---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22100 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: 5600.00 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 8.3G 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 779 4866 4 2591 7162 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:55:25:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78867sec preferred_lft 78867sec inet6 fe80::f816:3eff:fe55:25bc/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-22100) 06/01/26 _x86_64_ (2 CPU) 01:47:53 LINUX RESTART (2 CPU) 01:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.42 0.03 1.38 0.01 1.29 17.36 455.22 02:10:26 1.21 0.01 1.21 0.00 0.05 14.91 0.12 02:20:37 1.68 0.25 1.42 0.01 30.43 72.17 0.29 02:30:01 1.47 0.01 1.45 0.02 1.12 17.91 463.40 02:40:26 1.19 0.00 1.19 0.00 0.00 14.96 0.00 02:50:20 1.67 0.40 1.26 0.00 15.98 47.25 0.00 03:00:01 37.21 2.71 18.24 16.27 219.31 3512.25 110546.34 03:10:06 1.38 0.00 1.36 0.02 0.00 17.31 1.19 03:20:26 1.23 0.00 1.21 0.02 0.00 70.17 1.50 03:30:01 1.61 0.00 1.57 0.05 0.00 319.55 3.19 03:40:26 1.44 0.00 1.41 0.03 0.00 172.24 3.21 03:50:26 1.41 0.00 1.39 0.02 0.00 17.59 1.09 Average: 4.31 0.28 2.71 1.33 21.79 348.26 8994.33 01:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6297956 7548728 272008 3.34 30624 1425780 505124 5.50 436148 1187404 160 02:10:26 6301760 7553040 267692 3.29 30796 1426112 521644 5.68 436840 1187908 128 02:20:37 6248808 7526904 293380 3.61 31128 1452252 718808 7.83 459000 1205616 124 02:30:01 6255720 7534672 285528 3.51 31308 1452892 522584 5.69 453724 1206124 160 02:40:26 6260188 7539632 280548 3.45 31464 1453228 522612 5.69 454044 1206608 156 02:50:20 6217664 7512300 307548 3.78 31776 1468032 566004 6.16 497444 1220080 256 03:00:01 4972896 7169344 598388 7.36 86440 2270668 839352 9.14 802152 2033316 336 03:10:06 5064760 7261788 505972 6.22 86624 2271068 748760 8.16 711572 2033900 168 03:20:26 4998408 7213032 554836 6.82 86804 2288480 818800 8.92 764532 2051496 256 03:30:01 4835464 7138056 628624 7.73 86988 2375260 897548 9.78 843656 2138460 304 03:40:26 4667692 7020164 745672 9.17 87156 2424284 992088 10.81 938212 2187524 124 03:50:26 4684164 7037248 728580 8.96 87328 2424720 982248 10.70 927784 2188132 184 Average: 5567123 7337909 455731 5.60 59036 1894398 719631 7.84 643759 1653881 196 01:50:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.16 0.09 0.25 0.04 0.00 0.00 0.00 0.00 02:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:37 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:37 ens3 0.51 0.22 3.10 0.03 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 0.23 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 10.05 4.56 20.17 2.50 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 86.87 66.78 755.02 11.08 0.00 0.00 0.00 0.00 03:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 27.32 24.78 421.29 1.64 0.00 0.00 0.00 0.00 03:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:26 ens3 68.50 62.86 1060.63 4.13 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 25.07 22.98 380.89 1.58 0.00 0.00 0.00 0.00 03:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:26 ens3 24.28 22.52 378.89 1.52 0.00 0.00 0.00 0.00 03:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:26 ens3 10.83 10.32 183.37 0.70 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 21.26 17.95 268.19 1.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22100) 06/01/26 _x86_64_ (2 CPU) 01:47:53 LINUX RESTART (2 CPU) 01:50:26 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.17 0.01 0.04 99.47 02:00:01 0 0.30 0.00 0.16 0.01 0.03 99.49 02:00:01 1 0.31 0.00 0.18 0.01 0.05 99.46 02:10:26 all 0.26 0.00 0.08 0.01 0.03 99.61 02:10:26 0 0.11 0.00 0.10 0.01 0.04 99.74 02:10:26 1 0.41 0.00 0.06 0.01 0.03 99.48 02:20:37 all 0.39 0.00 0.11 0.03 0.04 99.44 02:20:37 0 0.14 0.00 0.09 0.02 0.03 99.72 02:20:37 1 0.63 0.00 0.12 0.04 0.04 99.16 02:30:01 all 0.29 0.00 0.17 0.02 0.04 99.49 02:30:01 0 0.52 0.00 0.16 0.01 0.02 99.28 02:30:01 1 0.07 0.00 0.18 0.02 0.05 99.69 02:40:26 all 0.24 0.00 0.08 0.01 0.03 99.64 02:40:26 0 0.05 0.00 0.09 0.00 0.03 99.82 02:40:26 1 0.42 0.00 0.07 0.02 0.03 99.46 02:50:20 all 0.53 0.00 0.11 0.01 0.03 99.32 02:50:20 0 0.47 0.00 0.11 0.01 0.04 99.37 02:50:20 1 0.58 0.00 0.11 0.02 0.03 99.26 03:00:01 all 12.06 0.00 1.98 0.61 0.07 85.27 03:00:01 0 9.46 0.00 1.75 0.72 0.07 88.00 03:00:01 1 14.66 0.00 2.22 0.50 0.08 82.54 03:10:06 all 0.59 0.00 0.25 0.01 0.07 99.08 03:10:06 0 0.66 0.00 0.36 0.00 0.08 98.89 03:10:06 1 0.52 0.00 0.14 0.01 0.06 99.27 03:20:26 all 1.01 0.00 0.51 0.01 0.08 98.40 03:20:26 0 1.03 0.00 0.54 0.00 0.07 98.36 03:20:26 1 1.00 0.00 0.48 0.01 0.08 98.44 03:30:01 all 0.77 0.00 0.30 0.01 0.07 98.84 03:30:01 0 0.77 0.00 0.29 0.01 0.06 98.86 03:30:01 1 0.78 0.00 0.31 0.01 0.07 98.82 03:40:26 all 0.66 0.00 0.25 0.01 0.07 99.01 03:40:26 0 0.71 0.00 0.28 0.01 0.08 98.91 03:40:26 1 0.60 0.00 0.22 0.00 0.06 99.12 03:40:26 CPU %user %nice %system %iowait %steal %idle 03:50:26 all 0.47 0.00 0.19 0.01 0.06 99.26 03:50:26 0 0.50 0.00 0.18 0.01 0.06 99.26 03:50:26 1 0.45 0.00 0.21 0.01 0.07 99.26 Average: all 1.43 0.00 0.35 0.06 0.05 98.11 Average: 0 1.20 0.00 0.34 0.07 0.05 98.34 Average: 1 1.67 0.00 0.35 0.05 0.05 97.87