---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36062 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 749 5033 4 2459 7192 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:de:2e:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81987sec preferred_lft 81987sec inet6 fe80::f816:3eff:fede:2e94/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36062) 08/12/26 _x86_64_ (2 CPU) 01:03:57 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 1.31 0.01 1.30 0.01 0.07 15.80 6.92 01:30:05 1.44 0.00 1.42 0.03 0.00 17.84 20.99 01:40:05 1.18 0.00 1.16 0.02 0.00 14.33 23.07 01:50:05 1.21 0.00 1.19 0.02 0.00 14.73 25.37 02:00:05 14.73 0.00 1.45 13.28 0.15 17.89 109091.01 02:10:05 18.90 2.30 15.56 1.04 209.80 2263.05 265.51 Average: 6.46 0.39 3.68 2.40 35.00 390.61 18238.81 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 6295744 7541932 279356 3.44 31000 1420924 528444 5.76 446024 1184148 240 01:30:05 6281968 7528728 292584 3.60 31204 1421256 529156 5.76 445548 1184696 232 01:40:05 6281968 7529256 292048 3.59 31404 1421576 529252 5.76 445696 1185216 216 01:50:05 6281464 7529272 292028 3.59 31608 1421888 529252 5.76 446096 1185732 296 02:00:05 6279512 7528036 293176 3.60 31796 1422408 529252 5.76 446260 1186284 248 02:10:05 5425668 7363428 417592 5.13 71824 2037296 636916 6.94 600572 1813908 48076 Average: 6141054 7503442 311131 3.83 38139 1524225 547045 5.96 471699 1289997 8218 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 1.15 0.10 0.16 0.07 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.80 0.10 2.86 0.06 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.35 0.07 0.11 0.04 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.29 0.06 0.09 0.04 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.18 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:10:05 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:10:05 ens3 35.15 24.74 280.96 6.43 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 6.32 4.19 47.37 1.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36062) 08/12/26 _x86_64_ (2 CPU) 01:03:57 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 0.27 0.00 0.09 0.12 0.02 99.49 01:20:05 0 0.07 0.00 0.12 0.04 0.03 99.75 01:20:05 1 0.46 0.00 0.07 0.21 0.02 99.24 01:30:05 all 0.33 0.00 0.18 0.02 0.03 99.45 01:30:05 0 0.49 0.00 0.18 0.01 0.02 99.30 01:30:05 1 0.16 0.00 0.18 0.04 0.03 99.60 01:40:05 all 0.26 0.00 0.08 0.03 0.03 99.61 01:40:05 0 0.46 0.00 0.05 0.01 0.02 99.47 01:40:05 1 0.07 0.00 0.10 0.05 0.03 99.75 01:50:05 all 0.27 0.00 0.08 0.02 0.03 99.61 01:50:05 0 0.48 0.00 0.06 0.00 0.02 99.43 01:50:05 1 0.05 0.00 0.10 0.03 0.03 99.79 02:00:05 all 0.28 0.00 0.18 0.06 0.03 99.45 02:00:05 0 0.35 0.00 0.18 0.13 0.03 99.32 02:00:05 1 0.21 0.00 0.18 0.00 0.04 99.58 02:10:05 all 6.38 0.00 1.01 0.92 0.05 91.65 02:10:05 0 6.19 0.00 0.95 0.96 0.04 91.87 02:10:05 1 6.57 0.00 1.07 0.88 0.05 91.43 Average: all 1.30 0.00 0.27 0.20 0.03 98.21 Average: 0 1.34 0.00 0.25 0.19 0.03 98.19 Average: 1 1.25 0.00 0.28 0.20 0.03 98.23