---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-80332 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 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 599 10673 4 4716 15047 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:a2:5a:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84794sec preferred_lft 84794sec inet6 fe80::f816:3eff:fea2:5a07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:a2:1a:6e:36:29 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-80332) 03/05/26 _x86_64_ (4 CPU) 20:08:41 LINUX RESTART (4 CPU) 20:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:06 14.27 2.98 10.86 0.42 163.39 3202.15 297.75 20:30:00 3.94 0.20 3.62 0.12 6.42 446.39 35.99 Average: 9.13 1.60 7.26 0.27 85.30 1831.26 167.53 20:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:06 9724428 12623548 3340480 20.40 112724 2953732 3594316 20.63 492704 5822336 240 20:30:00 10727756 13770880 2192412 13.39 117552 3081708 2421376 13.90 524556 4775240 20500 Average: 10226092 13197214 2766446 16.90 115138 3017720 3007846 17.27 508630 5298788 10370 20:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:06 lo 0.44 0.44 0.05 0.05 0.00 0.00 0.00 0.00 20:20:06 ens3 71.02 56.10 730.51 9.50 0.00 0.00 0.00 0.00 20:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 0.75 0.75 0.38 0.38 0.00 0.00 0.00 0.00 20:30:00 ens3 9.37 7.51 44.80 1.80 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.59 0.59 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 40.35 31.93 389.39 5.67 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-80332) 03/05/26 _x86_64_ (4 CPU) 20:08:41 LINUX RESTART (4 CPU) 20:10:06 CPU %user %nice %system %iowait %steal %idle 20:20:06 all 48.65 0.00 1.02 0.14 0.09 50.10 20:20:06 0 54.53 0.00 0.78 0.05 0.09 44.56 20:20:06 1 49.76 0.00 1.13 0.10 0.08 48.93 20:20:06 2 49.92 0.00 1.28 0.23 0.09 48.47 20:20:06 3 40.39 0.00 0.90 0.17 0.08 58.47 20:30:00 all 46.65 0.00 0.54 0.17 0.07 52.56 20:30:00 0 48.95 0.00 0.53 0.04 0.07 50.42 20:30:00 1 56.60 0.00 0.65 0.06 0.08 42.61 20:30:00 2 39.92 0.00 0.44 0.35 0.06 59.23 20:30:00 3 41.19 0.00 0.52 0.25 0.08 57.96 Average: all 47.66 0.00 0.78 0.16 0.08 51.33 Average: 0 51.75 0.00 0.65 0.04 0.08 47.47 Average: 1 53.16 0.00 0.89 0.08 0.08 45.78 Average: 2 44.94 0.00 0.86 0.29 0.08 53.83 Average: 3 40.79 0.00 0.71 0.21 0.08 58.21