---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2217 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 8.1G 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 5015 4 2464 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:f2:b8:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82137sec preferred_lft 82137sec inet6 fe80::f816:3eff:fef2:b88f/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-2217) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 1.50 0.02 1.46 0.02 1.23 17.94 212.81 02:10:04 1.19 0.01 1.17 0.01 0.05 14.25 0.64 02:20:01 1.23 0.00 1.21 0.02 0.01 14.64 0.82 02:30:04 2.39 0.71 1.64 0.04 94.68 76.41 262.84 02:40:04 14.51 0.00 1.24 13.26 0.15 15.20 109062.99 02:50:01 16.80 1.60 14.23 0.97 115.29 2256.73 227.29 Average: 6.26 0.39 3.48 2.39 35.23 397.40 18297.45 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 6293868 7540228 280848 3.45 30932 1421400 522312 5.69 444512 1183768 204 02:10:04 6296432 7543336 277720 3.41 31140 1421728 522452 5.69 445008 1184304 208 02:20:01 6288368 7535832 285212 3.51 31360 1422064 522524 5.69 446876 1184856 268 02:30:04 6226320 7503492 316776 3.90 31872 1450828 522752 5.69 458272 1203432 240 02:40:04 6233660 7511540 308584 3.79 32056 1451328 523204 5.70 459060 1203972 212 02:50:01 5411732 7352412 427672 5.26 71988 2040020 649136 7.07 605376 1815864 47460 Average: 6125063 7497807 316135 3.89 38225 1534561 543730 5.92 476517 1296033 8099 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.63 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 1.20 0.12 4.65 0.08 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.44 0.13 0.15 0.09 0.00 0.00 0.00 0.00 02:30:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.65 0.27 3.43 0.07 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 6.38 3.99 4.22 3.43 0.00 0.00 0.00 0.00 02:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 35.48 25.76 279.54 10.34 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 7.44 5.03 48.45 2.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2217) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 0.30 0.00 0.17 0.05 0.02 99.46 02:00:04 0 0.29 0.00 0.18 0.02 0.02 99.49 02:00:04 1 0.31 0.00 0.16 0.07 0.02 99.43 02:10:04 all 0.24 0.00 0.08 0.05 0.03 99.61 02:10:04 0 0.17 0.00 0.07 0.00 0.03 99.73 02:10:04 1 0.30 0.00 0.08 0.10 0.03 99.49 02:20:01 all 0.29 0.00 0.08 0.04 0.03 99.57 02:20:01 0 0.12 0.00 0.10 0.04 0.03 99.71 02:20:01 1 0.45 0.00 0.05 0.04 0.02 99.44 02:30:04 all 0.41 0.00 0.21 0.06 0.02 99.30 02:30:04 0 0.47 0.00 0.20 0.07 0.02 99.24 02:30:04 1 0.35 0.00 0.22 0.04 0.02 99.36 02:40:04 all 0.39 0.00 0.12 3.32 0.02 96.15 02:40:04 0 0.60 0.00 0.12 4.94 0.02 94.32 02:40:04 1 0.17 0.00 0.12 1.70 0.03 97.99 02:50:01 all 6.72 0.00 1.03 2.11 0.04 90.10 02:50:01 0 6.17 0.00 1.05 2.05 0.04 90.70 02:50:01 1 7.27 0.00 1.01 2.18 0.04 89.50 Average: all 1.38 0.00 0.28 0.94 0.03 97.37 Average: 0 1.30 0.00 0.29 1.19 0.03 97.20 Average: 1 1.47 0.00 0.27 0.69 0.03 97.54