---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11938 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 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 641 9453 4 5894 15005 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:78:28:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fe78:2874/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:2c:21:31:e8:bb 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-11938) 12/09/25 _x86_64_ (4 CPU) 10:09:49 LINUX RESTART (4 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:04 65.04 11.67 50.01 3.36 1859.99 9557.58 74188.01 10:30:04 9.13 0.01 7.82 1.30 0.12 654.70 26032.35 10:40:04 35.78 0.41 30.66 4.70 15.44 8115.07 9321.67 Average: 36.72 4.05 29.54 3.12 627.97 6116.88 36599.15 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:04 9400684 12769508 3190392 19.49 123156 3382076 3687120 21.16 778940 5815304 2920 10:30:04 9181872 12707440 3250812 19.85 133704 3513572 3446628 19.78 813164 5978460 2084 10:40:04 9682636 15358584 589216 3.60 171332 5525620 1095968 6.29 1688848 4483092 264 Average: 9421731 13611844 2343473 14.31 142731 4140423 2743239 15.75 1093651 5425619 1756 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:04 lo 9.04 9.04 2.02 2.02 0.00 0.00 0.00 0.00 10:20:04 ens3 113.60 88.54 962.42 19.20 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 lo 55.69 55.69 14.36 14.36 0.00 0.00 0.00 0.00 10:30:04 ens3 5.50 4.72 4.36 1.72 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:04 lo 2280.59 2280.59 2194.50 2194.50 0.00 0.00 0.00 0.00 10:40:04 ens3 83.00 79.26 458.34 591.65 0.00 0.00 0.00 0.00 10:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 780.02 780.02 735.29 735.29 0.00 0.00 0.00 0.00 Average: ens3 67.47 57.58 476.14 203.77 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-11938) 12/09/25 _x86_64_ (4 CPU) 10:09:49 LINUX RESTART (4 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:04 all 32.11 0.00 1.53 0.52 0.09 65.75 10:20:04 0 29.57 0.00 1.17 0.86 0.08 68.32 10:20:04 1 31.84 0.00 1.45 0.54 0.09 66.08 10:20:04 2 34.63 0.00 1.53 0.28 0.08 63.47 10:20:04 3 32.42 0.00 1.96 0.39 0.08 65.14 10:30:04 all 15.30 0.00 0.78 0.10 0.10 83.72 10:30:04 0 14.33 0.00 0.74 0.08 0.10 84.76 10:30:04 1 15.91 0.00 0.87 0.07 0.11 83.05 10:30:04 2 15.08 0.00 0.74 0.22 0.10 83.87 10:30:04 3 15.88 0.00 0.77 0.04 0.09 83.22 10:40:04 all 51.35 0.00 2.61 0.45 0.10 45.48 10:40:04 0 48.97 0.00 2.58 0.54 0.10 47.80 10:40:04 1 51.98 0.00 2.52 0.33 0.12 45.05 10:40:04 2 53.79 0.00 2.95 0.38 0.10 42.79 10:40:04 3 50.66 0.00 2.40 0.55 0.10 46.29 Average: all 32.90 0.00 1.64 0.36 0.10 65.01 Average: 0 30.93 0.00 1.50 0.50 0.09 66.99 Average: 1 33.22 0.00 1.61 0.31 0.10 64.75 Average: 2 34.47 0.00 1.74 0.29 0.09 63.41 Average: 3 32.98 0.00 1.71 0.32 0.09 64.90