---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9780 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 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 745 5286 4 2198 7196 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:bf:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81797sec preferred_lft 81797sec inet6 fe80::f816:3eff:fe97:bfd8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9780) 04/30/26 _x86_64_ (2 CPU) 01:48:37 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 13.86 0.03 1.57 12.26 1.36 18.98 107172.14 02:10:21 1.38 0.01 1.37 0.00 0.05 16.05 0.12 02:20:00 1.84 0.26 1.57 0.01 32.12 75.49 0.18 02:30:22 1.75 0.00 1.71 0.04 1.02 20.25 631.71 02:40:22 1.38 0.00 1.36 0.01 0.00 15.85 1.08 02:50:00 1.38 0.00 1.36 0.02 0.00 16.01 1.39 03:00:25 22.77 2.90 17.72 2.16 218.74 3051.78 904.57 Average: 6.48 0.47 3.89 2.11 37.15 474.80 15799.89 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6295308 7546608 274220 3.37 30624 1426320 529104 5.76 447880 1187188 184 02:10:21 6294300 7546132 274684 3.38 30820 1426656 529160 5.76 447828 1187720 132 02:20:00 6247532 7525940 294328 3.62 31164 1452540 722980 7.87 462352 1205180 212 02:30:22 6269292 7548596 271664 3.34 31400 1453176 529304 5.77 457236 1205744 20 02:40:22 6274172 7554124 266132 3.27 31588 1453628 529304 5.77 457568 1206256 132 02:50:00 6273928 7554420 265828 3.27 31792 1453956 529392 5.77 457880 1206788 188 03:00:25 5282852 7409040 362608 4.46 85064 2205108 642400 7.00 595932 1965648 236 Average: 6133912 7526409 287066 3.53 38922 1553055 573092 6.24 475239 1309218 158 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.12 0.07 0.14 0.03 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.40 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.39 0.19 3.22 0.03 0.00 0.00 0.00 0.00 02:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:22 ens3 0.22 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.35 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.28 0.09 0.10 0.05 0.00 0.00 0.00 0.00 03:00:25 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:25 ens3 105.56 73.54 299.64 17.46 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 16.03 10.96 44.88 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9780) 04/30/26 _x86_64_ (2 CPU) 01:48:37 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.31 0.00 0.17 0.03 0.02 99.47 02:00:15 0 0.18 0.00 0.16 0.01 0.02 99.62 02:00:15 1 0.44 0.00 0.18 0.04 0.02 99.32 02:10:21 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:21 0 0.37 0.00 0.07 0.01 0.02 99.54 02:10:21 1 0.19 0.00 0.08 0.01 0.02 99.69 02:20:00 all 0.36 0.00 0.10 0.02 0.02 99.49 02:20:00 0 0.41 0.00 0.10 0.03 0.02 99.44 02:20:00 1 0.31 0.00 0.10 0.02 0.02 99.54 02:30:22 all 0.28 0.00 0.16 0.02 0.02 99.53 02:30:22 0 0.46 0.00 0.14 0.02 0.01 99.37 02:30:22 1 0.10 0.00 0.18 0.01 0.03 99.69 02:40:22 all 0.25 0.00 0.07 0.01 0.02 99.64 02:40:22 0 0.27 0.00 0.09 0.00 0.02 99.62 02:40:22 1 0.23 0.00 0.06 0.02 0.02 99.67 02:50:00 all 0.25 0.00 0.08 0.01 0.02 99.65 02:50:00 0 0.41 0.00 0.06 0.00 0.01 99.52 02:50:00 1 0.09 0.00 0.10 0.02 0.02 99.77 03:00:25 all 13.48 0.00 1.97 0.50 0.06 84.00 03:00:25 0 12.68 0.00 1.98 0.60 0.05 84.69 03:00:25 1 14.28 0.00 1.95 0.40 0.06 83.31 Average: all 2.24 0.00 0.39 0.09 0.03 97.26 Average: 0 2.17 0.00 0.38 0.10 0.02 97.33 Average: 1 2.31 0.00 0.39 0.08 0.03 97.20