---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25716 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 8.0G 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 740 5141 4 2352 7201 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:97:1b:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78374sec preferred_lft 78374sec inet6 fe80::f816:3eff:fe97:1b77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25716) 06/08/26 _x86_64_ (2 CPU) 00:37:02 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.37 0.02 1.34 0.00 1.22 16.32 0.12 01:00:08 1.66 0.01 1.62 0.03 0.05 19.73 872.63 01:10:01 1.29 0.00 1.28 0.02 0.00 14.89 1.22 01:20:08 1.41 0.00 1.39 0.02 0.01 16.43 1.19 01:30:08 2.08 0.25 1.79 0.04 30.97 77.13 655.00 01:40:01 1.42 0.01 1.40 0.02 1.07 16.50 1.27 01:50:08 1.39 0.00 1.39 0.00 0.00 16.09 0.00 02:00:08 38.48 3.01 20.32 15.14 227.95 3553.61 110130.99 02:10:01 1.31 0.00 1.31 0.00 0.00 21.64 0.05 02:20:08 1.37 0.00 1.37 0.00 0.00 19.80 0.03 02:30:08 1.79 0.00 1.75 0.04 0.00 144.33 392.73 02:40:01 1.35 0.00 1.32 0.03 0.00 29.78 3.73 02:50:08 4.96 0.04 3.92 1.00 1.07 431.76 2114.67 Average: 4.60 0.26 3.09 1.26 20.16 336.82 8775.60 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 6285448 7536332 283816 3.49 30632 1425856 523916 5.71 446532 1187368 260 01:00:08 6285992 7537440 282756 3.48 30856 1426188 523980 5.71 446644 1187932 132 01:10:01 6285544 7537488 282696 3.48 31048 1426484 524124 5.71 446800 1188416 180 01:20:08 6288000 7540512 279664 3.44 31252 1426840 524196 5.71 447264 1188980 132 01:30:08 6245204 7524516 295112 3.63 31656 1452872 727876 7.93 461728 1206652 132 01:40:01 6244980 7525232 294332 3.62 31856 1453616 524292 5.71 456604 1207148 224 01:50:08 6244728 7525504 294060 3.62 32020 1453960 524292 5.71 456656 1207664 156 02:00:08 5182552 7390760 376148 4.63 87260 2281052 630948 6.87 591532 2044408 252 02:10:01 5157236 7367492 399416 4.91 87380 2282980 639484 6.97 591660 2046456 244 02:20:08 5157196 7368892 397988 4.89 87528 2284280 658188 7.17 611008 2047904 216 02:30:08 5125728 7374808 391900 4.82 87708 2321380 648372 7.06 599056 2085056 160 02:40:01 5075816 7329096 437524 5.38 87872 2325384 683452 7.44 634296 2089196 268 02:50:08 5263928 7367876 408136 5.02 89648 2182828 660280 7.19 645072 1948256 25048 Average: 5757104 7455842 340273 4.18 57440 1826440 599492 6.53 525758 1587341 2108 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 1.58 0.11 0.22 0.08 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.49 0.07 0.08 0.03 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 1.03 0.06 5.40 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.50 0.09 0.33 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.68 0.37 3.17 0.67 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 0.35 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:08 ens3 76.71 53.64 428.88 11.90 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 14.31 13.19 141.95 1.16 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 5.52 5.01 32.69 0.63 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 17.71 16.34 185.57 1.70 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 22.43 20.97 227.63 2.03 0.00 0.00 0.00 0.00 02:50:08 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 16.78 14.11 69.74 8.80 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 12.15 9.52 83.95 2.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25716) 06/08/26 _x86_64_ (2 CPU) 00:37:02 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.25 0.00 0.08 0.01 0.03 99.62 00:50:08 0 0.08 0.00 0.09 0.01 0.04 99.79 00:50:08 1 0.42 0.00 0.08 0.01 0.03 99.46 01:00:08 all 0.27 0.00 0.17 0.01 0.04 99.51 01:00:08 0 0.19 0.00 0.17 0.01 0.04 99.59 01:00:08 1 0.36 0.00 0.17 0.01 0.04 99.43 01:10:01 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:01 0 0.05 0.00 0.09 0.02 0.04 99.81 01:10:01 1 0.48 0.00 0.05 0.01 0.03 99.42 01:20:08 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:08 0 0.15 0.00 0.08 0.00 0.04 99.74 01:20:08 1 0.38 0.00 0.06 0.02 0.04 99.50 01:30:08 all 0.36 0.00 0.19 0.03 0.03 99.39 01:30:08 0 0.15 0.00 0.17 0.01 0.03 99.63 01:30:08 1 0.56 0.00 0.21 0.05 0.03 99.16 01:40:01 all 0.25 0.00 0.06 0.01 0.04 99.65 01:40:01 0 0.04 0.00 0.07 0.02 0.04 99.82 01:40:01 1 0.45 0.00 0.05 0.01 0.03 99.47 01:50:08 all 0.24 0.00 0.06 0.02 0.03 99.65 01:50:08 0 0.04 0.00 0.08 0.02 0.04 99.83 01:50:08 1 0.44 0.00 0.05 0.01 0.02 99.48 02:00:08 all 12.36 0.00 1.92 4.08 0.06 81.58 02:00:08 0 14.30 0.00 2.03 4.82 0.05 78.79 02:00:08 1 10.41 0.00 1.80 3.35 0.07 84.37 02:10:01 all 0.91 0.00 0.22 0.01 0.06 98.80 02:10:01 0 0.90 0.00 0.17 0.01 0.05 98.88 02:10:01 1 0.92 0.00 0.27 0.01 0.07 98.72 02:20:08 all 5.62 0.00 0.57 0.03 0.07 93.71 02:20:08 0 5.25 0.00 0.53 0.04 0.06 94.11 02:20:08 1 5.99 0.00 0.60 0.02 0.07 93.31 02:30:08 all 1.97 0.00 0.40 0.02 0.06 97.55 02:30:08 0 1.97 0.00 0.48 0.03 0.06 97.47 02:30:08 1 1.97 0.00 0.32 0.02 0.05 97.63 02:30:08 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 1.70 0.00 0.33 0.01 0.05 97.91 02:40:01 0 1.97 0.00 0.35 0.02 0.04 97.62 02:40:01 1 1.44 0.00 0.32 0.01 0.05 98.19 02:50:08 all 3.60 0.00 0.44 0.08 0.06 95.83 02:50:08 0 4.28 0.00 0.44 0.10 0.07 95.10 02:50:08 1 2.92 0.00 0.44 0.05 0.04 96.55 Average: all 2.15 0.00 0.35 0.33 0.05 97.12 Average: 0 2.25 0.00 0.36 0.39 0.05 96.94 Average: 1 2.05 0.00 0.34 0.27 0.04 97.29