---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16279 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 12G 66G 15% / 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 684 9215 4 6089 14962 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:35:6f:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84589sec preferred_lft 84589sec inet6 fe80::f816:3eff:fe35:6f57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:5d:87:bb:b6:57 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16279) 12/25/25 _x86_64_ (4 CPU) 01:08:25 LINUX RESTART (4 CPU) 01:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:31 34.01 3.48 26.87 3.65 746.75 5046.05 73787.45 01:30:14 36.15 0.17 19.70 16.28 5.32 1645.75 274905.14 Average: 35.05 1.88 23.40 9.77 387.82 3399.95 171149.00 01:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:31 9621952 13275836 2681680 16.38 130252 3647928 2961188 17.00 855512 5512412 72 01:30:14 8805172 12830448 3124324 19.08 151484 3970588 3230800 18.54 991692 6155520 27296 Average: 9213562 13053142 2903002 17.73 140868 3809258 3095994 17.77 923602 5833966 13684 01:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:31 lo 25.09 25.09 5.87 5.87 0.00 0.00 0.00 0.00 01:20:31 ens3 83.00 63.85 764.04 12.57 0.00 0.00 0.00 0.00 01:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:14 lo 1234.75 1234.75 1148.06 1148.06 0.00 0.00 0.00 0.00 01:30:14 ens3 41.65 32.51 256.48 8.03 0.00 0.00 0.00 0.00 01:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 610.69 610.69 558.81 558.81 0.00 0.00 0.00 0.00 Average: ens3 62.98 48.68 518.33 10.37 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16279) 12/25/25 _x86_64_ (4 CPU) 01:08:25 LINUX RESTART (4 CPU) 01:10:09 CPU %user %nice %system %iowait %steal %idle 01:20:31 all 37.48 0.00 1.50 0.25 0.09 60.67 01:20:31 0 37.05 0.00 1.42 0.21 0.10 61.22 01:20:31 1 37.44 0.00 1.35 0.33 0.09 60.80 01:20:31 2 36.65 0.00 1.44 0.16 0.09 61.65 01:20:31 3 38.78 0.00 1.81 0.30 0.09 59.02 01:30:14 all 27.04 0.00 1.52 0.09 0.09 71.27 01:30:14 0 27.36 0.00 1.48 0.04 0.09 71.02 01:30:14 1 27.20 0.00 1.30 0.11 0.09 71.29 01:30:14 2 27.35 0.00 1.79 0.10 0.09 70.67 01:30:14 3 26.24 0.00 1.49 0.10 0.09 72.09 Average: all 32.43 0.00 1.51 0.17 0.09 65.80 Average: 0 32.36 0.00 1.45 0.13 0.09 65.97 Average: 1 32.48 0.00 1.33 0.22 0.09 65.88 Average: 2 32.15 0.00 1.61 0.13 0.09 66.02 Average: 3 32.71 0.00 1.65 0.20 0.09 65.34