---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12318 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 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 679 9260 4 6049 14967 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:64:77:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84770sec preferred_lft 84770sec inet6 fe80::f816:3eff:fe64:77e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:88:60:8c:ca:40 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-12318) 12/10/25 _x86_64_ (4 CPU) 15:47:36 LINUX RESTART (4 CPU) 15:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:17 39.55 12.91 23.05 3.59 753.35 4074.35 68812.22 16:10:01 24.05 0.17 20.47 3.42 5.01 1722.10 31176.94 Average: 31.96 6.67 21.79 3.50 386.80 2922.18 50377.92 15:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:17 9489108 13177116 2779556 16.98 129764 3670840 3090732 17.74 881816 5598516 628 16:10:01 8844628 12891364 3062680 18.71 148924 3986136 3305964 18.98 1014980 6090560 32288 Average: 9166868 13034240 2921118 17.84 139344 3828488 3198348 18.36 948398 5844538 16458 15:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:17 lo 30.64 30.64 7.34 7.34 0.00 0.00 0.00 0.00 16:00:17 ens3 38.52 28.59 406.17 5.62 0.00 0.00 0.00 0.00 16:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1367.57 1367.57 1279.58 1279.58 0.00 0.00 0.00 0.00 16:10:01 ens3 32.87 25.15 253.35 5.32 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 685.49 685.49 630.50 630.50 0.00 0.00 0.00 0.00 Average: ens3 35.75 26.90 331.31 5.48 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-12318) 12/10/25 _x86_64_ (4 CPU) 15:47:36 LINUX RESTART (4 CPU) 15:50:08 CPU %user %nice %system %iowait %steal %idle 16:00:17 all 34.57 0.08 1.34 0.37 0.10 63.55 16:00:17 0 34.70 0.09 1.13 0.33 0.09 63.65 16:00:17 1 35.46 0.11 1.43 0.59 0.10 62.31 16:00:17 2 33.40 0.08 1.45 0.24 0.10 64.74 16:00:17 3 34.72 0.02 1.36 0.31 0.10 63.49 16:10:01 all 35.77 0.00 1.76 0.10 0.09 62.28 16:10:01 0 36.57 0.00 1.76 0.08 0.09 61.50 16:10:01 1 37.39 0.00 1.78 0.08 0.09 60.66 16:10:01 2 33.91 0.00 1.79 0.14 0.10 64.06 16:10:01 3 35.22 0.00 1.71 0.08 0.09 62.90 Average: all 35.16 0.04 1.55 0.24 0.09 62.93 Average: 0 35.61 0.05 1.44 0.21 0.09 62.60 Average: 1 36.40 0.05 1.60 0.34 0.10 61.50 Average: 2 33.65 0.04 1.62 0.19 0.10 64.40 Average: 3 34.97 0.01 1.53 0.20 0.09 63.20