---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18378 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 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 672 9782 4 5534 14974 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:ff:d3:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:feff:d36d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:e3:ca:db:8c:a2 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-18378) 01/04/26 _x86_64_ (4 CPU) 18:23:47 LINUX RESTART (4 CPU) 18:30:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:00 45.68 0.02 38.55 7.12 0.76 1681.07 101451.25 18:50:06 30.71 0.19 26.48 4.05 5.97 3602.64 32393.20 Average: 37.98 0.11 32.33 5.54 3.44 2670.60 65889.09 18:30:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:00 9309148 12896164 3062268 18.70 152744 3567880 3280060 18.83 857804 5809640 212 18:50:06 6988672 12286068 3663524 22.38 181260 5162520 3932764 22.57 1427776 7481308 788820 Average: 8148910 12591116 3362896 20.54 167002 4365200 3606412 20.70 1142790 6645474 394516 18:30:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:00 lo 40.95 40.95 9.91 9.91 0.00 0.00 0.00 0.00 18:40:00 ens3 10.29 9.57 10.65 3.57 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 1635.96 1635.96 1542.39 1542.39 0.00 0.00 0.00 0.00 18:50:06 ens3 69.07 52.21 454.24 13.22 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 862.31 862.31 799.08 799.08 0.00 0.00 0.00 0.00 Average: ens3 40.56 31.53 239.08 8.54 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-18378) 01/04/26 _x86_64_ (4 CPU) 18:23:47 LINUX RESTART (4 CPU) 18:30:28 CPU %user %nice %system %iowait %steal %idle 18:40:00 all 25.10 0.00 1.06 0.31 0.09 73.45 18:40:00 0 23.21 0.00 1.01 0.16 0.09 75.54 18:40:00 1 25.11 0.00 1.18 0.60 0.09 73.02 18:40:00 2 26.13 0.00 1.05 0.12 0.09 72.60 18:40:00 3 25.93 0.00 1.01 0.35 0.09 72.62 18:50:06 all 42.93 0.00 2.15 0.08 0.09 54.74 18:50:06 0 42.60 0.00 1.91 0.04 0.09 55.36 18:50:06 1 41.24 0.00 2.08 0.04 0.09 56.55 18:50:06 2 45.05 0.00 2.52 0.11 0.09 52.23 18:50:06 3 42.85 0.00 2.11 0.11 0.09 54.84 Average: all 34.26 0.00 1.62 0.19 0.09 63.84 Average: 0 33.16 0.00 1.47 0.10 0.09 65.19 Average: 1 33.41 0.00 1.64 0.32 0.09 64.55 Average: 2 35.86 0.00 1.81 0.12 0.09 62.12 Average: 3 34.62 0.00 1.57 0.23 0.09 63.48