---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15400 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 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 665 9431 4 5892 14981 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:4a:00:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84688sec preferred_lft 84688sec inet6 fe80::f816:3eff:fe4a:5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:ba:a6:32:68:ed 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-15400) 12/20/25 _x86_64_ (4 CPU) 21:55:15 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:04 22.64 0.10 19.94 2.60 8.35 2202.54 6692.04 22:20:04 29.55 0.03 26.65 2.86 0.60 4564.20 9123.76 Average: 26.09 0.07 23.29 2.73 4.49 3380.13 7904.57 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:04 9159260 12661536 3296852 20.14 136680 3487736 3213564 18.45 695784 6117428 15944 22:20:04 6200056 10774568 5179320 31.63 153252 4496476 4983248 28.60 997956 8723204 336 Average: 7679658 11718052 4238086 25.88 144966 3992106 4098406 23.52 846870 7420316 8140 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:04 lo 1246.92 1246.92 1181.12 1181.12 0.00 0.00 0.00 0.00 22:10:04 ens3 36.24 31.57 27.61 12.27 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:04 lo 1153.19 1153.19 1140.84 1140.84 0.00 0.00 0.00 0.00 22:20:04 ens3 45.52 33.55 42.93 13.01 0.00 0.00 0.00 0.00 22:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1200.18 1200.18 1161.03 1161.03 0.00 0.00 0.00 0.00 Average: ens3 40.87 32.55 35.25 12.63 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-15400) 12/20/25 _x86_64_ (4 CPU) 21:55:15 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:04 all 66.87 0.00 2.27 0.07 0.09 30.69 22:10:04 0 67.47 0.00 2.32 0.04 0.09 30.07 22:10:04 1 68.14 0.00 2.37 0.04 0.09 29.35 22:10:04 2 67.26 0.00 2.06 0.04 0.09 30.55 22:10:04 3 64.63 0.00 2.32 0.16 0.10 32.79 22:20:04 all 55.85 0.00 2.23 0.22 0.09 41.61 22:20:04 0 53.88 0.00 2.16 0.11 0.10 43.76 22:20:04 1 57.10 0.00 1.95 0.28 0.09 40.58 22:20:04 2 55.78 0.00 2.43 0.11 0.10 41.59 22:20:04 3 56.65 0.00 2.38 0.36 0.10 40.52 Average: all 61.38 0.00 2.25 0.14 0.09 36.13 Average: 0 60.70 0.00 2.24 0.07 0.10 36.89 Average: 1 62.64 0.00 2.16 0.16 0.09 34.95 Average: 2 61.54 0.00 2.24 0.08 0.10 36.05 Average: 3 60.65 0.00 2.35 0.26 0.10 36.64