---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66141 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 774 5171 4 2284 7167 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:e5:db:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78725sec preferred_lft 78725sec inet6 fe80::f816:3eff:fee5:db68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66141) 04/03/26 _x86_64_ (2 CPU) 01:53:25 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.38 0.01 1.36 0.01 0.11 16.07 0.36 02:20:02 1.86 0.32 1.51 0.03 39.94 72.60 1.45 02:30:02 1.56 0.00 1.54 0.02 0.00 19.07 653.77 02:40:01 1.29 0.00 1.29 0.00 0.00 15.58 0.00 02:50:02 1.33 0.00 1.33 0.00 0.00 16.02 0.00 03:00:02 22.07 3.01 16.84 2.21 227.72 3082.52 812.43 03:10:01 15.09 0.01 1.61 13.48 0.72 74.96 107063.61 03:20:02 1.32 0.00 1.32 0.00 0.00 21.74 0.05 03:30:02 1.72 0.00 1.69 0.03 0.00 137.65 396.36 03:40:02 1.32 0.01 1.31 0.00 0.20 41.97 0.31 03:50:02 1.28 0.00 1.27 0.01 0.00 48.32 0.41 04:00:02 2.37 0.04 1.94 0.39 1.43 62.44 2472.24 Average: 4.38 0.28 2.75 1.34 22.52 300.75 9260.84 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6287828 7539464 281032 3.46 30736 1426520 529656 5.77 445640 1187484 272 02:20:02 6251856 7532536 287428 3.53 31116 1454800 529672 5.77 457080 1204780 212 02:30:02 6256412 7537648 282240 3.47 31324 1455128 529824 5.77 457224 1205316 184 02:40:01 6256412 7538132 281752 3.46 31476 1455452 529820 5.77 457504 1205792 240 02:50:02 6264048 7546400 273476 3.36 31648 1455908 529884 5.77 457872 1206292 216 03:00:02 5355124 7468040 303672 3.73 85172 2191780 556892 6.07 548396 1950136 9316 03:10:01 5262620 7378312 393400 4.84 85324 2194476 638652 6.96 596092 1952952 288 03:20:02 5270996 7388608 383136 4.71 85412 2196308 658588 7.17 615504 1954872 240 03:30:02 5128088 7280872 490740 6.03 85592 2231248 693788 7.56 650600 1989984 520 03:40:02 5221092 7382936 388584 4.78 85748 2240040 655940 7.14 613088 1998804 1252 03:50:02 5149180 7320248 451164 5.55 85888 2248988 695200 7.57 652428 2007900 216 04:00:02 5328936 7367732 412748 5.08 86608 2124184 641688 6.99 648536 1883552 63888 Average: 5669383 7440077 352448 4.33 63004 1889569 599134 6.53 549997 1645655 6404 02:00:02 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 0.47 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.51 0.21 3.05 0.03 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.26 0.03 0.05 0.01 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 0.35 0.06 0.10 0.05 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.48 0.15 0.17 0.10 0.00 0.00 0.00 0.00 03:00:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:02 ens3 58.33 42.02 297.54 11.47 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 24.70 19.80 225.09 2.32 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 9.85 8.52 61.19 0.90 0.00 0.00 0.00 0.00 03:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 15.89 12.97 157.01 1.27 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 7.16 6.53 32.89 0.87 0.00 0.00 0.00 0.00 03:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:02 ens3 20.06 17.95 228.34 1.75 0.00 0.00 0.00 0.00 04:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:00:02 ens3 17.70 13.56 72.33 12.68 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 12.98 10.15 89.79 2.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66141) 04/03/26 _x86_64_ (2 CPU) 01:53:25 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.07 0.01 0.04 99.60 02:10:01 0 0.05 0.00 0.09 0.01 0.05 99.79 02:10:01 1 0.49 0.00 0.05 0.01 0.04 99.42 02:20:02 all 0.35 0.00 0.11 0.24 0.04 99.26 02:20:02 0 0.24 0.00 0.13 0.48 0.04 99.10 02:20:02 1 0.46 0.00 0.08 0.00 0.03 99.42 02:30:02 all 0.29 0.00 0.16 0.01 0.04 99.50 02:30:02 0 0.12 0.00 0.18 0.02 0.04 99.65 02:30:02 1 0.46 0.00 0.14 0.01 0.04 99.35 02:40:01 all 0.21 0.00 0.08 0.01 0.04 99.66 02:40:01 0 0.06 0.00 0.09 0.02 0.05 99.79 02:40:01 1 0.36 0.00 0.06 0.01 0.04 99.54 02:50:02 all 0.25 0.00 0.07 0.01 0.04 99.62 02:50:02 0 0.06 0.00 0.09 0.02 0.05 99.79 02:50:02 1 0.45 0.00 0.06 0.01 0.03 99.45 03:00:02 all 10.58 0.00 1.72 0.49 0.05 87.16 03:00:02 0 10.58 0.00 1.76 0.49 0.05 87.12 03:00:02 1 10.58 0.00 1.67 0.49 0.05 87.21 03:10:01 all 1.09 0.00 0.29 0.04 0.07 98.51 03:10:01 0 1.32 0.00 0.33 0.02 0.06 98.27 03:10:01 1 0.86 0.00 0.26 0.05 0.07 98.76 03:20:02 all 2.35 0.00 0.29 0.01 0.07 97.27 03:20:02 0 1.81 0.00 0.18 0.00 0.05 97.96 03:20:02 1 2.90 0.00 0.41 0.01 0.09 96.58 03:30:02 all 5.93 0.00 0.66 0.01 0.08 93.31 03:30:02 0 4.29 0.00 0.58 0.02 0.09 95.03 03:30:02 1 7.61 0.00 0.74 0.01 0.07 91.57 03:40:02 all 2.04 0.00 0.30 0.01 0.07 97.57 03:40:02 0 2.36 0.00 0.36 0.01 0.08 97.20 03:40:02 1 1.73 0.00 0.24 0.02 0.07 97.95 03:50:02 all 1.82 0.00 0.39 0.01 0.07 97.71 03:50:02 0 2.72 0.00 0.49 0.01 0.07 96.72 03:50:02 1 0.92 0.00 0.30 0.01 0.08 98.70 03:50:02 CPU %user %nice %system %iowait %steal %idle 04:00:02 all 2.12 0.00 0.40 0.02 0.07 97.38 04:00:02 0 2.98 0.00 0.43 0.01 0.07 96.52 04:00:02 1 1.25 0.00 0.38 0.04 0.08 98.25 Average: all 2.27 0.00 0.38 0.07 0.06 97.22 Average: 0 2.21 0.00 0.39 0.09 0.06 97.25 Average: 1 2.33 0.00 0.37 0.05 0.06 97.20