---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9205 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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): 2 On-line CPU(s) list: 0,1 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): 2 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 787 5075 4 2381 7154 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e9:94:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5974sec preferred_lft 5974sec inet6 fe80::f816:3eff:fee9:94c0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9205) 09/19/26 _x86_64_ (2 CPU) 00:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.79 0.02 1.76 0.02 0.84 21.04 217.07 00:20:02 1.88 0.11 1.73 0.04 3.05 24.75 464.26 00:30:02 1.94 0.00 1.92 0.02 0.00 21.39 211.77 00:40:01 26.74 2.82 21.53 2.38 222.43 3670.92 1282.42 00:50:02 1.51 0.00 1.50 0.01 0.00 22.94 0.08 Average: 6.76 0.59 5.68 0.49 45.21 751.23 434.87 00:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6093304 7504160 304436 3.74 54568 1553068 735236 8.01 474684 1322508 392 00:20:02 6116760 7488616 319960 3.93 54716 1513856 732296 7.98 472972 1283252 404 00:30:02 6130520 7502820 305608 3.76 54860 1514188 732296 7.98 473004 1283688 356 00:40:01 5062144 7369124 386548 4.75 106840 2351752 830992 9.05 616232 2128356 240 00:50:02 4995908 7304780 450932 5.54 106944 2353616 868812 9.46 646456 2130324 240 Average: 5679727 7433900 353497 4.35 75586 1857296 779926 8.49 536670 1629626 326 00:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.33 0.09 0.15 0.07 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.27 0.08 0.06 0.04 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.52 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 67.70 51.50 325.00 12.71 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 10.97 7.82 72.21 0.94 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.95 11.91 79.45 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9205) 09/19/26 _x86_64_ (2 CPU) 00:00:02 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.16 0.01 0.00 99.55 00:10:01 0 0.07 0.00 0.17 0.01 0.01 99.74 00:10:01 1 0.47 0.00 0.15 0.01 0.00 99.36 00:20:02 all 0.62 0.00 0.27 0.01 0.01 99.09 00:20:02 0 0.79 0.00 0.25 0.01 0.00 98.94 00:20:02 1 0.45 0.00 0.29 0.01 0.01 99.24 00:30:02 all 0.27 0.00 0.21 0.01 0.00 99.51 00:30:02 0 0.45 0.00 0.18 0.01 0.00 99.35 00:30:02 1 0.09 0.00 0.24 0.01 0.01 99.66 00:40:01 all 12.03 0.00 2.06 1.35 0.02 84.55 00:40:01 0 12.79 0.00 2.18 1.38 0.02 83.63 00:40:01 1 11.26 0.00 1.94 1.32 0.02 85.46 00:50:02 all 0.74 0.00 0.26 0.01 0.01 98.98 00:50:02 0 0.60 0.00 0.21 0.01 0.01 99.19 00:50:02 1 0.89 0.00 0.31 0.02 0.02 98.77 Average: all 2.79 0.00 0.59 0.28 0.01 96.33 Average: 0 2.94 0.00 0.60 0.28 0.01 96.17 Average: 1 2.63 0.00 0.59 0.28 0.01 96.50