---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-9060 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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: 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 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 18G 138G 12% / 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 1089 19475 4 11526 30534 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:6c:a7:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.253/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84533sec preferred_lft 84533sec inet6 fe80::f816:3eff:fe6c:a7e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:92:83:ba:d7:14 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-9060) 07/11/26 _x86_64_ (8 CPU) 21:11:33 LINUX RESTART (8 CPU) 21:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:15 12.40 0.23 11.21 0.95 3.77 1865.83 95.00 21:40:01 11.14 0.04 9.92 1.18 5.77 2979.46 1465.52 Average: 11.78 0.14 10.58 1.06 4.76 2415.80 771.84 21:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:15 15284744 24353212 7890264 24.01 473876 8118844 11004268 32.45 1496164 14849756 200 21:40:01 17012148 26890812 5350948 16.28 479236 8893088 9621632 28.37 1575708 13019276 2808 Average: 16148446 25622012 6620606 20.15 476556 8505966 10312950 30.41 1535936 13934516 1504 21:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:15 lo 5.83 5.83 1.10 1.10 0.00 0.00 0.00 0.00 21:30:15 ens3 185.01 107.93 166.36 52.47 0.00 0.00 0.00 0.00 21:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 21:40:01 ens3 130.36 60.95 112.88 40.69 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.52 3.52 0.62 0.62 0.00 0.00 0.00 0.00 Average: ens3 158.02 84.73 139.95 46.65 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-9060) 07/11/26 _x86_64_ (8 CPU) 21:11:33 LINUX RESTART (8 CPU) 21:20:15 CPU %user %nice %system %iowait %steal %idle 21:30:15 all 85.66 0.00 2.82 0.01 0.10 11.42 21:30:15 0 85.29 0.00 2.55 0.00 0.10 12.06 21:30:15 1 82.96 0.00 2.97 0.02 0.10 13.95 21:30:15 2 86.98 0.00 2.77 0.00 0.11 10.14 21:30:15 3 87.58 0.00 2.76 0.00 0.10 9.56 21:30:15 4 85.91 0.00 2.75 0.00 0.10 11.24 21:30:15 5 84.25 0.00 3.00 0.02 0.10 12.64 21:30:15 6 89.92 0.00 2.68 0.01 0.10 7.29 21:30:15 7 82.40 0.00 3.04 0.01 0.09 14.47 21:40:01 all 96.67 0.00 3.19 0.00 0.10 0.04 21:40:01 0 96.70 0.00 3.16 0.00 0.10 0.03 21:40:01 1 96.56 0.00 3.30 0.00 0.10 0.04 21:40:01 2 96.46 0.00 3.39 0.00 0.10 0.04 21:40:01 3 96.80 0.00 3.04 0.00 0.10 0.06 21:40:01 4 96.60 0.00 3.25 0.00 0.10 0.05 21:40:01 5 96.70 0.00 3.15 0.00 0.10 0.05 21:40:01 6 96.73 0.00 3.13 0.00 0.10 0.03 21:40:01 7 96.79 0.00 3.07 0.00 0.10 0.04 Average: all 91.10 0.00 3.00 0.00 0.10 5.80 Average: 0 90.93 0.00 2.85 0.00 0.10 6.12 Average: 1 89.68 0.00 3.13 0.01 0.10 7.08 Average: 2 91.67 0.00 3.08 0.00 0.10 5.15 Average: 3 92.13 0.00 2.90 0.00 0.10 4.87 Average: 4 91.19 0.00 3.00 0.00 0.10 5.71 Average: 5 90.40 0.00 3.07 0.01 0.10 6.42 Average: 6 93.28 0.00 2.90 0.01 0.10 3.70 Average: 7 89.51 0.00 3.06 0.00 0.09 7.34