---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2187 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 739 5122 4 2373 7202 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:1d:0e:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82149sec preferred_lft 82149sec inet6 fe80::f816:3eff:fe1d:e8f/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-2187) 08/05/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 1.42 0.01 1.39 0.02 0.05 16.91 410.31 01:10:35 1.35 0.02 1.31 0.02 2.11 15.58 0.47 01:20:01 1.25 0.00 1.23 0.02 0.01 14.35 0.38 01:30:15 14.40 0.00 1.42 12.97 0.14 17.43 107027.71 01:40:29 19.21 2.25 15.66 1.30 205.80 2383.54 253.10 01:50:01 11.37 1.48 8.80 1.09 118.67 1315.12 712.38 Average: 8.21 0.63 4.97 2.62 54.36 626.36 18471.39 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 6302228 7548732 272536 3.35 31076 1421148 522896 5.70 446504 1184260 140 01:10:35 6283796 7531484 289756 3.56 31304 1422112 522896 5.70 447100 1184880 184 01:20:01 6287324 7535520 285728 3.51 31496 1422408 523032 5.70 447864 1185380 240 01:30:15 6299260 7548188 273044 3.36 31708 1422912 523160 5.70 448628 1185940 184 01:40:29 5472400 7415140 365120 4.49 73216 2040352 607912 6.62 569200 1817240 15148 01:50:01 5125496 7382456 366344 4.50 88680 2325772 645204 7.03 603424 2089580 328 Average: 5961751 7493587 308755 3.80 47913 1675784 557517 6.07 493787 1441213 2704 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.50 0.04 0.05 0.01 0.00 0.00 0.00 0.00 01:10:35 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:35 ens3 0.43 0.10 0.10 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.13 0.16 0.09 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.40 0.18 0.09 0.58 0.00 0.00 0.00 0.00 01:40:29 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 01:40:29 ens3 40.32 24.74 275.76 6.09 0.00 0.00 0.00 0.00 01:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 50.81 41.30 73.94 10.11 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.26 10.86 58.84 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2187) 08/05/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 0.30 0.00 0.16 0.01 0.03 99.50 01:00:25 0 0.30 0.00 0.17 0.00 0.03 99.50 01:00:25 1 0.29 0.00 0.15 0.01 0.03 99.51 01:10:35 all 0.27 0.00 0.08 0.01 0.03 99.60 01:10:35 0 0.36 0.00 0.07 0.01 0.03 99.53 01:10:35 1 0.18 0.00 0.09 0.02 0.04 99.67 01:20:01 all 0.23 0.00 0.07 0.01 0.03 99.65 01:20:01 0 0.42 0.00 0.06 0.01 0.03 99.49 01:20:01 1 0.05 0.00 0.08 0.01 0.04 99.82 01:30:15 all 0.30 0.00 0.16 0.03 0.03 99.48 01:30:15 0 0.24 0.00 0.15 0.01 0.03 99.58 01:30:15 1 0.36 0.00 0.17 0.05 0.03 99.39 01:40:29 all 7.43 0.00 1.08 0.35 0.04 91.09 01:40:29 0 5.62 0.00 1.02 0.34 0.04 92.98 01:40:29 1 9.24 0.00 1.14 0.37 0.04 89.21 01:50:01 all 11.20 0.00 1.14 0.16 0.07 87.44 01:50:01 0 13.35 0.00 1.10 0.06 0.07 85.41 01:50:01 1 9.04 0.00 1.18 0.25 0.06 89.46 Average: all 3.23 0.00 0.45 0.09 0.04 96.19 Average: 0 3.30 0.00 0.43 0.07 0.04 96.17 Average: 1 3.16 0.00 0.47 0.12 0.04 96.21