---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25758 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 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 788 5076 4 2369 7153 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:25:be:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80792sec preferred_lft 80792sec inet6 fe80::f816:3eff:fe25:be50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25758) 06/08/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 13.81 0.03 1.29 12.49 1.38 15.76 108824.79 02:20:33 1.24 0.01 1.22 0.01 0.06 14.91 0.81 02:30:01 1.42 0.00 1.39 0.03 0.00 16.93 461.28 02:40:13 1.15 0.00 1.13 0.02 0.00 13.97 1.07 02:50:43 1.70 0.24 1.43 0.03 29.50 70.52 1.21 03:00:01 1.49 0.01 1.45 0.03 1.13 18.32 470.03 03:10:33 22.72 2.84 17.71 2.16 215.91 3287.88 661.84 03:20:43 1.44 0.00 1.44 0.00 0.00 64.86 0.03 03:30:01 5.66 0.08 4.22 1.35 6.21 523.73 1784.69 Average: 5.72 0.37 3.55 1.80 29.64 463.37 12490.35 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6284628 7535072 285484 3.51 30640 1425460 521644 5.68 446788 1187412 220 02:20:33 6284724 7535744 284804 3.50 30880 1425792 521780 5.68 446780 1187984 124 02:30:01 6285960 7537520 283040 3.48 31076 1426120 521788 5.68 446868 1188504 160 02:40:13 6293772 7545880 274652 3.38 31292 1426444 521788 5.68 447124 1189048 212 02:50:43 6237036 7515908 304132 3.74 31676 1452476 717852 7.82 461636 1206700 120 03:00:01 6245916 7525812 294216 3.62 31884 1453244 522720 5.69 456972 1207236 276 03:10:33 5202468 7415152 352076 4.33 87020 2285844 631420 6.88 591436 2049396 2380 03:20:43 5187636 7413056 354172 4.36 87196 2298388 633916 6.90 593588 2062132 552 03:30:01 5280956 7402112 374280 4.60 89472 2199996 594868 6.48 601680 1964504 12956 Average: 5922566 7491806 311873 3.83 50126 1710418 576420 6.28 499208 1471435 1889 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.13 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:33 ens3 0.41 0.04 0.05 0.01 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 0.31 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.48 0.07 0.13 0.06 0.00 0.00 0.00 0.00 02:50:43 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:43 ens3 0.53 0.23 3.02 0.05 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 0.52 0.18 0.14 0.59 0.00 0.00 0.00 0.00 03:10:33 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:33 ens3 79.27 58.74 304.38 12.45 0.00 0.00 0.00 0.00 03:20:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:43 ens3 39.34 35.39 8.17 4.83 0.00 0.00 0.00 0.00 03:30:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 03:30:01 ens3 45.62 40.51 29.73 22.76 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 18.82 15.13 40.04 4.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25758) 06/08/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.26 0.00 0.09 0.03 0.03 99.58 02:10:03 0 0.38 0.00 0.07 0.01 0.03 99.51 02:10:03 1 0.15 0.00 0.11 0.05 0.04 99.66 02:20:33 all 0.27 0.00 0.07 0.23 0.03 99.40 02:20:33 0 0.06 0.00 0.08 0.44 0.04 99.38 02:20:33 1 0.47 0.00 0.06 0.01 0.03 99.43 02:30:01 all 0.27 0.00 0.16 0.01 0.04 99.53 02:30:01 0 0.47 0.00 0.14 0.01 0.02 99.36 02:30:01 1 0.07 0.00 0.17 0.02 0.05 99.70 02:40:13 all 0.27 0.00 0.07 0.01 0.03 99.62 02:40:13 0 0.28 0.00 0.05 0.02 0.03 99.61 02:40:13 1 0.26 0.00 0.08 0.00 0.03 99.63 02:50:43 all 0.39 0.00 0.10 0.02 0.03 99.45 02:50:43 0 0.50 0.00 0.07 0.03 0.03 99.37 02:50:43 1 0.28 0.00 0.13 0.02 0.03 99.53 03:00:01 all 0.30 0.00 0.15 0.01 0.03 99.51 03:00:01 0 0.13 0.00 0.17 0.02 0.04 99.65 03:00:01 1 0.46 0.00 0.14 0.01 0.03 99.36 03:10:33 all 13.86 0.00 1.80 0.50 0.07 83.77 03:10:33 0 13.61 0.00 1.78 0.66 0.07 83.88 03:10:33 1 14.10 0.00 1.83 0.34 0.07 83.66 03:20:43 all 5.61 0.00 0.49 0.01 0.06 93.82 03:20:43 0 4.83 0.00 0.45 0.01 0.06 94.65 03:20:43 1 6.39 0.00 0.54 0.01 0.06 93.00 03:30:01 all 12.00 0.00 0.93 0.10 0.07 86.91 03:30:01 0 14.13 0.00 0.92 0.04 0.08 84.83 03:30:01 1 9.86 0.00 0.94 0.16 0.06 88.98 Average: all 3.68 0.00 0.43 0.11 0.05 95.74 Average: 0 3.79 0.00 0.42 0.14 0.05 95.61 Average: 1 3.57 0.00 0.45 0.07 0.04 95.87