---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-39022 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 685 26429 4 4976 30939 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:2f:79:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84809sec preferred_lft 84809sec inet6 fe80::f816:3eff:fe2f:79aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:16:fe:c4:e2:99 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-8c-8g-39022) 08/20/26 _x86_64_ (8 CPU) 12:37:42 LINUX RESTART (8 CPU) 12:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:13 1.85 0.03 1.80 0.01 0.96 22.00 0.60 13:00:13 68.47 15.66 50.94 1.87 375.67 11936.76 5580.87 Average: 35.16 7.85 26.37 0.94 188.31 5979.38 2790.73 12:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:13 30221544 31893384 493932 1.50 59400 1950396 1511864 4.46 199144 2162016 16 13:00:13 26685196 31644784 657856 2.00 225048 4841772 1243712 3.67 671036 4912060 127512 Average: 28453370 31769084 575894 1.75 142224 3396084 1377788 4.06 435090 3537038 63764 12:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:13 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:50:13 ens3 0.42 0.14 0.12 0.06 0.00 0.00 0.00 0.00 12:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 13:00:13 ens3 256.07 200.36 1011.87 129.12 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 128.25 100.25 505.99 64.59 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-8c-8g-39022) 08/20/26 _x86_64_ (8 CPU) 12:37:42 LINUX RESTART (8 CPU) 12:40:13 CPU %user %nice %system %iowait %steal %idle 12:50:13 all 0.05 0.00 0.02 0.01 0.01 99.91 12:50:13 0 0.02 0.00 0.01 0.00 0.00 99.97 12:50:13 1 0.02 0.00 0.02 0.00 0.01 99.95 12:50:13 2 0.02 0.00 0.01 0.00 0.00 99.96 12:50:13 3 0.05 0.00 0.06 0.06 0.02 99.82 12:50:13 4 0.01 0.00 0.02 0.00 0.01 99.96 12:50:13 5 0.03 0.00 0.03 0.03 0.01 99.90 12:50:13 6 0.23 0.00 0.02 0.01 0.01 99.74 12:50:13 7 0.01 0.00 0.01 0.02 0.00 99.97 13:00:13 all 25.47 0.04 1.22 0.25 0.07 72.95 13:00:13 0 23.95 0.00 1.26 0.09 0.07 74.64 13:00:13 1 25.34 0.00 1.27 0.21 0.06 73.11 13:00:13 2 19.41 0.00 1.09 0.08 0.06 79.36 13:00:13 3 30.91 0.35 1.79 0.36 0.08 66.52 13:00:13 4 26.18 0.01 0.86 0.11 0.07 72.77 13:00:13 5 28.14 0.00 1.17 0.45 0.07 70.16 13:00:13 6 25.90 0.00 1.05 0.24 0.07 72.74 13:00:13 7 23.94 0.00 1.27 0.44 0.06 74.28 Average: all 12.75 0.02 0.62 0.13 0.04 86.44 Average: 0 11.98 0.00 0.63 0.04 0.03 87.31 Average: 1 12.68 0.00 0.64 0.11 0.04 86.54 Average: 2 9.71 0.00 0.55 0.04 0.03 89.67 Average: 3 15.47 0.17 0.93 0.21 0.05 83.17 Average: 4 13.09 0.01 0.44 0.06 0.04 86.37 Average: 5 14.07 0.00 0.60 0.24 0.04 85.05 Average: 6 13.06 0.00 0.54 0.12 0.04 86.25 Average: 7 11.95 0.00 0.64 0.23 0.03 87.15