---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471051 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 668 9577 4 5743 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:0b:89:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84748sec preferred_lft 84748sec inet6 fe80::f816:3eff:fe0b:8908/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:14:55:bd:ea:d4 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-471051) 03/14/26 _x86_64_ (4 CPU) 10:48:21 LINUX RESTART (4 CPU) 10:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:26 30.83 3.26 24.31 3.26 166.45 4580.45 34711.67 11:10:27 22.14 0.16 18.73 3.25 5.01 1614.58 28080.87 Average: 26.55 1.73 21.56 3.26 86.97 3120.30 31447.21 10:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:26 9753012 13138436 2821064 17.23 126776 3384676 3143720 18.04 662868 5577440 228 11:10:27 9451300 13166816 2789656 17.04 144372 3675704 2889832 16.59 783300 5727384 18304 Average: 9602156 13152626 2805360 17.13 135574 3530190 3016776 17.32 723084 5652412 9266 10:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:26 lo 24.35 24.35 5.73 5.73 0.00 0.00 0.00 0.00 11:00:26 ens3 58.73 46.25 615.67 8.91 0.00 0.00 0.00 0.00 11:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:27 lo 1336.33 1336.33 1246.71 1246.71 0.00 0.00 0.00 0.00 11:10:27 ens3 32.14 22.03 262.61 4.64 0.00 0.00 0.00 0.00 11:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 670.26 670.26 616.68 616.68 0.00 0.00 0.00 0.00 Average: ens3 45.64 34.32 441.85 6.81 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-471051) 03/14/26 _x86_64_ (4 CPU) 10:48:21 LINUX RESTART (4 CPU) 10:50:07 CPU %user %nice %system %iowait %steal %idle 11:00:26 all 37.98 0.00 1.45 0.25 0.11 60.21 11:00:26 0 37.76 0.00 1.38 0.32 0.11 60.43 11:00:26 1 39.67 0.00 1.70 0.12 0.12 58.39 11:00:26 2 37.95 0.00 1.27 0.41 0.10 60.27 11:00:26 3 36.56 0.00 1.46 0.14 0.11 61.73 11:10:27 all 30.12 0.00 1.63 0.08 0.12 68.05 11:10:27 0 29.48 0.00 1.65 0.10 0.12 68.66 11:10:27 1 30.23 0.00 1.72 0.06 0.12 67.88 11:10:27 2 31.12 0.00 1.65 0.05 0.12 67.05 11:10:27 3 29.68 0.00 1.51 0.10 0.12 68.59 Average: all 34.12 0.00 1.54 0.16 0.11 64.06 Average: 0 33.69 0.00 1.51 0.21 0.11 64.48 Average: 1 35.02 0.00 1.71 0.09 0.12 63.06 Average: 2 34.59 0.00 1.45 0.23 0.11 63.61 Average: 3 33.17 0.00 1.48 0.12 0.12 65.11