---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3868 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: 5600.00 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 760 5120 4 2353 7181 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:a0:02:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81266sec preferred_lft 81266sec inet6 fe80::f816:3eff:fea0:227/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3868) 08/10/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.35 0.01 1.31 0.03 0.81 17.07 450.07 00:20:00 2.39 0.84 1.51 0.04 100.35 78.13 100.75 00:30:10 1.46 0.00 1.44 0.02 0.00 18.03 408.10 00:40:30 25.35 2.73 20.37 2.25 216.21 3330.56 607.27 00:50:01 16.38 0.00 1.50 14.87 0.15 59.23 111894.22 01:00:24 6.44 0.08 4.77 1.60 5.94 461.37 2031.86 Average: 8.91 0.62 5.26 3.03 54.66 678.94 18283.07 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6288868 7537280 283620 3.49 31452 1422724 520020 5.66 441536 1185172 348 00:20:00 6253632 7531788 288488 3.55 32056 1451328 517468 5.64 451132 1203568 124 00:30:10 6254016 7532836 287408 3.53 32268 1451780 544748 5.93 455212 1204104 28 00:40:30 5196216 7402032 365312 4.49 87036 2278720 651744 7.10 606000 2040456 244 00:50:01 5178908 7397236 370068 4.55 87184 2291120 665584 7.25 611356 2052976 980 01:00:24 5306272 7415792 359984 4.43 90068 2187052 594852 6.48 576476 1950264 29068 Average: 5746319 7469494 325813 4.01 60011 1847121 582403 6.34 523619 1606090 5132 00:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.47 0.12 0.13 0.07 0.00 0.00 0.00 0.00 00:20:00 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 1.01 0.65 3.37 0.08 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.60 0.23 0.17 0.65 0.00 0.00 0.00 0.00 00:40:30 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:30 ens3 70.83 45.90 308.26 11.45 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 43.56 37.47 8.62 4.39 0.00 0.00 0.00 0.00 01:00:24 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:00:24 ens3 53.49 50.28 27.59 18.98 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.60 22.63 59.60 6.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3868) 08/10/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.25 0.00 0.10 0.01 0.05 99.60 00:10:10 0 0.43 0.00 0.08 0.00 0.04 99.45 00:10:10 1 0.06 0.00 0.12 0.02 0.06 99.75 00:20:00 all 0.56 0.00 0.22 0.02 0.05 99.16 00:20:00 0 0.73 0.00 0.21 0.01 0.04 99.01 00:20:00 1 0.38 0.00 0.23 0.03 0.05 99.32 00:30:10 all 0.26 0.00 0.15 0.01 0.04 99.54 00:30:10 0 0.19 0.00 0.13 0.00 0.05 99.62 00:30:10 1 0.33 0.00 0.16 0.02 0.04 99.45 00:40:30 all 11.54 0.00 1.68 0.55 0.06 86.17 00:40:30 0 7.01 0.00 1.38 0.53 0.05 91.02 00:40:30 1 16.08 0.00 1.97 0.57 0.07 81.31 00:50:01 all 4.72 0.00 0.45 0.04 0.09 94.69 00:50:01 0 5.30 0.00 0.49 0.00 0.09 94.12 00:50:01 1 4.17 0.00 0.42 0.07 0.10 95.24 01:00:24 all 10.89 0.00 1.00 0.12 0.09 87.90 01:00:24 0 8.78 0.00 0.90 0.18 0.08 90.06 01:00:24 1 13.02 0.00 1.10 0.06 0.10 85.72 Average: all 4.77 0.00 0.61 0.13 0.06 94.43 Average: 0 3.76 0.00 0.54 0.12 0.06 95.51 Average: 1 5.77 0.00 0.68 0.13 0.07 93.35