---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38900 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 795 4922 4 2533 7146 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:bf:0a:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81964sec preferred_lft 81964sec inet6 fe80::f816:3eff:febf:a57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38900) 08/20/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:22 1.30 0.01 1.29 0.00 0.06 15.83 4.46 01:30:12 1.36 0.00 1.34 0.01 0.00 16.94 650.68 01:40:01 2.03 0.72 1.30 0.01 95.83 74.12 59.48 01:50:22 27.86 13.08 1.88 12.91 145.43 42.19 105448.18 02:00:12 1.43 0.00 1.41 0.02 0.00 17.34 209.03 02:10:01 20.44 1.61 17.90 0.93 116.43 1987.22 193.75 Average: 9.16 2.64 4.14 2.38 59.84 353.27 18359.44 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:22 6272856 7524544 296368 3.64 31060 1426528 529176 5.76 446808 1188504 132 01:30:12 6270376 7522584 298364 3.67 31232 1426860 529520 5.77 447048 1189008 180 01:40:01 6213780 7495408 324996 4.00 31648 1455468 718012 7.82 466228 1207716 184 01:50:22 6183280 7521804 289580 3.56 35228 1500436 531060 5.78 461052 1255316 168 02:00:12 6174320 7513492 297808 3.66 35396 1500896 531060 5.78 461204 1255816 188 02:10:01 5340140 7345296 426164 5.24 74964 2093260 671504 7.31 626548 1870988 121664 Average: 6075792 7487188 322213 3.96 39921 1567241 585055 6.37 484815 1327891 20419 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 2.05 0.13 1.08 0.08 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.61 0.11 0.64 0.08 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.78 0.41 3.42 0.65 0.00 0.00 0.00 0.00 01:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:22 ens3 0.22 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.18 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 38.27 26.59 285.84 6.10 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 6.92 4.48 47.68 1.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38900) 08/20/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:22 all 0.27 0.00 0.09 0.03 0.03 99.58 01:20:22 0 0.31 0.00 0.08 0.04 0.02 99.54 01:20:22 1 0.23 0.00 0.09 0.03 0.03 99.63 01:30:12 all 0.27 0.00 0.19 0.04 0.02 99.47 01:30:12 0 0.47 0.00 0.17 0.00 0.02 99.34 01:30:12 1 0.08 0.00 0.21 0.09 0.03 99.61 01:40:01 all 0.42 0.00 0.12 0.03 0.02 99.41 01:40:01 0 0.56 0.00 0.13 0.03 0.02 99.27 01:40:01 1 0.28 0.00 0.11 0.02 0.03 99.56 01:50:22 all 0.25 0.18 0.16 0.18 0.03 99.21 01:50:22 0 0.26 0.35 0.19 0.27 0.02 98.90 01:50:22 1 0.24 0.00 0.12 0.09 0.03 99.52 02:00:12 all 0.25 0.00 0.17 0.01 0.03 99.54 02:00:12 0 0.43 0.00 0.16 0.00 0.02 99.39 02:00:12 1 0.07 0.00 0.18 0.02 0.04 99.69 02:10:01 all 6.33 0.00 0.94 1.36 0.04 91.33 02:10:01 0 2.53 0.00 0.61 1.54 0.03 95.29 02:10:01 1 10.13 0.00 1.28 1.17 0.05 87.37 Average: all 1.28 0.03 0.27 0.27 0.03 98.11 Average: 0 0.75 0.06 0.22 0.31 0.02 98.63 Average: 1 1.81 0.00 0.33 0.23 0.03 97.60