---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15574 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 12G 66G 16% / 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 615 8853 4 6519 15030 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:31:be:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84511sec preferred_lft 84511sec inet6 fe80::f816:3eff:fe31:be55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:d6:1c:02:95:3b 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-15574) 12/21/25 _x86_64_ (4 CPU) 10:40:20 LINUX RESTART (4 CPU) 10:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 26.16 0.08 23.07 3.01 6.87 2217.74 22885.11 11:10:07 32.68 0.13 29.24 3.31 6.31 9344.00 12982.01 Average: 29.46 0.11 26.19 3.16 6.59 5820.30 17878.77 10:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 9345536 13071836 2885408 17.62 142560 3705420 3007100 17.26 898492 5743976 18288 11:10:07 9059676 15374192 572836 3.50 170300 6172528 1109012 6.37 1765664 5019832 52 Average: 9202606 14223014 1729122 10.56 156430 4938974 2058056 11.81 1332078 5381904 9170 10:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 1209.72 1209.72 1145.06 1145.06 0.00 0.00 0.00 0.00 11:00:01 ens3 45.61 35.52 23.25 12.15 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 844.81 844.81 795.50 795.50 0.00 0.00 0.00 0.00 11:10:07 ens3 95.91 99.03 166.63 983.50 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1025.24 1025.24 968.34 968.34 0.00 0.00 0.00 0.00 Average: ens3 71.04 67.63 95.73 503.20 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-15574) 12/21/25 _x86_64_ (4 CPU) 10:40:20 LINUX RESTART (4 CPU) 10:50:09 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 63.13 0.00 2.27 0.08 0.09 34.43 11:00:01 0 64.25 0.00 2.28 0.08 0.10 33.29 11:00:01 1 63.76 0.00 2.38 0.06 0.09 33.70 11:00:01 2 61.06 0.00 2.29 0.11 0.09 36.45 11:00:01 3 63.44 0.00 2.14 0.05 0.09 34.28 11:10:07 all 50.94 0.00 2.23 0.29 0.09 46.45 11:10:07 0 52.84 0.00 2.12 0.24 0.09 44.71 11:10:07 1 55.19 0.00 2.42 0.14 0.09 42.16 11:10:07 2 46.74 0.00 2.29 0.62 0.08 50.26 11:10:07 3 48.98 0.00 2.08 0.17 0.09 48.68 Average: all 56.97 0.00 2.25 0.19 0.09 40.51 Average: 0 58.48 0.00 2.20 0.16 0.09 39.06 Average: 1 59.42 0.00 2.40 0.10 0.09 37.98 Average: 2 53.83 0.00 2.29 0.37 0.09 43.43 Average: 3 56.13 0.00 2.11 0.11 0.09 41.56