---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37495 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 760 5118 4 2364 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:9d:6e:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 13999sec preferred_lft 13999sec inet6 fe80::f816:3eff:fe9d:6e09/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37495) 08/15/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.65 0.02 1.62 0.02 0.82 21.02 0.58 00:20:09 1.79 0.11 1.65 0.04 3.01 23.45 333.77 00:30:09 1.45 0.00 1.43 0.03 0.00 17.39 0.31 00:40:01 35.21 2.91 28.25 4.05 230.97 3679.06 1851.88 Average: 9.95 0.75 8.17 1.02 58.18 926.86 543.72 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6125048 7526072 283472 3.49 53016 1544052 525752 5.73 469012 1310092 392 00:20:09 6148420 7514100 295392 3.63 53180 1508500 529940 5.77 466420 1274488 160 00:30:09 6151224 7517416 292032 3.59 53344 1508828 532788 5.80 468832 1274980 420 00:40:01 5302856 7411760 354700 4.36 105908 2162736 607304 6.61 604800 1934884 13852 Average: 5931887 7492337 306399 3.77 66362 1681029 548946 5.98 502266 1448611 3706 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.49 0.15 0.17 0.10 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.38 0.12 0.14 0.08 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.77 0.41 0.21 1.74 0.00 0.00 0.00 0.00 00:40:01 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:40:01 ens3 73.71 50.64 333.66 14.05 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 18.67 12.72 82.78 3.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37495) 08/15/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.11 0.01 0.03 99.59 00:10:01 0 0.45 0.00 0.08 0.01 0.02 99.43 00:10:01 1 0.07 0.00 0.15 0.00 0.04 99.75 00:20:09 all 0.69 0.00 0.22 0.04 0.03 99.03 00:20:09 0 0.97 0.00 0.22 0.05 0.02 98.73 00:20:09 1 0.41 0.00 0.21 0.02 0.03 99.33 00:30:09 all 0.24 0.00 0.18 0.04 0.03 99.52 00:30:09 0 0.36 0.00 0.15 0.02 0.03 99.44 00:30:09 1 0.11 0.00 0.20 0.06 0.04 99.60 00:40:01 all 15.42 0.00 2.13 0.58 0.06 81.81 00:40:01 0 14.47 0.00 1.92 0.47 0.06 83.08 00:40:01 1 16.37 0.00 2.34 0.69 0.06 80.55 Average: all 4.12 0.00 0.66 0.16 0.04 95.03 Average: 0 4.03 0.00 0.59 0.14 0.03 95.21 Average: 1 4.20 0.00 0.72 0.19 0.04 94.85