---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3667 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: 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 9.2G 69G 12% / 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 589 11948 4 3451 15057 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:74:01:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85091sec preferred_lft 85091sec inet6 fe80::f816:3eff:fe74:110/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:2a:a6:b4:1e:01 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-3667) 12/04/25 _x86_64_ (4 CPU) 14:39:57 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 16.37 8.23 7.86 0.28 1221.09 10085.24 937.83 15:00:08 47.78 4.68 41.85 1.25 264.23 4334.57 2283.31 Average: 32.13 6.45 24.92 0.77 740.99 7199.86 1612.92 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 13764680 15539520 477712 2.92 55740 1945192 1126120 6.46 200020 2171968 8 15:00:08 10285904 13550908 2409708 14.72 129144 3278684 2720392 15.62 580840 5129296 255820 Average: 12025292 14545214 1443710 8.82 92442 2611938 1923256 11.04 390430 3650632 127914 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 14:50:02 ens3 23.26 15.87 154.23 2.47 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:08 lo 159.53 159.53 151.18 151.18 0.00 0.00 0.00 0.00 15:00:08 ens3 114.28 84.51 882.92 16.78 0.00 0.00 0.00 0.00 15:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 80.19 80.19 75.87 75.87 0.00 0.00 0.00 0.00 Average: ens3 68.93 50.31 519.85 9.65 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-3667) 12/04/25 _x86_64_ (4 CPU) 14:39:57 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 0.76 0.00 0.22 0.47 0.02 98.53 14:50:02 0 0.59 0.00 0.18 0.70 0.02 98.51 14:50:02 1 0.71 0.00 0.20 0.17 0.02 98.91 14:50:02 2 1.04 0.00 0.20 0.42 0.04 98.30 14:50:02 3 0.70 0.00 0.32 0.58 0.02 98.39 15:00:08 all 45.02 0.00 1.67 0.28 0.07 52.96 15:00:08 0 43.20 0.00 1.71 0.09 0.07 54.92 15:00:08 1 44.57 0.00 1.46 0.04 0.07 53.86 15:00:08 2 48.11 0.00 1.83 0.63 0.07 49.37 15:00:08 3 44.22 0.00 1.67 0.34 0.07 53.71 Average: all 22.94 0.00 0.95 0.37 0.05 75.69 Average: 0 21.95 0.00 0.95 0.40 0.04 76.66 Average: 1 22.70 0.00 0.83 0.11 0.04 76.32 Average: 2 24.62 0.00 1.02 0.52 0.06 73.78 Average: 3 22.49 0.00 0.99 0.46 0.04 76.02