---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38655 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: 5600.00 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: 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 763 5165 4 2305 7178 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:9b:7e:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82618sec preferred_lft 82618sec inet6 fe80::f816:3eff:fe9b:7e6b/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-38655) 08/19/26 _x86_64_ (2 CPU) 01:04:08 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 15.62 0.74 1.66 13.22 96.15 77.44 108743.85 01:30:01 1.62 0.01 1.57 0.04 1.06 19.34 23.46 01:40:01 1.33 0.00 1.32 0.02 0.00 15.28 23.06 01:50:03 1.25 0.00 1.24 0.02 0.00 14.65 20.78 02:00:03 16.73 1.57 14.21 0.95 113.23 2219.40 213.27 Average: 7.32 0.46 4.00 2.86 42.12 468.94 21867.07 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 6238484 7514588 305680 3.76 31328 1450344 705536 7.68 459060 1202656 172 01:30:01 6251648 7528632 291544 3.58 31528 1450984 518808 5.65 453384 1203184 120 01:40:01 6251424 7528940 291236 3.58 31720 1451316 520328 5.67 456160 1203708 120 01:50:03 6257992 7536028 284144 3.49 31920 1451636 520460 5.67 456704 1204228 184 02:00:03 5422004 7365864 414316 5.09 71688 2043588 626456 6.82 587576 1819532 45468 Average: 6084310 7494810 317384 3.90 39637 1569574 578318 6.30 482577 1326662 9213 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 1.29 0.48 3.39 0.10 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.75 0.08 12.91 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.36 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.37 0.15 0.09 0.57 0.00 0.00 0.00 0.00 02:00:03 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:03 ens3 37.22 24.92 281.20 5.87 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.99 5.14 59.48 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38655) 08/19/26 _x86_64_ (2 CPU) 01:04:08 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 0.40 0.00 0.13 0.05 0.05 99.37 01:20:03 0 0.41 0.00 0.12 0.08 0.04 99.34 01:20:03 1 0.39 0.00 0.13 0.03 0.05 99.39 01:30:01 all 0.28 0.00 0.16 0.04 0.04 99.47 01:30:01 0 0.21 0.00 0.16 0.01 0.04 99.59 01:30:01 1 0.36 0.00 0.17 0.06 0.05 99.36 01:40:01 all 0.27 0.00 0.07 0.01 0.04 99.61 01:40:01 0 0.04 0.00 0.09 0.00 0.05 99.82 01:40:01 1 0.49 0.00 0.05 0.02 0.04 99.40 01:50:03 all 0.27 0.00 0.07 0.04 0.04 99.57 01:50:03 0 0.08 0.00 0.10 0.00 0.05 99.77 01:50:03 1 0.47 0.00 0.04 0.08 0.03 99.38 02:00:03 all 6.23 0.00 1.00 0.44 0.05 92.29 02:00:03 0 4.77 0.00 0.80 0.51 0.06 93.87 02:00:03 1 7.69 0.00 1.19 0.37 0.04 90.71 Average: all 1.49 0.00 0.29 0.12 0.04 98.06 Average: 0 1.10 0.00 0.25 0.12 0.05 98.48 Average: 1 1.88 0.00 0.32 0.11 0.04 97.65