---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1655 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 8.1G 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 764 5014 4 2463 7176 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:02:6c:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82047sec preferred_lft 82047sec inet6 fe80::f816:3eff:fe02:6cd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1655) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 2.07 0.28 1.77 0.01 33.32 78.69 0.35 02:20:01 1.43 0.01 1.41 0.02 0.07 16.80 1.00 02:30:06 1.60 0.00 1.57 0.03 0.00 18.72 432.57 02:40:36 1.35 0.00 1.33 0.02 0.00 16.00 1.14 02:50:01 1.38 0.00 1.36 0.02 0.00 16.08 1.16 03:00:00 27.09 1.51 12.05 13.53 112.16 2290.98 110312.76 Average: 5.83 0.30 3.25 2.28 24.33 407.28 18508.91 02:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6239612 7514264 305744 3.76 30796 1449180 529416 5.77 456656 1201344 184 02:20:01 6268536 7543744 276264 3.40 31032 1449480 529500 5.77 456684 1201888 240 02:30:06 6256704 7532512 287344 3.53 31264 1449812 529680 5.77 456872 1202448 164 02:40:36 6256480 7532864 287016 3.53 31472 1450172 530452 5.78 458456 1203020 164 02:50:01 6264292 7541176 278668 3.43 31660 1450476 530400 5.78 458344 1203512 124 03:00:00 5455040 7393508 386228 4.75 71808 2037744 642624 7.00 589044 1814404 52032 Average: 6123444 7509678 303544 3.73 38005 1547811 548679 5.98 479343 1304436 8818 02:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 1.08 0.27 3.28 0.03 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 0.90 0.07 4.25 0.04 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.30 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 6.20 3.62 4.41 3.28 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.29 0.07 0.07 0.04 0.00 0.00 0.00 0.00 03:00:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 35.51 24.66 278.44 9.80 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 7.45 4.83 48.57 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1655) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:17 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.39 0.00 0.13 0.17 0.04 99.28 02:10:16 0 0.33 0.00 0.10 0.01 0.04 99.53 02:10:16 1 0.45 0.00 0.15 0.34 0.04 99.02 02:20:01 all 0.25 0.00 0.09 0.06 0.03 99.57 02:20:01 0 0.14 0.00 0.09 0.11 0.03 99.64 02:20:01 1 0.37 0.00 0.09 0.02 0.03 99.50 02:30:06 all 0.25 0.00 0.18 0.01 0.03 99.53 02:30:06 0 0.20 0.00 0.16 0.01 0.03 99.59 02:30:06 1 0.30 0.00 0.19 0.01 0.03 99.47 02:40:36 all 0.43 0.00 0.09 0.03 0.04 99.41 02:40:36 0 0.34 0.00 0.10 0.04 0.05 99.47 02:40:36 1 0.53 0.00 0.07 0.02 0.04 99.34 02:50:01 all 0.26 0.00 0.07 0.03 0.04 99.60 02:50:01 0 0.07 0.00 0.09 0.01 0.04 99.80 02:50:01 1 0.46 0.00 0.06 0.05 0.03 99.40 03:00:00 all 6.23 0.00 1.01 0.54 0.06 92.16 03:00:00 0 6.96 0.00 1.05 0.38 0.06 91.55 03:00:00 1 5.51 0.00 0.96 0.70 0.05 92.78 Average: all 1.31 0.00 0.26 0.14 0.04 98.25 Average: 0 1.34 0.00 0.27 0.09 0.04 98.26 Average: 1 1.27 0.00 0.25 0.19 0.04 98.25