---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28154 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: 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 11G 67G 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 651 10253 4 5084 14995 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:1b:e7:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:fe1b:e753/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:ca:18:a1:01:00 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-28154) 06/18/26 _x86_64_ (4 CPU) 00:25:31 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 5.29 0.32 4.65 0.32 215.36 931.73 371.32 00:50:00 21.05 0.52 19.01 1.52 19.03 2578.85 12161.64 Average: 13.17 0.42 11.83 0.92 117.19 1755.29 6266.48 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 10345716 13578932 2383380 14.56 117484 3267488 2805736 16.10 564904 5110236 28780 00:50:00 8564996 12520816 3436700 20.99 138240 3931104 3606488 20.70 797772 6614984 269064 Average: 9455356 13049874 2910040 17.77 127862 3599296 3206112 18.40 681338 5862610 148922 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:00 ens3 16.97 11.97 95.37 2.94 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 530.72 530.72 505.68 505.68 0.00 0.00 0.00 0.00 00:50:00 ens3 47.06 33.34 453.21 5.22 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.67 265.67 253.03 253.03 0.00 0.00 0.00 0.00 Average: ens3 32.01 22.66 274.29 4.08 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-28154) 06/18/26 _x86_64_ (4 CPU) 00:25:31 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 50.15 0.00 0.75 0.05 0.09 48.96 00:40:00 0 65.59 0.00 0.83 0.05 0.09 33.43 00:40:00 1 48.40 0.00 0.85 0.09 0.09 50.58 00:40:00 2 44.17 0.00 0.68 0.04 0.08 55.04 00:40:00 3 42.43 0.00 0.64 0.04 0.08 56.81 00:50:00 all 59.68 0.00 1.43 0.87 0.14 37.87 00:50:00 0 53.66 0.00 1.61 1.40 0.13 43.20 00:50:00 1 49.90 0.00 1.54 0.43 0.14 48.00 00:50:00 2 83.70 0.00 1.40 0.89 0.16 13.84 00:50:00 3 51.43 0.00 1.18 0.78 0.13 46.47 Average: all 54.91 0.00 1.09 0.46 0.11 43.42 Average: 0 59.63 0.00 1.22 0.72 0.11 38.31 Average: 1 49.15 0.00 1.19 0.26 0.11 49.29 Average: 2 63.92 0.00 1.04 0.46 0.12 34.46 Average: 3 46.93 0.00 0.91 0.41 0.11 51.65