---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38028 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 783 5091 4 2359 7157 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:cb:d1:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81891sec preferred_lft 81891sec inet6 fe80::f816:3eff:fecb:d1f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38028) 08/16/26 _x86_64_ (2 CPU) 00:40:22 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 27.68 2.91 22.30 2.47 229.85 3706.39 918.52 01:10:07 1.48 0.00 1.46 0.02 0.00 30.75 1.60 01:20:15 16.38 0.71 1.67 14.00 94.09 81.20 105059.12 01:30:01 1.61 0.00 1.58 0.03 0.00 138.00 406.70 01:40:06 1.38 0.00 1.35 0.02 0.00 33.60 1.67 01:50:17 1.43 0.00 1.41 0.02 0.00 22.29 1.69 Average: 8.25 0.59 4.88 2.78 53.26 653.47 17951.17 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5212636 7394020 374088 4.60 87656 2253948 676056 7.36 603292 2028156 1516 01:10:07 5118204 7301816 466328 5.73 87832 2256080 735724 8.01 655152 2030464 152 01:20:15 5145144 7359704 407948 5.02 88248 2286488 704856 7.68 635948 2050632 180 01:30:01 5098812 7348920 418212 5.14 88396 2321516 689860 7.51 620388 2085728 296 01:40:06 5011312 7267264 499800 6.15 88572 2327096 761120 8.29 692604 2091372 176 01:50:17 5042548 7300604 466428 5.74 88700 2329040 727664 7.93 658992 2093444 124 Average: 5104776 7328721 438801 5.40 88234 2295695 715880 7.80 644396 2063299 407 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 58.43 40.82 327.82 11.38 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 21.33 17.67 221.67 1.84 0.00 0.00 0.00 0.00 01:20:15 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 9.72 8.66 63.77 0.96 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 14.22 13.06 160.61 1.28 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 18.60 16.70 141.21 2.04 0.00 0.00 0.00 0.00 01:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:17 ens3 15.85 13.22 137.71 1.15 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 22.86 18.25 174.59 3.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38028) 08/16/26 _x86_64_ (2 CPU) 00:40:22 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 13.12 0.00 2.10 3.08 0.22 81.48 01:00:01 0 11.70 0.00 2.02 2.64 0.28 83.35 01:00:01 1 14.54 0.00 2.18 3.52 0.17 79.60 01:10:07 all 1.04 0.00 0.29 0.03 0.06 98.58 01:10:07 0 1.09 0.00 0.24 0.05 0.06 98.56 01:10:07 1 0.99 0.00 0.33 0.01 0.06 98.60 01:20:15 all 1.59 0.00 0.39 0.13 0.06 97.84 01:20:15 0 2.58 0.00 0.57 0.23 0.09 96.54 01:20:15 1 0.64 0.00 0.21 0.03 0.04 99.07 01:30:01 all 1.94 0.00 0.55 0.06 0.06 97.39 01:30:01 0 1.62 0.00 0.50 0.02 0.06 97.81 01:30:01 1 2.25 0.00 0.61 0.10 0.06 96.98 01:40:06 all 1.87 0.00 0.33 0.03 0.06 97.71 01:40:06 0 1.40 0.00 0.22 0.03 0.04 98.30 01:40:06 1 2.33 0.00 0.44 0.03 0.07 97.13 01:50:17 all 0.86 0.00 0.23 0.04 0.06 98.82 01:50:17 0 0.75 0.00 0.15 0.06 0.03 99.01 01:50:17 1 0.97 0.00 0.31 0.01 0.08 98.62 Average: all 3.37 0.00 0.64 0.56 0.09 95.34 Average: 0 3.17 0.00 0.61 0.50 0.09 95.62 Average: 1 3.58 0.00 0.67 0.61 0.08 95.06