---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6822 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: 5600.00 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 930 19661 4 11500 30694 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:a0:4f:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.97/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84594sec preferred_lft 84594sec inet6 fe80::f816:3eff:fea0:4f2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:12:55:16:10:2c 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-6822) 04/28/26 _x86_64_ (8 CPU) 13:38:16 LINUX RESTART (8 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:05 384.20 4.98 373.54 5.67 271.28 23268.81 17043.75 14:00:06 10.28 0.24 8.92 1.12 2.90 1650.90 415.09 Average: 197.73 2.62 191.71 3.40 137.45 12488.40 8751.38 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:05 18435408 27150088 5100024 15.52 465952 7803668 5117800 15.09 1461248 11757688 28512 14:00:06 16016988 25160832 7082536 21.55 474076 8192144 10773472 31.77 1557080 14050248 5112 Average: 17226198 26155460 6091280 18.54 470014 7997906 7945636 23.43 1509164 12903968 16812 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:05 lo 1.04 1.04 0.73 0.73 0.00 0.00 0.00 0.00 13:50:05 ens3 431.11 258.53 1721.57 86.86 0.00 0.00 0.00 0.00 13:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:06 lo 6.27 6.27 1.03 1.03 0.00 0.00 0.00 0.00 14:00:06 ens3 145.35 87.53 104.94 51.67 0.00 0.00 0.00 0.00 14:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.65 3.65 0.88 0.88 0.00 0.00 0.00 0.00 Average: ens3 288.61 173.25 915.39 69.31 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-6822) 04/28/26 _x86_64_ (8 CPU) 13:38:16 LINUX RESTART (8 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:05 all 62.90 0.00 3.78 0.65 0.14 32.53 13:50:05 0 59.70 0.00 3.84 0.71 0.15 35.61 13:50:05 1 66.24 0.00 3.75 1.09 0.15 28.77 13:50:05 2 59.22 0.00 3.61 0.66 0.14 36.37 13:50:05 3 67.45 0.00 4.08 0.69 0.14 27.64 13:50:05 4 65.95 0.00 3.73 0.52 0.14 29.66 13:50:05 5 61.45 0.00 3.70 0.63 0.14 34.09 13:50:05 6 60.96 0.00 3.96 0.52 0.14 34.41 13:50:05 7 62.28 0.00 3.53 0.42 0.14 33.64 14:00:06 all 96.77 0.00 2.94 0.00 0.17 0.12 14:00:06 0 96.70 0.00 3.04 0.00 0.17 0.09 14:00:06 1 96.65 0.00 3.09 0.00 0.18 0.08 14:00:06 2 96.74 0.00 2.92 0.00 0.17 0.16 14:00:06 3 97.07 0.00 2.71 0.00 0.17 0.05 14:00:06 4 96.81 0.00 2.98 0.00 0.17 0.04 14:00:06 5 96.85 0.00 2.82 0.00 0.18 0.15 14:00:06 6 96.63 0.00 2.97 0.00 0.18 0.22 14:00:06 7 96.66 0.00 2.99 0.00 0.17 0.17 Average: all 79.83 0.00 3.36 0.33 0.16 16.33 Average: 0 78.19 0.00 3.44 0.35 0.16 17.86 Average: 1 81.44 0.00 3.42 0.55 0.16 14.43 Average: 2 77.96 0.00 3.27 0.33 0.15 18.29 Average: 3 82.26 0.00 3.39 0.34 0.16 13.84 Average: 4 81.37 0.00 3.36 0.26 0.16 14.85 Average: 5 79.15 0.00 3.26 0.31 0.16 17.12 Average: 6 78.80 0.00 3.47 0.26 0.16 17.32 Average: 7 79.46 0.00 3.26 0.21 0.16 16.91