---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41516 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 8.1G 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 777 5021 4 2444 7164 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:15:c5:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83789sec preferred_lft 83789sec inet6 fe80::f816:3eff:fe15:c5be/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41516) 08/27/26 _x86_64_ (2 CPU) 14:08:49 LINUX RESTART (2 CPU) 14:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:23 21.78 1.66 17.90 2.22 130.95 2996.30 626.41 14:30:23 15.75 0.01 1.60 14.13 0.20 27.85 106720.17 14:40:23 1.23 0.00 1.23 0.00 0.00 18.80 0.00 14:50:23 1.17 0.00 1.17 0.00 0.00 16.13 0.00 Average: 9.99 0.42 5.48 4.09 32.80 765.05 26833.37 14:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:23 5238864 7411128 355720 4.37 86776 2246468 608056 6.62 523728 2073424 220 14:30:23 5215164 7390440 375884 4.62 86972 2249272 612252 6.67 528488 2076396 356 14:40:23 5219728 7396240 370124 4.55 87104 2250376 612316 6.67 528748 2077632 148 14:50:23 5219228 7396528 369832 4.55 87248 2251020 612556 6.67 528848 2078420 184 Average: 5223246 7398584 367890 4.52 87025 2249284 611295 6.66 527453 2076468 227 14:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:23 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 14:20:23 ens3 22.85 15.32 179.31 2.87 0.00 0.00 0.00 0.00 14:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:30:23 ens3 0.64 0.22 0.14 0.09 0.00 0.00 0.00 0.00 14:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:23 ens3 0.76 0.41 0.18 0.14 0.00 0.00 0.00 0.00 14:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:23 ens3 1.09 0.35 0.36 0.23 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 6.34 4.07 45.01 0.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41516) 08/27/26 _x86_64_ (2 CPU) 14:08:49 LINUX RESTART (2 CPU) 14:10:22 CPU %user %nice %system %iowait %steal %idle 14:20:23 all 9.73 0.00 1.47 0.68 0.02 88.09 14:20:23 0 8.31 0.00 1.30 0.81 0.02 89.57 14:20:23 1 11.16 0.00 1.65 0.55 0.02 86.62 14:30:23 all 1.51 0.00 0.26 0.04 0.01 98.18 14:30:23 0 1.12 0.00 0.25 0.06 0.01 98.58 14:30:23 1 1.91 0.00 0.27 0.02 0.01 97.79 14:40:23 all 1.14 0.00 0.13 0.01 0.01 98.70 14:40:23 0 1.15 0.00 0.14 0.03 0.01 98.67 14:40:23 1 1.13 0.00 0.13 0.00 0.01 98.73 14:50:23 all 1.04 0.00 0.16 0.02 0.01 98.77 14:50:23 0 0.54 0.00 0.13 0.05 0.01 99.28 14:50:23 1 1.53 0.00 0.19 0.00 0.01 98.26 Average: all 3.36 0.00 0.51 0.19 0.01 95.93 Average: 0 2.78 0.00 0.45 0.24 0.01 96.52 Average: 1 3.94 0.00 0.56 0.14 0.01 95.35