---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37167 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 778 4950 4 2521 7163 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:59:54:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82669sec preferred_lft 82669sec inet6 fe80::f816:3eff:fe59:54a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37167) 08/13/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 2.42 0.76 1.63 0.03 99.72 78.70 77.21 01:30:10 1.64 0.01 1.60 0.03 0.05 19.75 226.41 01:40:00 1.32 0.00 1.30 0.02 0.00 15.31 23.46 01:50:01 1.32 0.00 1.30 0.02 0.00 15.65 23.05 02:00:00 29.35 15.11 13.24 1.00 263.88 2041.45 612.53 Average: 7.24 3.19 3.83 0.22 72.51 436.25 193.89 01:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6218448 7493728 326584 4.02 31272 1449564 539592 5.88 464856 1202220 124 01:30:10 6225516 7501424 318836 3.92 31504 1449936 538812 5.87 461908 1202824 144 01:40:00 6232840 7509244 311044 3.82 31704 1450224 538812 5.87 462012 1203312 124 01:50:01 6239940 7516892 303452 3.73 31920 1450548 539856 5.88 463404 1203852 240 02:00:00 5345832 7339308 432236 5.31 75096 2081616 652516 7.11 609972 1860632 99860 Average: 6052515 7472119 338430 4.16 40299 1576378 561918 6.12 492430 1334568 20098 01:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.46 0.34 4.45 0.09 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.65 0.16 0.18 0.11 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.50 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.42 0.19 0.09 0.60 0.00 0.00 0.00 0.00 02:00:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:00 ens3 40.74 25.79 278.43 5.98 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 8.80 5.34 56.95 1.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37167) 08/13/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:20 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.37 0.00 0.12 0.03 0.02 99.45 01:20:00 0 0.29 0.00 0.15 0.04 0.02 99.50 01:20:00 1 0.46 0.00 0.09 0.02 0.02 99.41 01:30:10 all 0.30 0.00 0.18 0.01 0.02 99.49 01:30:10 0 0.15 0.00 0.18 0.00 0.02 99.64 01:30:10 1 0.45 0.00 0.17 0.01 0.02 99.35 01:40:00 all 0.26 0.00 0.08 0.01 0.02 99.63 01:40:00 0 0.06 0.00 0.10 0.01 0.03 99.80 01:40:00 1 0.46 0.00 0.05 0.01 0.02 99.45 01:50:01 all 0.24 0.00 0.06 0.01 0.02 99.67 01:50:01 0 0.40 0.00 0.06 0.01 0.01 99.53 01:50:01 1 0.09 0.00 0.07 0.01 0.03 99.80 02:00:00 all 6.25 0.17 1.08 0.43 0.03 92.04 02:00:00 0 10.33 0.35 1.40 0.58 0.03 87.32 02:00:00 1 2.17 0.00 0.75 0.28 0.04 96.76 Average: all 1.49 0.04 0.30 0.10 0.02 98.05 Average: 0 2.26 0.07 0.38 0.13 0.02 97.14 Average: 1 0.73 0.00 0.23 0.07 0.02 98.95