---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29562 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: 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 627 10398 4 4963 15019 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:d9:31:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84901sec preferred_lft 84901sec inet6 fe80::f816:3eff:fed9:31a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:53:5b:8a:92:4e 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-29562) 06/22/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:00 58.19 4.35 39.86 13.98 264.36 4527.67 242220.75 17:30:00 5.20 0.40 4.57 0.23 14.16 733.99 33.92 Average: 31.70 2.37 22.22 7.10 139.26 2630.81 121126.32 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:00 10354916 13410224 2553220 15.59 114484 3099236 2832656 16.26 489788 5172588 26980 17:30:00 9683156 13297620 2662304 16.26 129184 3610228 2946176 16.91 561188 5719956 369260 Average: 10019036 13353922 2607762 15.93 121834 3354732 2889416 16.59 525488 5446272 198120 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:00 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 17:20:00 ens3 94.83 74.28 918.72 13.79 0.00 0.00 0.00 0.00 17:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:00 lo 91.62 91.62 86.61 86.61 0.00 0.00 0.00 0.00 17:30:00 ens3 35.79 25.72 451.12 3.39 0.00 0.00 0.00 0.00 17:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 46.07 46.07 43.33 43.33 0.00 0.00 0.00 0.00 Average: ens3 65.31 50.00 684.92 8.59 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-29562) 06/22/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:00 all 44.74 0.00 1.20 0.27 0.08 53.71 17:20:00 0 42.05 0.00 1.04 0.09 0.08 56.75 17:20:00 1 38.49 0.00 1.23 0.12 0.08 60.09 17:20:00 2 44.48 0.00 1.35 0.46 0.08 53.63 17:20:00 3 54.00 0.00 1.17 0.41 0.08 44.34 17:30:00 all 48.11 0.00 0.71 0.02 0.07 51.09 17:30:00 0 52.07 0.00 0.56 0.01 0.07 47.28 17:30:00 1 47.40 0.00 0.81 0.04 0.08 51.68 17:30:00 2 53.45 0.00 0.83 0.01 0.08 45.64 17:30:00 3 39.54 0.00 0.63 0.02 0.07 59.75 Average: all 46.43 0.00 0.95 0.14 0.08 52.40 Average: 0 47.06 0.00 0.80 0.05 0.08 52.01 Average: 1 42.93 0.00 1.02 0.08 0.08 55.89 Average: 2 48.97 0.00 1.09 0.24 0.08 49.63 Average: 3 46.76 0.00 0.90 0.21 0.07 52.06