---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16370 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 646 8765 4 6577 15000 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:07:90:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84419sec preferred_lft 84419sec inet6 fe80::f816:3eff:fe07:90be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:39:15:f1:70:92 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-16370) 12/25/25 _x86_64_ (4 CPU) 10:37:26 LINUX RESTART (4 CPU) 10:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 24.97 3.56 19.20 2.21 781.09 3475.66 11527.88 11:00:01 26.87 0.03 23.74 3.10 0.46 2370.71 20196.33 11:10:06 32.82 0.21 29.10 3.51 13.90 9152.74 14147.06 Average: 28.25 1.26 24.05 2.94 262.70 5024.10 15293.28 10:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 9629020 13083636 2876272 17.57 124908 3479136 2994792 17.19 781920 5609000 57728 11:00:01 9131188 13008892 2946936 18.00 146940 3842788 3133140 17.98 910352 5930016 30548 11:10:06 9000188 15377032 569140 3.48 174420 6228876 1087116 6.24 1766788 5102416 11104 Average: 9253465 13823187 2130783 13.01 148756 4516933 2405016 13.80 1153020 5547144 33127 10:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 803.10 803.10 763.76 763.76 0.00 0.00 0.00 0.00 10:50:06 ens3 115.49 88.28 1088.03 16.52 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1326.32 1326.32 1257.33 1257.33 0.00 0.00 0.00 0.00 11:00:01 ens3 42.73 33.68 19.76 12.66 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 11:10:06 lo 775.62 775.62 727.47 727.47 0.00 0.00 0.00 0.00 11:10:06 ens3 116.26 114.46 170.83 1049.54 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.75 967.75 915.58 915.58 0.00 0.00 0.00 0.00 Average: ens3 91.57 78.96 423.41 363.83 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-16370) 12/25/25 _x86_64_ (4 CPU) 10:37:26 LINUX RESTART (4 CPU) 10:40:15 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 34.02 0.00 1.52 0.16 0.06 64.24 10:50:06 0 33.00 0.00 1.41 0.17 0.06 65.36 10:50:06 1 33.38 0.00 1.46 0.16 0.05 64.94 10:50:06 2 34.98 0.00 1.63 0.19 0.06 63.14 10:50:06 3 34.70 0.00 1.58 0.13 0.06 63.53 11:00:01 all 64.58 0.00 2.37 0.06 0.09 32.89 11:00:01 0 65.00 0.00 2.27 0.07 0.09 32.57 11:00:01 1 65.35 0.00 2.25 0.05 0.09 32.25 11:00:01 2 64.48 0.00 2.49 0.08 0.10 32.86 11:00:01 3 63.49 0.00 2.47 0.05 0.09 33.89 11:10:06 all 41.69 0.00 1.86 0.24 0.08 56.13 11:10:06 0 44.12 0.00 1.93 0.19 0.08 53.68 11:10:06 1 39.03 0.00 1.92 0.56 0.08 58.41 11:10:06 2 44.32 0.00 1.73 0.11 0.08 53.75 11:10:06 3 39.29 0.00 1.84 0.11 0.08 58.68 Average: all 46.75 0.00 1.92 0.16 0.08 51.11 Average: 0 47.38 0.00 1.87 0.14 0.08 50.53 Average: 1 45.90 0.00 1.88 0.26 0.08 51.89 Average: 2 47.90 0.00 1.95 0.13 0.08 49.95 Average: 3 45.81 0.00 1.96 0.10 0.08 52.05