---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37644 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 8.0G 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 789 5071 4 2373 7151 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:01:37:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80500sec preferred_lft 80500sec inet6 fe80::f816:3eff:fe01:3795/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37644) 07/22/26 _x86_64_ (2 CPU) 00:39:28 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.76 0.03 1.71 0.02 1.46 28.63 223.16 01:00:13 1.61 0.01 1.60 0.01 0.05 19.00 427.64 01:10:13 1.90 0.26 1.63 0.01 32.01 76.39 0.23 01:20:01 14.20 0.01 1.36 12.83 0.16 16.05 111512.84 01:30:03 1.53 0.00 1.50 0.03 0.00 18.22 434.95 01:40:13 1.39 0.00 1.37 0.02 0.00 16.63 0.14 01:50:01 1.35 0.00 1.35 0.00 0.00 15.49 0.03 02:00:12 25.25 2.80 20.11 2.34 221.59 3557.31 1452.12 02:10:03 1.38 0.00 1.38 0.00 0.00 64.62 0.03 Average: 5.62 0.35 3.60 1.67 28.87 431.60 12436.21 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6286404 7532788 287676 3.54 30516 1421776 523764 5.70 447336 1183288 124 01:00:13 6286696 7533632 286748 3.53 30704 1422120 525520 5.72 448856 1183820 132 01:10:13 6247768 7522276 297680 3.66 31048 1448992 524044 5.71 456992 1201960 132 01:20:01 6261668 7536764 283160 3.48 31248 1449368 524184 5.71 457224 1202508 180 01:30:03 6263916 7539600 280208 3.45 31460 1449704 524288 5.71 457780 1203056 184 01:40:13 6262660 7539016 280792 3.45 31672 1450164 524352 5.71 458108 1203588 180 01:50:01 6262660 7539508 280300 3.45 31824 1450488 524352 5.71 458284 1204076 132 02:00:12 5179800 7403316 362712 4.46 87416 2295756 634924 6.92 593348 2059376 180 02:10:03 5164576 7402328 363740 4.47 87548 2309860 637600 6.94 595452 2073608 184 Average: 6024016 7505470 302557 3.72 43715 1633136 549225 5.98 485931 1390587 159 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.64 0.16 0.48 0.08 0.00 0.00 0.00 0.00 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.51 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.65 0.24 3.42 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 0.42 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.38 0.21 0.09 0.52 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.38 0.07 0.10 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.33 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:00:12 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:12 ens3 72.40 50.75 322.34 11.82 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 48.50 43.78 9.82 5.80 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.11 10.65 38.11 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37644) 07/22/26 _x86_64_ (2 CPU) 00:39:28 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.33 0.00 0.18 0.04 0.03 99.42 00:50:01 0 0.19 0.00 0.17 0.07 0.04 99.54 00:50:01 1 0.47 0.00 0.18 0.01 0.03 99.31 01:00:13 all 0.32 0.00 0.16 0.01 0.03 99.48 01:00:13 0 0.28 0.00 0.15 0.02 0.03 99.51 01:00:13 1 0.35 0.00 0.18 0.00 0.03 99.44 01:10:13 all 0.37 0.00 0.10 0.02 0.03 99.47 01:10:13 0 0.32 0.00 0.09 0.03 0.03 99.53 01:10:13 1 0.42 0.00 0.12 0.01 0.04 99.41 01:20:01 all 0.25 0.00 0.08 0.03 0.04 99.60 01:20:01 0 0.05 0.00 0.08 0.01 0.04 99.82 01:20:01 1 0.44 0.00 0.09 0.06 0.03 99.38 01:30:03 all 0.30 0.00 0.15 0.01 0.03 99.50 01:30:03 0 0.44 0.00 0.14 0.00 0.03 99.39 01:30:03 1 0.17 0.00 0.16 0.02 0.04 99.61 01:40:13 all 0.18 0.00 0.06 0.01 0.03 99.72 01:40:13 0 0.33 0.00 0.05 0.00 0.02 99.60 01:40:13 1 0.04 0.00 0.07 0.02 0.05 99.83 01:50:01 all 0.25 0.00 0.06 0.01 0.03 99.65 01:50:01 0 0.46 0.00 0.05 0.00 0.01 99.47 01:50:01 1 0.04 0.00 0.08 0.02 0.05 99.82 02:00:12 all 15.00 0.00 1.91 0.90 0.07 82.13 02:00:12 0 16.22 0.00 1.94 0.50 0.08 81.26 02:00:12 1 13.78 0.00 1.89 1.29 0.06 82.99 02:10:03 all 6.41 0.00 0.50 0.03 0.07 92.98 02:10:03 0 4.45 0.00 0.41 0.01 0.07 95.06 02:10:03 1 8.38 0.00 0.59 0.05 0.07 90.91 Average: all 2.62 0.00 0.36 0.12 0.04 96.85 Average: 0 2.55 0.00 0.34 0.07 0.04 96.99 Average: 1 2.70 0.00 0.38 0.17 0.04 96.71