---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37176 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: 5599.94 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 742 5201 4 2290 7199 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:3c:8a:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82518sec preferred_lft 82518sec inet6 fe80::f816:3eff:fe3c:8a69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37176) 08/13/26 _x86_64_ (2 CPU) 01:05:14 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 2.27 0.74 1.52 0.01 96.31 75.79 58.42 01:30:02 1.44 0.01 1.40 0.03 0.05 17.44 419.58 01:40:01 1.17 0.00 1.16 0.01 0.00 14.30 3.61 01:50:02 1.13 0.00 1.13 0.00 0.00 14.01 0.00 02:00:01 15.36 1.59 12.85 0.93 115.04 2019.03 602.12 Average: 4.27 0.47 3.61 0.20 42.26 427.27 216.60 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 6237744 7512964 307420 3.78 31272 1449536 527200 5.74 455220 1202220 188 01:30:02 6245436 7521240 299128 3.68 31508 1449868 530092 5.77 455712 1202788 180 01:40:01 6245436 7521776 298584 3.67 31708 1450196 530224 5.78 455768 1203316 240 01:50:02 6259616 7536444 283908 3.49 31868 1450520 530420 5.78 456028 1203800 212 02:00:01 5448660 7386052 394432 4.85 71656 2037308 636912 6.94 589432 1813520 99864 Average: 6087378 7495695 316694 3.89 39602 1567486 550970 6.00 482432 1325129 20137 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 1.46 0.31 4.30 0.08 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.65 0.14 0.18 0.11 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 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.49 0.19 0.09 0.65 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 39.94 24.99 278.82 5.91 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 8.59 5.13 56.58 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37176) 08/13/26 _x86_64_ (2 CPU) 01:05:14 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 0.39 0.00 0.13 0.04 0.03 99.41 01:20:02 0 0.35 0.00 0.13 0.05 0.03 99.44 01:20:02 1 0.43 0.00 0.13 0.03 0.03 99.38 01:30:02 all 0.29 0.00 0.17 0.01 0.03 99.50 01:30:02 0 0.37 0.00 0.16 0.02 0.02 99.43 01:30:02 1 0.21 0.00 0.18 0.00 0.03 99.58 01:40:01 all 0.27 0.00 0.07 0.01 0.03 99.63 01:40:01 0 0.48 0.00 0.05 0.01 0.02 99.44 01:40:01 1 0.06 0.00 0.09 0.00 0.04 99.82 01:50:02 all 0.21 0.00 0.07 0.01 0.02 99.69 01:50:02 0 0.21 0.00 0.07 0.00 0.02 99.69 01:50:02 1 0.21 0.00 0.07 0.01 0.03 99.68 02:00:01 all 6.21 0.00 1.05 0.34 0.04 92.36 02:00:01 0 6.11 0.00 1.09 0.36 0.05 92.40 02:00:01 1 6.32 0.00 1.02 0.31 0.03 92.32 Average: all 1.47 0.00 0.30 0.08 0.03 98.12 Average: 0 1.50 0.00 0.30 0.09 0.03 98.08 Average: 1 1.44 0.00 0.30 0.07 0.03 98.16