---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3228 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 11G 68G 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 652 10521 4 4814 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:62:a1:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84353sec preferred_lft 84353sec inet6 fe80::f816:3eff:fe62:a1dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:3b:e8:16:cd:c0 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-3228) 04/16/26 _x86_64_ (4 CPU) 07:43:49 LINUX RESTART (4 CPU) 07:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:14 11.00 1.89 8.62 0.50 121.95 2303.87 1052.33 08:10:14 37.54 0.78 20.69 16.07 28.16 3224.47 242034.04 Average: 24.16 1.34 14.61 8.22 75.45 2760.36 120546.39 07:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:14 10782728 13997044 1963196 11.99 128936 3223188 2522468 14.48 559600 4671968 30304 08:10:14 8919284 13104772 2847352 17.39 166904 4076872 3014784 17.30 793412 6206520 99508 Average: 9851006 13550908 2405274 14.69 147920 3650030 2768626 15.89 676506 5439244 64906 07:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:14 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 08:00:14 ens3 78.33 64.23 607.32 13.43 0.00 0.00 0.00 0.00 08:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:14 lo 986.25 986.25 939.42 939.42 0.00 0.00 0.00 0.00 08:10:14 ens3 87.45 63.29 326.28 18.36 0.00 0.00 0.00 0.00 08:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 489.40 489.40 465.86 465.86 0.00 0.00 0.00 0.00 Average: ens3 82.85 63.76 467.96 15.87 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-3228) 04/16/26 _x86_64_ (4 CPU) 07:43:49 LINUX RESTART (4 CPU) 07:50:04 CPU %user %nice %system %iowait %steal %idle 08:00:14 all 36.75 0.00 1.15 0.04 0.06 62.00 08:00:14 0 36.63 0.00 1.40 0.08 0.06 61.83 08:00:14 1 36.16 0.00 1.09 0.02 0.06 62.68 08:00:14 2 37.40 0.00 1.24 0.03 0.07 61.26 08:00:14 3 36.81 0.00 0.87 0.02 0.05 62.25 08:10:14 all 69.64 0.00 2.56 0.07 0.10 27.63 08:10:14 0 67.70 0.00 2.43 0.08 0.10 29.70 08:10:14 1 71.25 0.00 2.50 0.10 0.09 26.06 08:10:14 2 69.68 0.00 2.79 0.06 0.10 27.37 08:10:14 3 69.94 0.00 2.52 0.05 0.10 27.40 Average: all 53.05 0.00 1.85 0.05 0.08 44.97 Average: 0 52.04 0.00 1.91 0.08 0.08 45.90 Average: 1 53.55 0.00 1.79 0.06 0.08 44.53 Average: 2 53.41 0.00 2.01 0.04 0.08 44.45 Average: 3 53.21 0.00 1.69 0.03 0.08 45.00