---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3751 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 786 5248 4 2196 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:b3:8e:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80437sec preferred_lft 80437sec inet6 fe80::f816:3eff:feb3:8e62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3751) 04/17/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.60 0.03 1.56 0.01 1.24 18.68 436.66 02:10:09 1.38 0.01 1.37 0.00 0.05 15.89 0.12 02:20:09 14.59 0.33 1.71 12.56 40.23 74.56 109181.65 02:30:01 1.52 0.00 1.50 0.03 0.00 17.75 442.68 02:40:09 1.36 0.00 1.34 0.02 0.00 16.33 1.20 02:50:01 1.27 0.00 1.26 0.02 0.00 15.11 0.99 03:00:01 13.60 1.78 10.83 0.99 118.19 2050.95 207.39 03:10:00 11.92 1.40 9.25 1.27 114.53 1149.18 1176.04 03:20:01 1.46 0.01 1.44 0.00 0.77 36.04 0.00 Average: 5.41 0.39 3.36 1.65 30.54 377.05 12383.86 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6297168 7544028 276512 3.40 30568 1421980 527944 5.75 443668 1183080 124 02:10:09 6297168 7544544 275992 3.39 30748 1422312 527944 5.75 443872 1183592 124 02:20:09 6259080 7535696 284316 3.50 31132 1450796 527944 5.75 455368 1201056 212 02:30:01 6259392 7536584 283388 3.48 31356 1451120 528108 5.75 455428 1201604 124 02:40:09 6263200 7540968 278996 3.43 31588 1451456 530140 5.77 458320 1202172 176 02:50:01 6278124 7556552 263404 3.24 31792 1451904 530296 5.78 459212 1202696 124 03:00:01 5495728 7342776 442172 5.44 69628 1952880 676632 7.37 631284 1724940 272 03:10:00 5305392 7417896 353808 4.35 85844 2190752 596836 6.50 582436 1949732 124 03:20:01 5261028 7379084 392600 4.83 85996 2196152 683000 7.44 634212 1955276 292 Average: 5968476 7488681 316799 3.90 47628 1665484 569872 6.21 507089 1422683 175 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.50 0.09 0.18 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.54 0.22 3.21 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.04 0.25 0.01 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 0.37 0.09 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.48 0.18 0.18 0.11 0.00 0.00 0.00 0.00 03:00:01 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 36.19 22.00 260.13 6.32 0.00 0.00 0.00 0.00 03:10:00 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:00 ens3 7.95 6.34 35.77 1.93 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 4.79 3.91 0.97 1.79 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 5.83 3.66 33.43 1.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3751) 04/17/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.24 0.00 0.16 0.02 0.04 99.55 02:00:01 0 0.08 0.00 0.18 0.03 0.05 99.67 02:00:01 1 0.40 0.00 0.13 0.02 0.03 99.42 02:10:09 all 0.22 0.00 0.08 0.01 0.04 99.65 02:10:09 0 0.24 0.00 0.09 0.00 0.04 99.63 02:10:09 1 0.21 0.00 0.07 0.02 0.03 99.67 02:20:09 all 0.36 0.00 0.11 0.07 0.04 99.42 02:20:09 0 0.35 0.00 0.11 0.06 0.04 99.44 02:20:09 1 0.38 0.00 0.12 0.07 0.04 99.40 02:30:01 all 0.24 0.00 0.16 0.03 0.04 99.53 02:30:01 0 0.25 0.00 0.15 0.05 0.03 99.51 02:30:01 1 0.24 0.00 0.17 0.01 0.04 99.54 02:40:09 all 0.30 0.00 0.07 0.10 0.04 99.49 02:40:09 0 0.17 0.00 0.09 0.01 0.04 99.69 02:40:09 1 0.42 0.00 0.06 0.20 0.03 99.29 02:50:01 all 0.24 0.00 0.08 0.04 0.03 99.61 02:50:01 0 0.32 0.00 0.07 0.02 0.03 99.57 02:50:01 1 0.17 0.00 0.09 0.05 0.04 99.65 03:00:01 all 5.74 0.00 0.98 0.55 0.04 92.69 03:00:01 0 6.22 0.00 1.13 0.35 0.03 92.28 03:00:01 1 5.26 0.00 0.83 0.76 0.04 93.11 03:10:00 all 5.57 0.00 0.83 4.62 0.03 88.94 03:10:00 0 5.81 0.00 0.79 5.17 0.03 88.20 03:10:00 1 5.33 0.00 0.87 4.08 0.04 89.68 03:20:01 all 2.33 0.00 0.20 0.09 0.04 97.34 03:20:01 0 2.15 0.00 0.17 0.06 0.03 97.58 03:20:01 1 2.50 0.00 0.23 0.13 0.05 97.10 Average: all 1.69 0.00 0.30 0.62 0.04 97.36 Average: 0 1.73 0.00 0.31 0.64 0.04 97.29 Average: 1 1.65 0.00 0.29 0.59 0.04 97.43