---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8434 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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 12G 66G 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 649 9387 4 5951 14996 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:85:83:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84169sec preferred_lft 84169sec inet6 fe80::f816:3eff:fe85:8352/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:05:53:d9:a2: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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8434) 09/15/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 27.19 0.45 23.52 3.21 16.85 4977.59 4572.71 20:50:01 51.99 0.01 41.12 10.87 0.04 2560.71 7652.24 21:00:01 22.59 0.18 18.90 3.51 10.68 4406.41 1571.41 Average: 33.92 0.21 27.85 5.86 9.19 3981.91 4598.78 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8970468 13335064 2614948 15.97 189244 4222572 3005532 17.25 759236 6177928 99780 20:50:01 8568336 13188388 2757992 16.84 212036 4423228 3194832 18.34 841800 6453404 22028 21:00:01 9250728 14978344 963752 5.89 241564 5446476 1168220 6.71 1209852 5339288 68 Average: 8929844 13833932 2112231 12.90 214281 4697425 2456195 14.10 936963 5990207 40625 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1151.12 1151.12 1096.80 1096.80 0.00 0.00 0.00 0.00 20:40:01 ens3 107.78 79.86 416.75 24.07 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5563.86 5563.86 5306.03 5306.03 0.00 0.00 0.00 0.00 20:50:01 ens3 70.16 52.20 26.61 20.34 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1641.73 1641.73 1543.87 1543.87 0.00 0.00 0.00 0.00 21:00:01 ens3 120.41 115.24 150.00 163.20 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2785.01 2785.01 2648.37 2648.37 0.00 0.00 0.00 0.00 Average: ens3 99.45 82.43 197.86 69.19 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8434) 09/15/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 65.87 0.00 3.03 0.08 0.05 30.97 20:40:01 0 63.16 0.00 2.66 0.08 0.05 34.06 20:40:01 1 66.72 0.00 2.92 0.08 0.05 30.23 20:40:01 2 66.37 0.00 3.14 0.09 0.05 30.34 20:40:01 3 67.26 0.00 3.38 0.08 0.06 29.22 20:50:01 all 60.55 0.00 4.56 0.15 0.05 34.69 20:50:01 0 59.30 0.00 4.34 0.14 0.05 36.18 20:50:01 1 60.83 0.00 4.36 0.13 0.05 34.64 20:50:01 2 60.76 0.00 4.79 0.21 0.05 34.19 20:50:01 3 61.31 0.00 4.75 0.12 0.05 33.77 21:00:01 all 42.62 0.00 2.37 0.13 0.06 54.83 21:00:01 0 44.23 0.00 2.59 0.13 0.06 52.99 21:00:01 1 43.41 0.00 2.32 0.09 0.05 54.14 21:00:01 2 44.48 0.00 2.31 0.09 0.07 53.04 21:00:01 3 38.32 0.00 2.26 0.20 0.07 59.15 Average: all 56.35 0.00 3.32 0.12 0.05 40.16 Average: 0 55.56 0.00 3.19 0.12 0.05 41.07 Average: 1 56.99 0.00 3.20 0.10 0.05 39.67 Average: 2 57.21 0.00 3.41 0.13 0.06 39.19 Average: 3 55.64 0.00 3.46 0.13 0.06 40.70