---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2328 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 25G 131G 16% / 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 852 12464 4 18775 30772 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:a3:33:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.34/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84171sec preferred_lft 84171sec inet6 fe80::f816:3eff:fea3:330f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:24:1b:3a:ad:63 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 inet6 fe80::d424:1bff:fe3a:ad63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2328) 03/16/26 _x86_64_ (8 CPU) 09:50:18 LINUX RESTART (8 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 269.13 0.39 258.48 10.25 17.12 38575.40 24093.44 10:20:18 10.53 0.12 10.13 0.27 5.17 394.94 1362.34 Average: 137.46 0.26 132.03 5.17 11.03 19135.46 12519.69 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 3030964 22294072 9860196 30.00 594524 17787216 16001616 47.19 4785160 21374504 360 10:20:18 1002936 20342444 11810204 35.94 595808 17856484 17219212 50.78 4845048 23333032 576 Average: 2016950 21318258 10835200 32.97 595166 17821850 16610414 48.98 4815104 22353768 468 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 10:10:01 ens3 159.86 108.38 2015.71 24.77 0.00 0.00 0.00 0.00 10:10:01 docker0 18.17 25.29 1.00 305.55 0.00 0.00 0.00 0.00 10:10:01 br-9d1721be204e 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 10:10:01 vethc01b33e 0.17 0.23 0.02 0.01 0.00 0.00 0.00 0.00 10:10:01 veth5306801 7.02 6.95 4.66 1.34 0.00 0.00 0.00 0.00 10:10:01 vethb752273 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:10:01 veth6ac76e1 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 10:10:01 vethd2972f6 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:10:01 veth755b02e 1.31 1.31 0.14 0.97 0.00 0.00 0.00 0.00 10:10:01 vethb978ff1 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 veth78b8362 0.66 0.61 0.09 0.74 0.00 0.00 0.00 0.00 10:20:18 lo 5.52 5.52 25.10 25.10 0.00 0.00 0.00 0.00 10:20:18 ens3 12.88 9.24 5.04 5.11 0.00 0.00 0.00 0.00 10:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:18 br-9d1721be204e 3.00 2.92 24.46 0.70 0.00 0.00 0.00 0.00 10:20:18 vethc01b33e 0.48 0.28 0.07 0.41 0.00 0.00 0.00 0.00 10:20:18 veth5306801 239.86 258.42 177.71 121.81 0.00 0.00 0.00 0.01 10:20:18 vethb752273 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:18 veth6ac76e1 0.22 0.20 0.02 0.08 0.00 0.00 0.00 0.00 10:20:18 vethd2972f6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:18 veth755b02e 124.61 115.33 96.61 64.07 0.00 0.00 0.00 0.01 10:20:18 veth78b8362 141.28 131.44 64.92 117.34 0.00 0.00 0.00 0.01 Average: lo 3.12 3.12 12.81 12.81 0.00 0.00 0.00 0.00 Average: ens3 85.03 57.90 991.96 14.76 0.00 0.00 0.00 0.00 Average: docker0 8.92 12.42 0.49 149.98 0.00 0.00 0.00 0.00 Average: br-9d1721be204e 1.67 1.61 12.46 0.36 0.00 0.00 0.00 0.00 Average: vethc01b33e 0.33 0.26 0.05 0.22 0.00 0.00 0.00 0.00 Average: veth5306801 125.58 134.99 92.77 62.68 0.00 0.00 0.00 0.01 Average: vethb752273 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6ac76e1 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: vethd2972f6 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth755b02e 64.09 59.36 49.26 33.10 0.00 0.00 0.00 0.00 Average: veth78b8362 72.26 67.22 33.10 60.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2328) 03/16/26 _x86_64_ (8 CPU) 09:50:18 LINUX RESTART (8 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 17.16 0.02 2.66 0.69 0.07 79.40 10:10:01 0 17.21 0.01 2.99 0.81 0.08 78.90 10:10:01 1 20.28 0.01 2.71 0.49 0.07 76.43 10:10:01 2 17.67 0.01 2.40 0.36 0.07 79.50 10:10:01 3 18.30 0.02 2.91 0.43 0.07 78.28 10:10:01 4 16.00 0.02 2.79 1.31 0.07 79.81 10:10:01 5 14.43 0.02 2.36 0.92 0.06 82.22 10:10:01 6 18.51 0.02 2.85 0.48 0.06 78.07 10:10:01 7 14.88 0.02 2.28 0.74 0.06 82.02 10:20:18 all 7.83 0.00 1.02 0.02 0.06 91.06 10:20:18 0 7.31 0.00 0.98 0.02 0.06 91.63 10:20:18 1 6.56 0.00 1.03 0.02 0.07 92.33 10:20:18 2 7.90 0.00 1.05 0.04 0.07 90.94 10:20:18 3 8.11 0.00 1.08 0.02 0.06 90.73 10:20:18 4 8.35 0.00 1.05 0.02 0.06 90.51 10:20:18 5 8.02 0.00 1.02 0.02 0.07 90.87 10:20:18 6 7.84 0.00 1.04 0.05 0.06 91.00 10:20:18 7 8.59 0.00 0.87 0.01 0.06 90.47 Average: all 12.42 0.01 1.82 0.35 0.06 85.33 Average: 0 12.18 0.00 1.97 0.41 0.07 85.37 Average: 1 13.31 0.01 1.86 0.25 0.07 84.51 Average: 2 12.71 0.01 1.71 0.19 0.07 85.31 Average: 3 13.12 0.01 1.98 0.22 0.06 84.61 Average: 4 12.11 0.01 1.91 0.65 0.06 85.26 Average: 5 11.17 0.01 1.68 0.46 0.06 86.62 Average: 6 13.08 0.01 1.93 0.26 0.06 84.65 Average: 7 11.68 0.01 1.56 0.37 0.06 86.32