---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38843 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 8.2G 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 790 4943 4 2509 7151 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:21:12:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79215sec preferred_lft 79215sec inet6 fe80::f816:3eff:fe21:1277/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38843) 07/26/26 _x86_64_ (2 CPU) 00:17:46 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 17.02 1.88 13.31 1.84 158.31 2594.79 724.27 00:40:01 1.34 0.01 1.31 0.02 1.11 26.69 1.44 00:50:01 1.22 0.00 1.21 0.01 0.00 17.19 0.96 01:00:01 1.50 0.00 1.48 0.02 0.00 22.03 0.65 01:10:01 1.26 0.00 1.26 0.00 0.00 18.09 0.00 01:20:01 1.33 0.00 1.33 0.00 0.01 20.49 0.00 01:30:01 1.58 0.00 1.57 0.02 0.00 23.83 0.65 01:40:01 14.86 0.00 1.35 13.50 0.15 21.99 106418.26 01:50:01 1.36 0.00 1.35 0.00 0.00 19.93 0.03 02:00:01 1.62 0.00 1.59 0.03 0.00 23.61 1.13 02:10:01 1.33 0.00 1.33 0.00 0.00 18.83 0.00 Average: 4.04 0.17 2.47 1.40 14.54 255.72 9739.26 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5163708 7383212 383344 4.71 87100 2292072 806364 8.78 588772 2055756 2096 00:40:01 5179148 7400444 366000 4.50 87296 2293688 609404 6.64 586796 2057248 196 00:50:01 5179148 7401684 364776 4.49 87448 2294768 610732 6.65 588776 2058488 292 01:00:01 5168416 7392376 374056 4.60 87616 2296004 611764 6.66 589092 2059900 140 01:10:01 5168164 7393540 372880 4.59 87740 2297300 611828 6.66 589272 2061312 300 01:20:01 5166148 7393496 372908 4.59 87880 2299140 612040 6.67 589988 2063156 172 01:30:01 5163896 7392940 373464 4.59 87976 2300728 612220 6.67 590188 2064848 240 01:40:01 5163896 7395296 370980 4.56 88124 2302928 613192 6.68 590876 2067160 196 01:50:01 5166196 7399004 367116 4.51 88260 2304188 668396 7.28 596224 2068568 124 02:00:01 5159660 7393996 372280 4.58 88404 2305560 613388 6.68 591144 2070088 152 02:10:01 5159660 7395548 370708 4.56 88540 2306960 613388 6.68 591284 2071496 304 Average: 5167095 7394685 371683 4.57 87853 2299394 634792 6.91 590219 2063456 383 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 18.03 11.06 154.01 2.45 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 1.31 0.23 0.30 0.09 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.31 0.13 0.20 0.07 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.09 0.15 0.20 0.09 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.78 0.15 0.14 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.12 0.24 0.29 0.16 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 3.32 0.25 0.61 0.21 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.92 0.16 0.16 0.08 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 0.54 0.16 0.12 0.06 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.68 0.28 0.14 0.09 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 0.39 0.19 0.07 0.06 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 2.68 1.18 14.23 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38843) 07/26/26 _x86_64_ (2 CPU) 00:17:46 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 7.85 0.00 1.25 0.61 0.04 90.25 00:30:01 0 5.96 0.00 1.20 0.88 0.04 91.92 00:30:01 1 9.74 0.00 1.30 0.34 0.05 88.58 00:40:01 all 0.66 0.00 0.14 0.02 0.05 99.13 00:40:01 0 0.61 0.00 0.14 0.02 0.05 99.18 00:40:01 1 0.70 0.00 0.14 0.02 0.05 99.09 00:50:01 all 0.59 0.00 0.13 0.02 0.04 99.21 00:50:01 0 0.56 0.00 0.12 0.01 0.04 99.27 00:50:01 1 0.62 0.00 0.15 0.04 0.05 99.15 01:00:01 all 0.67 0.00 0.24 0.01 0.04 99.04 01:00:01 0 0.69 0.00 0.29 0.01 0.05 98.96 01:00:01 1 0.64 0.00 0.18 0.01 0.03 99.13 01:10:01 all 0.61 0.00 0.12 0.04 0.04 99.19 01:10:01 0 0.51 0.00 0.08 0.06 0.02 99.32 01:10:01 1 0.71 0.00 0.16 0.02 0.05 99.06 01:20:01 all 0.71 0.00 0.12 0.02 0.04 99.11 01:20:01 0 0.70 0.00 0.09 0.02 0.03 99.17 01:20:01 1 0.72 0.00 0.15 0.03 0.05 99.06 01:30:01 all 0.69 0.00 0.23 0.04 0.04 99.00 01:30:01 0 0.75 0.00 0.21 0.05 0.04 98.96 01:30:01 1 0.64 0.00 0.24 0.03 0.05 99.04 01:40:01 all 0.75 0.00 0.14 0.03 0.04 99.05 01:40:01 0 0.73 0.00 0.10 0.01 0.03 99.13 01:40:01 1 0.77 0.00 0.17 0.06 0.05 98.96 01:50:01 all 0.65 0.00 0.13 0.01 0.04 99.18 01:50:01 0 0.65 0.00 0.12 0.01 0.04 99.18 01:50:01 1 0.64 0.00 0.14 0.01 0.04 99.17 02:00:01 all 0.70 0.00 0.21 0.01 0.04 99.03 02:00:01 0 0.67 0.00 0.15 0.02 0.03 99.13 02:00:01 1 0.72 0.00 0.27 0.01 0.06 98.94 02:10:01 all 0.59 0.00 0.13 0.01 0.04 99.23 02:10:01 0 0.48 0.00 0.10 0.01 0.03 99.38 02:10:01 1 0.70 0.00 0.16 0.01 0.06 99.07 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.32 0.00 0.26 0.08 0.04 98.31 Average: 0 1.12 0.00 0.24 0.10 0.04 98.51 Average: 1 1.51 0.00 0.28 0.05 0.05 98.11