---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1417 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: 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 66G 16% / 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 650 8999 4 6339 14996 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:3a:a6:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84282sec preferred_lft 84282sec inet6 fe80::f816:3eff:fe3a:a6a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:91:44:19:1c:4f 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-1417) 04/09/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 38.14 0.07 21.40 16.66 6.76 2374.43 245752.15 05:50:10 31.09 0.03 27.96 3.10 0.43 4328.04 10174.05 Average: 34.57 0.05 24.72 9.80 3.56 3363.29 126510.07 05:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9696144 13297720 2659988 16.25 142804 3574108 2762280 15.86 708196 5566296 27484 05:50:10 8462080 13053232 2900428 17.71 158796 4503700 3040476 17.45 977640 6483464 2076 Average: 9079112 13175476 2780208 16.98 150800 4038904 2901378 16.65 842918 6024880 14780 05:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1406.02 1406.02 1333.38 1333.38 0.00 0.00 0.00 0.00 05:40:01 ens3 45.17 37.93 28.49 13.66 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:10 lo 1325.36 1325.36 1257.68 1257.68 0.00 0.00 0.00 0.00 05:50:10 ens3 41.70 33.61 38.70 11.66 0.00 0.00 0.00 0.00 05:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1365.19 1365.19 1295.06 1295.06 0.00 0.00 0.00 0.00 Average: ens3 43.41 35.74 33.66 12.65 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-1417) 04/09/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:08 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 65.71 0.00 2.33 0.06 0.08 31.82 05:40:01 0 64.74 0.00 2.58 0.10 0.08 32.50 05:40:01 1 65.76 0.00 2.33 0.07 0.08 31.77 05:40:01 2 66.16 0.00 2.22 0.04 0.08 31.49 05:40:01 3 66.18 0.00 2.19 0.03 0.08 31.52 05:50:10 all 56.74 0.00 2.28 0.09 0.08 40.80 05:50:10 0 59.54 0.00 2.49 0.07 0.08 37.82 05:50:10 1 56.21 0.00 2.04 0.06 0.08 41.60 05:50:10 2 56.01 0.00 2.31 0.14 0.08 41.45 05:50:10 3 55.21 0.00 2.28 0.09 0.09 42.33 Average: all 61.18 0.00 2.31 0.08 0.08 36.36 Average: 0 62.11 0.00 2.54 0.09 0.08 35.19 Average: 1 60.93 0.00 2.18 0.07 0.08 36.74 Average: 2 61.03 0.00 2.27 0.09 0.08 36.53 Average: 3 60.63 0.00 2.23 0.06 0.08 36.99