---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21254 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 67G 15% / 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 668 9794 4 5526 14978 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:5b:ca:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84271sec preferred_lft 84271sec inet6 fe80::f816:3eff:fe5b:cabc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:61:a1:33:e1:c2 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21254) 05/29/26 _x86_64_ (4 CPU) 18:21:35 LINUX RESTART (4 CPU) 18:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:32 41.89 0.03 35.60 6.26 0.61 1591.59 125564.11 18:50:01 40.29 12.67 23.50 4.12 143.62 2193.67 31658.69 Average: 41.13 6.05 29.84 5.24 68.73 1878.39 80831.75 18:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:32 9483772 13011876 2946400 18.00 156292 3495580 3193656 18.33 709940 5782092 324 18:50:01 8773716 12918144 3035840 18.54 177980 4038232 3181284 18.26 891536 6272800 136736 Average: 9128744 12965010 2991120 18.27 167136 3766906 3187470 18.30 800738 6027446 68530 18:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:32 lo 37.62 37.62 9.16 9.16 0.00 0.00 0.00 0.00 18:40:32 ens3 13.52 10.93 13.20 3.76 0.00 0.00 0.00 0.00 18:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1645.41 1645.41 1550.23 1550.23 0.00 0.00 0.00 0.00 18:50:01 ens3 54.60 41.27 293.73 10.81 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 803.49 803.49 743.26 743.26 0.00 0.00 0.00 0.00 Average: ens3 33.08 25.38 146.83 7.12 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21254) 05/29/26 _x86_64_ (4 CPU) 18:21:35 LINUX RESTART (4 CPU) 18:30:06 CPU %user %nice %system %iowait %steal %idle 18:40:32 all 26.99 0.00 1.12 1.75 0.42 69.72 18:40:32 0 26.94 0.00 1.08 1.44 0.52 70.02 18:40:32 1 27.06 0.00 1.28 4.42 0.24 66.99 18:40:32 2 26.45 0.00 1.02 0.97 0.66 70.91 18:40:32 3 27.51 0.00 1.12 0.18 0.24 70.95 18:50:01 all 43.87 0.09 2.22 0.16 0.11 53.54 18:50:01 0 43.16 0.11 2.52 0.17 0.12 53.92 18:50:01 1 42.63 0.04 2.10 0.13 0.11 54.98 18:50:01 2 43.84 0.11 2.14 0.18 0.11 53.62 18:50:01 3 45.86 0.12 2.13 0.15 0.11 51.62 Average: all 35.02 0.04 1.65 0.99 0.27 62.02 Average: 0 34.65 0.05 1.76 0.83 0.33 62.37 Average: 1 34.48 0.02 1.67 2.38 0.18 61.28 Average: 2 34.70 0.05 1.55 0.60 0.40 62.70 Average: 3 36.26 0.06 1.60 0.17 0.18 61.74