---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38903 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 742 5211 4 2279 7198 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:4f:4b:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82113sec preferred_lft 82113sec inet6 fe80::f816:3eff:fe4f:4bf2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38903) 08/20/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:20 2.28 0.69 1.57 0.02 91.35 74.63 72.34 01:30:10 1.66 0.01 1.62 0.04 1.07 19.96 234.17 01:40:01 1.30 0.00 1.28 0.02 0.00 15.48 23.43 01:50:20 14.07 0.00 1.21 12.85 0.14 15.16 105663.22 02:00:10 1.67 0.03 1.61 0.03 2.18 19.91 231.74 02:10:00 18.01 1.60 15.45 0.96 115.11 2286.40 242.39 Average: 6.53 0.39 3.75 2.39 35.13 399.36 18318.28 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:20 6257012 7532064 288560 3.55 31316 1449100 706480 7.69 451472 1202568 124 01:30:10 6255676 7531612 289076 3.55 31536 1449752 519884 5.66 454652 1203120 148 01:40:01 6263740 7540212 280512 3.45 31752 1450056 520300 5.67 455516 1203648 244 01:50:20 6271076 7548164 272488 3.35 31968 1450440 520292 5.67 455340 1204220 188 02:00:10 6242328 7520748 299844 3.69 32172 1451540 520300 5.67 456004 1204836 124 02:10:00 5433180 7377312 403320 4.96 71904 2043424 629544 6.86 597924 1820164 46252 Average: 6120502 7508352 305633 3.76 38441 1549052 569467 6.20 478485 1306426 7847 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 1.86 0.28 3.33 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 0.62 0.11 0.64 0.08 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.62 0.30 0.14 0.64 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 0.18 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:10:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:00 ens3 36.20 25.21 285.94 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 6.52 4.26 47.59 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38903) 08/20/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:20 all 0.33 0.00 0.12 0.04 0.03 99.49 01:20:20 0 0.32 0.00 0.14 0.05 0.03 99.47 01:20:20 1 0.34 0.00 0.09 0.02 0.03 99.51 01:30:10 all 0.32 0.00 0.19 0.03 0.03 99.43 01:30:10 0 0.17 0.00 0.18 0.05 0.04 99.56 01:30:10 1 0.46 0.00 0.19 0.01 0.03 99.31 01:40:01 all 0.25 0.00 0.08 0.01 0.03 99.62 01:40:01 0 0.07 0.00 0.09 0.02 0.04 99.77 01:40:01 1 0.43 0.00 0.07 0.00 0.03 99.48 01:50:20 all 0.25 0.00 0.08 0.03 0.03 99.61 01:50:20 0 0.08 0.00 0.11 0.06 0.03 99.71 01:50:20 1 0.42 0.00 0.05 0.00 0.02 99.50 02:00:10 all 0.30 0.00 0.19 0.01 0.03 99.48 02:00:10 0 0.32 0.00 0.19 0.02 0.03 99.45 02:00:10 1 0.27 0.00 0.19 0.01 0.03 99.51 02:10:00 all 6.79 0.00 1.03 0.37 0.04 91.77 02:10:00 0 6.97 0.00 1.02 0.25 0.04 91.73 02:10:00 1 6.61 0.00 1.04 0.49 0.04 91.82 Average: all 1.35 0.00 0.28 0.08 0.03 98.26 Average: 0 1.30 0.00 0.29 0.07 0.03 98.30 Average: 1 1.41 0.00 0.27 0.09 0.03 98.21