---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20189 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: 5599.94 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 755 5128 4 2350 7186 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:2e:85:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80870sec preferred_lft 80870sec inet6 fe80::f816:3eff:fe2e:8583/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20189) 05/26/26 _x86_64_ (2 CPU) 00:46:14 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.54 0.02 1.49 0.02 1.24 18.87 654.05 01:10:05 1.76 0.26 1.47 0.03 31.01 74.04 1.39 01:20:05 1.28 0.01 1.26 0.01 1.07 15.66 0.89 01:30:06 1.46 0.00 1.45 0.02 0.00 18.24 0.32 01:40:05 13.83 0.00 1.27 12.56 0.15 15.67 109249.85 01:50:05 1.14 0.00 1.14 0.00 0.00 14.23 0.00 02:00:06 23.11 3.03 17.78 2.29 227.72 3453.84 568.74 02:10:06 1.33 0.00 1.32 0.01 0.35 62.48 0.16 Average: 5.68 0.42 3.40 1.87 32.72 459.62 13787.51 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6291552 7542364 278168 3.42 30644 1425816 519004 5.65 444916 1187252 180 01:10:05 6234080 7511752 308356 3.79 31048 1451928 714992 7.79 459512 1205004 176 01:20:05 6239764 7518288 301860 3.71 31256 1452560 519288 5.66 454624 1205532 188 01:30:06 6242664 7521712 298396 3.67 31424 1452884 519280 5.66 455348 1206024 200 01:40:05 6242676 7522284 297756 3.66 31588 1453268 519352 5.66 455708 1206544 228 01:50:05 6242676 7522896 297080 3.65 31740 1453732 519636 5.66 456092 1207024 316 02:00:06 5205692 7407920 359940 4.43 86368 2276520 633332 6.90 597264 2038892 308 02:10:06 5193256 7409528 358256 4.41 86500 2290480 636024 6.93 599116 2052836 388 Average: 5986545 7494593 312476 3.84 45071 1657148 572614 6.24 490322 1413638 248 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.94 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.74 0.25 3.19 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.53 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.39 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.42 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.29 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 78.94 58.82 318.08 13.21 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 45.80 41.54 9.42 5.55 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 16.01 12.63 41.45 2.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20189) 05/26/26 _x86_64_ (2 CPU) 00:46:14 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.28 0.00 0.18 0.04 0.04 99.47 01:00:05 0 0.37 0.00 0.16 0.07 0.02 99.39 01:00:05 1 0.19 0.00 0.20 0.00 0.06 99.55 01:10:05 all 0.37 0.00 0.11 0.02 0.02 99.48 01:10:05 0 0.51 0.00 0.11 0.02 0.02 99.35 01:10:05 1 0.23 0.00 0.12 0.02 0.02 99.62 01:20:05 all 0.29 0.00 0.08 0.02 0.02 99.60 01:20:05 0 0.07 0.00 0.09 0.03 0.02 99.79 01:20:05 1 0.50 0.00 0.07 0.00 0.02 99.41 01:30:06 all 0.30 0.00 0.18 0.01 0.02 99.49 01:30:06 0 0.30 0.00 0.17 0.01 0.02 99.50 01:30:06 1 0.30 0.00 0.18 0.01 0.03 99.48 01:40:05 all 0.28 0.00 0.08 0.03 0.03 99.57 01:40:05 0 0.31 0.00 0.07 0.01 0.03 99.59 01:40:05 1 0.26 0.00 0.10 0.06 0.03 99.55 01:50:05 all 0.26 0.00 0.08 0.04 0.03 99.60 01:50:05 0 0.39 0.00 0.07 0.07 0.02 99.45 01:50:05 1 0.12 0.00 0.09 0.01 0.04 99.75 02:00:06 all 14.53 0.00 1.96 0.52 0.07 82.92 02:00:06 0 15.09 0.00 2.02 0.43 0.07 82.39 02:00:06 1 13.98 0.00 1.90 0.62 0.07 83.44 02:10:06 all 5.97 0.00 0.52 0.01 0.07 93.43 02:10:06 0 5.88 0.00 0.52 0.01 0.07 93.52 02:10:06 1 6.06 0.00 0.52 0.01 0.07 93.34 Average: all 2.77 0.00 0.40 0.09 0.04 96.71 Average: 0 2.86 0.00 0.40 0.08 0.03 96.63 Average: 1 2.69 0.00 0.40 0.09 0.04 96.78