---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19505 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 800 5069 4 2364 7141 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:42:ef:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78828sec preferred_lft 78828sec inet6 fe80::f816:3eff:fe42:efeb/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-19505) 05/24/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.65 0.02 1.61 0.01 1.22 19.66 430.11 02:10:03 1.92 0.26 1.64 0.02 31.33 76.08 1.02 02:20:01 1.42 0.01 1.39 0.02 1.07 16.07 1.14 02:30:09 1.63 0.00 1.61 0.01 0.00 19.14 644.95 02:40:09 1.39 0.00 1.39 0.00 0.00 16.08 0.00 02:50:04 1.80 0.40 1.39 0.00 15.95 47.97 0.00 03:00:03 22.83 2.63 17.94 2.27 212.67 3355.79 499.48 03:10:09 1.43 0.00 1.42 0.01 0.00 22.75 0.08 03:20:09 15.11 0.00 1.64 13.47 0.15 130.23 106517.06 03:30:09 1.62 0.00 1.58 0.04 0.00 33.17 399.62 03:40:03 1.61 0.01 1.56 0.04 0.20 67.94 4.11 03:50:09 1.38 0.00 1.35 0.03 0.00 22.78 3.25 Average: 4.48 0.28 2.87 1.32 21.79 318.07 9032.35 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6283028 7533860 286628 3.52 30620 1425856 530048 5.77 446620 1187360 176 02:10:03 6229140 7506800 313200 3.85 31020 1451952 734328 8.00 461128 1205092 188 02:20:01 6243912 7522428 297620 3.66 31204 1452604 530288 5.78 456016 1205616 124 02:30:09 6253788 7532844 287176 3.53 31392 1452932 530212 5.78 456000 1206132 132 02:40:09 6261152 7540696 279316 3.43 31548 1453260 530236 5.78 456332 1206616 132 02:50:04 6235568 7530300 289340 3.56 31852 1468060 547952 5.97 482152 1220080 300 03:00:03 5152200 7349632 418100 5.14 86524 2271608 667864 7.27 631492 2034256 208 03:10:09 5158840 7358388 409356 5.03 86656 2273596 665300 7.25 620692 2036376 128 03:20:09 5096328 7330872 436796 5.37 86824 2308368 708308 7.71 662996 2071280 876 03:30:09 5102684 7340616 426908 5.25 86968 2311552 674776 7.35 629128 2074616 296 03:40:03 5059168 7312316 455052 5.60 87204 2326324 697600 7.60 652148 2089496 252 03:50:09 5035748 7291032 476324 5.86 87372 2328276 721952 7.86 676376 2091608 348 Average: 5675963 7429149 364651 4.48 59099 1877032 628239 6.84 552590 1635711 263 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.64 0.06 0.22 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.75 0.22 3.20 0.03 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 0.57 0.03 0.95 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.34 0.03 0.08 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.43 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 11.80 5.41 20.41 3.06 0.00 0.00 0.00 0.00 03:00:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 68.44 49.94 427.84 9.83 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 15.50 14.19 147.08 1.23 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 6.62 5.18 41.64 0.64 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 16.29 14.77 149.11 1.62 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 12.83 11.61 121.94 1.49 0.00 0.00 0.00 0.00 03:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:09 ens3 14.13 13.40 138.81 1.16 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 12.43 9.56 87.57 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19505) 05/24/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.28 0.00 0.18 0.01 0.03 99.49 02:00:09 0 0.24 0.00 0.18 0.01 0.03 99.53 02:00:09 1 0.32 0.00 0.18 0.01 0.03 99.45 02:10:03 all 0.36 0.00 0.11 0.02 0.04 99.47 02:10:03 0 0.45 0.00 0.07 0.02 0.03 99.43 02:10:03 1 0.26 0.00 0.15 0.03 0.05 99.51 02:20:01 all 0.25 0.00 0.08 0.01 0.04 99.62 02:20:01 0 0.44 0.00 0.06 0.02 0.03 99.46 02:20:01 1 0.06 0.00 0.10 0.01 0.04 99.79 02:30:09 all 0.24 0.00 0.17 0.01 0.04 99.54 02:30:09 0 0.33 0.00 0.16 0.02 0.03 99.45 02:30:09 1 0.16 0.00 0.18 0.00 0.04 99.62 02:40:09 all 0.25 0.00 0.07 0.01 0.04 99.63 02:40:09 0 0.05 0.00 0.08 0.02 0.04 99.82 02:40:09 1 0.45 0.00 0.06 0.01 0.04 99.45 02:50:04 all 0.54 0.00 0.09 0.02 0.04 99.31 02:50:04 0 0.36 0.00 0.10 0.03 0.04 99.48 02:50:04 1 0.72 0.00 0.09 0.01 0.03 99.15 03:00:03 all 11.61 0.00 1.86 0.54 0.07 85.93 03:00:03 0 11.02 0.00 1.73 0.54 0.07 86.63 03:00:03 1 12.19 0.00 1.98 0.53 0.07 85.23 03:10:09 all 0.93 0.00 0.23 0.01 0.07 98.77 03:10:09 0 0.71 0.00 0.15 0.01 0.06 99.07 03:10:09 1 1.15 0.00 0.30 0.01 0.07 98.48 03:20:09 all 8.26 0.00 0.71 0.03 0.07 90.93 03:20:09 0 3.90 0.00 0.40 0.01 0.07 95.61 03:20:09 1 12.58 0.00 1.01 0.06 0.07 86.28 03:30:09 all 1.46 0.00 0.33 0.01 0.07 98.13 03:30:09 0 0.77 0.00 0.24 0.01 0.05 98.94 03:30:09 1 2.16 0.00 0.43 0.01 0.09 97.31 03:40:03 all 2.83 0.00 0.47 0.01 0.07 96.62 03:40:03 0 2.68 0.00 0.43 0.02 0.05 96.82 03:40:03 1 2.98 0.00 0.50 0.00 0.09 96.42 03:40:03 CPU %user %nice %system %iowait %steal %idle 03:50:09 all 0.87 0.00 0.21 0.01 0.06 98.84 03:50:09 0 0.77 0.00 0.21 0.01 0.06 98.96 03:50:09 1 0.98 0.00 0.22 0.01 0.07 98.73 Average: all 2.31 0.00 0.37 0.06 0.05 97.20 Average: 0 1.80 0.00 0.32 0.06 0.05 97.78 Average: 1 2.82 0.00 0.43 0.06 0.06 96.63