---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4852 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 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 697 27966 4 3427 30932 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:d4:e5:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.159/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84853sec preferred_lft 84853sec inet6 fe80::f816:3eff:fed4:e5b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:34:bd:37:7b:b0 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-4852) 05/29/26 _x86_64_ (8 CPU) 13:06:19 LINUX RESTART (8 CPU) 13:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 1.60 0.05 1.54 0.01 1.79 19.47 220.96 13:30:02 37.35 3.04 33.47 0.85 204.86 3023.89 422.50 Average: 19.49 1.54 17.52 0.43 103.41 1522.88 321.81 13:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 30113784 31772000 608392 1.85 63608 1926616 1521928 4.49 184580 2265284 12 13:30:02 27391996 29893544 2440284 7.43 108048 2686508 2890696 8.52 337264 4778752 3200 Average: 28752890 30832772 1524338 4.64 85828 2306562 2206312 6.51 260922 3522018 1606 13:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:20:01 ens3 2.19 0.28 1.31 0.33 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 0.77 0.77 0.36 0.36 0.00 0.00 0.00 0.00 13:30:02 ens3 47.80 35.28 521.83 10.29 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.18 0.18 0.00 0.00 0.00 0.00 Average: ens3 25.01 17.79 261.78 5.31 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-4852) 05/29/26 _x86_64_ (8 CPU) 13:06:19 LINUX RESTART (8 CPU) 13:10:02 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 0.04 0.00 0.02 0.01 0.01 99.93 13:20:01 0 0.04 0.00 0.03 0.02 0.01 99.90 13:20:01 1 0.15 0.00 0.03 0.00 0.02 99.79 13:20:01 2 0.02 0.00 0.02 0.01 0.01 99.95 13:20:01 3 0.01 0.00 0.02 0.00 0.01 99.96 13:20:01 4 0.02 0.00 0.01 0.06 0.00 99.91 13:20:01 5 0.01 0.00 0.01 0.00 0.01 99.97 13:20:01 6 0.02 0.00 0.02 0.01 0.01 99.96 13:20:01 7 0.02 0.00 0.02 0.00 0.00 99.96 13:30:02 all 5.34 0.00 0.28 0.17 0.02 94.18 13:30:02 0 6.63 0.00 0.55 0.24 0.03 92.56 13:30:02 1 6.18 0.00 0.42 0.04 0.03 93.32 13:30:02 2 4.32 0.00 0.15 0.01 0.04 95.49 13:30:02 3 5.67 0.00 0.19 0.02 0.02 94.10 13:30:02 4 5.66 0.00 0.28 0.05 0.02 94.00 13:30:02 5 4.83 0.00 0.12 0.01 0.01 95.02 13:30:02 6 4.88 0.00 0.28 0.95 0.03 93.87 13:30:02 7 4.56 0.00 0.24 0.07 0.01 95.11 Average: all 2.69 0.00 0.15 0.09 0.02 97.05 Average: 0 3.34 0.00 0.29 0.13 0.02 96.23 Average: 1 3.17 0.00 0.23 0.02 0.03 96.55 Average: 2 2.17 0.00 0.08 0.01 0.02 97.72 Average: 3 2.84 0.00 0.11 0.01 0.01 97.03 Average: 4 2.84 0.00 0.14 0.05 0.01 96.95 Average: 5 2.42 0.00 0.07 0.01 0.01 97.49 Average: 6 2.45 0.00 0.15 0.48 0.02 96.91 Average: 7 2.29 0.00 0.13 0.03 0.01 97.53