---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-440163 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 668 10534 4 4785 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:cd:62:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84146sec preferred_lft 84146sec inet6 fe80::f816:3eff:fecd:62ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:0f:ee:59:88:e6 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-440163) 03/11/26 _x86_64_ (4 CPU) 09:13:50 LINUX RESTART (4 CPU) 09:20:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:18 8.93 1.97 6.74 0.22 127.95 1520.67 426.95 09:40:00 13.65 0.45 12.16 1.04 16.40 2527.35 2224.88 09:50:03 31.09 0.71 26.17 4.22 25.03 3833.10 2557.27 Average: 18.04 1.04 15.15 1.85 56.06 2641.25 1746.43 09:20:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:18 11462332 14330836 1631984 9.97 116084 2918056 1996156 11.46 484372 4090900 50808 09:40:00 10056488 13620684 2335936 14.27 148704 3513392 2530892 14.53 658176 5241812 24412 09:50:03 10837788 15376780 573004 3.50 172184 4399976 1079644 6.20 916096 4120492 204 Average: 10785536 14442767 1513641 9.24 145657 3610475 1868897 10.73 686215 4484401 25141 09:20:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:18 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 09:30:18 ens3 50.30 40.35 573.19 7.26 0.00 0.00 0.00 0.00 09:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 09:40:00 ens3 59.17 48.14 142.54 16.34 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:03 lo 1554.99 1554.99 1472.64 1472.64 0.00 0.00 0.00 0.00 09:50:03 ens3 110.48 94.17 407.58 164.44 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 530.81 530.81 502.22 502.22 0.00 0.00 0.00 0.00 Average: ens3 73.75 61.27 374.67 63.85 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-440163) 03/11/26 _x86_64_ (4 CPU) 09:13:50 LINUX RESTART (4 CPU) 09:20:36 CPU %user %nice %system %iowait %steal %idle 09:30:18 all 18.70 0.00 0.68 0.05 0.05 80.52 09:30:18 0 18.90 0.00 0.62 0.04 0.05 80.39 09:30:18 1 18.79 0.00 0.69 0.11 0.05 80.36 09:30:18 2 19.07 0.00 0.63 0.03 0.05 80.23 09:30:18 3 18.04 0.00 0.77 0.04 0.05 81.10 09:40:00 all 71.97 0.00 2.52 0.15 0.13 25.23 09:40:00 0 71.06 0.00 2.39 0.14 0.13 26.28 09:40:00 1 73.52 0.00 2.56 0.28 0.13 23.51 09:40:00 2 70.75 0.00 2.57 0.06 0.14 26.48 09:40:00 3 72.56 0.00 2.56 0.11 0.13 24.64 09:50:03 all 50.88 0.00 2.25 0.19 0.11 46.56 09:50:03 0 48.12 0.00 2.19 0.27 0.11 49.31 09:50:03 1 53.61 0.00 2.15 0.13 0.12 43.99 09:50:03 2 51.75 0.00 2.44 0.14 0.12 45.55 09:50:03 3 50.04 0.00 2.22 0.23 0.11 47.40 Average: all 47.21 0.00 1.82 0.13 0.10 50.74 Average: 0 46.01 0.00 1.74 0.15 0.10 52.01 Average: 1 48.68 0.00 1.81 0.17 0.10 49.24 Average: 2 47.23 0.00 1.89 0.08 0.10 50.71 Average: 3 46.91 0.00 1.85 0.12 0.10 51.02