---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15638 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 736 5307 4 2185 7205 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:ce:83:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81503sec preferred_lft 81503sec inet6 fe80::f816:3eff:fece:8351/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15638) 05/16/26 _x86_64_ (2 CPU) 00:41:00 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 13.92 0.03 1.68 12.21 2.28 19.75 106543.57 01:10:18 1.32 0.00 1.32 0.00 0.00 15.17 0.00 01:20:01 1.32 0.00 1.31 0.00 0.01 15.10 0.12 01:30:08 1.57 0.00 1.56 0.01 0.00 18.40 430.94 01:40:05 1.84 0.43 1.40 0.01 16.92 85.67 0.07 01:50:02 21.86 2.60 17.07 2.19 210.96 3083.52 984.09 02:00:18 1.66 0.00 1.62 0.04 0.00 26.05 1.54 Average: 6.23 0.43 3.69 2.11 32.58 461.95 15790.81 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6282836 7557180 262672 3.23 30956 1448656 530120 5.77 455408 1200760 132 01:10:18 6281840 7556684 263160 3.24 31132 1448988 530356 5.78 455664 1201260 208 01:20:01 6281336 7556648 263200 3.24 31292 1449280 530448 5.78 456252 1201720 124 01:30:08 6280168 7556028 263748 3.24 31468 1449648 530516 5.78 456252 1202256 192 01:40:05 6185660 7488504 330812 4.07 31964 1475728 550528 6.00 487812 1227196 632 01:50:02 5275568 7394976 376452 4.63 84928 2198372 634284 6.91 593172 1959204 184 02:00:18 5247472 7368968 402272 4.95 85096 2200300 698004 7.60 599232 1961296 232 Average: 5976411 7496998 308902 3.80 46691 1667282 572037 6.23 500542 1421956 243 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.58 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.31 0.05 0.07 0.03 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 0.59 0.12 0.19 0.10 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.33 0.11 0.07 0.52 0.00 0.00 0.00 0.00 01:40:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 12.94 6.89 41.10 2.95 0.00 0.00 0.00 0.00 01:50:02 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 55.75 37.63 276.21 8.63 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 12.92 11.62 104.47 1.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.87 8.05 60.22 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15638) 05/16/26 _x86_64_ (2 CPU) 00:41:00 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.32 0.00 0.19 0.03 0.03 99.43 01:00:18 0 0.11 0.00 0.20 0.05 0.03 99.60 01:00:18 1 0.52 0.00 0.18 0.01 0.02 99.26 01:10:18 all 0.29 0.00 0.08 0.01 0.03 99.59 01:10:18 0 0.23 0.00 0.08 0.01 0.03 99.66 01:10:18 1 0.35 0.00 0.09 0.01 0.03 99.52 01:20:01 all 0.27 0.00 0.07 0.01 0.04 99.62 01:20:01 0 0.05 0.00 0.09 0.00 0.04 99.81 01:20:01 1 0.48 0.00 0.05 0.02 0.03 99.42 01:30:08 all 0.29 0.00 0.15 0.01 0.03 99.52 01:30:08 0 0.38 0.00 0.13 0.00 0.02 99.46 01:30:08 1 0.19 0.00 0.16 0.02 0.04 99.58 01:40:05 all 0.66 0.00 0.12 0.02 0.04 99.16 01:40:05 0 0.79 0.00 0.13 0.02 0.02 99.05 01:40:05 1 0.54 0.00 0.11 0.02 0.05 99.28 01:50:02 all 10.61 0.00 1.61 0.61 0.06 87.10 01:50:02 0 11.43 0.00 1.76 0.48 0.08 86.25 01:50:02 1 9.80 0.00 1.46 0.74 0.05 87.95 02:00:18 all 0.87 0.00 0.30 0.01 0.06 98.76 02:00:18 0 1.08 0.00 0.30 0.02 0.06 98.54 02:00:18 1 0.66 0.00 0.30 0.01 0.05 98.98 Average: all 1.89 0.00 0.36 0.10 0.04 97.61 Average: 0 1.99 0.00 0.38 0.08 0.04 97.50 Average: 1 1.78 0.00 0.34 0.12 0.04 97.73