---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-829 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 9.8G 68G 13% / 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 647 11185 4 4156 14999 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:44:ed:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84781sec preferred_lft 84781sec inet6 fe80::f816:3eff:fe44:ed57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:53:de:88:ab:63 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-829) 07/31/26 _x86_64_ (4 CPU) 04:55:15 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:03 9.20 1.96 6.91 0.33 125.95 1819.06 946.57 05:20:04 24.19 0.48 8.83 14.89 17.88 2067.70 240081.90 Average: 16.69 1.22 7.87 7.60 71.93 1943.34 120478.44 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:03 11061156 14127720 1834724 11.21 119352 3094348 2179592 12.51 498024 4453084 32460 05:20:04 9914732 13577964 2378800 14.53 148316 3604496 2568036 14.74 658856 5387156 19684 Average: 10487944 13852842 2106762 12.87 133834 3349422 2373814 13.63 578440 4920120 26072 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:03 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 05:10:03 ens3 77.08 59.61 656.78 10.43 0.00 0.00 0.00 0.00 05:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:04 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 05:20:04 ens3 71.67 52.77 101.13 16.73 0.00 0.00 0.00 0.00 05:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 74.38 56.19 379.04 13.58 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-829) 07/31/26 _x86_64_ (4 CPU) 04:55:15 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:03 all 25.48 0.00 0.87 0.04 0.05 73.56 05:10:03 0 25.99 0.00 0.89 0.02 0.04 73.05 05:10:03 1 24.33 0.00 0.87 0.08 0.05 74.67 05:10:03 2 25.56 0.00 0.67 0.05 0.05 73.68 05:10:03 3 26.03 0.00 1.07 0.02 0.05 72.83 05:20:04 all 72.10 0.00 2.46 0.04 0.10 25.31 05:20:04 0 71.85 0.00 2.61 0.03 0.10 25.42 05:20:04 1 74.99 0.00 2.86 0.05 0.10 22.00 05:20:04 2 70.24 0.00 2.21 0.03 0.10 27.42 05:20:04 3 71.30 0.00 2.14 0.05 0.10 26.42 Average: all 48.76 0.00 1.66 0.04 0.07 49.47 Average: 0 48.89 0.00 1.75 0.03 0.07 49.27 Average: 1 49.65 0.00 1.86 0.06 0.08 48.35 Average: 2 47.87 0.00 1.44 0.04 0.07 50.58 Average: 3 48.62 0.00 1.60 0.03 0.07 49.67