---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3679 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 775 5179 4 2280 7166 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:00:f6:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82126sec preferred_lft 82126sec inet6 fe80::f816:3eff:fe00:f600/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3679) 08/09/26 _x86_64_ (2 CPU) 01:46:02 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.12 0.03 1.52 13.57 1.42 18.69 111916.78 02:10:01 1.25 0.01 1.24 0.00 0.05 14.52 2.31 02:20:08 1.26 0.00 1.26 0.00 0.01 14.55 2.28 02:30:01 1.43 0.00 1.41 0.02 0.00 17.06 215.87 02:40:01 2.25 0.71 1.52 0.01 95.17 74.49 56.19 02:50:15 17.19 1.55 14.73 0.90 112.02 2179.36 210.37 Average: 6.42 0.39 3.66 2.37 35.20 394.60 18295.71 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6276408 7527352 293288 3.61 31020 1425604 528852 5.76 450240 1188308 240 02:10:01 6275736 7527192 293476 3.61 31192 1425936 528852 5.76 450192 1188812 252 02:20:08 6275736 7527720 292972 3.60 31360 1426292 529520 5.77 451276 1189336 168 02:30:01 6270464 7522928 297736 3.66 31532 1426588 529520 5.77 451368 1189804 240 02:40:01 6227304 7509484 310448 3.82 31980 1455460 530100 5.77 463472 1208368 260 02:50:15 5471120 7413688 366548 4.51 71664 2042168 621452 6.77 562616 1818096 42548 Average: 6132795 7504727 309078 3.80 38125 1533675 544716 5.93 471527 1297121 7285 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.72 0.08 0.10 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.54 0.04 3.51 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.30 0.07 0.08 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.63 0.04 1.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.73 4.40 7.32 3.35 0.00 0.00 0.00 0.00 02:50:15 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:15 ens3 38.49 25.53 272.19 9.99 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 8.05 5.12 48.40 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3679) 08/09/26 _x86_64_ (2 CPU) 01:46:02 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.18 0.03 0.04 99.48 02:00:01 0 0.44 0.00 0.17 0.00 0.03 99.36 02:00:01 1 0.09 0.00 0.19 0.06 0.05 99.61 02:10:01 all 0.24 0.00 0.08 0.01 0.04 99.63 02:10:01 0 0.11 0.00 0.10 0.01 0.04 99.74 02:10:01 1 0.38 0.00 0.06 0.01 0.03 99.52 02:20:08 all 0.29 0.00 0.07 0.01 0.04 99.58 02:20:08 0 0.06 0.00 0.10 0.01 0.05 99.77 02:20:08 1 0.52 0.00 0.05 0.00 0.03 99.40 02:30:01 all 0.24 0.00 0.17 0.02 0.04 99.53 02:30:01 0 0.08 0.00 0.19 0.03 0.04 99.66 02:30:01 1 0.40 0.00 0.16 0.00 0.03 99.41 02:40:01 all 0.49 0.00 0.13 0.03 0.03 99.32 02:40:01 0 0.63 0.00 0.16 0.05 0.03 99.13 02:40:01 1 0.35 0.00 0.10 0.01 0.04 99.50 02:50:15 all 6.30 0.00 0.96 0.44 0.04 92.26 02:50:15 0 3.53 0.00 0.75 0.57 0.03 95.12 02:50:15 1 9.06 0.00 1.18 0.31 0.04 89.41 Average: all 1.33 0.00 0.27 0.09 0.04 98.27 Average: 0 0.82 0.00 0.25 0.11 0.04 98.78 Average: 1 1.83 0.00 0.29 0.07 0.04 97.77