---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6922 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 5106 4 2342 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:02:d5:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85076sec preferred_lft 85076sec inet6 fe80::f816:3eff:fe02:d53c/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-6922) 04/24/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.79 0.02 1.76 0.02 0.82 21.04 0.21 00:20:05 2.01 0.11 1.87 0.04 3.03 26.21 532.43 00:30:04 1.74 0.00 1.73 0.01 0.00 19.38 0.37 00:40:05 1.54 0.00 1.54 0.00 0.00 16.72 0.00 00:50:01 1.90 0.30 1.60 0.00 11.29 36.87 0.12 01:00:07 23.65 2.69 18.71 2.24 213.19 3069.79 1736.87 01:10:08 1.53 0.00 1.52 0.01 0.00 24.11 0.35 01:20:09 1.71 0.00 1.70 0.01 0.00 130.78 0.85 01:30:10 1.75 0.00 1.69 0.05 0.00 33.44 397.51 01:40:09 1.61 0.00 1.57 0.05 0.00 32.35 1.55 Average: 3.94 0.31 3.38 0.25 23.01 343.69 268.86 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6098760 7497408 311084 3.83 54184 1540600 555144 6.05 485984 1309112 392 00:20:05 6139564 7499844 308612 3.79 54340 1502032 552972 6.02 484732 1270480 272 00:30:04 6137964 7498704 309768 3.81 54464 1502360 552972 6.02 484732 1270928 264 00:40:05 6145552 7506720 301760 3.71 54564 1502680 552972 6.02 484732 1271356 264 00:50:01 6136620 7507328 301032 3.70 54764 1512140 560752 6.11 496736 1279724 252 01:00:07 5020096 7211088 549912 6.76 103928 2242600 724340 7.89 689488 2015396 412 01:10:08 5141704 7334724 426312 5.24 104028 2244536 683276 7.44 639424 2017432 320 01:20:09 5078948 7306100 454892 5.59 104124 2278528 719700 7.84 675164 2051520 148 01:30:10 5081020 7312240 448652 5.52 104232 2282428 698236 7.61 652656 2055528 260 01:40:09 5035556 7271492 489344 6.02 104388 2286928 732316 7.98 687080 2060184 224 Average: 5601578 7394565 390137 4.80 79302 1889483 633268 6.90 578073 1660166 281 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.21 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.14 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.54 0.10 0.15 0.07 0.00 0.00 0.00 0.00 00:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:05 ens3 0.47 0.07 0.12 0.05 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.93 2.56 12.02 2.61 0.00 0.00 0.00 0.00 01:00:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:07 ens3 72.94 52.84 423.75 10.97 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 14.51 13.02 139.92 1.15 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 5.90 4.57 41.25 0.77 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 15.83 14.96 149.53 1.63 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 24.02 22.62 225.58 2.42 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 13.91 11.13 99.60 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6922) 04/24/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:01 0 0.27 0.00 0.09 0.01 0.02 99.61 00:10:01 1 0.25 0.00 0.11 0.01 0.04 99.59 00:20:05 all 0.59 0.00 0.23 0.01 0.03 99.14 00:20:05 0 0.59 0.00 0.23 0.02 0.02 99.14 00:20:05 1 0.59 0.00 0.23 0.01 0.04 99.13 00:30:04 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:04 0 0.38 0.00 0.13 0.01 0.02 99.46 00:30:04 1 0.16 0.00 0.19 0.01 0.04 99.60 00:40:05 all 0.23 0.00 0.07 0.01 0.03 99.66 00:40:05 0 0.05 0.00 0.09 0.01 0.04 99.82 00:40:05 1 0.42 0.00 0.05 0.01 0.02 99.50 00:50:01 all 0.38 0.00 0.08 0.01 0.03 99.50 00:50:01 0 0.29 0.00 0.08 0.01 0.04 99.58 00:50:01 1 0.46 0.00 0.08 0.01 0.03 99.41 01:00:07 all 11.05 0.01 1.80 0.55 0.07 86.52 01:00:07 0 12.15 0.00 1.93 0.49 0.07 85.37 01:00:07 1 9.95 0.02 1.67 0.62 0.07 87.67 01:10:08 all 0.87 0.00 0.21 0.01 0.06 98.85 01:10:08 0 0.78 0.00 0.13 0.01 0.04 99.04 01:10:08 1 0.96 0.00 0.29 0.01 0.08 98.66 01:20:09 all 9.17 0.00 0.73 0.01 0.07 90.02 01:20:09 0 11.36 0.00 0.87 0.01 0.07 87.70 01:20:09 1 6.98 0.00 0.59 0.01 0.07 92.34 01:30:10 all 1.58 0.00 0.33 0.01 0.07 98.00 01:30:10 0 1.62 0.00 0.31 0.00 0.07 97.99 01:30:10 1 1.55 0.00 0.35 0.02 0.08 98.01 01:40:09 all 1.83 0.00 0.34 0.01 0.08 97.74 01:40:09 0 1.91 0.00 0.33 0.01 0.08 97.67 01:40:09 1 1.74 0.00 0.35 0.01 0.08 97.82 Average: all 2.63 0.00 0.41 0.07 0.05 96.85 Average: 0 2.94 0.00 0.42 0.06 0.05 96.53 Average: 1 2.31 0.00 0.39 0.07 0.05 97.16