---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18975 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 14G 142G 9% / 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 715 24619 4 6757 30909 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:da:6a:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.120/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84240sec preferred_lft 84240sec inet6 fe80::f816:3eff:feda:6aea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a9:7e:cf:b0:75 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::10a9:7eff:fecf:b075/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-18975) 02/21/26 _x86_64_ (8 CPU) 14:45:53 LINUX RESTART (8 CPU) 14:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:02 6.41 0.58 5.29 0.53 610.37 889.99 20794.96 15:10:02 1.31 0.21 1.11 0.00 1.76 13.91 146.35 15:20:02 104.04 4.60 95.83 3.62 639.47 16342.73 4197.39 Average: 37.25 1.80 34.08 1.38 417.20 5748.88 8379.56 14:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:02 29739664 31772220 607772 1.85 65876 2302216 1521568 4.49 377008 2454684 212 15:10:02 29733952 31767516 612324 1.86 66788 2302204 1521956 4.49 377928 2461104 220 15:20:02 23571840 30166964 2092920 6.37 184960 6556508 4822796 14.22 1039292 7620116 1008 Average: 27681819 31235567 1104339 3.36 105875 3720309 2622107 7.73 598076 4178635 480 14:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:02 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 15:00:02 ens3 14.19 8.14 268.28 0.84 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:02 ens3 0.39 0.23 0.15 0.25 0.00 0.00 0.00 0.00 15:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:02 lo 1.38 1.38 0.13 0.13 0.00 0.00 0.00 0.00 15:20:02 ens3 74.18 47.30 1491.50 7.95 0.00 0.00 0.00 0.00 15:20:02 docker0 3.83 5.93 0.37 139.63 0.00 0.00 0.00 0.00 15:20:02 br-fa8bea35528c 1.21 2.16 0.08 37.56 0.00 0.00 0.00 0.00 15:20:02 veth6f0065b 0.04 0.09 0.00 0.10 0.00 0.00 0.00 0.00 15:20:02 veth867b8cc 56.27 58.60 13.19 7.19 0.00 0.00 0.00 0.00 15:20:02 veth38fa2f8 1.17 2.19 0.10 37.56 0.00 0.00 0.00 0.00 15:20:02 veth1fb19e3 51.32 51.11 6.88 12.55 0.00 0.00 0.00 0.00 15:20:02 veth2cca8f4 0.34 0.31 0.22 0.62 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 29.59 18.55 586.64 3.01 0.00 0.00 0.00 0.00 Average: docker0 1.28 1.98 0.12 46.54 0.00 0.00 0.00 0.00 Average: br-fa8bea35528c 0.40 0.72 0.03 12.52 0.00 0.00 0.00 0.00 Average: veth6f0065b 0.01 0.03 0.00 0.03 0.00 0.00 0.00 0.00 Average: veth867b8cc 18.76 19.53 4.40 2.40 0.00 0.00 0.00 0.00 Average: veth38fa2f8 0.39 0.73 0.03 12.52 0.00 0.00 0.00 0.00 Average: veth1fb19e3 17.11 17.04 2.29 4.18 0.00 0.00 0.00 0.00 Average: veth2cca8f4 0.11 0.10 0.07 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-18975) 02/21/26 _x86_64_ (8 CPU) 14:45:53 LINUX RESTART (8 CPU) 14:50:02 CPU %user %nice %system %iowait %steal %idle 15:00:02 all 0.27 0.00 0.10 0.10 0.01 99.53 15:00:02 0 0.26 0.00 0.09 0.05 0.01 99.60 15:00:02 1 0.19 0.00 0.10 0.02 0.01 99.68 15:00:02 2 0.21 0.00 0.09 0.05 0.01 99.64 15:00:02 3 0.36 0.00 0.09 0.09 0.01 99.44 15:00:02 4 0.32 0.00 0.12 0.40 0.02 99.14 15:00:02 5 0.21 0.00 0.08 0.07 0.01 99.63 15:00:02 6 0.30 0.00 0.10 0.04 0.01 99.56 15:00:02 7 0.28 0.00 0.11 0.09 0.01 99.51 15:10:02 all 0.11 0.00 0.02 0.00 0.01 99.86 15:10:02 0 0.02 0.00 0.01 0.00 0.00 99.97 15:10:02 1 0.03 0.00 0.03 0.00 0.03 99.91 15:10:02 2 0.04 0.00 0.01 0.00 0.02 99.93 15:10:02 3 0.74 0.00 0.03 0.00 0.01 99.22 15:10:02 4 0.02 0.00 0.02 0.00 0.01 99.96 15:10:02 5 0.01 0.00 0.02 0.00 0.01 99.96 15:10:02 6 0.00 0.00 0.00 0.00 0.00 99.99 15:10:02 7 0.02 0.00 0.02 0.03 0.01 99.92 15:20:02 all 4.60 0.00 1.24 1.31 0.04 92.80 15:20:02 0 4.05 0.00 1.08 1.61 0.03 93.23 15:20:02 1 6.40 0.00 1.18 0.52 0.05 91.86 15:20:02 2 5.39 0.00 1.52 1.42 0.05 91.62 15:20:02 3 5.12 0.00 1.36 0.85 0.05 92.62 15:20:02 4 3.26 0.00 0.95 1.04 0.04 94.71 15:20:02 5 5.03 0.00 1.35 0.95 0.04 92.62 15:20:02 6 4.18 0.00 1.26 1.12 0.03 93.40 15:20:02 7 3.37 0.00 1.25 2.99 0.03 92.36 Average: all 1.65 0.00 0.45 0.47 0.02 97.41 Average: 0 1.44 0.00 0.39 0.55 0.01 97.60 Average: 1 2.20 0.00 0.43 0.18 0.03 97.15 Average: 2 1.87 0.00 0.54 0.49 0.03 97.08 Average: 3 2.06 0.00 0.49 0.31 0.02 97.11 Average: 4 1.20 0.00 0.36 0.48 0.02 97.94 Average: 5 1.74 0.00 0.48 0.34 0.02 97.42 Average: 6 1.49 0.00 0.45 0.39 0.01 97.66 Average: 7 1.22 0.00 0.46 1.03 0.02 97.28