---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61367 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 683 10206 4 5098 14961 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:26:05:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84899sec preferred_lft 84899sec inet6 fe80::f816:3eff:fe26:520/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:0a:5d:eb:b0:bb 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61367) 10/02/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:30 14.17 0.66 12.12 1.38 44.13 3055.95 14261.90 15:50:06 28.51 0.67 23.85 3.99 25.17 4014.32 3626.66 Average: 21.04 0.67 17.74 2.63 35.04 3515.30 9164.36 15:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:30 9923044 13808284 2146408 13.11 151064 3823488 2412260 13.85 661008 5359676 30136 15:50:06 10499980 15360512 587468 3.59 178256 4707452 1137192 6.53 918320 4429904 212 Average: 10211512 14584398 1366938 8.35 164660 4265470 1774726 10.19 789664 4894790 15174 15:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:30 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 15:40:30 ens3 85.09 54.23 403.61 17.01 0.00 0.00 0.00 0.00 15:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:06 lo 1780.33 1780.33 1685.94 1685.94 0.00 0.00 0.00 0.00 15:50:06 ens3 121.12 105.97 457.49 162.60 0.00 0.00 0.00 0.00 15:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 854.10 854.10 808.16 808.16 0.00 0.00 0.00 0.00 Average: ens3 102.36 79.03 429.43 86.79 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61367) 10/02/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:04 CPU %user %nice %system %iowait %steal %idle 15:40:30 all 72.17 0.00 2.54 0.06 0.04 25.19 15:40:30 0 71.24 0.00 2.48 0.09 0.04 26.15 15:40:30 1 70.84 0.00 2.34 0.04 0.04 26.75 15:40:30 2 73.88 0.00 2.76 0.06 0.04 23.26 15:40:30 3 72.72 0.00 2.58 0.06 0.03 24.61 15:50:06 all 46.40 0.00 2.25 0.08 0.02 51.24 15:50:06 0 40.19 0.00 2.52 0.07 0.02 57.20 15:50:06 1 50.15 0.00 2.17 0.06 0.02 47.61 15:50:06 2 49.72 0.00 2.24 0.05 0.02 47.97 15:50:06 3 45.56 0.00 2.08 0.15 0.02 52.19 Average: all 59.83 0.00 2.40 0.07 0.03 37.67 Average: 0 56.36 0.00 2.50 0.08 0.03 41.04 Average: 1 60.93 0.00 2.26 0.05 0.03 36.74 Average: 2 62.31 0.00 2.51 0.06 0.03 35.09 Average: 3 59.72 0.00 2.34 0.10 0.03 37.81