---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41541 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 7.9G 30G 21% / 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 745 5158 4 2339 7195 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:9c:ee:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 46588sec preferred_lft 46588sec inet6 fe80::f816:3eff:fe9c:eeb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41541) 08/28/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.81 0.02 1.77 0.02 0.80 21.63 0.60 00:20:28 1.68 0.11 1.54 0.03 3.05 20.17 285.73 00:30:01 1.50 0.00 1.47 0.03 0.00 17.59 1.26 00:40:28 25.74 2.68 20.82 2.25 212.21 3174.43 538.46 00:50:28 1.86 0.01 1.83 0.03 0.48 118.89 2.68 01:00:01 1.71 0.00 1.70 0.02 0.00 19.55 0.24 01:10:28 1.37 0.00 1.37 0.00 0.00 15.71 0.00 Average: 5.23 0.41 4.46 0.35 32.08 500.90 121.05 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 6161520 7520328 288696 3.55 44336 1511592 550592 6.00 407448 1328568 160 00:20:28 6179732 7521192 287776 3.54 44492 1494040 549500 5.99 406880 1310956 140 00:30:01 6176088 7518208 290652 3.57 44680 1494496 549500 5.99 406224 1311472 132 00:40:28 5172516 7438668 317140 3.90 97272 2320632 579120 6.31 489204 2145144 26044 00:50:28 5146104 7412900 343028 4.22 97384 2321328 648412 7.06 529996 2145952 124 01:00:01 5143700 7410968 344828 4.24 97516 2321676 648548 7.06 530048 2146432 248 01:10:28 5145764 7413512 342284 4.21 97648 2322024 648676 7.07 530112 2146912 200 Average: 5589346 7462254 316343 3.89 74761 1969398 596335 6.50 471416 1790777 3864 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:28 ens3 1.02 0.26 0.38 0.24 0.00 0.00 0.00 0.00 00:20:28 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:28 ens3 0.40 0.10 0.09 0.06 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.58 0.11 0.15 0.08 0.00 0.00 0.00 0.00 00:40:28 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:28 ens3 58.01 43.33 303.18 10.93 0.00 0.00 0.00 0.00 00:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:28 ens3 3.84 0.83 0.80 0.19 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.96 0.21 0.26 0.06 0.00 0.00 0.00 0.00 01:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 3.62 0.23 0.41 0.12 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 10.23 6.67 45.24 1.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41541) 08/28/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 0.29 0.00 0.13 0.01 0.00 99.57 00:10:28 0 0.48 0.00 0.10 0.02 0.00 99.40 00:10:28 1 0.10 0.00 0.16 0.00 0.00 99.73 00:20:28 all 0.54 0.00 0.21 0.01 0.00 99.24 00:20:28 0 0.41 0.00 0.21 0.02 0.00 99.35 00:20:28 1 0.66 0.00 0.22 0.01 0.00 99.12 00:30:01 all 0.31 0.00 0.14 0.01 0.00 99.54 00:30:01 0 0.14 0.00 0.16 0.01 0.00 99.69 00:30:01 1 0.47 0.00 0.12 0.01 0.00 99.40 00:40:28 all 10.73 0.01 1.87 0.62 0.01 86.77 00:40:28 0 12.83 0.01 1.96 0.74 0.01 84.45 00:40:28 1 8.62 0.00 1.78 0.50 0.00 89.10 00:50:28 all 0.50 0.00 0.17 0.01 0.01 99.31 00:50:28 0 0.54 0.00 0.11 0.01 0.00 99.33 00:50:28 1 0.45 0.00 0.23 0.02 0.02 99.29 01:00:01 all 0.44 0.00 0.23 0.01 0.00 99.32 01:00:01 0 0.48 0.00 0.23 0.00 0.00 99.29 01:00:01 1 0.40 0.00 0.23 0.02 0.00 99.35 01:10:28 all 0.41 0.00 0.14 0.01 0.00 99.44 01:10:28 0 0.29 0.00 0.22 0.00 0.01 99.48 01:10:28 1 0.52 0.00 0.05 0.03 0.00 99.40 Average: all 1.94 0.00 0.42 0.10 0.00 97.53 Average: 0 2.24 0.00 0.44 0.12 0.00 97.20 Average: 1 1.65 0.00 0.41 0.09 0.00 97.85