---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-698 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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 626 10534 4 4828 15020 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:23:d4:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84735sec preferred_lft 84735sec inet6 fe80::f816:3eff:fe23:d4ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:0d:6e:ae:82:60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-698) 04/07/26 _x86_64_ (4 CPU) 09:08:54 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:00 79.42 4.81 58.17 16.44 275.61 6125.12 244691.39 09:30:00 27.35 0.02 24.65 2.69 0.23 2399.37 8329.15 Average: 53.39 2.41 41.41 9.56 137.92 4262.25 126510.27 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:00 10232172 13622740 2336776 14.27 132184 3394220 2625552 15.07 647260 5115788 11604 09:30:00 8502960 12534120 3421140 20.89 153604 3968304 3532236 20.28 804644 6620228 216192 Average: 9367566 13078430 2878958 17.58 142894 3681262 3078894 17.67 725952 5868008 113898 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:00 lo 1417.16 1417.16 1344.62 1344.62 0.00 0.00 0.00 0.00 09:20:00 ens3 136.25 104.72 1194.72 17.88 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 1231.11 1231.11 1172.42 1172.42 0.00 0.00 0.00 0.00 09:30:00 ens3 24.31 21.36 42.05 6.76 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1324.14 1324.14 1258.52 1258.52 0.00 0.00 0.00 0.00 Average: ens3 80.28 63.04 618.39 12.32 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-698) 04/07/26 _x86_64_ (4 CPU) 09:08:54 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:00 all 56.55 0.00 2.43 0.30 0.09 40.62 09:20:00 0 55.70 0.00 2.58 0.54 0.09 41.08 09:20:00 1 56.02 0.00 2.84 0.22 0.09 40.82 09:20:00 2 57.29 0.00 2.14 0.22 0.09 40.25 09:20:00 3 57.20 0.00 2.16 0.23 0.10 40.32 09:30:00 all 65.41 0.00 2.33 0.06 0.10 32.10 09:30:00 0 65.71 0.00 2.38 0.03 0.10 31.77 09:30:00 1 66.31 0.00 2.49 0.05 0.10 31.05 09:30:00 2 65.31 0.00 2.23 0.12 0.11 32.23 09:30:00 3 64.29 0.00 2.20 0.06 0.10 33.34 Average: all 60.98 0.00 2.38 0.18 0.10 36.36 Average: 0 60.70 0.00 2.48 0.29 0.10 36.43 Average: 1 61.16 0.00 2.67 0.13 0.10 35.94 Average: 2 61.30 0.00 2.19 0.17 0.10 36.24 Average: 3 60.75 0.00 2.18 0.15 0.10 36.83