---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2458 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 641 10632 4 4715 15005 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:c5:ae:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84647sec preferred_lft 84647sec inet6 fe80::f816:3eff:fec5:ae8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:9c:f2:70:a2:33 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-2458) 04/13/26 _x86_64_ (4 CPU) 05:43:39 LINUX RESTART (4 CPU) 05:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:02 12.28 0.48 10.68 1.12 18.37 2987.31 2102.80 06:10:14 29.84 0.77 24.77 4.30 26.47 4034.49 10989.39 Average: 21.33 0.63 17.94 2.76 22.55 3527.07 6683.35 05:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:02 10415468 13860196 2098240 12.82 143980 3408400 2363492 13.57 622276 4937460 52564 06:10:14 10924120 15392780 557944 3.41 172948 4335084 1097412 6.30 894688 4054252 8 Average: 10669794 14626488 1328092 8.11 158464 3871742 1730452 9.93 758482 4495856 26286 05:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:02 lo 1.47 1.47 0.15 0.15 0.00 0.00 0.00 0.00 06:00:02 ens3 74.04 54.96 100.95 18.33 0.00 0.00 0.00 0.00 06:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:14 lo 1612.12 1612.12 1530.55 1530.55 0.00 0.00 0.00 0.00 06:10:14 ens3 99.10 82.93 403.67 97.68 0.00 0.00 0.00 0.00 06:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 831.67 831.67 788.98 788.98 0.00 0.00 0.00 0.00 Average: ens3 86.96 69.37 256.99 59.23 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-2458) 04/13/26 _x86_64_ (4 CPU) 05:43:39 LINUX RESTART (4 CPU) 05:50:27 CPU %user %nice %system %iowait %steal %idle 06:00:02 all 72.06 0.00 2.21 0.03 0.10 25.60 06:00:02 0 72.90 0.00 1.98 0.04 0.09 24.99 06:00:02 1 70.10 0.00 2.16 0.03 0.10 27.61 06:00:02 2 71.56 0.00 2.23 0.02 0.10 26.09 06:00:02 3 73.66 0.00 2.49 0.03 0.10 23.73 06:10:14 all 55.83 0.00 2.43 2.01 0.10 39.63 06:10:14 0 52.70 0.00 1.97 3.26 0.10 41.98 06:10:14 1 57.95 0.00 2.57 0.73 0.10 38.65 06:10:14 2 59.19 0.00 2.94 4.01 0.10 33.75 06:10:14 3 53.46 0.00 2.23 0.05 0.10 44.15 Average: all 63.69 0.00 2.32 1.05 0.10 32.84 Average: 0 62.48 0.00 1.97 1.70 0.10 33.76 Average: 1 63.85 0.00 2.37 0.39 0.10 33.29 Average: 2 65.18 0.00 2.60 2.08 0.10 30.04 Average: 3 63.24 0.00 2.36 0.04 0.10 34.26