---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16119 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 797 5102 4 2339 7144 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:78:cd:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80649sec preferred_lft 80649sec inet6 fe80::f816:3eff:fe78:cd59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16119) 05/18/26 _x86_64_ (2 CPU) 00:41:29 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 15.53 13.55 1.91 0.07 151.18 44.73 7.23 01:10:01 14.35 0.26 1.49 12.61 31.13 73.50 109232.56 01:20:01 1.28 0.01 1.27 0.01 1.07 15.45 0.29 01:30:01 1.55 0.00 1.54 0.02 0.00 19.24 0.25 01:40:01 1.32 0.00 1.32 0.00 0.00 16.12 0.00 01:50:01 1.77 0.40 1.37 0.00 15.83 47.45 0.00 02:00:01 23.43 2.60 18.57 2.26 210.24 3211.05 977.74 02:10:01 1.44 0.00 1.41 0.03 0.35 67.88 1.08 Average: 7.59 2.10 3.61 1.87 51.23 436.97 13772.83 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6211916 7520720 290808 3.58 34768 1471340 524380 5.71 451024 1235352 272 01:10:01 6161960 7497536 313188 3.85 35156 1497360 719216 7.83 465512 1252976 268 01:20:01 6173160 7509552 301316 3.71 35328 1497996 524480 5.71 460824 1253472 216 01:30:01 6174532 7511588 299232 3.68 35508 1498452 524648 5.71 460768 1253976 244 01:40:01 6174532 7512104 298716 3.67 35684 1498780 524792 5.72 460996 1254484 152 01:50:01 6154508 7507292 303300 3.73 35980 1513484 562280 6.12 497176 1267960 384 02:00:01 5185432 7371580 390584 4.80 89068 2252616 665000 7.24 624328 2016580 296 02:10:01 5173788 7375396 386756 4.76 89252 2267912 666740 7.26 626528 2031940 568 Average: 5926228 7475721 322988 3.97 48843 1687242 588942 6.41 505894 1445842 300 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.87 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.22 0.25 13.83 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.48 0.18 0.11 0.60 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 14.13 6.09 24.17 2.68 0.00 0.00 0.00 0.00 02:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 65.56 48.86 281.43 9.37 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 47.19 43.46 10.42 5.82 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 16.27 12.38 41.29 2.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16119) 05/18/26 _x86_64_ (2 CPU) 00:41:29 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.18 0.26 0.15 0.02 99.10 01:00:01 0 0.15 0.37 0.31 0.30 0.02 98.85 01:00:01 1 0.41 0.00 0.20 0.01 0.02 99.36 01:10:01 all 0.38 0.00 0.11 0.04 0.02 99.45 01:10:01 0 0.27 0.00 0.16 0.06 0.02 99.49 01:10:01 1 0.48 0.00 0.07 0.02 0.02 99.41 01:20:01 all 0.27 0.00 0.08 0.01 0.02 99.62 01:20:01 0 0.06 0.00 0.09 0.01 0.03 99.81 01:20:01 1 0.49 0.00 0.06 0.01 0.02 99.42 01:30:01 all 0.30 0.00 0.16 0.01 0.02 99.51 01:30:01 0 0.47 0.00 0.15 0.02 0.02 99.35 01:30:01 1 0.14 0.00 0.17 0.00 0.03 99.66 01:40:01 all 0.25 0.00 0.08 0.01 0.02 99.64 01:40:01 0 0.30 0.00 0.07 0.01 0.02 99.60 01:40:01 1 0.20 0.00 0.08 0.01 0.02 99.69 01:50:01 all 0.51 0.00 0.11 0.01 0.02 99.35 01:50:01 0 0.74 0.00 0.07 0.01 0.02 99.16 01:50:01 1 0.27 0.00 0.14 0.02 0.03 99.54 02:00:01 all 13.34 0.00 1.93 2.33 0.06 82.33 02:00:01 0 12.27 0.00 1.87 2.61 0.06 83.20 02:00:01 1 14.40 0.00 2.00 2.05 0.07 81.48 02:10:01 all 6.01 0.00 0.53 0.02 0.06 93.38 02:10:01 0 6.18 0.00 0.51 0.02 0.06 93.23 02:10:01 1 5.83 0.00 0.56 0.01 0.07 93.54 Average: all 2.66 0.02 0.41 0.32 0.03 96.56 Average: 0 2.54 0.05 0.40 0.38 0.03 96.60 Average: 1 2.77 0.00 0.41 0.26 0.03 96.52