---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1651 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 796 5152 4 2281 7145 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:33:5c:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78784sec preferred_lft 78784sec inet6 fe80::f816:3eff:fe33:5cd5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1651) 04/10/26 _x86_64_ (2 CPU) 01:58:38 LINUX RESTART (2 CPU) 02:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.38 0.02 1.35 0.00 1.24 16.64 0.12 02:20:12 1.40 0.01 1.39 0.00 0.07 16.46 0.12 02:30:17 1.51 0.00 1.50 0.01 0.00 18.43 431.85 02:40:02 1.91 0.32 1.57 0.01 40.06 74.94 0.33 02:50:18 1.38 0.00 1.37 0.00 1.03 16.59 0.05 03:00:18 14.43 0.26 1.62 12.55 8.88 38.67 109563.61 03:10:12 24.10 2.80 19.02 2.27 221.81 3169.71 799.74 03:20:18 1.32 0.00 1.30 0.02 0.00 21.84 1.24 03:30:02 1.56 0.00 1.53 0.03 0.00 22.73 1.49 03:40:19 1.65 0.00 1.60 0.05 0.00 140.24 396.40 03:50:12 1.45 0.01 1.39 0.05 0.20 65.89 6.07 04:00:20 1.54 0.00 1.48 0.06 0.00 25.03 4.54 Average: 4.45 0.28 2.91 1.25 22.49 299.63 9263.53 02:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6279408 7526820 293664 3.61 30572 1422772 524008 5.71 451992 1183204 180 02:20:12 6278488 7526408 294072 3.62 30748 1423100 524040 5.71 452144 1183708 172 02:30:17 6278308 7526756 293636 3.61 30940 1423432 524344 5.71 454584 1184232 132 02:40:02 6212312 7489508 330140 4.06 31292 1451444 722796 7.87 472056 1201532 192 02:50:18 6219240 7497248 322572 3.97 31456 1452080 524504 5.71 466432 1202020 184 03:00:18 6234776 7522084 297508 3.66 31704 1461008 531056 5.78 477192 1210212 208 03:10:12 5256236 7367900 403728 4.96 85128 2190952 647712 7.05 617652 1948852 432 03:20:18 5225656 7339476 432164 5.31 85304 2192936 656448 7.15 617648 1951012 408 03:30:02 5238380 7353404 418184 5.14 85492 2193948 660212 7.19 621492 1952212 260 03:40:19 5193336 7345848 425560 5.23 85736 2231088 653376 7.12 611528 1989468 136 03:50:12 5121260 7288812 482396 5.93 85928 2245728 734112 8.00 692280 2004300 172 04:00:20 5136048 7305820 465388 5.72 86168 2247672 700708 7.63 658852 2006484 200 Average: 5722787 7424174 371584 4.57 58372 1828013 616943 6.72 549488 1584770 223 02:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.76 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 1.19 0.10 11.18 0.07 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 1.33 0.19 0.35 0.18 0.00 0.00 0.00 0.00 02:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 1.12 0.40 3.45 0.73 0.00 0.00 0.00 0.00 02:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.54 0.09 0.15 0.08 0.00 0.00 0.00 0.00 03:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:18 ens3 4.14 2.40 11.76 1.50 0.00 0.00 0.00 0.00 03:10:12 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:12 ens3 64.65 47.30 403.00 10.83 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 15.86 13.85 166.43 1.21 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 3.55 2.67 5.28 0.51 0.00 0.00 0.00 0.00 03:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:19 ens3 16.86 15.56 180.60 1.66 0.00 0.00 0.00 0.00 03:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:12 ens3 12.83 12.01 122.10 1.51 0.00 0.00 0.00 0.00 04:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:20 ens3 13.00 12.18 138.21 1.10 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 11.39 8.90 87.09 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1651) 04/10/26 _x86_64_ (2 CPU) 01:58:38 LINUX RESTART (2 CPU) 02:00:17 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.24 0.00 0.09 0.05 0.03 99.60 02:10:17 0 0.40 0.00 0.07 0.05 0.02 99.46 02:10:17 1 0.08 0.00 0.11 0.05 0.03 99.74 02:20:12 all 0.24 0.00 0.08 0.12 0.03 99.54 02:20:12 0 0.42 0.00 0.07 0.02 0.02 99.47 02:20:12 1 0.06 0.00 0.10 0.21 0.04 99.60 02:30:17 all 0.33 0.00 0.17 0.13 0.03 99.34 02:30:17 0 0.26 0.00 0.16 0.11 0.03 99.44 02:30:17 1 0.39 0.00 0.18 0.15 0.03 99.25 02:40:02 all 0.40 0.00 0.11 0.09 0.03 99.37 02:40:02 0 0.20 0.00 0.13 0.06 0.03 99.57 02:40:02 1 0.60 0.00 0.09 0.11 0.03 99.16 02:50:18 all 0.25 0.00 0.07 0.01 0.03 99.64 02:50:18 0 0.15 0.00 0.08 0.01 0.03 99.74 02:50:18 1 0.35 0.00 0.07 0.02 0.03 99.53 03:00:18 all 0.39 0.00 0.18 0.48 0.03 98.92 03:00:18 0 0.57 0.00 0.15 0.03 0.01 99.24 03:00:18 1 0.22 0.00 0.22 0.93 0.04 98.59 03:10:12 all 11.70 0.00 1.83 2.94 0.08 83.46 03:10:12 0 12.32 0.00 1.73 2.70 0.06 83.19 03:10:12 1 11.07 0.00 1.93 3.17 0.09 83.73 03:20:18 all 0.94 0.00 0.23 0.06 0.06 98.70 03:20:18 0 1.02 0.00 0.24 0.02 0.05 98.67 03:20:18 1 0.87 0.00 0.22 0.10 0.07 98.73 03:30:02 all 6.40 0.00 0.74 0.01 0.09 92.77 03:30:02 0 3.83 0.00 0.52 0.01 0.09 95.56 03:30:02 1 9.05 0.00 0.96 0.01 0.09 89.89 03:40:19 all 1.73 0.00 0.30 0.02 0.07 97.87 03:40:19 0 1.30 0.00 0.25 0.01 0.06 98.38 03:40:19 1 2.17 0.00 0.35 0.04 0.08 97.36 03:50:12 all 2.82 0.00 0.49 0.01 0.07 96.61 03:50:12 0 1.04 0.00 0.33 0.01 0.07 98.54 03:50:12 1 4.59 0.00 0.65 0.01 0.07 94.68 03:50:12 CPU %user %nice %system %iowait %steal %idle 04:00:20 all 0.91 0.00 0.30 0.01 0.07 98.70 04:00:20 0 0.70 0.00 0.23 0.01 0.05 99.01 04:00:20 1 1.12 0.00 0.37 0.01 0.09 98.40 Average: all 2.16 0.00 0.38 0.32 0.05 97.08 Average: 0 1.83 0.00 0.33 0.25 0.04 97.55 Average: 1 2.49 0.00 0.43 0.40 0.06 96.62