---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34091 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 762 5121 4 2351 7179 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:19:82:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82784sec preferred_lft 82784sec inet6 fe80::f816:3eff:fe19:82df/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-34091) 08/11/26 _x86_64_ (2 CPU) 00:34:45 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 1.45 0.01 1.43 0.01 0.05 26.31 1.43 01:00:09 1.67 0.00 1.65 0.02 0.00 25.55 0.28 01:10:09 2.38 0.71 1.65 0.02 95.19 191.78 452.19 01:20:09 1.32 0.00 1.32 0.00 0.01 33.45 0.05 01:30:09 1.60 0.00 1.57 0.02 0.00 24.44 2.65 Average: 1.68 0.14 1.52 0.02 19.01 60.24 91.15 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 5217368 7393204 374644 4.61 85980 2250312 635256 6.92 583404 2022316 204 01:00:09 5175380 7353192 414644 5.10 86140 2252128 655832 7.14 603020 2024292 124 01:10:09 5125084 7367020 400200 4.92 86544 2315368 639904 6.97 597604 2077308 168 01:20:09 5116248 7363876 403256 4.96 86676 2320856 645088 7.03 603144 2082924 200 01:30:09 5100796 7350656 416428 5.12 86820 2322892 677528 7.38 635672 2084980 168 Average: 5146975 7365590 401834 4.94 86432 2292311 650722 7.09 604569 2058364 173 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 21.46 19.42 221.70 1.84 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 9.12 8.64 61.38 0.96 0.00 0.00 0.00 0.00 01:10:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 13.39 12.22 159.90 1.22 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 17.91 17.14 142.09 2.02 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 14.00 13.73 140.19 1.25 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.19 14.24 145.20 1.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34091) 08/11/26 _x86_64_ (2 CPU) 00:34:45 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 1.11 0.00 0.32 0.01 0.06 98.49 00:50:09 0 1.15 0.00 0.36 0.02 0.07 98.41 00:50:09 1 1.08 0.00 0.29 0.00 0.05 98.58 01:00:09 all 1.78 0.00 0.53 0.01 0.07 97.61 01:00:09 0 1.66 0.00 0.48 0.02 0.08 97.76 01:00:09 1 1.90 0.00 0.58 0.00 0.07 97.45 01:10:09 all 3.08 0.00 0.68 0.03 0.07 96.14 01:10:09 0 4.88 0.00 0.93 0.02 0.08 94.08 01:10:09 1 1.36 0.00 0.45 0.04 0.06 98.09 01:20:09 all 1.96 0.00 0.35 0.01 0.07 97.61 01:20:09 0 2.48 0.00 0.43 0.01 0.09 96.99 01:20:09 1 1.45 0.00 0.27 0.01 0.05 98.22 01:30:09 all 0.94 0.00 0.34 0.01 0.06 98.64 01:30:09 0 1.14 0.00 0.38 0.01 0.06 98.41 01:30:09 1 0.74 0.00 0.31 0.01 0.06 98.88 Average: all 1.76 0.00 0.44 0.01 0.07 97.71 Average: 0 2.23 0.00 0.51 0.02 0.08 97.17 Average: 1 1.30 0.00 0.38 0.01 0.06 98.25