---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7288 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: 5599.86 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 22% / 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 792 5101 4 2345 7149 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:7f:df:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78412sec preferred_lft 78412sec inet6 fe80::f816:3eff:fe7f:df3f/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-7288) 04/24/26 _x86_64_ (2 CPU) 02:01:44 LINUX RESTART (2 CPU) 02:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 1.41 0.01 1.39 0.02 0.07 16.50 1.20 02:30:03 28.23 13.50 2.15 12.58 150.81 46.53 109687.57 02:40:03 1.33 0.00 1.32 0.01 0.00 15.39 0.36 02:50:01 1.35 0.00 1.35 0.00 0.00 15.85 0.00 03:00:03 1.59 0.00 1.58 0.01 0.00 19.07 0.23 03:10:03 1.93 0.49 1.43 0.01 19.45 94.76 0.07 03:20:01 21.57 2.53 16.82 2.22 208.63 3076.15 573.82 03:30:03 1.59 0.00 1.56 0.02 0.00 25.55 0.36 03:40:03 1.50 0.00 1.50 0.00 0.00 129.98 0.00 03:50:03 1.51 0.00 1.51 0.01 0.00 31.68 395.98 04:00:03 1.67 0.01 1.63 0.03 0.20 68.45 0.95 04:10:03 1.44 0.00 1.43 0.01 0.00 22.85 0.35 Average: 5.43 1.38 2.80 1.25 31.60 296.45 9249.39 02:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 6276988 7552664 267228 3.29 30924 1450288 528804 5.76 453572 1200588 244 02:30:03 6189948 7522848 287864 3.54 35112 1494964 528940 5.76 454236 1248816 176 02:40:03 6197116 7530524 280124 3.44 35292 1495288 529004 5.76 454336 1249320 188 02:50:01 6194876 7528784 281856 3.47 35460 1495612 531208 5.79 454688 1249812 244 03:00:03 6191152 7525732 284872 3.50 35640 1496068 531404 5.79 455076 1250320 192 03:10:03 6096380 7476936 330612 4.07 39492 1535548 564284 6.15 516100 1291856 11044 03:20:01 5181612 7350236 412124 5.07 88768 2235808 639152 6.96 599960 1997632 124 03:30:03 5190160 7360928 401364 4.94 88924 2237796 647684 7.05 600804 1999776 288 03:40:03 5126568 7331628 430684 5.30 89028 2271960 691120 7.53 642016 2034036 256 03:50:03 5144416 7353716 408520 5.02 89188 2275980 657632 7.16 608988 2038096 228 04:00:03 5092628 7316976 445076 5.47 89376 2290632 680224 7.41 631688 2052936 188 04:10:03 5075400 7301884 459976 5.66 89544 2292576 759840 8.28 661300 2055044 276 Average: 5663104 7429405 357525 4.40 62229 1881043 607441 6.62 544397 1639019 1121 02:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.34 0.02 0.06 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.67 0.07 2.94 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 0.61 0.09 0.17 0.08 0.00 0.00 0.00 0.00 03:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 0.37 0.16 0.10 0.59 0.00 0.00 0.00 0.00 03:10:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 12.55 7.81 50.40 3.89 0.00 0.00 0.00 0.00 03:20:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:20:01 ens3 54.77 40.07 361.18 7.92 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 16.74 15.24 167.80 1.33 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 5.98 4.56 41.16 0.62 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 14.42 13.35 149.52 1.51 0.00 0.00 0.00 0.00 04:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:03 ens3 12.53 11.33 120.75 1.49 0.00 0.00 0.00 0.00 04:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:03 ens3 13.26 11.84 140.08 1.07 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.06 8.71 86.16 1.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7288) 04/24/26 _x86_64_ (2 CPU) 02:01:44 LINUX RESTART (2 CPU) 02:10:03 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.27 0.00 0.08 0.01 0.03 99.60 02:20:01 0 0.26 0.00 0.07 0.02 0.03 99.62 02:20:01 1 0.29 0.00 0.09 0.01 0.03 99.57 02:30:03 all 0.24 0.19 0.24 0.18 0.03 99.12 02:30:03 0 0.33 0.00 0.15 0.05 0.03 99.43 02:30:03 1 0.15 0.37 0.33 0.31 0.03 98.80 02:40:03 all 0.22 0.00 0.07 0.01 0.04 99.66 02:40:03 0 0.40 0.00 0.06 0.01 0.03 99.51 02:40:03 1 0.05 0.00 0.09 0.01 0.04 99.81 02:50:01 all 0.24 0.00 0.08 0.01 0.03 99.64 02:50:01 0 0.30 0.00 0.05 0.01 0.03 99.60 02:50:01 1 0.17 0.00 0.10 0.01 0.04 99.69 03:00:03 all 0.30 0.00 0.14 0.02 0.03 99.50 03:00:03 0 0.10 0.00 0.15 0.03 0.04 99.68 03:00:03 1 0.51 0.00 0.14 0.01 0.03 99.32 03:10:03 all 0.82 0.00 0.16 0.02 0.02 98.98 03:10:03 0 0.77 0.00 0.16 0.01 0.02 99.04 03:10:03 1 0.88 0.00 0.17 0.02 0.02 98.92 03:20:01 all 12.18 0.00 2.07 0.49 0.07 85.18 03:20:01 0 12.02 0.00 2.15 0.41 0.07 85.35 03:20:01 1 12.35 0.00 1.99 0.57 0.08 85.01 03:30:03 all 1.02 0.00 0.32 0.01 0.07 98.59 03:30:03 0 1.06 0.00 0.42 0.00 0.08 98.43 03:30:03 1 0.98 0.00 0.22 0.01 0.05 98.75 03:40:03 all 6.36 0.00 0.69 0.01 0.07 92.87 03:40:03 0 10.44 0.00 1.04 0.01 0.08 88.43 03:40:03 1 2.46 0.00 0.34 0.01 0.07 97.13 03:50:03 all 1.45 0.00 0.26 0.01 0.05 98.23 03:50:03 0 1.79 0.00 0.32 0.01 0.05 97.83 03:50:03 1 1.12 0.00 0.20 0.01 0.05 98.63 04:00:03 all 2.87 0.00 0.58 0.01 0.05 96.49 04:00:03 0 2.86 0.00 0.49 0.01 0.04 96.59 04:00:03 1 2.88 0.00 0.67 0.01 0.06 96.38 04:00:03 CPU %user %nice %system %iowait %steal %idle 04:10:03 all 0.93 0.00 0.23 0.01 0.05 98.78 04:10:03 0 0.79 0.00 0.22 0.00 0.05 98.93 04:10:03 1 1.06 0.00 0.24 0.01 0.05 98.63 Average: all 2.23 0.02 0.41 0.07 0.05 97.24 Average: 0 2.56 0.00 0.44 0.05 0.05 96.91 Average: 1 1.90 0.03 0.38 0.08 0.04 97.56