---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9482 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 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 786 5119 4 2332 7155 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:8f:f9:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81155sec preferred_lft 81155sec inet6 fe80::f816:3eff:fe8f:f9e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9482) 04/29/26 _x86_64_ (2 CPU) 00:40:14 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.39 0.01 1.36 0.02 0.06 17.44 677.16 01:10:05 14.22 0.25 1.48 12.49 30.92 73.37 108505.37 01:20:05 15.49 13.55 1.89 0.05 152.18 43.51 9.76 01:30:01 1.55 0.00 1.54 0.01 0.00 18.68 0.23 01:40:09 1.84 0.39 1.44 0.00 15.60 49.64 0.07 01:50:11 22.34 2.61 17.51 2.22 211.27 3149.36 611.74 02:00:01 1.57 0.00 1.55 0.02 0.35 70.20 0.39 Average: 8.40 2.42 3.84 2.14 59.05 492.28 15858.99 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6287992 7535088 285988 3.52 30712 1422084 530756 5.78 446708 1183524 272 01:10:05 6249140 7522924 297564 3.66 31104 1448028 733444 7.99 462856 1201064 220 01:20:05 6195516 7526736 284728 3.50 35256 1492964 531220 5.79 458628 1249228 240 01:30:01 6189764 7521540 289856 3.56 35440 1493292 531356 5.79 458628 1249748 240 01:40:09 6145248 7501480 309540 3.81 35760 1517112 592320 6.45 505040 1272240 9216 01:50:11 5218444 7397708 365132 4.49 88896 2246036 657312 7.16 598104 2010264 124 02:00:01 5197088 7391580 371156 4.56 89016 2261188 660104 7.19 600020 2025384 568 Average: 5926170 7485294 314852 3.87 49455 1697243 605216 6.59 504283 1455922 1554 00:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.56 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.70 0.25 3.13 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.50 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 12.33 6.33 38.61 3.27 0.00 0.00 0.00 0.00 01:50:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 67.18 51.26 266.18 10.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 50.22 45.81 10.78 6.05 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 18.85 14.83 45.94 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9482) 04/29/26 _x86_64_ (2 CPU) 00:40:14 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.17 0.01 0.03 99.52 01:00:01 0 0.41 0.00 0.15 0.01 0.03 99.40 01:00:01 1 0.13 0.00 0.18 0.01 0.04 99.63 01:10:05 all 0.36 0.00 0.11 0.04 0.03 99.46 01:10:05 0 0.61 0.00 0.11 0.06 0.02 99.20 01:10:05 1 0.11 0.00 0.10 0.02 0.04 99.73 01:20:05 all 0.27 0.18 0.14 0.14 0.04 99.23 01:20:05 0 0.13 0.09 0.12 0.09 0.05 99.52 01:20:05 1 0.41 0.27 0.15 0.18 0.04 98.95 01:30:01 all 0.25 0.00 0.18 0.01 0.04 99.52 01:30:01 0 0.12 0.00 0.18 0.01 0.04 99.66 01:30:01 1 0.39 0.00 0.18 0.02 0.04 99.38 01:40:09 all 0.61 0.00 0.10 0.02 0.03 99.24 01:40:09 0 0.41 0.00 0.12 0.01 0.04 99.41 01:40:09 1 0.80 0.00 0.09 0.02 0.03 99.06 01:50:11 all 13.05 0.00 1.72 0.50 0.07 84.66 01:50:11 0 14.42 0.00 1.93 0.50 0.08 83.07 01:50:11 1 11.68 0.00 1.52 0.50 0.06 86.24 02:00:01 all 6.18 0.00 0.63 0.01 0.06 93.12 02:00:01 0 5.49 0.00 0.58 0.02 0.05 93.86 02:00:01 1 6.87 0.00 0.67 0.01 0.06 92.38 Average: all 2.99 0.03 0.43 0.10 0.04 96.40 Average: 0 3.08 0.01 0.46 0.10 0.04 96.31 Average: 1 2.90 0.04 0.41 0.11 0.04 96.49