---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6482 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 15G 141G 10% / 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 695 23388 4 8008 30929 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:97:22:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.214/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85431sec preferred_lft 85431sec inet6 fe80::f816:3eff:fe97:22ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:f8:7c:85:a5:61 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-6482) 04/27/26 _x86_64_ (8 CPU) 18:15:03 LINUX RESTART (8 CPU) 18:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:03 121.42 4.38 110.95 6.09 643.48 21809.42 1571.97 Average: 121.42 4.38 110.95 6.09 643.48 21809.42 1571.97 18:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:03 22138988 30109884 2150984 6.55 179604 7896692 7245452 21.37 1120844 8934628 1776 Average: 22138988 30109884 2150984 6.55 179604 7896692 7245452 21.37 1120844 8934628 1776 18:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:03 lo 1.86 1.86 0.33 0.33 0.00 0.00 0.00 0.00 18:30:03 ens3 119.11 67.89 2800.76 9.82 0.00 0.00 0.00 0.00 18:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 br-2f81558d7533 1.33 2.19 0.09 36.09 0.00 0.00 0.00 0.00 18:30:03 vethd2f264b 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 18:30:03 veth4dcb864 4.50 6.16 0.70 0.84 0.00 0.00 0.00 0.00 18:30:03 veth8d8f4df 0.21 0.36 0.04 0.03 0.00 0.00 0.00 0.00 18:30:03 veth95193b0 1.28 2.24 0.11 36.10 0.00 0.00 0.00 0.00 18:30:03 veth110f0a2 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 veth3510bd4 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 veth3b9d667 0.18 0.15 0.02 0.02 0.00 0.00 0.00 0.00 Average: lo 1.86 1.86 0.33 0.33 0.00 0.00 0.00 0.00 Average: ens3 119.11 67.89 2800.76 9.82 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 Average: br-2f81558d7533 1.33 2.19 0.09 36.09 0.00 0.00 0.00 0.00 Average: vethd2f264b 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth4dcb864 4.50 6.16 0.70 0.84 0.00 0.00 0.00 0.00 Average: veth8d8f4df 0.21 0.36 0.04 0.03 0.00 0.00 0.00 0.00 Average: veth95193b0 1.28 2.24 0.11 36.10 0.00 0.00 0.00 0.00 Average: veth110f0a2 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3510bd4 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3b9d667 0.18 0.15 0.02 0.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-6482) 04/27/26 _x86_64_ (8 CPU) 18:15:03 LINUX RESTART (8 CPU) 18:20:04 CPU %user %nice %system %iowait %steal %idle 18:30:03 all 3.82 0.00 1.18 1.51 0.03 93.47 18:30:03 0 3.92 0.00 1.29 1.95 0.03 92.82 18:30:03 1 4.62 0.00 1.32 1.95 0.04 92.06 18:30:03 2 3.09 0.00 1.28 2.37 0.03 93.22 18:30:03 3 2.99 0.00 1.06 1.71 0.03 94.22 18:30:03 4 4.03 0.00 1.08 1.03 0.02 93.84 18:30:03 5 4.85 0.00 1.15 1.25 0.02 92.73 18:30:03 6 3.76 0.00 1.11 0.82 0.02 94.29 18:30:03 7 3.34 0.00 1.11 0.98 0.02 94.56 Average: all 3.82 0.00 1.18 1.51 0.03 93.47 Average: 0 3.92 0.00 1.29 1.95 0.03 92.82 Average: 1 4.62 0.00 1.32 1.95 0.04 92.06 Average: 2 3.09 0.00 1.28 2.37 0.03 93.22 Average: 3 2.99 0.00 1.06 1.71 0.03 94.22 Average: 4 4.03 0.00 1.08 1.03 0.02 93.84 Average: 5 4.85 0.00 1.15 1.25 0.02 92.73 Average: 6 3.76 0.00 1.11 0.82 0.02 94.29 Average: 7 3.34 0.00 1.11 0.98 0.02 94.56