---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18559 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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 1067 19440 4 11584 30557 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:17:e9:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.40/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84543sec preferred_lft 84543sec inet6 fe80::f816:3eff:fe17:e947/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:1a:bf:fb:ea:4f 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18559) 06/20/26 _x86_64_ (8 CPU) 20:52:25 LINUX RESTART (8 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 15.07 0.57 13.49 1.01 13.36 2726.76 1236.99 21:20:17 10.60 0.04 9.47 1.08 5.66 2785.16 1099.48 Average: 12.80 0.30 11.45 1.05 9.46 2756.35 1167.30 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 14568548 23704948 8538116 25.98 474020 8187420 10894164 32.13 1556884 15500652 160 21:20:17 15999000 25931440 6309496 19.20 478628 8950684 9870656 29.11 1634852 13969744 1692 Average: 15283774 24818194 7423806 22.59 476324 8569052 10382410 30.62 1595868 14735198 926 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4.31 4.31 1.54 1.54 0.00 0.00 0.00 0.00 21:10:01 ens3 153.67 93.09 254.37 41.67 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:17 lo 3.74 3.74 0.47 0.47 0.00 0.00 0.00 0.00 21:20:17 ens3 81.37 45.95 88.35 25.79 0.00 0.00 0.00 0.00 21:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 117.03 69.20 170.24 33.62 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18559) 06/20/26 _x86_64_ (8 CPU) 20:52:25 LINUX RESTART (8 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 81.18 0.00 2.68 0.01 0.09 16.03 21:10:01 0 81.39 0.00 2.68 0.01 0.10 15.82 21:10:01 1 85.58 0.00 2.77 0.01 0.10 11.55 21:10:01 2 79.66 0.00 2.91 0.01 0.09 17.34 21:10:01 3 84.18 0.00 2.62 0.00 0.09 13.12 21:10:01 4 79.64 0.00 2.87 0.03 0.10 17.37 21:10:01 5 78.26 0.00 2.45 0.01 0.10 19.19 21:10:01 6 80.45 0.00 2.53 0.00 0.09 16.92 21:10:01 7 80.27 0.00 2.64 0.00 0.10 16.99 21:20:17 all 96.71 0.00 3.11 0.00 0.11 0.07 21:20:17 0 96.87 0.00 2.97 0.00 0.11 0.05 21:20:17 1 96.79 0.00 3.03 0.00 0.12 0.06 21:20:17 2 96.71 0.00 3.12 0.00 0.10 0.07 21:20:17 3 96.71 0.00 3.10 0.00 0.10 0.09 21:20:17 4 96.75 0.00 3.07 0.00 0.12 0.06 21:20:17 5 96.78 0.00 3.06 0.00 0.10 0.06 21:20:17 6 96.64 0.00 3.19 0.00 0.10 0.08 21:20:17 7 96.46 0.00 3.35 0.00 0.12 0.07 Average: all 89.06 0.00 2.90 0.00 0.10 7.94 Average: 0 89.24 0.00 2.83 0.01 0.10 7.83 Average: 1 91.26 0.00 2.90 0.00 0.11 5.73 Average: 2 88.31 0.00 3.01 0.00 0.09 8.58 Average: 3 90.53 0.00 2.86 0.00 0.09 6.51 Average: 4 88.32 0.00 2.97 0.01 0.11 8.59 Average: 5 87.65 0.00 2.76 0.00 0.10 9.49 Average: 6 88.66 0.00 2.86 0.00 0.09 8.38 Average: 7 88.48 0.00 3.00 0.00 0.11 8.41