---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2402 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 777 20195 4 11118 30846 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:56:cd:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.235/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84735sec preferred_lft 84735sec inet6 fe80::f816:3eff:fe56:cd3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:51:74:e4:25:06 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-2402) 03/31/26 _x86_64_ (8 CPU) 13:13:08 LINUX RESTART (8 CPU) 13:20:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 14.49 0.60 12.82 1.07 14.29 2582.63 686.52 13:40:01 16.53 0.06 13.91 2.55 6.39 5388.77 14752.18 Average: 15.53 0.33 13.38 1.82 10.26 4011.44 7848.36 13:20:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 17434004 26094564 6151956 18.72 468460 7743444 8892092 26.22 1476320 12754728 3552 13:40:01 17868592 28106968 4134672 12.58 480724 9251268 3690080 10.88 1626740 12095536 137512 Average: 17651298 27100766 5143314 15.65 474592 8497356 6291086 18.55 1551530 12425132 70532 13:20:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 7.27 7.27 1.97 1.97 0.00 0.00 0.00 0.00 13:30:01 ens3 198.71 121.85 172.61 54.36 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1.06 1.06 0.12 0.12 0.00 0.00 0.00 0.00 13:40:01 ens3 132.47 82.43 155.96 34.85 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.11 4.11 1.03 1.03 0.00 0.00 0.00 0.00 Average: ens3 164.98 101.78 164.14 44.43 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-2402) 03/31/26 _x86_64_ (8 CPU) 13:13:08 LINUX RESTART (8 CPU) 13:20:22 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 87.66 0.00 2.62 0.01 0.13 9.59 13:30:01 0 87.09 0.00 2.74 0.00 0.13 10.03 13:30:01 1 89.30 0.00 2.46 0.02 0.13 8.10 13:30:01 2 88.61 0.00 2.56 0.00 0.13 8.69 13:30:01 3 88.34 0.00 2.58 0.01 0.12 8.95 13:30:01 4 87.24 0.00 2.55 0.00 0.13 10.08 13:30:01 5 87.08 0.00 2.68 0.00 0.13 10.12 13:30:01 6 85.10 0.00 2.64 0.01 0.13 12.12 13:30:01 7 88.51 0.00 2.75 0.01 0.13 8.61 13:40:01 all 93.54 0.00 2.87 0.02 0.13 3.44 13:40:01 0 93.33 0.00 2.93 0.01 0.13 3.60 13:40:01 1 93.50 0.00 2.77 0.00 0.13 3.60 13:40:01 2 93.31 0.00 2.68 0.05 0.13 3.83 13:40:01 3 93.42 0.00 2.85 0.07 0.13 3.54 13:40:01 4 93.68 0.00 2.92 0.00 0.13 3.27 13:40:01 5 93.05 0.00 2.83 0.00 0.13 3.99 13:40:01 6 92.94 0.00 3.01 0.00 0.14 3.91 13:40:01 7 95.10 0.00 2.99 0.00 0.14 1.77 Average: all 90.66 0.00 2.75 0.01 0.13 6.45 Average: 0 90.27 0.00 2.84 0.01 0.13 6.76 Average: 1 91.43 0.00 2.62 0.01 0.13 5.81 Average: 2 91.01 0.00 2.62 0.02 0.13 6.21 Average: 3 90.93 0.00 2.72 0.04 0.13 6.19 Average: 4 90.52 0.00 2.74 0.00 0.13 6.61 Average: 5 90.12 0.00 2.76 0.00 0.13 6.99 Average: 6 89.10 0.00 2.83 0.00 0.13 7.94 Average: 7 91.87 0.00 2.87 0.00 0.13 5.13