---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2153 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 7.9G 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 760 5280 4 2189 7181 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:f7:b2:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79883sec preferred_lft 79883sec inet6 fe80::f816:3eff:fef7:b251/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2153) 04/12/26 _x86_64_ (2 CPU) 00:13:49 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 1.01 0.01 0.99 0.01 0.05 14.27 427.29 00:40:14 0.83 0.00 0.83 0.00 0.00 12.04 0.00 00:50:01 0.94 0.00 0.94 0.00 0.00 12.67 0.12 01:00:08 14.06 0.32 1.30 12.44 39.79 72.08 107975.73 01:10:14 1.00 0.00 1.00 0.00 0.00 14.29 0.11 01:20:14 0.93 0.00 0.92 0.01 0.00 13.07 217.85 01:30:14 0.98 0.00 0.95 0.03 0.00 13.88 225.94 01:40:02 2.45 1.36 1.05 0.03 97.92 110.74 0.38 01:50:04 20.38 1.70 16.48 2.20 131.98 3010.47 598.36 02:00:14 1.29 0.00 1.25 0.04 0.00 23.63 0.50 Average: 4.40 0.34 2.57 1.49 26.81 329.72 11037.98 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 6288824 7542912 277736 3.42 30676 1429036 519032 5.65 450724 1186748 72 00:40:14 6284300 7538904 281776 3.46 30852 1429372 524496 5.71 454832 1187260 92 00:50:01 6291888 7546976 273628 3.36 31000 1429700 524496 5.71 454804 1187736 160 01:00:08 6233412 7517612 302184 3.72 31384 1458028 714512 7.78 468116 1205116 208 01:10:14 6252924 7537884 281992 3.47 31584 1458572 579848 6.32 472032 1205656 92 01:20:14 6251956 7537436 282504 3.47 31768 1458904 524972 5.72 467248 1206172 44 01:30:14 6244664 7530684 289248 3.56 31972 1459232 524972 5.72 467212 1206708 184 01:40:02 6003980 7388016 425960 5.24 39824 1544244 616120 6.71 578604 1287072 40604 01:50:04 5245132 7364628 407152 5.01 85572 2197940 659592 7.18 630892 1953456 280 02:00:14 5234992 7356700 415016 5.10 85740 2199980 661300 7.20 624720 1955540 168 Average: 6033207 7486175 323720 3.98 43037 1606501 584934 6.37 506918 1358146 4190 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 0.95 0.10 0.15 0.06 0.00 0.00 0.00 0.00 00:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:14 ens3 1.84 0.16 0.34 0.11 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 0.92 0.10 0.15 0.06 0.00 0.00 0.00 0.00 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.60 0.23 3.07 0.05 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.40 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.61 0.25 0.12 0.77 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 21.31 11.64 52.12 4.43 0.00 0.00 0.00 0.00 01:50:04 lo 1.28 1.28 0.11 0.11 0.00 0.00 0.00 0.00 01:50:04 ens3 44.77 33.38 259.22 6.83 0.00 0.00 0.00 0.00 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 12.80 11.70 105.58 1.07 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 8.43 5.76 42.15 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2153) 04/12/26 _x86_64_ (2 CPU) 00:13:49 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.29 0.00 0.16 0.01 0.02 99.52 00:30:14 0 0.09 0.00 0.17 0.01 0.02 99.71 00:30:14 1 0.49 0.00 0.16 0.00 0.02 99.33 00:40:14 all 0.29 0.00 0.08 0.01 0.02 99.60 00:40:14 0 0.11 0.00 0.09 0.01 0.03 99.77 00:40:14 1 0.48 0.00 0.07 0.01 0.02 99.42 00:50:01 all 0.27 0.00 0.07 0.01 0.02 99.63 00:50:01 0 0.05 0.00 0.08 0.00 0.02 99.84 00:50:01 1 0.49 0.00 0.06 0.01 0.02 99.42 01:00:08 all 0.39 0.00 0.19 0.03 0.02 99.37 01:00:08 0 0.22 0.00 0.20 0.01 0.03 99.53 01:00:08 1 0.56 0.00 0.17 0.05 0.02 99.20 01:10:14 all 0.27 0.00 0.08 0.01 0.02 99.62 01:10:14 0 0.06 0.00 0.11 0.01 0.02 99.80 01:10:14 1 0.47 0.00 0.06 0.01 0.01 99.44 01:20:14 all 0.27 0.00 0.08 0.01 0.02 99.63 01:20:14 0 0.26 0.00 0.08 0.01 0.02 99.63 01:20:14 1 0.27 0.00 0.07 0.01 0.02 99.64 01:30:14 all 0.25 0.00 0.16 0.01 0.02 99.57 01:30:14 0 0.26 0.00 0.15 0.00 0.02 99.57 01:30:14 1 0.23 0.00 0.16 0.01 0.02 99.58 01:40:02 all 1.10 0.00 0.22 0.04 0.02 98.62 01:40:02 0 1.64 0.00 0.20 0.05 0.01 98.09 01:40:02 1 0.56 0.00 0.23 0.02 0.02 99.16 01:50:04 all 10.34 0.00 1.55 0.46 0.05 87.61 01:50:04 0 14.12 0.00 1.86 0.49 0.05 83.48 01:50:04 1 6.55 0.00 1.24 0.42 0.05 91.74 02:00:14 all 0.84 0.00 0.28 0.01 0.03 98.84 02:00:14 0 1.12 0.00 0.34 0.01 0.04 98.49 02:00:14 1 0.56 0.00 0.22 0.00 0.03 99.20 Average: all 1.43 0.00 0.29 0.06 0.02 98.20 Average: 0 1.79 0.00 0.33 0.06 0.03 97.79 Average: 1 1.07 0.00 0.24 0.06 0.02 98.61