---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12859 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 787 5254 4 2188 7153 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:9e:f5:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81549sec preferred_lft 81549sec inet6 fe80::f816:3eff:fe9e:f52e/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-12859) 05/12/26 _x86_64_ (2 CPU) 02:19:28 LINUX RESTART (2 CPU) 02:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.90 0.04 1.84 0.03 1.55 30.38 654.01 02:40:09 1.40 0.01 1.39 0.00 0.05 16.23 0.12 02:50:09 13.93 0.00 1.39 12.53 0.15 16.12 109179.53 03:00:09 1.55 0.00 1.54 0.01 0.00 18.39 436.15 03:10:09 1.38 0.00 1.38 0.00 0.00 16.12 0.00 03:20:09 1.88 0.26 1.62 0.01 32.04 74.20 0.23 03:30:09 1.54 0.00 1.52 0.02 0.00 18.39 1.11 03:40:09 29.81 3.11 22.78 3.92 234.42 3557.46 3933.67 Average: 6.66 0.43 4.18 2.06 33.46 467.52 14247.83 02:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6275712 7522460 297944 3.66 30532 1422108 534788 5.82 447884 1183104 148 02:40:09 6275712 7522984 297448 3.66 30704 1422448 534796 5.82 448148 1183624 132 02:50:09 6280152 7527968 292328 3.59 30864 1422816 535024 5.83 448248 1184124 152 03:00:09 6276124 7524456 295744 3.64 31044 1423144 535016 5.83 448356 1184632 132 03:10:09 6275872 7524712 295488 3.63 31212 1423472 536644 5.85 449812 1185132 180 03:20:09 6254440 7530340 289428 3.56 31548 1449852 535016 5.83 457816 1202640 196 03:30:09 6263024 7539480 280228 3.45 31748 1450176 535176 5.83 459640 1203164 220 03:40:09 5431344 7375308 405268 4.98 88284 2028212 648660 7.07 631100 1790560 28384 Average: 6166548 7508464 306734 3.77 38242 1505278 549390 5.98 473876 1264622 3693 02:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.59 0.18 0.38 0.11 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.51 0.05 0.09 0.03 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.46 0.06 2.23 0.03 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 0.50 0.08 0.73 0.05 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 0.34 0.21 3.11 0.03 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 0.41 0.20 0.12 0.59 0.00 0.00 0.00 0.00 03:40:09 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:40:09 ens3 66.76 43.86 312.02 14.40 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.82 5.57 39.76 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12859) 05/12/26 _x86_64_ (2 CPU) 02:19:28 LINUX RESTART (2 CPU) 02:20:00 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.36 0.00 0.32 0.02 0.02 99.28 02:30:01 0 0.31 0.00 0.32 0.02 0.02 99.34 02:30:01 1 0.42 0.00 0.31 0.02 0.02 99.23 02:40:09 all 0.29 0.00 0.10 0.01 0.02 99.58 02:40:09 0 0.38 0.00 0.09 0.01 0.02 99.50 02:40:09 1 0.19 0.00 0.11 0.01 0.03 99.67 02:50:09 all 0.26 0.00 0.09 0.03 0.03 99.59 02:50:09 0 0.42 0.00 0.06 0.01 0.02 99.49 02:50:09 1 0.10 0.00 0.12 0.05 0.03 99.69 03:00:09 all 0.29 0.00 0.17 0.19 0.03 99.32 03:00:09 0 0.23 0.00 0.16 0.01 0.04 99.57 03:00:09 1 0.35 0.00 0.18 0.36 0.03 99.08 03:10:09 all 0.30 0.00 0.09 0.01 0.03 99.57 03:10:09 0 0.20 0.00 0.09 0.01 0.03 99.68 03:10:09 1 0.40 0.00 0.10 0.02 0.03 99.46 03:20:09 all 0.36 0.00 0.11 0.05 0.04 99.45 03:20:09 0 0.52 0.00 0.09 0.05 0.03 99.31 03:20:09 1 0.21 0.00 0.12 0.04 0.04 99.59 03:30:09 all 0.30 0.00 0.15 0.01 0.03 99.51 03:30:09 0 0.40 0.00 0.14 0.01 0.03 99.43 03:30:09 1 0.20 0.00 0.16 0.01 0.04 99.59 03:40:09 all 17.44 0.00 2.36 2.59 0.18 77.44 03:40:09 0 16.71 0.00 2.23 2.99 0.19 77.88 03:40:09 1 18.16 0.00 2.48 2.18 0.17 77.00 Average: all 2.44 0.00 0.42 0.36 0.05 96.73 Average: 0 2.39 0.00 0.40 0.39 0.05 96.78 Average: 1 2.50 0.00 0.45 0.34 0.05 96.67