---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-587 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 1083 19678 4 11330 30541 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b5:05:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.74/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84641sec preferred_lft 84641sec inet6 fe80::f816:3eff:feb5:5ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:ec:d1:f0:8f:cc brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-587) 04/11/26 _x86_64_ (8 CPU) 20:52:20 LINUX RESTART (8 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:08 13.72 0.56 12.15 1.01 13.99 2386.68 480.45 21:20:03 13.42 0.05 10.99 2.39 6.01 3338.97 7694.55 Average: 13.57 0.30 11.57 1.69 10.02 2860.94 4073.24 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:08 14397696 23285308 8959104 27.26 471176 7952008 10373744 30.59 1494508 15735404 3960 21:20:03 15100128 25413856 6822644 20.76 480452 9303588 14658064 43.22 1608736 14843680 578996 Average: 14748912 24349582 7890874 24.01 475814 8627798 12515904 36.91 1551622 15289542 291478 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:08 lo 6.79 6.79 1.88 1.88 0.00 0.00 0.00 0.00 21:10:08 ens3 167.55 95.65 157.05 43.52 0.00 0.00 0.00 0.00 21:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:03 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 21:20:03 ens3 119.04 66.24 144.85 32.41 0.00 0.00 0.00 0.00 21:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.08 4.08 1.02 1.02 0.00 0.00 0.00 0.00 Average: ens3 143.39 81.00 150.97 37.99 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-587) 04/11/26 _x86_64_ (8 CPU) 20:52:20 LINUX RESTART (8 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:08 all 82.69 0.00 2.59 0.01 0.10 14.61 21:10:08 0 82.35 0.00 2.91 0.01 0.09 14.63 21:10:08 1 85.29 0.00 2.44 0.01 0.10 12.17 21:10:08 2 83.18 0.00 2.48 0.00 0.10 14.24 21:10:08 3 81.13 0.00 2.48 0.01 0.11 16.28 21:10:08 4 81.26 0.00 2.67 0.00 0.10 15.97 21:10:08 5 81.53 0.00 2.51 0.01 0.10 15.85 21:10:08 6 81.35 0.00 2.72 0.03 0.09 15.80 21:10:08 7 85.40 0.00 2.55 0.00 0.10 11.95 21:20:03 all 95.56 0.00 2.99 0.00 0.11 1.33 21:20:03 0 95.58 0.00 3.20 0.00 0.10 1.12 21:20:03 1 95.66 0.00 2.93 0.00 0.13 1.27 21:20:03 2 95.48 0.00 2.90 0.00 0.11 1.51 21:20:03 3 95.40 0.00 3.06 0.02 0.12 1.40 21:20:03 4 95.62 0.00 2.64 0.00 0.12 1.63 21:20:03 5 95.70 0.00 2.88 0.01 0.12 1.29 21:20:03 6 95.46 0.00 3.30 0.00 0.10 1.13 21:20:03 7 95.59 0.00 3.00 0.01 0.11 1.29 Average: all 89.10 0.00 2.79 0.01 0.11 8.00 Average: 0 88.94 0.00 3.05 0.00 0.10 7.90 Average: 1 90.46 0.00 2.68 0.00 0.11 6.74 Average: 2 89.31 0.00 2.69 0.00 0.10 7.89 Average: 3 88.24 0.00 2.77 0.01 0.11 8.86 Average: 4 88.42 0.00 2.65 0.00 0.11 8.83 Average: 5 88.58 0.00 2.70 0.01 0.11 8.61 Average: 6 88.38 0.00 3.01 0.01 0.10 8.49 Average: 7 90.48 0.00 2.78 0.00 0.10 6.64