---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38256 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 756 5202 4 2275 7185 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:f3:de:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82770sec preferred_lft 82770sec inet6 fe80::f816:3eff:fef3:de93/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38256) 08/17/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:34 1.37 0.01 1.36 0.00 0.06 16.64 4.37 01:30:14 1.60 0.00 1.56 0.04 0.00 19.31 244.81 01:40:01 1.26 0.00 1.25 0.02 0.00 15.26 23.58 01:50:34 1.29 0.00 1.27 0.02 0.00 15.53 21.88 02:00:14 23.73 2.38 20.24 1.11 217.20 2466.72 778.90 Average: 5.68 0.46 4.99 0.23 41.82 488.24 207.15 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:34 6293888 7540296 281024 3.46 31008 1421136 534896 5.83 444272 1184180 164 01:30:14 6289800 7536768 284532 3.50 31224 1421464 535108 5.83 444480 1184724 160 01:40:01 6307180 7554664 266632 3.28 31432 1421764 535172 5.83 444648 1185232 260 01:50:34 6306704 7554776 266512 3.28 31652 1422120 535172 5.83 444616 1185808 180 02:00:14 5427760 7371140 409780 5.04 71780 2042840 653944 7.12 614012 1819172 42540 Average: 6125066 7511529 301696 3.71 39419 1545865 558858 6.09 478406 1311823 8661 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:34 ens3 0.87 0.13 0.17 0.08 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.76 0.07 2.15 0.04 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 0.51 0.11 0.55 0.06 0.00 0.00 0.00 0.00 01:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:34 ens3 0.21 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:00:14 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 02:00:14 ens3 39.95 26.27 294.21 6.67 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 8.16 5.13 57.20 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38256) 08/17/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:34 all 0.27 0.00 0.09 0.01 0.03 99.60 01:20:34 0 0.47 0.00 0.06 0.01 0.03 99.43 01:20:34 1 0.06 0.00 0.11 0.01 0.04 99.78 01:30:14 all 0.30 0.00 0.17 0.01 0.04 99.48 01:30:14 0 0.51 0.00 0.17 0.00 0.03 99.29 01:30:14 1 0.10 0.00 0.16 0.02 0.05 99.67 01:40:01 all 0.26 0.00 0.07 0.01 0.03 99.63 01:40:01 0 0.45 0.00 0.06 0.01 0.03 99.46 01:40:01 1 0.06 0.00 0.09 0.01 0.04 99.80 01:50:34 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:34 0 0.38 0.00 0.05 0.00 0.03 99.54 01:50:34 1 0.11 0.00 0.09 0.02 0.04 99.74 02:00:14 all 6.57 0.00 1.09 0.36 0.04 91.94 02:00:14 0 9.50 0.00 1.26 0.38 0.03 88.82 02:00:14 1 3.63 0.00 0.91 0.34 0.05 95.06 Average: all 1.48 0.00 0.29 0.08 0.04 98.12 Average: 0 2.19 0.00 0.31 0.08 0.03 97.39 Average: 1 0.77 0.00 0.27 0.08 0.04 98.85