---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64952 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 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 5213 4 2257 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:fd:65:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78887sec preferred_lft 78887sec inet6 fe80::f816:3eff:fefd:658a/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-64952) 04/01/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 2.12 0.31 1.77 0.04 37.94 73.93 424.61 01:10:39 1.43 0.00 1.41 0.02 1.02 16.45 1.21 01:20:01 1.54 0.03 1.50 0.01 2.31 17.24 0.30 01:30:09 1.53 0.00 1.52 0.02 0.00 18.75 0.32 01:40:39 1.36 0.00 1.36 0.00 0.00 16.25 0.00 01:50:01 37.76 3.23 18.75 15.77 241.78 3339.68 117078.36 02:00:39 1.70 0.01 1.68 0.02 0.73 38.87 0.46 02:10:09 1.26 0.00 1.26 0.00 0.00 21.42 0.07 02:20:01 1.32 0.00 1.31 0.01 0.00 132.74 401.50 02:30:19 1.60 0.00 1.58 0.01 0.00 36.69 0.67 02:40:39 1.30 0.00 1.29 0.01 0.00 21.56 0.21 Average: 4.59 0.31 2.93 1.35 24.35 318.65 9984.81 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6236752 7512068 307636 3.78 30912 1449704 722160 7.87 474264 1200292 176 01:10:39 6244340 7520496 299340 3.68 31120 1450340 524448 5.71 468812 1200824 124 01:20:01 6247396 7524672 295268 3.63 31292 1451276 524604 5.71 469524 1201372 160 01:30:09 6254628 7532464 287476 3.53 31480 1451640 524728 5.72 469908 1201920 308 01:40:39 6253676 7532128 287808 3.54 31640 1452088 525248 5.72 470632 1202404 156 01:50:01 5347244 7455572 315936 3.88 85080 2187360 610156 6.65 557820 1945964 2356 02:00:39 5241500 7352968 418652 5.15 85208 2190440 654484 7.13 617976 1949180 124 02:10:09 5275516 7388920 382772 4.71 85344 2192248 656840 7.15 620268 1951124 200 02:20:01 5173020 7321500 450148 5.54 85480 2227144 692888 7.55 656288 1986156 408 02:30:19 5142840 7297248 474248 5.83 85656 2232824 714096 7.78 676940 1991884 396 02:40:39 5175468 7331984 439512 5.40 85784 2234772 680632 7.41 643640 1993960 344 Average: 5690216 7433638 359891 4.43 60818 1865440 620935 6.76 556916 1620462 432 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 1.02 0.24 3.02 0.05 0.00 0.00 0.00 0.00 01:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:39 ens3 1.59 0.08 8.03 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.16 0.12 0.36 0.07 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.44 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:39 ens3 0.72 0.25 0.21 0.77 0.00 0.00 0.00 0.00 01:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 53.25 36.87 316.54 10.61 0.00 0.00 0.00 0.00 02:00:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:39 ens3 25.18 20.76 211.33 2.21 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 9.81 9.29 64.55 0.97 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 13.10 12.26 159.06 1.18 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 16.82 16.01 137.91 1.88 0.00 0.00 0.00 0.00 02:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:39 ens3 13.33 12.81 135.63 1.16 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 12.20 9.76 93.44 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64952) 04/01/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.39 0.00 0.19 0.15 0.07 99.20 01:00:19 0 0.30 0.00 0.21 0.28 0.11 99.12 01:00:19 1 0.48 0.00 0.18 0.03 0.03 99.28 01:10:39 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:39 0 0.09 0.00 0.08 0.01 0.03 99.79 01:10:39 1 0.45 0.00 0.06 0.01 0.03 99.45 01:20:01 all 0.28 0.00 0.08 0.01 0.03 99.59 01:20:01 0 0.10 0.00 0.11 0.01 0.03 99.74 01:20:01 1 0.47 0.00 0.05 0.01 0.02 99.44 01:30:09 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:09 0 0.25 0.00 0.15 0.00 0.03 99.56 01:30:09 1 0.27 0.00 0.16 0.01 0.03 99.53 01:40:39 all 0.21 0.00 0.07 0.03 0.03 99.67 01:40:39 0 0.30 0.00 0.06 0.01 0.02 99.61 01:40:39 1 0.11 0.00 0.08 0.06 0.03 99.72 01:50:01 all 11.13 0.00 1.73 0.59 0.05 86.50 01:50:01 0 10.70 0.00 1.72 0.46 0.06 87.06 01:50:01 1 11.55 0.00 1.74 0.72 0.04 85.94 02:00:39 all 1.23 0.00 0.36 0.01 0.06 98.34 02:00:39 0 1.45 0.00 0.36 0.01 0.05 98.13 02:00:39 1 1.01 0.00 0.36 0.02 0.07 98.55 02:10:09 all 2.61 0.00 0.35 0.01 0.07 96.96 02:10:09 0 3.44 0.00 0.44 0.00 0.07 96.05 02:10:09 1 1.80 0.00 0.26 0.02 0.06 97.87 02:20:01 all 5.58 0.00 0.65 0.13 0.07 93.57 02:20:01 0 6.91 0.00 0.75 0.25 0.07 92.01 02:20:01 1 4.26 0.00 0.55 0.01 0.07 95.11 02:30:19 all 1.99 0.00 0.39 0.01 0.05 97.55 02:30:19 0 1.49 0.00 0.32 0.01 0.05 98.13 02:30:19 1 2.49 0.00 0.47 0.01 0.04 96.98 02:40:39 all 0.98 0.00 0.23 0.02 0.05 98.72 02:40:39 0 0.72 0.00 0.13 0.03 0.03 99.09 02:40:39 1 1.24 0.00 0.34 0.01 0.06 98.35 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.18 0.00 0.38 0.09 0.05 97.31 Average: 0 2.24 0.00 0.38 0.09 0.05 97.23 Average: 1 2.11 0.00 0.38 0.08 0.05 97.38