---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3351 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 5014 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:f3:3c:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82018sec preferred_lft 82018sec inet6 fe80::f816:3eff:fef3:3c14/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3351) 08/08/26 _x86_64_ (2 CPU) 01:45:02 LINUX RESTART (2 CPU) 01:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:20 1.54 0.01 1.52 0.02 0.05 18.23 215.78 02:10:11 1.16 0.00 1.16 0.00 0.00 14.42 2.34 02:20:01 2.07 0.72 1.34 0.01 95.74 73.83 59.42 02:30:01 1.37 0.00 1.35 0.02 1.05 16.47 207.25 02:40:11 1.25 0.00 1.25 0.00 0.00 14.87 0.00 02:50:01 15.40 1.61 12.86 0.92 116.64 2230.93 191.29 Average: 3.77 0.39 3.22 0.16 35.18 390.51 112.59 01:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:20 6287796 7534156 287452 3.53 31008 1421112 538356 5.86 455888 1183988 180 02:10:11 6294208 7541080 280516 3.45 31188 1421440 538356 5.86 455956 1184496 156 02:20:01 6221284 7497380 323492 3.98 31632 1449828 732152 7.97 472632 1203004 148 02:30:01 6240812 7517736 303136 3.73 31808 1450468 538568 5.87 466960 1203516 124 02:40:11 6240308 7517896 302972 3.73 31968 1450968 539248 5.87 468276 1204048 132 02:50:01 5451116 7391812 388952 4.78 71792 2040044 650716 7.09 601120 1816244 48116 Average: 6122587 7500010 314420 3.87 38233 1538977 589566 6.42 486805 1299216 8143 01:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 1.04 0.09 0.14 0.06 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.11 0.04 7.74 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.91 0.56 3.35 0.07 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.57 0.05 0.94 0.03 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 6.19 3.86 4.07 3.29 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 42.35 26.51 283.54 10.38 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 8.64 5.15 49.43 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3351) 08/08/26 _x86_64_ (2 CPU) 01:45:02 LINUX RESTART (2 CPU) 01:50:20 CPU %user %nice %system %iowait %steal %idle 02:00:20 all 0.26 0.00 0.17 0.01 0.04 99.52 02:00:20 0 0.15 0.00 0.16 0.01 0.04 99.65 02:00:20 1 0.38 0.00 0.17 0.01 0.04 99.40 02:10:11 all 0.25 0.00 0.07 0.01 0.04 99.64 02:10:11 0 0.05 0.00 0.09 0.01 0.05 99.81 02:10:11 1 0.46 0.00 0.04 0.01 0.03 99.46 02:20:01 all 0.37 0.00 0.11 0.15 0.03 99.34 02:20:01 0 0.20 0.00 0.12 0.22 0.04 99.42 02:20:01 1 0.53 0.00 0.10 0.08 0.03 99.27 02:30:01 all 0.29 0.00 0.16 0.03 0.03 99.48 02:30:01 0 0.28 0.00 0.17 0.05 0.03 99.47 02:30:01 1 0.31 0.00 0.15 0.02 0.03 99.49 02:40:11 all 0.42 0.00 0.10 0.01 0.03 99.44 02:40:11 0 0.61 0.00 0.09 0.02 0.03 99.26 02:40:11 1 0.24 0.00 0.11 0.00 0.04 99.62 02:50:01 all 6.68 0.00 1.03 0.51 0.04 91.73 02:50:01 0 3.48 0.00 0.79 0.30 0.03 95.40 02:50:01 1 9.90 0.00 1.27 0.73 0.05 88.06 Average: all 1.37 0.00 0.27 0.12 0.03 98.21 Average: 0 0.79 0.00 0.24 0.10 0.04 98.84 Average: 1 1.95 0.00 0.30 0.14 0.03 97.57