---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427129 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 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 626 10319 4 5043 15020 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:81:f7:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84202sec preferred_lft 84202sec inet6 fe80::f816:3eff:fe81:f7ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:62:b2:bd:72:d2 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-427129) 03/10/26 _x86_64_ (4 CPU) 11:40:28 LINUX RESTART (4 CPU) 11:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 23.90 0.01 21.38 2.50 0.19 2193.45 10841.48 12:10:06 17.47 0.03 15.89 1.54 0.71 3734.50 9612.38 Average: 20.66 0.02 18.62 2.02 0.45 2969.56 10222.47 11:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 8650712 12658088 3297292 20.14 152600 3953304 3530712 20.27 895440 6409376 86560 12:10:06 5131184 9971748 5980768 36.53 163024 4745684 5628692 32.31 1159084 9587852 29860 Average: 6890948 11314918 4639030 28.33 157812 4349494 4579702 26.29 1027262 7998614 58210 11:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 1061.50 1061.50 1011.00 1011.00 0.00 0.00 0.00 0.00 12:00:01 ens3 26.94 23.12 38.93 6.72 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 765.49 765.49 7341.78 7341.78 0.00 0.00 0.00 0.00 12:10:06 ens3 14.27 12.54 12.89 3.99 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 912.42 912.42 4199.34 4199.34 0.00 0.00 0.00 0.00 Average: ens3 20.55 17.79 25.81 5.35 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-427129) 03/10/26 _x86_64_ (4 CPU) 11:40:28 LINUX RESTART (4 CPU) 11:50:06 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 67.20 0.00 2.27 0.08 0.12 30.33 12:00:01 0 66.60 0.00 2.02 0.09 0.11 31.18 12:00:01 1 66.52 0.00 2.58 0.11 0.12 30.67 12:00:01 2 68.11 0.00 2.36 0.07 0.12 29.33 12:00:01 3 67.58 0.00 2.11 0.06 0.12 30.14 12:10:06 all 47.03 0.00 1.58 0.15 0.10 51.14 12:10:06 0 53.08 0.00 1.52 0.09 0.10 45.22 12:10:06 1 46.65 0.00 1.72 0.30 0.11 51.23 12:10:06 2 43.14 0.00 1.46 0.07 0.10 55.23 12:10:06 3 45.28 0.00 1.61 0.13 0.11 52.88 Average: all 57.03 0.00 1.92 0.11 0.11 40.82 Average: 0 59.78 0.00 1.77 0.09 0.11 38.26 Average: 1 56.51 0.00 2.15 0.21 0.11 41.03 Average: 2 55.50 0.00 1.91 0.07 0.11 42.41 Average: 3 56.35 0.00 1.85 0.09 0.11 41.59