---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3756 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 11G 67G 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 656 9774 4 5558 14990 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:57:7c:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fe57:7c9c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:50:fd:88:cc:41 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-3756) 12/05/25 _x86_64_ (4 CPU) 00:37:26 LINUX RESTART (4 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 48.10 2.90 39.93 5.27 750.74 4162.51 126103.53 01:00:06 15.69 0.20 13.79 1.70 6.28 1632.47 4700.08 Average: 31.84 1.55 26.82 3.48 377.37 2893.61 65215.59 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 9676144 13240704 2718268 16.60 148132 3551332 3071284 17.63 842424 5476948 30596 01:00:06 9242636 13279604 2675884 16.34 163844 3977596 2936316 16.85 968364 5756732 113684 Average: 9459390 13260154 2697076 16.47 155988 3764464 3003800 17.24 905394 5616840 72140 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 19.67 19.67 4.22 4.22 0.00 0.00 0.00 0.00 00:50:06 ens3 79.29 58.70 722.12 10.91 0.00 0.00 0.00 0.00 00:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:06 lo 976.02 976.02 897.63 897.63 0.00 0.00 0.00 0.00 01:00:06 ens3 37.32 26.80 272.91 5.83 0.00 0.00 0.00 0.00 01:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 499.31 499.31 452.29 452.29 0.00 0.00 0.00 0.00 Average: ens3 58.24 42.70 496.82 8.37 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-3756) 12/05/25 _x86_64_ (4 CPU) 00:37:26 LINUX RESTART (4 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 38.41 0.00 1.59 0.35 0.10 59.55 00:50:06 0 36.73 0.00 1.42 0.14 0.10 61.61 00:50:06 1 40.44 0.00 1.42 0.39 0.10 57.66 00:50:06 2 38.85 0.00 1.61 0.73 0.12 58.70 00:50:06 3 37.61 0.00 1.92 0.15 0.10 60.23 01:00:06 all 23.70 0.00 1.32 0.06 0.09 74.83 01:00:06 0 23.96 0.00 1.27 0.03 0.09 74.65 01:00:06 1 23.99 0.00 1.43 0.08 0.09 74.41 01:00:06 2 23.50 0.00 1.47 0.06 0.09 74.88 01:00:06 3 23.36 0.00 1.11 0.06 0.09 75.37 Average: all 31.04 0.00 1.45 0.20 0.10 67.21 Average: 0 30.33 0.00 1.34 0.09 0.09 68.15 Average: 1 32.19 0.00 1.42 0.23 0.10 66.05 Average: 2 31.14 0.00 1.54 0.39 0.10 66.82 Average: 3 30.47 0.00 1.52 0.10 0.09 67.81