---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36055 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 766 4959 4 2518 7175 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:74:dc:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81657sec preferred_lft 81657sec inet6 fe80::f816:3eff:fe74:dc2d/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-36055) 08/12/26 _x86_64_ (2 CPU) 01:03:33 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.23 0.01 1.21 0.02 0.07 15.01 20.85 01:30:04 14.69 0.00 1.46 13.23 0.15 18.41 108836.93 01:40:04 15.48 13.52 1.89 0.07 149.23 43.13 29.17 01:50:04 1.35 0.00 1.33 0.02 0.00 16.04 25.37 02:00:04 1.62 0.00 1.59 0.03 0.00 19.31 23.29 02:10:04 22.38 2.28 19.15 0.95 207.86 2266.23 258.80 02:20:04 12.99 1.25 10.30 1.43 110.02 1557.59 272.65 Average: 9.97 2.44 5.28 2.26 66.76 562.25 15704.78 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6295776 7542036 279152 3.43 31068 1421124 531712 5.79 449680 1184408 132 01:30:04 6286112 7532996 288144 3.54 31292 1421500 531916 5.79 449904 1184980 172 01:40:04 6218744 7522180 289880 3.56 34888 1466116 532124 5.80 450944 1232584 172 01:50:04 6218744 7522720 289316 3.56 35116 1466436 532140 5.80 451136 1233124 216 02:00:04 6211948 7516652 295328 3.63 35348 1466896 532132 5.80 451348 1233696 228 02:10:04 5386104 7379368 392244 4.82 75132 2081304 639808 6.97 595500 1861036 42604 02:20:04 5005328 7356680 382444 4.70 90496 2409456 656600 7.15 612336 2175668 580 Average: 5946108 7481805 316644 3.89 47620 1676119 565205 6.16 494407 1443642 6301 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.43 0.12 0.19 0.07 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.71 0.08 2.83 0.06 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.45 0.24 0.11 0.62 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.29 0.08 0.09 0.04 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:04 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:10:04 ens3 38.23 26.27 281.07 5.99 0.00 0.00 0.00 0.00 02:20:04 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:20:04 ens3 54.71 45.46 143.90 10.48 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 13.71 10.33 61.18 2.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36055) 08/12/26 _x86_64_ (2 CPU) 01:03:33 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.26 0.00 0.08 0.01 0.02 99.62 01:20:01 0 0.08 0.00 0.09 0.01 0.03 99.80 01:20:01 1 0.44 0.00 0.08 0.02 0.02 99.44 01:30:04 all 0.27 0.00 0.18 0.04 0.05 99.46 01:30:04 0 0.32 0.00 0.17 0.01 0.06 99.44 01:30:04 1 0.22 0.00 0.19 0.07 0.03 99.48 01:40:04 all 0.23 0.18 0.14 0.14 0.03 99.29 01:40:04 0 0.23 0.02 0.11 0.05 0.03 99.58 01:40:04 1 0.24 0.33 0.17 0.23 0.03 98.99 01:50:04 all 0.18 0.00 0.07 0.01 0.03 99.71 01:50:04 0 0.04 0.00 0.09 0.00 0.04 99.82 01:50:04 1 0.32 0.00 0.04 0.02 0.02 99.60 02:00:04 all 0.27 0.00 0.16 0.01 0.03 99.53 02:00:04 0 0.06 0.00 0.19 0.01 0.04 99.70 02:00:04 1 0.48 0.00 0.13 0.01 0.03 99.36 02:10:04 all 6.28 0.00 0.95 0.39 0.04 92.34 02:10:04 0 5.25 0.00 0.96 0.60 0.05 93.14 02:10:04 1 7.31 0.00 0.94 0.19 0.04 91.53 02:20:04 all 11.90 0.00 1.13 0.21 0.07 86.70 02:20:04 0 6.16 0.00 1.07 0.12 0.06 92.58 02:20:04 1 17.64 0.00 1.19 0.29 0.08 80.81 Average: all 2.77 0.03 0.39 0.12 0.04 96.67 Average: 0 1.73 0.00 0.38 0.11 0.04 97.72 Average: 1 3.80 0.05 0.39 0.12 0.03 95.61