---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2690 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 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 778 5276 4 2175 7163 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:5f:52:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81062sec preferred_lft 81062sec inet6 fe80::f816:3eff:fe5f:52fb/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-2690) 04/14/26 _x86_64_ (2 CPU) 05:08:20 LINUX RESTART (2 CPU) 05:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:04 1.35 0.03 1.32 0.01 1.25 15.86 0.60 05:30:05 1.42 0.01 1.38 0.03 0.05 17.79 870.86 05:40:01 1.16 0.00 1.14 0.02 0.00 14.19 1.33 05:50:05 1.23 0.00 1.21 0.02 0.00 14.52 1.19 06:00:06 2.13 0.31 1.77 0.05 38.96 76.61 1.65 06:10:06 1.35 0.01 1.32 0.02 1.05 15.97 1.25 06:20:06 22.00 3.02 16.76 2.22 228.24 3140.44 780.91 06:30:06 15.09 0.02 1.63 13.44 0.24 21.61 106801.08 Average: 5.71 0.42 3.31 1.97 33.70 414.23 13543.49 05:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:04 6284832 7531560 289096 3.55 30576 1421836 539404 5.88 450320 1183208 176 05:30:05 6273520 7520820 299732 3.69 30792 1422168 539532 5.88 450524 1183756 176 05:40:01 6281108 7528928 291604 3.59 30996 1422492 539668 5.88 450572 1184272 148 05:50:05 6280632 7528980 291556 3.59 31180 1422816 539668 5.88 450884 1184792 188 06:00:06 6226164 7503400 316456 3.89 31612 1450880 746616 8.13 467880 1202224 192 06:10:06 6249676 7527892 292068 3.59 31816 1451644 539732 5.88 462508 1202752 204 06:20:06 5305956 7416276 355476 4.37 85228 2189204 636332 6.93 596980 1948168 196 06:30:06 5289348 7400248 371312 4.57 85380 2189632 699796 7.62 602304 1948716 192 Average: 6023904 7494763 313412 3.85 44698 1621334 597594 6.51 491496 1379736 184 05:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:04 ens3 1.05 0.08 0.13 0.04 0.00 0.00 0.00 0.00 05:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:05 ens3 0.57 0.09 0.13 0.07 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 0.47 0.05 0.93 0.03 0.00 0.00 0.00 0.00 05:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:05 ens3 0.43 0.04 0.96 0.01 0.00 0.00 0.00 0.00 06:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:00:06 ens3 0.47 0.25 3.09 0.05 0.00 0.00 0.00 0.00 06:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:06 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 06:20:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:20:06 ens3 58.90 39.89 298.29 10.63 0.00 0.00 0.00 0.00 06:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:06 ens3 1.96 0.28 0.25 0.06 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 8.00 5.09 37.94 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2690) 04/14/26 _x86_64_ (2 CPU) 05:08:20 LINUX RESTART (2 CPU) 05:10:01 CPU %user %nice %system %iowait %steal %idle 05:20:04 all 0.28 0.00 0.08 0.01 0.03 99.59 05:20:04 0 0.26 0.00 0.07 0.02 0.03 99.61 05:20:04 1 0.30 0.00 0.08 0.01 0.03 99.57 05:30:05 all 0.25 0.00 0.16 0.01 0.04 99.54 05:30:05 0 0.07 0.00 0.17 0.02 0.04 99.70 05:30:05 1 0.43 0.00 0.15 0.00 0.03 99.39 05:40:01 all 0.27 0.00 0.07 0.01 0.03 99.62 05:40:01 0 0.37 0.00 0.05 0.01 0.02 99.55 05:40:01 1 0.16 0.00 0.09 0.01 0.04 99.69 05:50:05 all 0.26 0.00 0.08 0.01 0.02 99.63 05:50:05 0 0.06 0.00 0.09 0.00 0.03 99.82 05:50:05 1 0.46 0.00 0.06 0.01 0.02 99.44 06:00:06 all 0.41 0.00 0.19 0.02 0.03 99.35 06:00:06 0 0.23 0.00 0.22 0.01 0.03 99.50 06:00:06 1 0.59 0.00 0.16 0.03 0.02 99.20 06:10:06 all 0.26 0.00 0.07 0.01 0.03 99.63 06:10:06 0 0.20 0.00 0.08 0.01 0.03 99.68 06:10:06 1 0.32 0.00 0.06 0.01 0.03 99.58 06:20:06 all 11.07 0.00 1.68 0.53 0.06 86.66 06:20:06 0 7.53 0.00 1.34 0.45 0.06 90.62 06:20:06 1 14.61 0.00 2.02 0.60 0.06 82.70 06:30:06 all 0.38 0.00 0.25 0.03 0.05 99.29 06:30:06 0 0.44 0.00 0.25 0.05 0.04 99.22 06:30:06 1 0.32 0.00 0.25 0.01 0.06 99.36 Average: all 1.64 0.00 0.32 0.08 0.04 97.92 Average: 0 1.14 0.00 0.28 0.07 0.04 98.47 Average: 1 2.15 0.00 0.36 0.09 0.04 97.37