---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12109 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 683 9220 4 6084 14963 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:fe:78:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84415sec preferred_lft 84415sec inet6 fe80::f816:3eff:fefe:7896/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:30:14:14:d9:d7 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-12109) 12/10/25 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 30.14 3.05 23.55 3.54 752.19 4243.13 96126.72 01:30:07 20.84 0.16 17.86 2.82 5.23 1567.78 24909.45 Average: 25.48 1.60 20.69 3.18 377.24 2900.19 60377.94 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9333464 12986988 2970572 18.14 130436 3647592 3287560 18.87 855728 5797312 1720 01:30:07 9040560 13045156 2909012 17.77 151232 3950720 3026940 17.37 979892 5910400 21016 Average: 9187012 13016072 2939792 17.96 140834 3799156 3157250 18.12 917810 5853856 11368 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 22.13 22.13 5.00 5.00 0.00 0.00 0.00 0.00 01:20:01 ens3 60.99 46.62 756.85 9.67 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:07 lo 1265.70 1265.70 1177.18 1177.18 0.00 0.00 0.00 0.00 01:30:07 ens3 31.83 22.00 245.28 6.35 0.00 0.00 0.00 0.00 01:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 646.36 646.36 593.40 593.40 0.00 0.00 0.00 0.00 Average: ens3 46.35 34.26 500.06 8.01 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-12109) 12/10/25 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 40.27 0.00 1.64 0.19 0.10 57.80 01:20:01 0 38.17 0.00 1.66 0.24 0.09 59.83 01:20:01 1 40.08 0.00 1.66 0.20 0.09 57.97 01:20:01 2 42.26 0.00 1.78 0.10 0.10 55.77 01:20:01 3 40.59 0.00 1.45 0.22 0.11 57.64 01:30:07 all 25.63 0.00 1.48 0.08 0.09 72.73 01:30:07 0 25.72 0.00 1.34 0.04 0.09 72.81 01:30:07 1 25.75 0.00 1.72 0.04 0.09 72.40 01:30:07 2 26.47 0.00 1.51 0.06 0.09 71.88 01:30:07 3 24.57 0.00 1.36 0.17 0.08 73.82 Average: all 32.92 0.00 1.56 0.13 0.09 65.30 Average: 0 31.91 0.00 1.50 0.14 0.09 66.35 Average: 1 32.88 0.00 1.69 0.12 0.09 65.22 Average: 2 34.33 0.00 1.64 0.08 0.09 63.86 Average: 3 32.54 0.00 1.40 0.19 0.09 65.77