---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23856 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 695 8739 4 6553 14951 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:f9:e0:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fef9:e065/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:c9:05:7e:1c:f3 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23856) 02/27/26 _x86_64_ (4 CPU) 16:01:59 LINUX RESTART (4 CPU) 16:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:01 23.37 0.02 20.81 2.54 0.38 2604.09 12875.32 16:30:01 26.82 0.02 24.20 2.60 0.45 4204.84 13949.97 Average: 25.10 0.02 22.51 2.57 0.41 3406.53 13414.03 16:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:01 9529152 13148020 2808604 17.15 144216 3589504 2834860 16.27 716568 5714028 8420 16:30:01 7030312 11655880 4297016 26.24 159268 4537852 4272632 24.52 995440 7903224 228 Average: 8279732 12401950 3552810 21.70 151742 4063678 3553746 20.40 856004 6808626 4324 16:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:01 lo 1424.62 1424.62 1351.08 1351.08 0.00 0.00 0.00 0.00 16:20:01 ens3 20.22 18.45 10.02 5.96 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 963.71 963.71 912.44 912.44 0.00 0.00 0.00 0.00 16:30:01 ens3 22.62 20.05 23.57 6.43 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1193.57 1193.57 1131.19 1131.19 0.00 0.00 0.00 0.00 Average: ens3 21.42 19.25 16.81 6.20 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23856) 02/27/26 _x86_64_ (4 CPU) 16:01:59 LINUX RESTART (4 CPU) 16:10:04 CPU %user %nice %system %iowait %steal %idle 16:20:01 all 66.27 0.00 2.37 0.72 0.14 30.50 16:20:01 0 65.99 0.00 2.16 0.29 0.13 31.44 16:20:01 1 65.98 0.00 2.25 1.23 0.14 30.40 16:20:01 2 66.04 0.00 2.69 0.65 0.14 30.48 16:20:01 3 67.07 0.00 2.40 0.70 0.14 29.69 16:30:01 all 54.54 0.00 2.29 1.60 0.14 41.43 16:30:01 0 54.60 0.00 2.24 2.06 0.13 40.96 16:30:01 1 54.50 0.00 2.43 1.91 0.14 41.03 16:30:01 2 52.48 0.00 2.24 1.12 0.14 44.02 16:30:01 3 56.58 0.00 2.25 1.31 0.14 39.72 Average: all 60.39 0.00 2.33 1.16 0.14 35.98 Average: 0 60.28 0.00 2.20 1.18 0.13 36.21 Average: 1 60.22 0.00 2.34 1.57 0.14 35.73 Average: 2 59.24 0.00 2.46 0.89 0.14 37.27 Average: 3 61.81 0.00 2.32 1.01 0.14 34.72