---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1762 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 28G 128G 18% / 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 855 8825 4 22410 30768 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:bb:e6:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.22/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83572sec preferred_lft 83572sec inet6 fe80::f816:3eff:febb:e6e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:1c:6d:c1:a0:3b 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 inet6 fe80::dc1c:6dff:fec1:a03b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1762) 07/21/26 _x86_64_ (8 CPU) 22:40:17 LINUX RESTART (8 CPU) 22:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 1.88 0.22 1.63 0.02 2.32 20.92 399.31 23:10:05 194.37 3.21 182.81 8.35 265.44 27373.21 183606.38 23:20:15 307.31 1.18 299.47 6.67 14.62 62925.77 351073.06 Average: 169.37 1.54 162.78 5.05 94.40 30409.53 180074.35 22:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 29891280 31755652 625724 1.90 65504 2134260 1528024 4.51 204424 2481420 16 23:10:05 23589564 31268540 1018392 3.10 240096 7485432 1623732 4.79 2150476 6442032 240 23:20:15 9664828 30981528 1234820 3.76 506128 20146156 1843400 5.44 8547980 13181168 1985276 Average: 21048557 31335240 959645 2.92 270576 9921949 1665052 4.91 3634293 7368207 661844 22:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 1.17 0.86 0.71 0.71 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:05 lo 0.81 0.81 0.09 0.09 0.00 0.00 0.00 0.00 23:10:05 ens3 209.39 139.81 2142.14 1002.05 0.00 0.00 0.00 0.00 23:10:05 docker0 35.64 65.07 2.03 813.44 0.00 0.00 0.00 0.00 23:20:15 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 23:20:15 ens3 145.70 101.77 1493.36 2696.28 0.00 0.00 0.00 0.00 23:20:15 docker0 26.18 41.91 1.95 735.78 0.00 0.00 0.00 0.00 23:20:15 veth13580fb 18.41 27.96 1.25 532.63 0.00 0.00 0.00 0.04 Average: lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 119.57 81.38 1220.53 1245.85 0.00 0.00 0.00 0.00 Average: docker0 20.76 35.90 1.34 520.37 0.00 0.00 0.00 0.00 Average: veth13580fb 6.22 9.44 0.42 179.91 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1762) 07/21/26 _x86_64_ (8 CPU) 22:40:17 LINUX RESTART (8 CPU) 22:50:09 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.15 0.00 0.02 0.01 0.01 99.82 23:00:01 0 0.02 0.00 0.02 0.04 0.01 99.91 23:00:01 1 0.49 0.00 0.04 0.00 0.02 99.46 23:00:01 2 0.46 0.00 0.02 0.01 0.02 99.50 23:00:01 3 0.11 0.00 0.00 0.00 0.01 99.88 23:00:01 4 0.04 0.00 0.02 0.01 0.02 99.91 23:00:01 5 0.03 0.00 0.01 0.00 0.01 99.96 23:00:01 6 0.01 0.00 0.00 0.00 0.00 99.99 23:00:01 7 0.01 0.00 0.02 0.00 0.01 99.97 23:10:05 all 6.64 0.00 1.78 0.65 0.04 90.89 23:10:05 0 7.58 0.00 1.88 0.98 0.05 89.51 23:10:05 1 5.00 0.00 1.48 0.53 0.04 92.96 23:10:05 2 8.40 0.00 1.62 0.65 0.04 89.29 23:10:05 3 6.17 0.00 1.75 0.64 0.04 91.39 23:10:05 4 6.21 0.00 1.64 0.90 0.05 91.20 23:10:05 5 5.54 0.00 1.81 0.65 0.05 91.96 23:10:05 6 4.77 0.00 1.89 0.60 0.04 92.70 23:10:05 7 9.46 0.00 2.13 0.26 0.04 88.11 23:20:15 all 9.18 0.00 3.42 1.84 0.06 85.50 23:20:15 0 7.56 0.00 3.21 1.98 0.06 87.19 23:20:15 1 10.44 0.00 4.05 1.81 0.06 83.63 23:20:15 2 9.97 0.00 3.48 1.79 0.06 84.69 23:20:15 3 8.78 0.00 3.45 1.83 0.06 85.88 23:20:15 4 8.57 0.00 3.34 2.25 0.06 85.77 23:20:15 5 8.65 0.00 3.26 1.79 0.05 86.25 23:20:15 6 9.88 0.00 3.28 1.97 0.06 84.81 23:20:15 7 9.60 0.00 3.29 1.30 0.06 85.75 Average: all 5.36 0.00 1.75 0.84 0.04 92.02 Average: 0 5.09 0.00 1.72 1.01 0.04 92.15 Average: 1 5.34 0.00 1.87 0.79 0.04 91.97 Average: 2 6.31 0.00 1.72 0.82 0.04 91.11 Average: 3 5.05 0.00 1.75 0.83 0.04 92.33 Average: 4 4.98 0.00 1.68 1.06 0.04 92.24 Average: 5 4.77 0.00 1.70 0.82 0.04 92.67 Average: 6 4.92 0.00 1.74 0.86 0.03 92.45 Average: 7 6.39 0.00 1.82 0.53 0.04 91.22