---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66139 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 747 5303 4 2179 7194 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:06:e9:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81247sec preferred_lft 81247sec inet6 fe80::f816:3eff:fe06:e90d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66139) 04/03/26 _x86_64_ (2 CPU) 01:53:26 LINUX RESTART (2 CPU) 02:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 1.46 0.01 1.45 0.00 0.05 16.98 0.24 02:20:15 1.36 0.00 1.36 0.00 0.01 15.62 0.00 02:30:15 2.22 0.32 1.87 0.04 40.08 75.91 436.63 02:40:15 13.97 0.00 1.41 12.56 0.15 16.55 109049.57 02:50:09 1.42 0.00 1.40 0.02 0.00 16.57 1.10 03:00:16 22.36 3.00 17.16 2.20 225.33 3001.68 1307.14 03:10:17 1.62 0.01 1.59 0.03 0.57 126.62 2.51 Average: 6.38 0.48 3.77 2.12 38.35 471.50 15833.06 02:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6285096 7531172 289256 3.56 30664 1421308 520628 5.67 444020 1183332 164 02:20:15 6298240 7544828 275608 3.39 30828 1421640 520892 5.67 444160 1183832 124 02:30:15 6238080 7513752 306120 3.76 31220 1449916 520944 5.67 455680 1201124 132 02:40:15 6237856 7514120 305572 3.76 31428 1450288 520964 5.67 455852 1201676 168 02:50:09 6237856 7514788 304864 3.75 31636 1450740 521120 5.68 456440 1202208 132 03:00:16 5353628 7461020 310584 3.82 85100 2186600 555788 6.05 545332 1945976 25684 03:10:17 5256560 7366264 405388 4.98 85228 2188920 635564 6.92 591048 1948424 124 Average: 5986759 7492278 313913 3.86 46586 1652773 542271 5.91 484647 1409510 3790 02:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.47 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.27 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.46 0.20 3.05 0.03 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.36 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.48 0.14 0.17 0.11 0.00 0.00 0.00 0.00 03:00:16 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 03:00:16 ens3 54.98 40.19 294.13 11.22 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 12.51 8.64 25.64 1.30 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.01 7.10 46.60 1.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66139) 04/03/26 _x86_64_ (2 CPU) 01:53:26 LINUX RESTART (2 CPU) 02:00:15 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.25 0.00 0.07 0.01 0.04 99.62 02:10:16 0 0.44 0.00 0.05 0.02 0.03 99.46 02:10:16 1 0.06 0.00 0.10 0.00 0.06 99.78 02:20:15 all 0.26 0.00 0.07 0.01 0.04 99.62 02:20:15 0 0.47 0.00 0.05 0.02 0.03 99.44 02:20:15 1 0.05 0.00 0.09 0.01 0.05 99.80 02:30:15 all 0.37 0.00 0.19 0.03 0.04 99.38 02:30:15 0 0.65 0.00 0.19 0.03 0.03 99.11 02:30:15 1 0.10 0.00 0.19 0.02 0.05 99.64 02:40:15 all 0.23 0.00 0.09 0.04 0.04 99.61 02:40:15 0 0.39 0.00 0.08 0.05 0.02 99.46 02:40:15 1 0.06 0.00 0.10 0.03 0.05 99.76 02:50:09 all 0.27 0.00 0.07 0.01 0.04 99.61 02:50:09 0 0.13 0.00 0.08 0.01 0.04 99.74 02:50:09 1 0.41 0.00 0.06 0.01 0.03 99.48 03:00:16 all 10.56 0.00 1.69 0.51 0.05 87.19 03:00:16 0 9.69 0.00 1.63 0.47 0.05 88.16 03:00:16 1 11.42 0.00 1.75 0.56 0.05 86.22 03:10:17 all 0.95 0.00 0.21 0.02 0.06 98.76 03:10:17 0 0.97 0.00 0.22 0.02 0.06 98.74 03:10:17 1 0.94 0.00 0.21 0.02 0.06 98.78 Average: all 1.86 0.00 0.34 0.09 0.04 97.67 Average: 0 1.83 0.00 0.33 0.09 0.04 97.71 Average: 1 1.88 0.00 0.36 0.09 0.05 97.62