---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-45984 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 7.9G 30G 21% / 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 745 5221 4 2268 7195 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:34:a4:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80783sec preferred_lft 80783sec inet6 fe80::f816:3eff:fe34:a4ce/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-45984) 08/30/26 _x86_64_ (2 CPU) 01:10:51 LINUX RESTART (2 CPU) 01:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:08 2.46 0.72 1.71 0.03 94.47 78.64 271.04 01:40:10 1.40 0.00 1.37 0.02 1.05 16.50 214.39 01:50:10 1.34 0.00 1.34 0.00 0.00 15.83 0.36 02:00:10 1.43 0.00 1.42 0.02 0.00 16.77 213.44 02:10:10 14.76 0.00 1.50 13.26 0.15 17.97 109559.97 02:20:08 1.26 0.00 1.26 0.00 0.00 14.56 0.00 02:30:10 1.45 0.00 1.43 0.01 0.00 17.32 212.83 02:40:10 17.70 1.60 14.98 1.13 115.35 2329.43 199.15 Average: 5.23 0.29 3.13 1.81 26.34 313.35 13834.21 01:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:08 6249000 7519872 299196 3.68 31352 1445472 727520 7.92 399716 1252360 200 01:40:10 6272228 7543964 275304 3.39 31576 1446116 531792 5.79 393908 1252916 208 01:50:10 6272228 7544448 274808 3.38 31740 1446440 532012 5.79 394248 1253396 208 02:00:10 6264620 7537484 281708 3.46 31900 1446892 532144 5.80 394468 1253888 208 02:10:10 6277328 7550748 268296 3.30 32072 1447264 532248 5.80 394480 1254408 176 02:20:08 6276612 7550516 268528 3.30 32224 1447596 532312 5.80 394592 1254888 160 02:30:10 6280952 7555356 263632 3.24 32392 1447924 532344 5.80 394676 1255380 156 02:40:10 5451776 7389120 390152 4.80 72620 2036704 632828 6.89 528240 1867664 14824 Average: 6168093 7523938 290203 3.57 36984 1520551 569150 6.20 411791 1330612 2018 01:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 1.24 0.40 12.89 0.12 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.58 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 0.85 0.31 0.19 0.83 0.00 0.00 0.00 0.00 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 0.50 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.37 0.05 0.07 0.03 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 0.45 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.59 0.13 0.16 0.09 0.00 0.00 0.00 0.00 02:40:10 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 02:40:10 ens3 41.74 29.71 282.14 13.50 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.79 3.86 36.97 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45984) 08/30/26 _x86_64_ (2 CPU) 01:10:51 LINUX RESTART (2 CPU) 01:20:10 CPU %user %nice %system %iowait %steal %idle 01:30:08 all 0.44 0.00 0.20 0.04 0.00 99.33 01:30:08 0 0.49 0.00 0.19 0.06 0.00 99.25 01:30:08 1 0.38 0.00 0.20 0.01 0.00 99.40 01:40:10 all 0.25 0.00 0.07 0.01 0.00 99.67 01:40:10 0 0.44 0.00 0.04 0.02 0.00 99.50 01:40:10 1 0.06 0.00 0.11 0.00 0.00 99.83 01:50:10 all 0.29 0.00 0.07 0.01 0.00 99.63 01:50:10 0 0.19 0.00 0.08 0.01 0.00 99.73 01:50:10 1 0.39 0.00 0.07 0.02 0.00 99.52 02:00:10 all 0.28 0.00 0.14 0.01 0.00 99.57 02:00:10 0 0.07 0.00 0.18 0.00 0.00 99.75 02:00:10 1 0.48 0.00 0.11 0.02 0.00 99.39 02:10:10 all 0.26 0.00 0.12 0.04 0.00 99.58 02:10:10 0 0.29 0.00 0.11 0.02 0.00 99.58 02:10:10 1 0.24 0.00 0.12 0.06 0.00 99.57 02:20:08 all 0.24 0.00 0.07 0.01 0.00 99.68 02:20:08 0 0.44 0.00 0.04 0.01 0.00 99.51 02:20:08 1 0.04 0.00 0.09 0.02 0.00 99.84 02:30:10 all 0.26 0.00 0.15 0.02 0.00 99.57 02:30:10 0 0.47 0.00 0.12 0.00 0.00 99.40 02:30:10 1 0.06 0.00 0.18 0.03 0.00 99.73 02:40:10 all 6.61 0.00 1.14 0.51 0.00 91.73 02:40:10 0 8.87 0.00 1.23 0.58 0.01 89.32 02:40:10 1 4.36 0.00 1.05 0.45 0.00 94.14 Average: all 1.08 0.00 0.24 0.08 0.00 98.59 Average: 0 1.41 0.00 0.25 0.09 0.00 98.26 Average: 1 0.75 0.00 0.24 0.08 0.00 98.93