---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3304 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: 5599.94 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 772 5184 4 2278 7169 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:cd:e3:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82293sec preferred_lft 82293sec inet6 fe80::f816:3eff:fecd:e3e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3304) 08/08/26 _x86_64_ (2 CPU) 00:36:28 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.28 0.03 1.24 0.01 1.27 15.47 11.91 01:00:14 2.30 0.70 1.56 0.04 92.09 75.10 77.71 01:10:04 1.23 0.01 1.20 0.02 1.07 14.91 23.55 01:20:01 14.64 0.01 1.30 13.33 0.16 16.06 109556.10 01:30:16 1.50 0.00 1.46 0.04 0.00 18.73 227.04 01:40:08 21.22 1.61 18.57 1.04 116.17 2233.85 220.59 Average: 6.99 0.39 4.19 2.41 35.28 391.83 18304.80 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6294356 7545248 276076 3.39 31020 1425576 523076 5.70 448680 1188012 184 01:00:14 6245052 7525304 295328 3.63 31512 1454012 708488 7.72 465444 1206632 132 01:10:04 6252900 7534004 286676 3.53 31712 1454652 523140 5.70 459588 1207160 192 01:20:01 6251456 7533160 287496 3.54 31932 1455024 525016 5.72 461404 1207724 272 01:30:16 6251236 7533632 286996 3.53 32156 1455484 523564 5.70 460376 1208280 208 01:40:08 5466992 7413876 366664 4.51 72092 2045804 610940 6.65 575760 1821796 49648 Average: 6126999 7514204 299873 3.69 38404 1548425 569037 6.20 478542 1306601 8439 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.20 0.10 0.16 0.06 0.00 0.00 0.00 0.00 01:00:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.59 0.23 3.19 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.34 0.05 0.08 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 0.58 0.31 0.19 0.71 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.41 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:40:08 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:08 ens3 43.32 26.71 282.51 6.28 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 7.66 4.53 47.20 1.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3304) 08/08/26 _x86_64_ (2 CPU) 00:36:28 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.28 0.00 0.10 0.01 0.02 99.59 00:50:01 0 0.46 0.00 0.09 0.01 0.02 99.42 00:50:01 1 0.10 0.00 0.11 0.01 0.03 99.76 01:00:14 all 0.38 0.00 0.20 0.08 0.03 99.31 01:00:14 0 0.36 0.00 0.19 0.14 0.02 99.28 01:00:14 1 0.40 0.00 0.21 0.02 0.03 99.33 01:10:04 all 0.22 0.00 0.08 0.01 0.02 99.66 01:10:04 0 0.05 0.00 0.09 0.01 0.02 99.82 01:10:04 1 0.39 0.00 0.07 0.00 0.02 99.50 01:20:01 all 0.24 0.00 0.10 0.03 0.03 99.61 01:20:01 0 0.07 0.00 0.09 0.01 0.03 99.81 01:20:01 1 0.41 0.00 0.11 0.05 0.03 99.40 01:30:16 all 0.27 0.00 0.18 0.01 0.03 99.52 01:30:16 0 0.09 0.00 0.20 0.00 0.03 99.67 01:30:16 1 0.44 0.00 0.15 0.01 0.02 99.37 01:40:08 all 6.36 0.00 0.99 0.39 0.03 92.23 01:40:08 0 7.10 0.00 1.15 0.46 0.04 91.25 01:40:08 1 5.62 0.00 0.82 0.32 0.03 93.21 Average: all 1.28 0.00 0.27 0.09 0.03 98.33 Average: 0 1.34 0.00 0.30 0.11 0.03 98.22 Average: 1 1.22 0.00 0.25 0.07 0.03 98.44