---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37170 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 781 5101 4 2359 7160 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:54:41:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82672sec preferred_lft 82672sec inet6 fe80::f816:3eff:fe54:410a/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-37170) 08/13/26 _x86_64_ (2 CPU) 01:05:06 LINUX RESTART (2 CPU) 01:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:33 15.49 13.46 1.98 0.05 149.54 44.56 8.36 01:30:29 1.54 0.00 1.51 0.03 0.00 18.55 6.31 01:40:29 2.19 0.71 1.46 0.02 95.19 75.13 59.28 01:50:01 1.18 0.00 1.18 0.00 0.00 14.33 0.00 02:00:29 15.13 1.51 12.65 0.97 109.38 2241.61 182.57 Average: 7.25 3.17 3.86 0.22 72.03 499.50 53.00 01:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:33 6246692 7549336 263052 3.23 34400 1465680 527152 5.74 445560 1231208 168 01:30:29 6228344 7531576 280812 3.45 34620 1466012 529216 5.76 446712 1231760 172 01:40:29 6201868 7534764 276908 3.40 35088 1494824 529272 5.76 457524 1250412 180 01:50:01 6203096 7536440 275228 3.38 35240 1495112 529336 5.77 458248 1250852 244 02:00:29 5398964 7392904 378924 4.66 74928 2081932 635480 6.92 589672 1860504 3848 Average: 6055793 7509004 294985 3.63 42855 1600712 550091 5.99 479543 1364947 922 01:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:33 ens3 1.06 0.14 0.18 0.09 0.00 0.00 0.00 0.00 01:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:29 ens3 0.61 0.13 0.16 0.09 0.00 0.00 0.00 0.00 01:40:29 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:29 ens3 0.73 0.27 3.31 0.05 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 0.44 0.24 0.09 0.67 0.00 0.00 0.00 0.00 02:00:29 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:29 ens3 33.49 22.60 265.60 5.51 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 7.57 4.88 56.33 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37170) 08/13/26 _x86_64_ (2 CPU) 01:05:06 LINUX RESTART (2 CPU) 01:10:29 CPU %user %nice %system %iowait %steal %idle 01:20:33 all 0.25 0.17 0.16 0.13 0.04 99.24 01:20:33 0 0.45 0.16 0.13 0.10 0.03 99.12 01:20:33 1 0.06 0.19 0.18 0.16 0.04 99.37 01:30:29 all 0.31 0.00 0.17 0.01 0.04 99.47 01:30:29 0 0.27 0.00 0.17 0.00 0.05 99.51 01:30:29 1 0.34 0.00 0.16 0.02 0.04 99.44 01:40:29 all 0.37 0.00 0.11 0.03 0.04 99.46 01:40:29 0 0.38 0.00 0.11 0.03 0.04 99.45 01:40:29 1 0.35 0.00 0.11 0.03 0.04 99.47 01:50:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:01 0 0.43 0.00 0.05 0.00 0.02 99.50 01:50:01 1 0.07 0.00 0.09 0.02 0.05 99.77 02:00:29 all 5.87 0.00 0.98 0.30 0.04 92.80 02:00:29 0 6.27 0.00 0.93 0.17 0.03 92.59 02:00:29 1 5.47 0.00 1.03 0.43 0.05 93.01 Average: all 1.46 0.04 0.31 0.10 0.04 98.06 Average: 0 1.61 0.03 0.29 0.06 0.03 97.97 Average: 1 1.31 0.04 0.32 0.14 0.04 98.15