---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37492 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 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 798 5092 4 2351 7143 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:8c:96:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79798sec preferred_lft 79798sec inet6 fe80::f816:3eff:fe8c:96d5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37492) 07/21/26 _x86_64_ (2 CPU) 01:58:38 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.41 0.03 1.38 0.00 1.24 16.32 0.12 02:20:02 14.49 0.26 1.67 12.55 31.19 76.85 109180.30 02:30:01 1.55 0.00 1.52 0.03 0.00 18.38 655.81 02:40:02 1.31 0.00 1.31 0.00 0.00 15.41 0.00 02:50:02 1.33 0.00 1.33 0.00 0.00 15.33 0.00 03:00:01 1.55 0.00 1.54 0.01 0.00 18.48 654.68 03:10:02 15.57 13.51 2.00 0.05 150.80 43.53 6.15 03:20:02 23.85 2.84 18.69 2.31 225.25 3550.73 1215.61 03:30:01 1.46 0.00 1.45 0.02 0.00 18.22 0.23 03:40:02 1.15 0.00 1.15 0.00 0.00 14.05 0.00 Average: 6.37 1.67 3.21 1.50 40.88 378.74 11171.02 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6271360 7523168 296960 3.65 30604 1427040 519168 5.65 443800 1187468 252 02:20:02 6225128 7504280 315308 3.88 30980 1453648 727624 7.93 458520 1205660 168 02:30:01 6226904 7506648 312892 3.85 31212 1453972 727800 7.93 458436 1206216 296 02:40:02 6228504 7508728 310808 3.82 31364 1454296 727864 7.93 458760 1206692 180 02:50:02 6228332 7509064 310448 3.82 31528 1454628 727872 7.93 458964 1207188 224 03:00:01 6237288 7518664 300824 3.70 31692 1455084 731576 7.97 459280 1207680 128 03:10:02 6175996 7514460 295952 3.64 35836 1499700 732304 7.98 461048 1255828 272 03:20:02 5090312 7369636 386996 4.76 91288 2339264 855244 9.32 619080 2105288 184 03:30:01 5082352 7362168 394356 4.85 91432 2339620 855684 9.32 619492 2105780 176 03:40:02 5076852 7357152 399400 4.91 91560 2339972 855684 9.32 619544 2106264 248 Average: 5884303 7467397 332394 4.09 49750 1721722 746082 8.13 505692 1479406 213 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.81 0.08 0.29 0.02 0.00 0.00 0.00 0.00 02:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 2.72 0.46 3.34 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.94 0.04 0.17 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 2.06 0.07 1.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.24 0.05 0.06 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.32 0.10 0.11 0.05 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 0.33 0.22 0.09 0.48 0.00 0.00 0.00 0.00 03:20:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:20:02 ens3 61.47 41.66 324.97 9.94 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 3.57 0.37 0.33 0.83 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 1.34 0.21 0.14 0.05 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 7.68 4.32 33.06 1.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37492) 07/21/26 _x86_64_ (2 CPU) 01:58:38 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.27 0.00 0.08 0.03 0.02 99.60 02:10:02 0 0.45 0.00 0.07 0.02 0.01 99.46 02:10:02 1 0.10 0.00 0.10 0.04 0.02 99.75 02:20:02 all 0.44 0.00 0.13 0.08 0.27 99.09 02:20:02 0 0.65 0.00 0.12 0.03 0.31 98.90 02:20:02 1 0.23 0.00 0.14 0.12 0.23 99.29 02:30:01 all 0.29 0.00 0.20 0.01 0.02 99.48 02:30:01 0 0.49 0.00 0.18 0.01 0.02 99.30 02:30:01 1 0.09 0.00 0.21 0.01 0.02 99.66 02:40:02 all 0.28 0.00 0.09 0.01 0.03 99.60 02:40:02 0 0.41 0.00 0.08 0.01 0.03 99.48 02:40:02 1 0.15 0.00 0.10 0.01 0.02 99.72 02:50:02 all 0.30 0.00 0.09 0.01 0.05 99.56 02:50:02 0 0.32 0.00 0.07 0.01 0.03 99.57 02:50:02 1 0.28 0.00 0.10 0.02 0.06 99.54 03:00:01 all 0.36 0.00 0.20 0.01 0.04 99.39 03:00:01 0 0.25 0.00 0.20 0.02 0.04 99.50 03:00:01 1 0.47 0.00 0.20 0.00 0.04 99.29 03:10:02 all 0.28 0.21 0.17 0.17 0.03 99.14 03:10:02 0 0.18 0.01 0.11 0.04 0.03 99.64 03:10:02 1 0.38 0.42 0.23 0.30 0.03 98.64 03:20:02 all 13.79 0.00 1.91 0.53 0.08 83.69 03:20:02 0 13.43 0.00 1.99 0.61 0.09 83.88 03:20:02 1 14.14 0.00 1.84 0.45 0.07 83.49 03:30:01 all 0.47 0.00 0.25 0.01 0.04 99.23 03:30:01 0 0.43 0.00 0.24 0.00 0.04 99.28 03:30:01 1 0.51 0.00 0.25 0.02 0.04 99.18 03:40:02 all 0.39 0.00 0.12 0.01 0.04 99.43 03:40:02 0 0.25 0.00 0.17 0.02 0.06 99.51 03:40:02 1 0.54 0.00 0.08 0.00 0.02 99.35 Average: all 1.68 0.02 0.32 0.09 0.06 97.82 Average: 0 1.68 0.00 0.32 0.08 0.07 97.86 Average: 1 1.69 0.04 0.33 0.10 0.06 97.79