---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29884 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 790 5175 4 2265 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:d1:da:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80827sec preferred_lft 80827sec inet6 fe80::f816:3eff:fed1:da40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29884) 03/25/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.87 0.03 1.82 0.02 1.53 812.33 220.21 01:00:03 1.59 0.01 1.57 0.02 0.05 18.82 650.94 01:10:02 1.30 0.00 1.28 0.02 0.00 15.18 1.20 01:20:00 1.33 0.00 1.32 0.02 0.01 15.46 1.08 01:30:03 14.18 0.00 1.69 12.49 0.15 20.36 109219.50 01:40:04 2.02 0.32 1.67 0.03 40.01 73.50 1.42 01:50:01 25.44 3.05 20.15 2.24 229.02 3130.00 1268.22 02:00:05 1.90 0.00 1.88 0.02 0.48 71.28 0.73 02:10:05 1.44 0.00 1.41 0.03 0.35 102.77 2.86 Average: 5.67 0.38 3.63 1.66 30.04 470.75 12440.10 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 6287124 7534216 285904 3.52 30552 1422432 520944 5.67 446060 1182956 12 01:00:03 6281336 7529000 291208 3.58 30764 1422764 520972 5.67 446240 1183504 180 01:10:02 6287664 7535848 284356 3.50 30972 1423068 521168 5.68 446384 1184016 136 01:20:00 6286908 7535628 284572 3.50 31156 1423412 521176 5.68 446620 1184544 132 01:30:03 6279360 7528704 291440 3.58 31388 1423788 521272 5.68 446628 1185124 228 01:40:04 6238700 7517116 302516 3.72 31780 1452104 521328 5.68 458312 1202328 44 01:50:01 5346396 7454488 317152 3.90 85196 2187228 552748 6.02 553280 1945312 2424 02:00:05 5273944 7394896 376588 4.63 85332 2200036 647956 7.06 605908 1958232 1376 02:10:05 5242008 7388540 382692 4.71 85540 2225376 698728 7.61 614808 1983676 1508 Average: 5947049 7490937 312936 3.85 49187 1686690 558477 6.08 496027 1445521 671 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.61 0.23 0.51 0.13 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.76 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.50 0.09 0.13 0.06 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 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.59 0.26 3.09 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 59.91 42.36 298.40 11.43 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 40.48 33.61 8.59 4.24 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 44.58 43.42 10.09 6.22 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 16.69 13.35 35.50 2.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29884) 03/25/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.33 0.00 0.17 0.08 0.03 99.39 00:50:00 0 0.14 0.00 0.20 0.09 0.04 99.54 00:50:00 1 0.52 0.00 0.14 0.07 0.02 99.25 01:00:03 all 0.30 0.00 0.17 0.04 0.02 99.46 01:00:03 0 0.08 0.00 0.20 0.07 0.03 99.62 01:00:03 1 0.52 0.00 0.15 0.01 0.02 99.30 01:10:02 all 0.27 0.00 0.07 0.02 0.02 99.62 01:10:02 0 0.38 0.00 0.06 0.01 0.02 99.54 01:10:02 1 0.16 0.00 0.08 0.02 0.03 99.71 01:20:00 all 0.23 0.00 0.07 0.02 0.03 99.65 01:20:00 0 0.05 0.00 0.07 0.04 0.03 99.82 01:20:00 1 0.42 0.00 0.07 0.01 0.03 99.47 01:30:03 all 0.28 0.00 0.17 0.11 0.03 99.42 01:30:03 0 0.47 0.00 0.14 0.03 0.02 99.33 01:30:03 1 0.09 0.00 0.19 0.18 0.03 99.50 01:40:04 all 0.32 0.00 0.11 0.05 0.03 99.49 01:40:04 0 0.40 0.00 0.07 0.05 0.02 99.46 01:40:04 1 0.24 0.00 0.15 0.05 0.04 99.52 01:50:01 all 10.74 0.00 1.65 1.27 0.05 86.29 01:50:01 0 12.07 0.00 1.82 1.92 0.04 84.14 01:50:01 1 9.41 0.00 1.48 0.62 0.06 88.43 02:00:05 all 6.16 0.00 0.54 0.04 0.07 93.19 02:00:05 0 6.60 0.00 0.49 0.06 0.07 92.78 02:00:05 1 5.71 0.00 0.59 0.02 0.07 93.61 02:10:05 all 8.28 0.00 0.52 0.02 0.07 91.10 02:10:05 0 10.68 0.00 0.58 0.01 0.07 88.66 02:10:05 1 5.90 0.00 0.47 0.04 0.07 93.53 Average: all 2.98 0.00 0.39 0.18 0.04 96.41 Average: 0 3.42 0.00 0.40 0.25 0.04 95.89 Average: 1 2.54 0.00 0.37 0.11 0.04 96.93