---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2475 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 22% / 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 792 5156 4 2286 7148 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:6f:4c:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81044sec preferred_lft 81044sec inet6 fe80::f816:3eff:fe6f:4c65/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2475) 08/06/26 _x86_64_ (2 CPU) 00:42:16 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.51 0.01 1.48 0.02 0.05 18.45 853.68 01:10:00 2.24 0.71 1.51 0.02 94.13 74.95 56.84 01:20:00 1.34 0.00 1.32 0.02 0.01 16.04 0.81 01:30:00 1.51 0.00 1.47 0.03 0.00 18.51 828.87 01:40:00 1.36 0.00 1.34 0.02 0.00 16.16 0.88 01:50:00 15.95 1.59 13.44 0.93 114.69 1983.73 201.13 02:00:00 28.11 1.41 11.48 15.22 115.19 1514.17 107904.95 02:10:00 1.85 0.04 1.34 0.47 1.37 41.53 1242.15 Average: 6.73 0.47 4.17 2.09 40.68 460.44 13886.16 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6271308 7521732 299496 3.68 31076 1425236 518520 5.65 443496 1188248 124 01:10:00 6230728 7510424 310020 3.81 31548 1453656 714340 7.78 460252 1206824 164 01:20:00 6231040 7511288 309148 3.80 31768 1453980 714404 7.78 460524 1207368 168 01:30:00 6232088 7512980 307408 3.78 31988 1454368 714564 7.78 460972 1207912 168 01:40:00 6246004 7527432 292940 3.60 32200 1454688 714564 7.78 461084 1208440 124 01:50:00 5360784 7305036 475092 5.84 72072 2043364 867180 9.45 636688 1820160 105712 02:00:00 5099652 7316532 449940 5.53 88764 2287768 858152 9.35 632868 2051972 404 02:10:00 5334800 7371716 403656 4.96 88996 2115632 829556 9.04 631044 1879860 9936 Average: 5875800 7447142 355962 4.38 51052 1711086 741410 8.08 523366 1471348 14600 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.94 0.06 0.08 0.02 0.00 0.00 0.00 0.00 01:10:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.73 0.30 3.28 0.05 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 0.33 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.56 0.24 0.18 0.51 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.30 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:50:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:00 ens3 37.63 24.29 278.25 6.01 0.00 0.00 0.00 0.00 02:00:00 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:00:00 ens3 35.68 25.80 64.10 6.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 14.14 11.67 103.34 3.58 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 11.29 7.81 56.18 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2475) 08/06/26 _x86_64_ (2 CPU) 00:42:16 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.25 0.00 0.17 0.01 0.03 99.54 01:00:00 0 0.25 0.00 0.18 0.02 0.03 99.53 01:00:00 1 0.24 0.00 0.17 0.00 0.03 99.56 01:10:00 all 0.34 0.00 0.12 0.21 0.04 99.29 01:10:00 0 0.26 0.00 0.11 0.18 0.06 99.40 01:10:00 1 0.43 0.00 0.12 0.23 0.03 99.18 01:20:00 all 0.24 0.00 0.07 0.01 0.03 99.66 01:20:00 0 0.06 0.00 0.08 0.00 0.04 99.83 01:20:00 1 0.42 0.00 0.06 0.02 0.02 99.48 01:30:00 all 0.27 0.00 0.17 0.01 0.03 99.51 01:30:00 0 0.27 0.00 0.17 0.02 0.03 99.52 01:30:00 1 0.28 0.00 0.18 0.01 0.03 99.51 01:40:00 all 0.23 0.00 0.07 0.03 0.03 99.64 01:40:00 0 0.16 0.00 0.08 0.05 0.03 99.69 01:40:00 1 0.31 0.00 0.07 0.00 0.03 99.60 01:50:00 all 6.52 0.00 1.02 0.67 0.04 91.75 01:50:00 0 3.41 0.00 0.87 0.72 0.03 94.97 01:50:00 1 9.64 0.00 1.17 0.62 0.06 88.51 02:00:00 all 6.41 0.00 1.25 0.33 0.08 91.93 02:00:00 0 9.98 0.00 1.54 0.23 0.07 88.17 02:00:00 1 2.84 0.00 0.95 0.43 0.10 95.69 02:10:00 all 1.20 0.00 0.30 0.02 0.09 98.40 02:10:00 0 0.86 0.00 0.24 0.02 0.05 98.84 02:10:00 1 1.54 0.00 0.37 0.01 0.13 97.95 Average: all 1.93 0.00 0.40 0.16 0.05 97.47 Average: 0 1.90 0.00 0.41 0.16 0.04 97.49 Average: 1 1.96 0.00 0.38 0.16 0.05 97.44