---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12569 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 11G 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 657 9803 4 5528 14989 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:d7:ad:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fed7:ad3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:8b:ac:8e:d3:7d 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-12569) 12/11/25 _x86_64_ (4 CPU) 10:06:57 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:27 68.07 2.95 45.61 19.50 722.32 4138.48 388393.84 10:30:15 10.66 0.01 9.06 1.59 0.11 723.66 30609.23 10:40:01 34.98 0.42 29.59 4.97 15.78 6591.00 14350.62 Average: 38.55 1.17 28.46 8.92 256.42 3822.85 149759.34 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:27 9727760 13211516 2747292 16.78 150148 3476100 2972556 17.06 841604 5431308 4728 10:30:15 10004764 13656840 2300820 14.05 158284 3620928 2655380 15.24 874424 5114184 8812 10:40:01 10073784 15377520 571480 3.49 191284 5153852 1097400 6.30 1508404 4297628 32856 Average: 9935436 14081959 1873197 11.44 166572 4083627 2241779 12.87 1074811 4947707 15465 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:27 lo 15.59 15.59 3.43 3.43 0.00 0.00 0.00 0.00 10:20:27 ens3 94.83 64.48 756.94 11.90 0.00 0.00 0.00 0.00 10:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:15 lo 51.45 51.45 13.42 13.42 0.00 0.00 0.00 0.00 10:30:15 ens3 6.53 5.15 4.39 1.96 0.00 0.00 0.00 0.00 10:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 2629.17 2629.17 2533.52 2533.52 0.00 0.00 0.00 0.00 10:40:01 ens3 74.87 56.36 473.17 26.56 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 878.73 878.73 830.93 830.93 0.00 0.00 0.00 0.00 Average: ens3 59.51 42.47 418.86 13.43 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-12569) 12/11/25 _x86_64_ (4 CPU) 10:06:57 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:27 all 34.34 0.00 1.51 2.26 0.11 61.78 10:20:27 0 32.85 0.00 1.75 1.66 0.11 63.64 10:20:27 1 33.98 0.00 1.33 4.65 0.11 59.93 10:20:27 2 36.46 0.00 1.52 0.90 0.10 61.02 10:20:27 3 34.08 0.00 1.45 1.83 0.12 62.52 10:30:15 all 17.85 0.00 0.88 0.37 0.09 80.81 10:30:15 0 17.81 0.00 0.89 0.38 0.09 80.83 10:30:15 1 17.49 0.00 0.90 0.84 0.09 80.69 10:30:15 2 18.57 0.00 0.90 0.10 0.09 80.33 10:30:15 3 17.53 0.00 0.81 0.17 0.09 81.41 10:40:01 all 54.00 0.00 3.03 1.56 0.28 41.12 10:40:01 0 55.67 0.00 2.73 4.00 0.25 37.35 10:40:01 1 54.99 0.00 3.67 1.32 0.32 39.69 10:40:01 2 51.80 0.00 2.77 0.78 0.25 44.40 10:40:01 3 53.55 0.00 2.96 0.14 0.29 43.07 Average: all 35.35 0.00 1.80 1.41 0.16 61.28 Average: 0 35.37 0.00 1.79 2.00 0.15 60.69 Average: 1 35.42 0.00 1.95 2.32 0.17 60.13 Average: 2 35.61 0.00 1.72 0.60 0.15 61.92 Average: 3 35.00 0.00 1.73 0.73 0.17 62.37