---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28178 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 765 5200 4 2267 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:bd:95:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80230sec preferred_lft 80230sec inet6 fe80::f816:3eff:febd:9566/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28178) 06/18/26 _x86_64_ (2 CPU) 00:44:20 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.86 0.26 1.56 0.04 31.03 76.39 0.69 01:10:03 1.30 0.01 1.28 0.02 1.05 16.40 1.16 01:20:03 1.17 0.00 1.14 0.02 0.01 14.48 218.70 01:30:03 1.43 0.00 1.40 0.03 0.00 17.83 219.01 01:40:03 1.37 0.00 1.35 0.02 0.00 16.41 1.21 01:50:04 14.00 0.00 1.44 12.56 0.15 17.08 109060.77 02:00:04 23.80 3.01 18.49 2.30 227.41 3449.35 899.41 02:10:03 1.42 0.00 1.40 0.02 0.00 18.18 1.31 02:20:04 1.26 0.00 1.24 0.02 0.00 15.45 1.33 Average: 5.29 0.36 3.26 1.67 28.85 404.67 12271.23 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6241020 7518560 301156 3.70 30944 1451832 728896 7.94 462336 1204876 248 01:10:03 6248328 7526756 292948 3.60 31180 1452480 587784 6.40 462472 1205444 212 01:20:03 6259652 7538608 281156 3.46 31372 1452804 532924 5.80 457572 1205964 220 01:30:03 6254900 7534408 285304 3.51 31576 1453132 532932 5.80 457560 1206496 204 01:40:03 6262488 7542668 277040 3.41 31788 1453588 533052 5.81 458072 1207036 200 01:50:04 6270856 7551616 268020 3.30 32004 1453956 533140 5.81 458244 1207584 244 02:00:04 5179364 7380328 386516 4.75 87176 2273852 653876 7.12 612352 2037100 216 02:10:03 5179596 7381080 385604 4.74 87368 2274200 708952 7.72 617572 2037624 188 02:20:04 5178084 7380068 386780 4.76 87500 2274552 654900 7.13 612568 2038124 216 Average: 5897143 7483788 318280 3.91 50101 1726711 607384 6.62 510972 1483361 216 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 1.16 0.40 3.23 0.06 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.53 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.45 0.08 0.11 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 0.31 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.54 0.23 0.13 0.56 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.24 0.07 0.09 0.05 0.00 0.00 0.00 0.00 02:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:04 ens3 73.99 48.08 315.17 11.32 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 1.85 0.21 0.22 0.03 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.52 0.17 0.08 0.03 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 8.84 5.48 35.47 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28178) 06/18/26 _x86_64_ (2 CPU) 00:44:20 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.41 0.00 0.19 0.02 0.04 99.33 01:00:03 0 0.26 0.00 0.17 0.04 0.02 99.51 01:00:03 1 0.56 0.00 0.21 0.01 0.07 99.15 01:10:03 all 0.28 0.00 0.09 0.01 0.01 99.61 01:10:03 0 0.28 0.00 0.08 0.02 0.01 99.61 01:10:03 1 0.28 0.00 0.09 0.01 0.02 99.61 01:20:03 all 0.27 0.00 0.08 0.01 0.09 99.55 01:20:03 0 0.41 0.00 0.07 0.01 0.08 99.44 01:20:03 1 0.13 0.00 0.09 0.01 0.10 99.66 01:30:03 all 0.29 0.00 0.18 0.01 0.03 99.49 01:30:03 0 0.27 0.00 0.18 0.02 0.02 99.51 01:30:03 1 0.30 0.00 0.18 0.00 0.05 99.47 01:40:03 all 0.28 0.00 0.08 0.01 0.01 99.63 01:40:03 0 0.14 0.00 0.09 0.01 0.02 99.75 01:40:03 1 0.42 0.00 0.06 0.01 0.01 99.50 01:50:04 all 0.25 0.00 0.09 0.04 0.01 99.62 01:50:04 0 0.07 0.00 0.12 0.06 0.02 99.73 01:50:04 1 0.43 0.00 0.06 0.01 0.01 99.50 02:00:04 all 11.95 0.00 1.83 0.48 0.05 85.69 02:00:04 0 14.72 0.00 2.04 0.49 0.05 82.70 02:00:04 1 9.19 0.00 1.62 0.47 0.05 88.68 02:10:03 all 0.37 0.00 0.14 0.01 0.04 99.44 02:10:03 0 0.31 0.00 0.17 0.02 0.05 99.46 02:10:03 1 0.44 0.00 0.10 0.01 0.03 99.42 02:20:04 all 0.39 0.00 0.13 0.01 0.03 99.45 02:20:04 0 0.38 0.00 0.11 0.01 0.02 99.48 02:20:04 1 0.39 0.00 0.15 0.01 0.04 99.42 Average: all 1.61 0.00 0.31 0.07 0.04 97.98 Average: 0 1.87 0.00 0.34 0.07 0.03 97.69 Average: 1 1.35 0.00 0.28 0.06 0.04 98.27