---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3698 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: 5600.00 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 753 4969 4 2510 7188 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:11:e2:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79259sec preferred_lft 79259sec inet6 fe80::f816:3eff:fe11:e2d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3698) 04/17/26 _x86_64_ (2 CPU) 00:42:36 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.44 0.01 1.41 0.02 0.05 17.58 653.89 01:10:01 2.02 0.34 1.65 0.03 41.16 74.32 1.44 01:20:01 1.42 0.01 1.40 0.01 1.07 16.53 0.53 01:30:01 1.47 0.00 1.46 0.02 0.00 17.95 870.93 01:40:01 1.81 0.40 1.41 0.00 15.80 47.97 0.00 01:50:01 21.42 2.61 16.60 2.21 210.86 3076.28 516.69 02:00:01 1.44 0.00 1.43 0.02 0.00 18.41 0.52 02:10:01 1.33 0.00 1.32 0.00 0.00 146.22 0.35 02:20:01 15.10 0.00 1.64 13.47 0.15 339.72 106388.58 02:30:01 1.75 0.00 1.73 0.02 0.00 83.57 0.88 02:40:01 1.43 0.00 1.43 0.00 0.35 17.85 0.00 Average: 4.60 0.31 2.86 1.44 24.50 350.63 9859.56 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6298780 7544752 275680 3.39 30652 1421196 525464 5.72 438544 1183344 172 01:10:01 6240572 7516108 303660 3.73 31052 1449976 724868 7.90 456900 1200900 156 01:20:01 6241176 7517560 302300 3.72 31244 1450620 525616 5.72 452972 1201424 172 01:30:01 6243688 7520632 299168 3.68 31448 1450944 525744 5.73 452844 1201952 124 01:40:01 6212960 7505248 314316 3.86 31764 1465760 566752 6.17 498404 1215440 220 01:50:01 5099344 7209188 562548 6.92 85008 2189152 833148 9.07 794156 1948476 160 02:00:01 5049824 7160240 611424 7.52 85164 2189572 745376 8.12 705492 1949048 264 02:10:01 5072988 7223096 548512 6.74 85288 2229080 823184 8.97 767072 1988684 276 02:20:01 4891588 7139828 630040 7.75 85488 2325672 963244 10.49 856872 2085444 280 02:30:01 4844604 7112504 657112 8.08 85644 2344904 909080 9.90 853612 2104708 240 02:40:01 5138268 7415000 354476 4.36 85776 2353484 565680 6.16 552768 2113316 7992 Average: 5575799 7351287 441749 5.43 60775 1897305 700741 7.63 620876 1653885 914 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.73 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.73 0.27 3.17 0.07 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 0.50 0.14 0.17 0.10 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 0.28 0.04 0.07 0.03 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 11.15 6.06 23.94 3.42 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 86.31 66.22 744.79 10.39 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 36.15 33.85 560.02 2.24 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 72.59 67.42 1210.59 4.43 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 25.56 23.47 421.70 1.57 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 23.42 22.67 382.22 1.51 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 17.21 15.46 263.30 1.13 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 24.97 21.43 328.20 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3698) 04/17/26 _x86_64_ (2 CPU) 00:42:36 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.32 0.00 0.17 0.01 0.04 99.47 01:00:01 0 0.20 0.00 0.19 0.01 0.04 99.55 01:00:01 1 0.44 0.00 0.14 0.01 0.03 99.38 01:10:01 all 0.39 0.00 0.12 0.02 0.04 99.43 01:10:01 0 0.45 0.00 0.09 0.01 0.03 99.42 01:10:01 1 0.32 0.00 0.14 0.04 0.04 99.45 01:20:01 all 0.28 0.00 0.07 0.02 0.04 99.60 01:20:01 0 0.09 0.00 0.09 0.01 0.05 99.77 01:20:01 1 0.46 0.00 0.05 0.03 0.04 99.43 01:30:01 all 0.24 0.00 0.17 0.01 0.04 99.54 01:30:01 0 0.13 0.00 0.18 0.01 0.03 99.64 01:30:01 1 0.35 0.00 0.16 0.01 0.04 99.44 01:40:01 all 0.49 0.00 0.10 0.02 0.04 99.35 01:40:01 0 0.69 0.00 0.07 0.01 0.03 99.20 01:40:01 1 0.28 0.00 0.14 0.02 0.04 99.51 01:50:01 all 10.80 0.00 1.74 0.53 0.07 86.86 01:50:01 0 6.43 0.00 1.34 0.40 0.06 91.78 01:50:01 1 15.18 0.00 2.15 0.66 0.09 81.92 02:00:01 all 0.68 0.00 0.37 0.01 0.08 98.86 02:00:01 0 0.59 0.00 0.22 0.01 0.05 99.13 02:00:01 1 0.76 0.00 0.53 0.01 0.11 98.59 02:10:01 all 1.02 0.00 0.55 0.01 0.08 98.33 02:10:01 0 0.95 0.00 0.56 0.02 0.09 98.39 02:10:01 1 1.10 0.00 0.55 0.01 0.08 98.27 02:20:01 all 0.76 0.00 0.22 0.04 0.08 98.89 02:20:01 0 0.96 0.00 0.30 0.06 0.10 98.58 02:20:01 1 0.57 0.00 0.14 0.02 0.06 99.21 02:30:01 all 0.64 0.00 0.34 0.96 0.08 97.97 02:30:01 0 0.55 0.00 0.21 0.01 0.06 99.18 02:30:01 1 0.74 0.00 0.48 1.92 0.10 96.76 02:40:01 all 1.10 0.00 0.23 0.01 0.07 98.58 02:40:01 0 0.46 0.00 0.27 0.02 0.10 99.15 02:40:01 1 1.74 0.00 0.20 0.00 0.05 98.01 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.52 0.00 0.37 0.15 0.06 97.90 Average: 0 1.05 0.00 0.32 0.05 0.06 98.53 Average: 1 1.99 0.00 0.42 0.25 0.06 97.27