---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13198 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 771 19984 4 11336 30852 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:e8:a1:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.250/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fee8:a1e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:e2:3e:a1:d1:2c 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-13198) 07/28/26 _x86_64_ (8 CPU) 07:32:28 LINUX RESTART (8 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:07 16.67 0.57 14.96 1.14 13.26 4304.66 1112.54 08:00:07 10.32 0.04 9.13 1.16 5.67 1609.72 2040.75 Average: 13.51 0.31 12.06 1.15 9.48 2963.14 1574.59 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:07 15257884 24118520 8127256 24.73 473164 7920220 10215308 30.12 1485400 14889708 296 08:00:07 16103948 25796444 6445696 19.61 479772 8711124 9014904 26.58 1570748 13937596 415796 Average: 15680916 24957482 7286476 22.17 476468 8315672 9615106 28.35 1528074 14413652 208046 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:07 lo 4.32 4.32 1.53 1.53 0.00 0.00 0.00 0.00 07:50:07 ens3 174.15 108.79 306.44 50.26 0.00 0.00 0.00 0.00 07:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:07 lo 3.75 3.75 0.47 0.47 0.00 0.00 0.00 0.00 08:00:07 ens3 125.86 69.47 108.76 36.26 0.00 0.00 0.00 0.00 08:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.04 4.04 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 150.11 89.22 208.04 43.29 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-13198) 07/28/26 _x86_64_ (8 CPU) 07:32:28 LINUX RESTART (8 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:07 all 80.40 0.00 2.65 0.07 0.21 16.67 07:50:07 0 81.56 0.00 2.76 0.17 0.21 15.30 07:50:07 1 78.49 0.00 2.64 0.00 0.21 18.66 07:50:07 2 78.21 0.00 2.58 0.14 0.21 18.86 07:50:07 3 81.74 0.00 2.59 0.00 0.21 15.45 07:50:07 4 80.76 0.00 2.77 0.11 0.21 16.14 07:50:07 5 79.85 0.00 2.65 0.08 0.21 17.22 07:50:07 6 84.49 0.00 2.73 0.01 0.20 12.57 07:50:07 7 78.12 0.00 2.46 0.05 0.20 19.17 08:00:07 all 96.70 0.00 3.03 0.00 0.23 0.03 08:00:07 0 96.49 0.00 3.25 0.00 0.23 0.04 08:00:07 1 96.56 0.00 3.18 0.00 0.23 0.03 08:00:07 2 96.64 0.00 3.08 0.00 0.23 0.05 08:00:07 3 96.79 0.00 2.94 0.00 0.23 0.04 08:00:07 4 96.53 0.00 3.21 0.00 0.23 0.04 08:00:07 5 96.75 0.00 2.98 0.00 0.23 0.04 08:00:07 6 96.95 0.00 2.80 0.00 0.23 0.02 08:00:07 7 96.92 0.00 2.83 0.00 0.23 0.02 Average: all 88.52 0.00 2.84 0.04 0.22 8.39 Average: 0 88.99 0.00 3.00 0.08 0.22 7.70 Average: 1 87.49 0.00 2.91 0.00 0.22 9.38 Average: 2 87.39 0.00 2.83 0.07 0.22 9.49 Average: 3 89.24 0.00 2.77 0.00 0.22 7.77 Average: 4 88.62 0.00 2.99 0.06 0.22 8.12 Average: 5 88.27 0.00 2.81 0.04 0.22 8.66 Average: 6 90.70 0.00 2.76 0.00 0.22 6.32 Average: 7 87.48 0.00 2.64 0.02 0.22 9.64