---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33857 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 8.0G 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 782 5125 4 2334 7159 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:04:c5:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81506sec preferred_lft 81506sec inet6 fe80::f816:3eff:fe04:c556/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33857) 07/08/26 _x86_64_ (2 CPU) 00:35:45 LINUX RESTART (2 CPU) 00:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:16 1.96 0.28 1.67 0.01 32.21 77.09 0.29 01:00:16 15.89 13.55 2.26 0.08 152.22 47.68 233.08 01:10:16 1.32 0.00 1.30 0.02 0.00 15.68 1.20 01:20:16 1.41 0.00 1.38 0.02 0.01 17.48 1.09 01:30:16 1.56 0.00 1.53 0.03 0.00 18.55 1.43 01:40:08 1.37 0.00 1.35 0.02 0.00 16.03 1.11 01:50:16 2.76 1.29 1.45 0.03 94.09 106.87 1.43 Average: 3.76 2.16 1.56 0.03 39.98 42.95 34.23 00:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:16 6255296 7528544 291652 3.59 30780 1447812 728548 7.94 461352 1200860 140 01:00:16 6204088 7534852 276172 3.40 34992 1492744 529436 5.77 456956 1249088 180 01:10:16 6203584 7534912 276096 3.39 35216 1493072 529572 5.77 457092 1249640 184 01:20:16 6202084 7533988 277040 3.41 35460 1493400 529704 5.77 457584 1250212 168 01:30:16 6196300 7528928 282024 3.47 35696 1493856 529704 5.77 457504 1250776 176 01:40:08 6195040 7528196 282824 3.48 35896 1494180 530320 5.78 458484 1251300 188 01:50:16 5956084 7384300 421040 5.18 43384 1577040 653692 7.12 600252 1329128 37772 Average: 6173211 7510531 300978 3.70 35918 1498872 575854 6.27 478461 1254429 5544 00:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 1.65 0.49 3.33 0.09 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.45 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 0.38 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.44 0.07 0.12 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.56 0.23 0.15 0.66 0.00 0.00 0.00 0.00 01:50:16 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 ens3 18.17 9.53 49.87 3.97 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.16 1.52 7.77 0.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33857) 07/08/26 _x86_64_ (2 CPU) 00:35:45 LINUX RESTART (2 CPU) 00:40:16 CPU %user %nice %system %iowait %steal %idle 00:50:16 all 0.40 0.00 0.11 0.02 0.03 99.44 00:50:16 0 0.34 0.00 0.12 0.03 0.03 99.48 00:50:16 1 0.46 0.00 0.10 0.02 0.02 99.40 01:00:16 all 0.26 0.18 0.23 0.14 0.03 99.16 01:00:16 0 0.16 0.35 0.29 0.25 0.03 98.92 01:00:16 1 0.36 0.00 0.17 0.04 0.02 99.41 01:10:16 all 0.21 0.00 0.07 0.01 0.03 99.68 01:10:16 0 0.14 0.00 0.08 0.00 0.03 99.76 01:10:16 1 0.29 0.00 0.06 0.01 0.03 99.60 01:20:16 all 0.26 0.00 0.08 0.02 0.03 99.61 01:20:16 0 0.35 0.00 0.08 0.02 0.03 99.52 01:20:16 1 0.17 0.00 0.09 0.01 0.03 99.70 01:30:16 all 0.28 0.00 0.15 0.01 0.03 99.52 01:30:16 0 0.07 0.00 0.17 0.01 0.04 99.71 01:30:16 1 0.50 0.00 0.14 0.01 0.02 99.34 01:40:08 all 0.25 0.00 0.06 0.01 0.03 99.65 01:40:08 0 0.28 0.00 0.06 0.01 0.03 99.62 01:40:08 1 0.21 0.00 0.06 0.01 0.03 99.68 01:50:16 all 0.97 0.00 0.20 0.04 0.03 98.76 01:50:16 0 1.20 0.00 0.19 0.05 0.03 98.53 01:50:16 1 0.74 0.00 0.22 0.03 0.03 98.98 Average: all 0.38 0.03 0.13 0.04 0.03 99.40 Average: 0 0.36 0.05 0.14 0.05 0.03 99.36 Average: 1 0.39 0.00 0.12 0.02 0.03 99.44