---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12644 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 8.2G 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 741 4999 4 2492 7200 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:55:91:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78640sec preferred_lft 78640sec inet6 fe80::f816:3eff:fe55:9179/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12644) 05/11/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.44 0.02 1.41 0.01 1.24 16.76 0.48 02:20:29 13.47 0.01 1.46 12.00 0.20 17.59 104360.97 02:30:01 1.56 0.00 1.52 0.03 0.00 18.81 914.64 02:40:01 1.95 0.26 1.66 0.03 32.02 75.37 1.39 02:50:09 1.33 0.00 1.31 0.02 0.00 15.90 1.08 03:00:01 1.56 0.00 1.52 0.04 0.00 19.21 882.65 03:10:01 22.04 3.02 16.84 2.18 227.91 3084.66 640.91 03:20:19 1.84 0.00 1.80 0.04 0.47 121.44 3.44 03:30:01 1.42 0.00 1.40 0.02 0.00 19.48 0.78 03:40:01 1.35 0.00 1.34 0.01 0.00 200.64 2.33 03:50:29 1.38 0.00 1.36 0.02 0.00 295.48 3.22 04:00:01 1.62 0.00 1.60 0.02 0.00 21.08 0.80 Average: 4.29 0.28 2.77 1.25 21.79 326.44 9297.83 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6298704 7545592 274984 3.38 30552 1422012 524320 5.71 451440 1183236 240 02:20:29 6297476 7545036 275472 3.39 30804 1422416 524312 5.71 451512 1183864 188 02:30:01 6282884 7530964 289516 3.56 31012 1422712 524344 5.71 451660 1184368 240 02:40:01 6261860 7536920 283144 3.48 31396 1448964 524608 5.71 460952 1201928 124 02:50:09 6261636 7537252 282808 3.48 31612 1449296 524556 5.71 461820 1202476 184 03:00:01 6256664 7532992 287000 3.53 31840 1449748 524636 5.71 462664 1203028 240 03:10:01 5343384 7461040 310492 3.82 85272 2196268 550640 6.00 548804 1957424 25800 03:20:19 4927712 7046324 725248 8.92 85432 2197144 846220 9.22 817720 1958460 284 03:30:01 4900692 7019912 751616 9.24 85568 2197632 899076 9.79 853232 1959080 196 03:40:01 5083260 7258684 512532 6.30 85752 2253336 787964 8.58 743504 2014972 120 03:50:29 4840276 7105284 664468 8.17 85976 2341464 914324 9.96 870176 2103196 244 04:00:01 4864900 7130432 639284 7.86 86112 2341840 878548 9.57 834344 2103708 148 Average: 5634954 7354203 441380 5.43 58444 1845236 668629 7.28 617319 1604645 2334 02:00:01 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 0.92 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.38 0.03 0.05 0.01 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 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.56 0.24 3.15 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.46 0.19 0.14 0.51 0.00 0.00 0.00 0.00 03:10:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 63.23 41.01 302.82 10.77 0.00 0.00 0.00 0.00 03:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:19 ens3 36.24 32.86 544.19 2.44 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 75.23 72.12 1313.17 4.77 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 21.67 20.12 377.54 1.37 0.00 0.00 0.00 0.00 03:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:29 ens3 34.41 33.04 545.35 2.19 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 6.00 4.72 79.97 0.36 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 19.97 17.05 263.75 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12644) 05/11/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.08 0.01 0.02 99.60 02:10:01 0 0.08 0.00 0.11 0.02 0.03 99.77 02:10:01 1 0.49 0.00 0.06 0.00 0.01 99.43 02:20:29 all 0.26 0.00 0.09 0.04 0.02 99.58 02:20:29 0 0.09 0.00 0.12 0.08 0.02 99.69 02:20:29 1 0.43 0.00 0.07 0.01 0.01 99.48 02:30:01 all 0.30 0.00 0.17 0.01 0.02 99.50 02:30:01 0 0.51 0.00 0.15 0.00 0.01 99.32 02:30:01 1 0.09 0.00 0.19 0.02 0.02 99.68 02:40:01 all 0.36 0.00 0.11 0.03 0.02 99.48 02:40:01 0 0.64 0.00 0.11 0.02 0.01 99.21 02:40:01 1 0.08 0.00 0.10 0.03 0.02 99.76 02:50:09 all 0.29 0.00 0.08 0.01 0.02 99.60 02:50:09 0 0.48 0.00 0.07 0.00 0.01 99.43 02:50:09 1 0.11 0.00 0.09 0.01 0.02 99.77 03:00:01 all 0.31 0.00 0.16 0.01 0.02 99.51 03:00:01 0 0.41 0.00 0.13 0.01 0.01 99.44 03:00:01 1 0.21 0.00 0.18 0.01 0.02 99.57 03:10:01 all 10.76 0.00 1.65 2.03 0.04 85.51 03:10:01 0 12.84 0.00 1.83 1.98 0.05 83.31 03:10:01 1 8.68 0.00 1.47 2.08 0.04 87.72 03:20:19 all 0.72 0.00 0.31 0.02 0.04 98.91 03:20:19 0 0.82 0.00 0.39 0.04 0.04 98.72 03:20:19 1 0.63 0.00 0.23 0.01 0.04 99.10 03:30:01 all 1.13 0.00 0.64 0.01 0.04 98.18 03:30:01 0 1.61 0.00 0.98 0.01 0.05 97.35 03:30:01 1 0.64 0.00 0.31 0.00 0.04 99.00 03:40:01 all 0.67 0.00 0.24 0.01 0.04 99.04 03:40:01 0 0.70 0.00 0.35 0.01 0.05 98.89 03:40:01 1 0.63 0.00 0.14 0.01 0.03 99.19 03:50:29 all 0.86 0.00 0.24 0.02 0.04 98.83 03:50:29 0 0.96 0.00 0.30 0.02 0.05 98.67 03:50:29 1 0.77 0.00 0.17 0.02 0.04 99.00 03:50:29 CPU %user %nice %system %iowait %steal %idle 04:00:01 all 0.47 0.00 0.26 0.01 0.04 99.22 04:00:01 0 0.51 0.00 0.26 0.00 0.04 99.19 04:00:01 1 0.44 0.00 0.25 0.01 0.04 99.25 Average: all 1.37 0.00 0.33 0.18 0.03 98.08 Average: 0 1.63 0.00 0.40 0.18 0.03 97.75 Average: 1 1.10 0.00 0.27 0.18 0.03 98.42