---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11711 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 14% / 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 653 9939 4 5396 14993 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:c9:02:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84481sec preferred_lft 84481sec inet6 fe80::f816:3eff:fec9:20b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:27:21:6e:49:e4 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-11711) 12/08/25 _x86_64_ (4 CPU) 21:48:45 LINUX RESTART (4 CPU) 21:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:00 65.40 3.82 53.24 8.34 588.10 5293.23 165170.52 22:10:06 15.66 0.16 13.34 2.16 4.95 1498.15 33392.59 22:20:04 31.72 0.31 27.03 4.38 16.40 5811.80 6101.97 Average: 37.43 1.42 31.07 4.94 201.36 4186.57 67836.63 21:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:00 9672428 13022736 2936928 17.94 148860 3345692 3937220 22.60 770936 5555144 5828 22:10:06 9354180 13095128 2861128 17.47 168804 3684368 3051936 17.52 869912 5730348 13904 22:20:04 10254812 15426076 522556 3.19 189888 5024868 1052416 6.04 1441692 4186528 12820 Average: 9760473 13847980 2106871 12.87 169184 4018309 2680524 15.39 1027513 5157340 10851 21:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:00 lo 16.92 16.92 3.69 3.69 0.00 0.00 0.00 0.00 22:00:00 ens3 80.71 62.00 766.32 13.63 0.00 0.00 0.00 0.00 22:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:06 lo 493.85 493.85 439.65 439.65 0.00 0.00 0.00 0.00 22:10:06 ens3 28.88 21.98 218.46 5.07 0.00 0.00 0.00 0.00 22:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:04 lo 1739.30 1739.30 1678.49 1678.49 0.00 0.00 0.00 0.00 22:20:04 ens3 102.42 99.59 263.90 641.27 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 750.65 750.65 707.79 707.79 0.00 0.00 0.00 0.00 Average: ens3 70.46 61.01 414.52 219.54 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-11711) 12/08/25 _x86_64_ (4 CPU) 21:48:45 LINUX RESTART (4 CPU) 21:50:07 CPU %user %nice %system %iowait %steal %idle 22:00:00 all 34.73 0.00 1.46 0.51 0.08 63.22 22:00:00 0 34.16 0.00 1.48 0.41 0.08 63.88 22:00:00 1 32.06 0.00 1.32 0.53 0.08 66.02 22:00:00 2 36.35 0.00 1.52 0.15 0.08 61.90 22:00:00 3 36.35 0.00 1.53 0.96 0.08 61.08 22:10:06 all 21.70 0.00 1.10 0.08 0.09 77.04 22:10:06 0 22.60 0.00 1.17 0.09 0.09 76.05 22:10:06 1 21.22 0.00 1.19 0.04 0.09 77.46 22:10:06 2 21.54 0.00 1.02 0.03 0.08 77.32 22:10:06 3 21.45 0.00 1.00 0.13 0.08 77.33 22:20:04 all 45.52 0.00 2.22 0.10 0.07 52.09 22:20:04 0 44.51 0.00 1.77 0.20 0.07 53.45 22:20:04 1 47.22 0.00 2.41 0.09 0.07 50.22 22:20:04 2 43.34 0.00 2.43 0.06 0.07 54.11 22:20:04 3 47.03 0.00 2.25 0.06 0.07 50.59 Average: all 33.93 0.00 1.59 0.23 0.08 64.18 Average: 0 33.71 0.00 1.47 0.23 0.08 64.51 Average: 1 33.45 0.00 1.64 0.22 0.08 64.62 Average: 2 33.68 0.00 1.66 0.08 0.08 64.50 Average: 3 34.88 0.00 1.59 0.38 0.08 63.08