---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13079 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 777 5131 4 2330 7164 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:d6:70:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78152sec preferred_lft 78152sec inet6 fe80::f816:3eff:fed6:703f/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-13079) 05/13/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:30 8.40 3.48 4.83 0.09 409.28 4053.28 210.18 01:00:00 1.69 0.01 1.65 0.03 1.16 19.93 917.63 01:10:00 1.35 0.00 1.33 0.02 0.00 15.41 1.20 01:20:30 1.41 0.00 1.40 0.02 0.01 16.11 1.16 01:30:20 1.57 0.00 1.54 0.04 0.00 18.66 887.08 01:40:01 1.33 0.00 1.32 0.02 0.00 15.67 1.12 01:50:27 3.22 1.27 1.90 0.05 92.23 171.24 4.37 02:00:10 34.94 1.75 17.78 15.41 136.15 3173.02 112757.87 02:10:01 1.40 0.00 1.37 0.02 0.00 23.07 1.30 02:20:30 15.00 12.92 2.00 0.08 143.79 46.91 7.11 02:30:20 1.66 0.00 1.62 0.04 0.00 136.61 405.05 02:40:01 1.43 0.00 1.39 0.04 0.00 34.84 5.05 02:50:10 1.39 0.00 1.35 0.04 0.00 22.13 4.08 Average: 5.75 1.55 3.01 1.19 62.17 603.37 8593.82 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:30 6239732 7516416 303672 3.73 30788 1451172 721836 7.86 457956 1204188 172 01:00:00 6254980 7532536 287456 3.53 30996 1451812 527468 5.75 452852 1204724 136 01:10:00 6261872 7539964 280040 3.44 31204 1452140 527724 5.75 453088 1205256 164 01:20:30 6261620 7540276 279684 3.44 31440 1452452 527756 5.75 453384 1205808 132 01:30:20 6250560 7529784 290164 3.57 31648 1452800 527756 5.75 453388 1206364 200 01:40:01 6258148 7537992 281916 3.47 31844 1453248 527888 5.75 453648 1206848 136 01:50:27 5999632 7409932 402712 4.95 41288 1568320 699804 7.62 597820 1318792 56844 02:00:10 5222408 7346956 424416 5.22 85508 2202880 662516 7.22 622040 1964592 488 02:10:01 5222288 7348692 422568 5.20 85656 2204604 726120 7.91 627184 1966460 192 02:20:30 5160156 7343716 418784 5.15 89040 2250172 692452 7.54 643216 2014808 180 02:30:20 5090620 7309176 453116 5.57 89216 2284848 708976 7.72 659796 2049524 260 02:40:01 5120704 7344964 417228 5.13 89432 2290256 681276 7.42 632600 2055152 268 02:50:10 5065496 7291988 470188 5.78 89632 2292256 713824 7.77 665012 2057356 300 Average: 5723709 7430184 363996 4.48 58284 1831305 634261 6.91 551691 1589221 4575 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:30 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:50:30 ens3 22.52 10.31 64.48 2.04 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.50 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.67 0.04 13.58 0.03 0.00 0.00 0.00 0.00 01:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 0.54 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.23 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.22 0.14 0.64 0.00 0.00 0.00 0.00 01:50:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:27 ens3 24.69 12.41 66.73 4.17 0.00 0.00 0.00 0.00 02:00:10 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:10 ens3 53.95 40.75 355.36 7.69 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 13.16 11.42 142.02 1.03 0.00 0.00 0.00 0.00 02:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:30 ens3 3.96 3.38 31.52 0.52 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 8.12 7.48 74.38 0.87 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 15.76 14.99 117.77 1.86 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 20.70 20.14 247.94 1.62 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 12.72 9.28 85.13 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13079) 05/13/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:30 all 1.04 0.00 0.58 0.40 0.02 97.95 00:50:30 0 0.98 0.00 0.66 0.31 0.02 98.04 00:50:30 1 1.11 0.00 0.51 0.49 0.02 97.87 01:00:00 all 0.28 0.00 0.17 0.02 0.02 99.50 01:00:00 0 0.09 0.00 0.20 0.01 0.03 99.68 01:00:00 1 0.48 0.00 0.15 0.02 0.02 99.33 01:10:00 all 0.27 0.00 0.08 0.01 0.02 99.62 01:10:00 0 0.06 0.00 0.10 0.01 0.03 99.80 01:10:00 1 0.49 0.00 0.05 0.01 0.02 99.43 01:20:30 all 0.24 0.00 0.08 0.01 0.02 99.65 01:20:30 0 0.43 0.00 0.08 0.00 0.02 99.47 01:20:30 1 0.06 0.00 0.08 0.01 0.02 99.82 01:30:20 all 0.29 0.00 0.17 0.01 0.02 99.50 01:30:20 0 0.42 0.00 0.17 0.01 0.02 99.38 01:30:20 1 0.16 0.00 0.17 0.01 0.03 99.62 01:40:01 all 0.25 0.00 0.07 0.01 0.02 99.66 01:40:01 0 0.43 0.00 0.06 0.01 0.02 99.49 01:40:01 1 0.06 0.00 0.08 0.01 0.02 99.83 01:50:27 all 1.28 0.00 0.25 0.05 0.02 98.39 01:50:27 0 1.47 0.00 0.26 0.07 0.02 98.18 01:50:27 1 1.10 0.00 0.24 0.03 0.02 98.60 02:00:10 all 10.62 0.00 1.77 0.75 0.09 86.77 02:00:10 0 9.07 0.00 1.64 0.55 0.12 88.62 02:00:10 1 12.17 0.00 1.90 0.96 0.05 84.93 02:10:01 all 0.88 0.00 0.22 0.04 0.04 98.82 02:10:01 0 0.81 0.00 0.23 0.01 0.04 98.91 02:10:01 1 0.94 0.00 0.21 0.07 0.05 98.74 02:20:30 all 6.20 0.17 0.86 0.14 0.07 92.56 02:20:30 0 8.34 0.00 1.06 0.01 0.07 90.52 02:20:30 1 4.12 0.34 0.67 0.26 0.07 94.54 02:30:20 all 6.06 0.00 0.91 0.01 0.07 92.94 02:30:20 0 9.28 0.00 1.30 0.01 0.09 89.32 02:30:20 1 2.97 0.00 0.54 0.01 0.05 96.42 02:30:20 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 2.03 0.00 0.29 0.01 0.04 97.63 02:40:01 0 1.01 0.00 0.29 0.01 0.05 98.64 02:40:01 1 3.04 0.00 0.29 0.01 0.03 96.63 02:50:10 all 0.96 0.00 0.28 0.01 0.04 98.72 02:50:10 0 1.03 0.00 0.29 0.01 0.04 98.63 02:50:10 1 0.88 0.00 0.27 0.01 0.04 98.81 Average: all 2.31 0.01 0.44 0.11 0.04 97.09 Average: 0 2.52 0.00 0.48 0.08 0.04 96.87 Average: 1 2.10 0.03 0.40 0.15 0.03 97.30