---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2468 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 755 5183 4 2295 7186 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:63:b7:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81491sec preferred_lft 81491sec inet6 fe80::f816:3eff:fe63:b7de/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-2468) 08/06/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 2.39 0.71 1.65 0.03 94.24 76.49 56.50 01:10:08 1.18 0.00 1.17 0.00 1.05 14.20 0.05 01:20:08 1.23 0.00 1.22 0.00 0.01 14.37 0.01 01:30:08 1.50 0.00 1.48 0.02 0.00 18.28 207.27 01:40:08 14.65 0.00 1.40 13.25 0.15 16.24 109063.97 01:50:08 17.73 1.59 15.22 0.93 114.69 2184.51 188.49 02:00:08 13.09 1.40 10.23 1.46 114.94 1331.34 579.19 Average: 7.39 0.53 4.62 2.24 46.43 522.20 15727.92 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6238792 7518580 301560 3.71 31416 1453636 720168 7.84 465072 1206388 184 01:10:08 6252560 7533140 287068 3.53 31564 1454284 535128 5.83 459296 1206868 128 01:20:08 6252964 7534044 286152 3.52 31732 1454604 535192 5.83 459800 1207360 164 01:30:08 6249492 7531224 288856 3.55 31912 1455068 535428 5.83 460144 1207872 208 01:40:08 6249252 7531520 288552 3.55 32072 1455440 535492 5.83 460268 1208376 124 01:50:08 5447616 7392476 387576 4.77 71876 2043984 645520 7.03 599676 1820020 44732 02:00:08 5177776 7399124 367448 4.52 88388 2292404 642244 7.00 600876 2055828 328 Average: 5981207 7491444 315316 3.88 45566 1658489 592739 6.46 500733 1416102 6553 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 1.27 0.29 3.28 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.42 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.39 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.53 0.27 0.17 0.65 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.31 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:50:08 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:08 ens3 38.25 24.55 278.23 6.02 0.00 0.00 0.00 0.00 02:00:08 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 02:00:08 ens3 79.59 56.53 49.84 12.59 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.25 11.69 47.40 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2468) 08/06/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.39 0.00 0.21 0.47 0.04 98.89 01:00:08 0 0.28 0.00 0.21 0.02 0.04 99.45 01:00:08 1 0.50 0.00 0.21 0.92 0.03 98.33 01:10:08 all 0.26 0.00 0.08 0.01 0.03 99.62 01:10:08 0 0.07 0.00 0.09 0.01 0.03 99.80 01:10:08 1 0.45 0.00 0.07 0.01 0.02 99.44 01:20:08 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:08 0 0.06 0.00 0.10 0.01 0.04 99.80 01:20:08 1 0.48 0.00 0.06 0.01 0.03 99.43 01:30:08 all 0.33 0.00 0.18 0.01 0.03 99.45 01:30:08 0 0.12 0.00 0.19 0.01 0.04 99.64 01:30:08 1 0.53 0.00 0.18 0.01 0.02 99.26 01:40:08 all 0.21 0.00 0.09 0.03 0.03 99.64 01:40:08 0 0.07 0.00 0.12 0.06 0.03 99.71 01:40:08 1 0.34 0.00 0.06 0.01 0.03 99.57 01:50:08 all 6.34 0.00 0.94 0.36 0.04 92.32 01:50:08 0 8.80 0.00 1.01 0.22 0.04 89.94 01:50:08 1 3.87 0.00 0.88 0.50 0.05 94.70 02:00:08 all 9.80 0.00 1.47 0.35 0.07 88.31 02:00:08 0 11.31 0.00 1.64 0.54 0.07 86.43 02:00:08 1 8.29 0.00 1.29 0.16 0.06 90.20 Average: all 2.51 0.00 0.44 0.18 0.04 96.84 Average: 0 2.96 0.00 0.48 0.13 0.04 96.40 Average: 1 2.07 0.00 0.39 0.23 0.03 97.28