---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35539 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: 5600.00 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 713 10451 4 4824 14933 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:8d:6e:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84621sec preferred_lft 84621sec inet6 fe80::f816:3eff:fe8d:6e17/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:8b:35:78:03:c5 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-35539) 07/13/26 _x86_64_ (4 CPU) 14:11:21 LINUX RESTART (4 CPU) 14:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:08 11.04 0.46 9.47 1.10 17.67 2285.04 2543.75 14:40:01 27.95 0.57 23.17 4.21 22.33 3757.22 10718.29 Average: 19.44 0.51 16.28 2.65 19.98 3016.56 6605.65 14:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:08 9453548 13111556 2845576 17.38 147268 3600944 3067156 17.61 650464 5850200 29820 14:40:01 10828760 15409764 539604 3.30 172756 4439196 1028728 5.90 902208 4147536 144 Average: 10141154 14260660 1692590 10.34 160012 4020070 2047942 11.76 776336 4998868 14982 14:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:08 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 14:30:08 ens3 75.46 58.19 103.66 18.47 0.00 0.00 0.00 0.00 14:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 1605.06 1605.06 1516.64 1516.64 0.00 0.00 0.00 0.00 14:40:01 ens3 120.16 105.79 418.85 188.32 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 798.28 798.28 753.69 753.69 0.00 0.00 0.00 0.00 Average: ens3 97.67 81.84 260.28 102.87 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-35539) 07/13/26 _x86_64_ (4 CPU) 14:11:21 LINUX RESTART (4 CPU) 14:20:08 CPU %user %nice %system %iowait %steal %idle 14:30:08 all 72.46 0.00 2.26 0.02 0.12 25.13 14:30:08 0 72.22 0.00 2.00 0.03 0.12 25.63 14:30:08 1 72.92 0.00 2.41 0.03 0.12 24.53 14:30:08 2 71.76 0.00 2.40 0.01 0.12 25.71 14:30:08 3 72.97 0.00 2.23 0.02 0.12 24.66 14:40:01 all 44.40 0.00 2.12 0.18 0.09 53.21 14:40:01 0 46.63 0.00 2.27 0.35 0.09 50.67 14:40:01 1 44.76 0.00 2.24 0.15 0.09 52.76 14:40:01 2 42.33 0.00 2.11 0.18 0.09 55.30 14:40:01 3 43.87 0.00 1.88 0.03 0.09 54.13 Average: all 58.52 0.00 2.19 0.10 0.11 39.09 Average: 0 59.50 0.00 2.13 0.19 0.11 38.08 Average: 1 58.93 0.00 2.32 0.09 0.11 38.56 Average: 2 57.14 0.00 2.25 0.10 0.10 40.41 Average: 3 58.51 0.00 2.06 0.03 0.11 39.30