---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39266 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 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 694 10472 4 4822 14952 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:75:88:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84894sec preferred_lft 84894sec inet6 fe80::f816:3eff:fe75:8822/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:17:b0:ce:a7:34 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-39266) 07/27/26 _x86_64_ (4 CPU) 02:15:51 LINUX RESTART (4 CPU) 02:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 11.94 0.50 10.33 1.12 19.39 2292.32 3155.66 02:40:29 29.90 0.58 24.69 4.62 24.11 3777.26 4464.53 Average: 21.22 0.54 17.75 2.93 21.83 3059.97 3832.29 02:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 10033636 13652500 2304768 14.08 145392 3568224 2512744 14.42 640820 5290728 20744 02:40:29 10816752 15400356 550020 3.36 173472 4440460 1094820 6.28 912600 4146160 12144 Average: 10425194 14526428 1427394 8.72 159432 4004342 1803782 10.35 776710 4718444 16444 02:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 02:30:01 ens3 79.38 58.67 105.12 18.66 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:29 lo 1567.14 1567.14 1480.60 1480.60 0.00 0.00 0.00 0.00 02:40:29 ens3 134.72 113.93 407.78 184.00 0.00 0.00 0.00 0.00 02:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 810.83 810.83 765.48 765.48 0.00 0.00 0.00 0.00 Average: ens3 107.99 87.23 261.58 104.14 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-39266) 07/27/26 _x86_64_ (4 CPU) 02:15:51 LINUX RESTART (4 CPU) 02:20:14 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 72.64 0.00 2.30 0.06 0.12 24.88 02:30:01 0 70.72 0.00 2.08 0.04 0.12 27.04 02:30:01 1 74.21 0.00 2.47 0.07 0.12 23.12 02:30:01 2 74.50 0.00 2.50 0.04 0.12 22.83 02:30:01 3 71.14 0.00 2.13 0.07 0.12 26.54 02:40:29 all 48.03 0.00 2.23 0.64 0.10 48.99 02:40:29 0 44.79 0.00 2.11 0.15 0.09 52.86 02:40:29 1 49.34 0.00 2.05 1.70 0.10 46.80 02:40:29 2 52.07 0.00 2.45 0.37 0.10 45.01 02:40:29 3 45.94 0.00 2.31 0.36 0.10 51.29 Average: all 59.92 0.00 2.26 0.36 0.11 37.35 Average: 0 57.31 0.00 2.09 0.10 0.11 40.39 Average: 1 61.36 0.00 2.26 0.91 0.11 35.35 Average: 2 62.90 0.00 2.48 0.21 0.11 34.30 Average: 3 58.10 0.00 2.22 0.22 0.11 39.35