---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38260 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 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 757 5196 4 2280 7184 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:b4:37:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82630sec preferred_lft 82630sec inet6 fe80::f816:3eff:feb4:37e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38260) 08/17/26 _x86_64_ (2 CPU) 01:04:01 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 1.41 0.01 1.40 0.00 0.07 16.62 4.60 01:30:01 1.58 0.00 1.55 0.03 0.00 18.73 235.01 01:40:01 14.59 0.00 1.32 13.26 0.15 15.72 109066.51 01:50:03 1.20 0.00 1.19 0.01 0.00 14.40 20.70 02:00:01 19.70 1.59 17.14 0.97 115.08 2242.13 688.85 Average: 7.69 0.32 4.51 2.86 22.99 460.24 22002.30 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 6295888 7542448 278872 3.43 31008 1421524 529488 5.77 439580 1184276 192 01:30:01 6309896 7557004 264312 3.25 31208 1421848 529484 5.77 439644 1184804 240 01:40:01 6300428 7548108 273196 3.36 31404 1422220 530700 5.78 446580 1185344 244 01:50:03 6299672 7547884 273372 3.36 31600 1422576 530700 5.78 446716 1185868 232 02:00:01 5477856 7392212 389060 4.78 71292 2014708 639328 6.96 587456 1800864 42540 Average: 6136748 7517531 295762 3.64 39302 1540575 551940 6.01 471995 1308231 8690 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.82 0.08 0.15 0.06 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 0.82 0.08 2.12 0.06 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 0.50 0.09 0.54 0.06 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 0.22 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 38.20 25.42 281.91 6.44 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.09 5.13 56.79 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38260) 08/17/26 _x86_64_ (2 CPU) 01:04:01 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 0.27 0.00 0.07 0.01 0.03 99.61 01:20:03 0 0.48 0.00 0.05 0.00 0.02 99.44 01:20:03 1 0.06 0.00 0.09 0.02 0.04 99.79 01:30:01 all 0.28 0.00 0.17 0.01 0.04 99.51 01:30:01 0 0.46 0.00 0.14 0.01 0.02 99.36 01:30:01 1 0.09 0.00 0.20 0.01 0.05 99.66 01:40:01 all 0.26 0.00 0.08 0.04 0.03 99.58 01:40:01 0 0.43 0.00 0.07 0.02 0.03 99.46 01:40:01 1 0.10 0.00 0.10 0.05 0.04 99.71 01:50:03 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:03 0 0.46 0.00 0.05 0.02 0.02 99.45 01:50:03 1 0.05 0.00 0.08 0.00 0.04 99.82 02:00:01 all 6.28 0.00 1.01 0.34 0.04 92.32 02:00:01 0 5.60 0.00 0.94 0.40 0.04 93.03 02:00:01 1 6.97 0.00 1.09 0.29 0.05 91.61 Average: all 1.47 0.00 0.28 0.08 0.03 98.14 Average: 0 1.48 0.00 0.25 0.09 0.03 98.15 Average: 1 1.45 0.00 0.31 0.07 0.04 98.12