---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35954 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 695 10419 4 4874 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:24:57:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84084sec preferred_lft 84084sec inet6 fe80::f816:3eff:fe24:57d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:72:d8:77:b3:10 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35954) 08/11/26 _x86_64_ (4 CPU) 15:59:04 LINUX RESTART (4 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:47 35.88 1.71 33.60 0.57 109.98 2298.33 1136.89 16:20:01 14.74 2.04 11.77 0.93 133.07 3071.20 2513.17 16:30:44 27.72 0.86 23.55 3.30 29.59 4034.46 10772.21 Average: 26.68 1.52 23.53 1.63 88.93 3135.56 4906.93 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:47 12991140 15488264 486644 2.97 99500 2586452 1002092 5.75 339828 2717908 260 16:20:01 10691820 14078740 1881636 11.49 133880 3372600 2109948 12.11 559492 4731596 23192 16:30:44 8699196 13271816 2678736 16.36 175512 4424848 2725016 15.64 884424 6276400 34772 Average: 10794052 14279607 1682339 10.28 136297 3461300 1945685 11.17 594581 4575301 19408 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:47 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:10:47 ens3 38.53 29.10 354.88 4.72 0.00 0.00 0.00 0.00 16:10:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 16:20:01 ens3 100.52 79.21 652.34 18.89 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 16:30:44 lo 1695.21 1695.21 1616.36 1616.36 0.00 0.00 0.00 0.00 16:30:44 ens3 88.57 65.32 423.42 16.98 0.00 0.00 0.00 0.00 16:30:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 590.90 590.90 563.02 563.02 0.00 0.00 0.00 0.00 Average: ens3 74.61 56.79 468.25 13.26 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35954) 08/11/26 _x86_64_ (4 CPU) 15:59:04 LINUX RESTART (4 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:47 all 2.46 0.00 0.32 0.42 0.03 96.77 16:10:47 0 1.61 0.00 0.21 0.17 0.03 97.99 16:10:47 1 3.41 0.00 0.48 0.36 0.03 95.72 16:10:47 2 2.99 0.00 0.34 0.07 0.03 96.57 16:10:47 3 1.83 0.00 0.24 1.09 0.02 96.82 16:20:01 all 63.56 0.00 2.15 0.91 0.22 33.16 16:20:01 0 63.26 0.00 2.16 1.43 0.28 32.87 16:20:01 1 61.77 0.00 2.17 0.67 0.23 35.16 16:20:01 2 65.85 0.00 2.05 0.74 0.20 31.16 16:20:01 3 63.35 0.00 2.21 0.81 0.18 33.45 16:30:44 all 68.95 0.00 2.80 0.16 0.27 27.82 16:30:44 0 71.18 0.00 2.86 0.05 0.20 25.71 16:30:44 1 68.78 0.00 2.79 0.12 0.21 28.10 16:30:44 2 66.42 0.00 2.68 0.18 0.30 30.42 16:30:44 3 69.40 0.00 2.86 0.28 0.38 27.08 Average: all 43.97 0.00 1.73 0.48 0.17 53.66 Average: 0 44.34 0.00 1.72 0.51 0.16 53.28 Average: 1 43.73 0.00 1.79 0.37 0.15 53.96 Average: 2 43.95 0.00 1.67 0.31 0.17 53.90 Average: 3 43.84 0.00 1.75 0.72 0.19 53.50