---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12155 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 793 5167 4 2270 7148 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:6e:00:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80121sec preferred_lft 80121sec inet6 fe80::f816:3eff:fe6e:d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12155) 05/09/26 _x86_64_ (2 CPU) 01:58:03 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.45 0.03 1.43 0.00 1.25 16.75 0.12 02:20:11 1.46 0.01 1.45 0.00 0.07 16.83 0.12 02:30:12 2.14 0.25 1.86 0.02 30.91 76.91 652.27 02:40:01 1.35 0.00 1.33 0.02 0.00 15.79 1.22 02:50:08 1.34 0.00 1.33 0.02 0.00 16.14 1.19 03:00:00 1.95 0.41 1.51 0.03 16.05 50.47 663.67 03:10:01 21.62 2.61 16.79 2.22 211.74 3148.40 547.03 03:20:13 14.67 0.00 1.49 13.17 0.14 41.67 104728.31 03:30:14 1.60 0.00 1.58 0.02 0.35 47.40 0.28 03:40:01 1.35 0.00 1.35 0.00 0.00 66.05 0.00 Average: 4.93 0.33 3.02 1.58 26.11 350.66 10869.35 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6286168 7532816 287536 3.54 30688 1421620 533880 5.81 449288 1183244 148 02:20:11 6284204 7531424 288932 3.55 30888 1421992 533880 5.81 449464 1183808 220 02:30:12 6253204 7527120 292728 3.60 31260 1447932 728504 7.93 464004 1201364 120 02:40:01 6251216 7525624 294216 3.62 31452 1448224 728616 7.94 464380 1201848 268 02:50:08 6258552 7533536 286284 3.52 31656 1448592 728808 7.94 464512 1202420 184 03:00:00 6230436 7520608 298796 3.67 32008 1463368 745712 8.12 490184 1215884 248 03:10:01 5256864 7379784 391608 4.82 85208 2201620 860052 9.37 629556 1963316 276 03:20:13 5249132 7379336 391960 4.82 85328 2208776 869552 9.47 630980 1970556 156 03:30:14 5231576 7370612 400472 4.92 85488 2217436 870196 9.48 632860 1979256 328 03:40:01 5214252 7368148 402960 4.95 85640 2232148 873756 9.52 636004 1994116 764 Average: 5851560 7466901 333549 4.10 52962 1751171 747296 8.14 531123 1509581 271 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.73 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.67 0.03 7.96 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.51 0.26 3.16 0.06 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.44 0.09 0.27 0.06 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.33 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 12.73 6.60 20.46 3.32 0.00 0.00 0.00 0.00 03:10:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 65.70 46.04 286.44 9.40 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 22.97 20.17 4.30 2.45 0.00 0.00 0.00 0.00 03:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:14 ens3 23.12 20.83 16.33 3.12 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 29.54 28.08 5.71 3.95 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.67 12.22 34.57 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12155) 05/09/26 _x86_64_ (2 CPU) 01:58:03 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.07 0.01 0.02 99.62 02:10:01 0 0.46 0.00 0.06 0.01 0.02 99.46 02:10:01 1 0.08 0.00 0.09 0.01 0.03 99.79 02:20:11 all 0.26 0.00 0.07 0.01 0.02 99.64 02:20:11 0 0.45 0.00 0.06 0.01 0.01 99.47 02:20:11 1 0.07 0.00 0.09 0.01 0.02 99.81 02:30:12 all 0.42 0.00 0.19 0.02 0.02 99.36 02:30:12 0 0.51 0.00 0.16 0.01 0.01 99.30 02:30:12 1 0.32 0.00 0.22 0.03 0.02 99.41 02:40:01 all 0.28 0.00 0.07 0.05 0.02 99.58 02:40:01 0 0.48 0.00 0.06 0.09 0.01 99.35 02:40:01 1 0.07 0.00 0.09 0.01 0.02 99.81 02:50:08 all 0.26 0.00 0.08 0.01 0.02 99.64 02:50:08 0 0.44 0.00 0.07 0.01 0.01 99.47 02:50:08 1 0.08 0.00 0.10 0.01 0.02 99.80 03:00:00 all 0.57 0.00 0.20 0.02 0.02 99.19 03:00:00 0 0.45 0.00 0.21 0.02 0.02 99.30 03:00:00 1 0.70 0.00 0.19 0.02 0.01 99.08 03:10:01 all 13.51 0.00 1.96 0.63 0.06 83.84 03:10:01 0 12.07 0.00 1.80 0.78 0.06 85.28 03:10:01 1 14.95 0.00 2.13 0.47 0.06 82.39 03:20:13 all 3.44 0.00 0.32 0.03 0.05 96.16 03:20:13 0 2.98 0.00 0.31 0.05 0.05 96.61 03:20:13 1 3.90 0.00 0.33 0.01 0.05 95.72 03:30:14 all 3.86 0.00 0.46 0.01 0.06 95.61 03:30:14 0 5.10 0.00 0.52 0.01 0.06 94.31 03:30:14 1 2.63 0.00 0.40 0.02 0.05 96.90 03:40:01 all 4.85 0.00 0.38 0.01 0.05 94.70 03:40:01 0 4.98 0.00 0.40 0.01 0.06 94.56 03:40:01 1 4.72 0.00 0.37 0.02 0.05 94.85 Average: all 2.77 0.00 0.38 0.08 0.03 96.74 Average: 0 2.79 0.00 0.36 0.10 0.03 96.72 Average: 1 2.74 0.00 0.40 0.06 0.03 96.76