---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14889 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: 5600.00 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 617 10330 4 5041 15029 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:db:f7:7b 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 84280sec preferred_lft 84280sec inet6 fe80::f816:3eff:fedb:f77b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:95:0d:d5:cb:86 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-14889) 12/18/25 _x86_64_ (4 CPU) 19:58:14 LINUX RESTART (4 CPU) 20:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:04 60.89 4.57 43.08 13.24 836.83 4058.69 255596.20 20:20:11 4.60 0.28 4.13 0.19 27.04 705.71 21.53 20:30:01 11.63 0.54 10.33 0.76 19.58 1799.26 4315.43 Average: 25.75 1.80 19.20 4.74 295.65 2186.58 86976.79 20:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:04 11529024 14551608 1412500 8.63 108564 3096196 1829968 10.50 582576 3918772 15664 20:20:11 8697632 11914912 4046964 24.72 115292 3268672 4180816 24.00 683708 6649024 272 20:30:01 9688732 13424636 2533616 15.47 136956 3735148 2747000 15.77 860352 5452032 99084 Average: 9971796 13297052 2664360 16.27 120271 3366672 2919261 16.76 708879 5339943 38340 20:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:04 lo 0.38 0.38 0.05 0.05 0.00 0.00 0.00 0.00 20:10:04 ens3 95.87 72.32 943.98 11.10 0.00 0.00 0.00 0.00 20:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:11 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 20:20:11 ens3 12.57 11.41 87.97 2.70 0.00 0.00 0.00 0.00 20:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 252.50 252.50 240.28 240.28 0.00 0.00 0.00 0.00 20:30:01 ens3 36.21 26.85 416.03 3.69 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 83.13 83.13 78.92 78.92 0.00 0.00 0.00 0.00 Average: ens3 48.20 36.86 482.06 5.83 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-14889) 12/18/25 _x86_64_ (4 CPU) 19:58:14 LINUX RESTART (4 CPU) 20:00:01 CPU %user %nice %system %iowait %steal %idle 20:10:04 all 8.15 0.00 0.65 0.45 0.03 90.71 20:10:04 0 6.60 0.00 0.57 0.11 0.03 92.69 20:10:04 1 11.52 0.00 0.80 0.19 0.05 87.44 20:10:04 2 8.19 0.00 0.65 0.61 0.02 90.53 20:10:04 3 6.30 0.00 0.58 0.89 0.04 92.19 20:20:11 all 50.54 0.00 0.72 0.02 0.08 48.64 20:20:11 0 59.13 0.00 0.86 0.01 0.08 39.92 20:20:11 1 47.72 0.00 0.73 0.04 0.09 51.42 20:20:11 2 50.08 0.00 0.66 0.01 0.09 49.17 20:20:11 3 45.22 0.00 0.63 0.02 0.08 54.04 20:30:01 all 48.92 0.00 0.97 0.04 0.08 49.98 20:30:01 0 58.83 0.00 1.05 0.06 0.09 39.97 20:30:01 1 52.86 0.00 1.17 0.02 0.08 45.86 20:30:01 2 47.92 0.00 0.86 0.03 0.08 51.10 20:30:01 3 36.07 0.00 0.79 0.06 0.07 63.02 Average: all 35.82 0.00 0.78 0.17 0.07 63.16 Average: 0 41.45 0.00 0.83 0.06 0.07 57.59 Average: 1 37.25 0.00 0.90 0.08 0.07 61.69 Average: 2 35.36 0.00 0.72 0.22 0.07 63.63 Average: 3 29.20 0.00 0.67 0.33 0.06 69.75