---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66084 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 771 5268 4 2190 7169 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:33:c4:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81667sec preferred_lft 81667sec inet6 fe80::f816:3eff:fe33:c4b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66084) 04/03/26 _x86_64_ (2 CPU) 00:43:08 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.51 0.01 1.48 0.02 0.05 18.26 877.75 01:10:01 1.91 0.32 1.56 0.03 40.06 73.15 1.44 01:20:05 13.90 0.00 1.42 12.48 0.16 16.91 108483.11 01:30:01 1.56 0.00 1.54 0.02 0.00 19.11 0.38 01:40:01 1.32 0.00 1.32 0.00 0.00 15.86 0.00 01:50:05 20.92 3.01 15.73 2.18 225.68 2585.46 859.11 02:00:01 3.47 0.02 3.40 0.06 1.19 592.04 1.60 Average: 6.40 0.48 3.80 2.13 38.43 476.89 15854.41 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6300952 7547532 273048 3.36 30640 1421820 518200 5.64 443856 1183248 124 01:10:01 6237088 7512696 307384 3.78 31028 1450096 518288 5.65 459540 1200536 240 01:20:05 6244648 7520800 299084 3.68 31208 1450468 518352 5.65 459896 1201052 220 01:30:01 6246968 7523660 296192 3.64 31388 1450792 518528 5.65 459892 1201556 252 01:40:01 6246968 7524292 295560 3.63 31552 1451248 518732 5.65 460284 1202056 124 01:50:05 5246440 7363312 408100 5.02 84988 2195820 626664 6.83 626716 1954696 167652 02:00:01 5287208 7402144 369560 4.54 85160 2194152 623904 6.80 599200 1953012 680 Average: 5972896 7484919 321275 3.95 46566 1659199 548953 5.98 501341 1413737 24185 00:50:05 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 0.70 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.01 0.30 3.21 0.11 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 0.66 0.18 0.21 0.13 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 0.30 0.05 0.07 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.64 0.27 0.18 0.78 0.00 0.00 0.00 0.00 01:50:05 lo 1.28 1.28 0.09 0.09 0.00 0.00 0.00 0.00 01:50:05 ens3 41.95 27.94 292.14 7.49 0.00 0.00 0.00 0.00 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 53.73 39.21 13.67 10.61 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.15 9.72 44.55 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66084) 04/03/26 _x86_64_ (2 CPU) 00:43:08 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.02 0.09 99.46 01:00:01 0 0.46 0.00 0.15 0.02 0.07 99.31 01:00:01 1 0.09 0.00 0.17 0.02 0.11 99.61 01:10:01 all 0.42 0.00 0.11 0.03 0.04 99.40 01:10:01 0 0.46 0.00 0.12 0.03 0.04 99.35 01:10:01 1 0.38 0.00 0.11 0.03 0.05 99.44 01:20:05 all 0.28 0.00 0.08 0.04 0.04 99.56 01:20:05 0 0.46 0.00 0.07 0.02 0.03 99.41 01:20:05 1 0.09 0.00 0.09 0.05 0.05 99.72 01:30:01 all 0.30 0.00 0.16 0.01 0.04 99.49 01:30:01 0 0.30 0.00 0.16 0.00 0.04 99.50 01:30:01 1 0.30 0.00 0.16 0.02 0.04 99.48 01:40:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:40:01 0 0.27 0.00 0.07 0.00 0.04 99.62 01:40:01 1 0.21 0.00 0.08 0.01 0.04 99.66 01:50:05 all 10.72 0.00 1.61 0.90 0.06 86.71 01:50:05 0 12.78 0.00 1.77 0.94 0.05 84.46 01:50:05 1 8.67 0.00 1.45 0.86 0.06 88.96 02:00:01 all 5.00 0.00 0.68 0.04 0.07 94.21 02:00:01 0 3.48 0.00 0.53 0.04 0.07 95.88 02:00:01 1 6.51 0.00 0.84 0.03 0.06 92.55 Average: all 2.47 0.00 0.41 0.15 0.05 96.92 Average: 0 2.61 0.00 0.41 0.15 0.05 96.78 Average: 1 2.33 0.00 0.41 0.15 0.06 97.06