---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37173 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 763 5200 4 2270 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:14:82:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82712sec preferred_lft 82712sec inet6 fe80::f816:3eff:fe14:82a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37173) 08/13/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:33 1.29 0.03 1.26 0.00 1.29 15.61 2.27 01:30:33 1.38 0.00 1.35 0.03 0.00 17.15 660.82 01:40:03 1.20 0.00 1.18 0.02 0.00 14.95 22.08 01:50:01 2.11 0.71 1.38 0.02 94.38 74.34 79.39 02:00:32 14.60 1.51 12.10 0.99 110.17 2239.68 398.28 Average: 4.24 0.46 3.56 0.22 42.12 493.68 235.68 01:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:33 6295580 7542148 279060 3.43 31012 1421336 528616 5.76 443916 1184168 232 01:30:33 6292104 7539232 282000 3.47 31224 1421664 528868 5.76 444136 1184716 180 01:40:03 6291604 7539240 282020 3.47 31432 1421956 528952 5.76 444412 1185216 184 01:50:01 6236272 7513288 307196 3.78 31908 1450456 723288 7.88 461044 1203868 248 02:00:32 5480824 7418808 361928 4.45 71724 2037592 611928 6.67 564500 1813660 4260 Average: 6119277 7510543 302441 3.72 39460 1550601 584330 6.36 471602 1314326 1021 01:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:33 ens3 1.08 0.15 0.18 0.10 0.00 0.00 0.00 0.00 01:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:33 ens3 0.63 0.13 0.16 0.09 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.64 0.22 0.09 0.69 0.00 0.00 0.00 0.00 01:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.61 0.30 3.31 0.06 0.00 0.00 0.00 0.00 02:00:32 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:32 ens3 36.65 24.56 264.63 5.71 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 8.27 5.31 56.22 1.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37173) 08/13/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:23 CPU %user %nice %system %iowait %steal %idle 01:20:33 all 0.30 0.00 0.09 0.01 0.04 99.56 01:20:33 0 0.13 0.00 0.09 0.01 0.04 99.73 01:20:33 1 0.48 0.00 0.09 0.01 0.03 99.39 01:30:33 all 0.28 0.00 0.17 0.01 0.04 99.49 01:30:33 0 0.10 0.00 0.18 0.02 0.06 99.65 01:30:33 1 0.47 0.00 0.15 0.01 0.03 99.34 01:40:03 all 0.26 0.00 0.07 0.01 0.04 99.62 01:40:03 0 0.08 0.00 0.08 0.02 0.05 99.77 01:40:03 1 0.44 0.00 0.05 0.00 0.03 99.47 01:50:01 all 0.36 0.00 0.10 0.03 0.03 99.48 01:50:01 0 0.30 0.00 0.11 0.02 0.04 99.53 01:50:01 1 0.41 0.00 0.09 0.04 0.03 99.43 02:00:32 all 5.86 0.00 0.99 0.31 0.05 92.79 02:00:32 0 4.11 0.00 0.97 0.38 0.05 94.48 02:00:32 1 7.62 0.00 1.02 0.24 0.04 91.09 Average: all 1.47 0.00 0.29 0.08 0.04 98.12 Average: 0 0.98 0.00 0.29 0.09 0.05 98.58 Average: 1 1.95 0.00 0.29 0.06 0.03 97.67