---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-454397 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 13G 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 661 8438 4 6889 14985 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:fe:95:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84110sec preferred_lft 84110sec inet6 fe80::f816:3eff:fefe:9557/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:86:b6:da:18:4e 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-454397) 03/12/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:17 22.71 0.07 19.90 2.74 6.29 2062.48 6362.35 19:30:01 33.63 0.03 30.35 3.25 0.48 4749.99 18312.62 Average: 28.10 0.05 25.06 2.99 3.42 3388.44 12258.38 19:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:17 9261856 13149760 2806356 17.14 149068 3848112 3052524 17.52 840704 5873396 23564 19:30:01 7750324 12699196 3252160 19.86 165612 4846444 3234752 18.57 1137460 7021040 5940 Average: 8506090 12924478 3029258 18.50 157340 4347278 3143638 18.04 989082 6447218 14752 19:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:17 lo 1391.78 1391.78 1319.63 1319.63 0.00 0.00 0.00 0.00 19:20:17 ens3 46.77 37.70 29.70 12.57 0.00 0.00 0.00 0.00 19:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1369.79 1369.79 1301.67 1301.67 0.00 0.00 0.00 0.00 19:30:01 ens3 43.41 35.17 51.60 12.21 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1380.93 1380.93 1310.77 1310.77 0.00 0.00 0.00 0.00 Average: ens3 45.11 36.45 40.50 12.39 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-454397) 03/12/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:17 CPU %user %nice %system %iowait %steal %idle 19:20:17 all 66.37 0.00 2.29 0.40 0.11 30.82 19:20:17 0 65.09 0.00 2.34 0.17 0.11 32.29 19:20:17 1 67.24 0.00 2.19 0.57 0.12 29.89 19:20:17 2 66.63 0.00 2.34 0.40 0.11 30.52 19:20:17 3 66.53 0.00 2.30 0.48 0.11 30.58 19:30:01 all 60.50 0.00 2.49 0.54 0.11 36.36 19:30:01 0 58.70 0.00 2.39 0.43 0.11 38.38 19:30:01 1 60.52 0.00 2.72 0.55 0.11 36.10 19:30:01 2 61.11 0.00 2.31 0.33 0.11 36.15 19:30:01 3 61.66 0.00 2.57 0.86 0.11 34.80 Average: all 63.47 0.00 2.39 0.47 0.11 33.55 Average: 0 61.93 0.00 2.36 0.30 0.11 35.30 Average: 1 63.92 0.00 2.45 0.56 0.12 32.95 Average: 2 63.91 0.00 2.32 0.36 0.11 33.29 Average: 3 64.13 0.00 2.43 0.67 0.11 32.66