45 0.00 0.00 0.00 0.00 21:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:21 lo 624.41 624.41 594.70 594.70 0.00 0.00 0.00 0.00 21:40:21 ens3 93.42 66.25 327.93 17.87 0.00 0.00 0.00 0.00 21:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 314.63 314.63 299.37 299.37 0.00 0.00 0.00 0.00 Average: ens3 85.64 64.73 486.55 15.18 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-39161) 07/26/26 _x86_64_ (4 CPU) 21:17:50 LINUX RESTART (4 CPU) 21:20:21 CPU %user %nice %system %iowait %steal %idle 21:30:17 all 36.09 0.00 1.11 0.06 0.07 62.67 21:30:17 0 36.64 0.00 1.11 0.08 0.06 62.10 21:30:17 1 36.26 0.00 1.07 0.05 0.07 62.56 21:30:17 2 35.44 0.00 1.10 0.06 0.07 63.34 21:30:17 3 36.04 0.00 1.17 0.04 0.07 62.69 21:40:21 all 70.43 0.00 2.44 0.06 0.12 26.95 21:40:21 0 69.39 0.00 2.43 0.03 0.12 28.02 21:40:21 1 69.04 0.00 2.04 0.10 0.11 28.71 21:40:21 2 70.97 0.00 3.03 0.05 0.12 25.83 21:40:21 3 72.34 0.00 2.26 0.04 0.12 25.25 Average: all 53.37 0.00 1.78 0.06 0.09 44.70 Average: 0 53.13 0.00 1.78 0.06 0.09 44.95 Average: 1 52.73 0.00 1.55 0.08 0.09 45.55 Average: 2 53.31 0.00 2.07 0.05 0.09 44.48 Average: 3 54.30 0.00 1.72 0.04 0.09 43.85