---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4339 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 1004 13618 3 17468 30619 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:4c:49:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.132/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe4c:4963/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:28:96:2e:f7:9e 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::7428:96ff:fe2e:f79e/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-4339) 04/07/26 _x86_64_ (8 CPU) 08:14:38 LINUX RESTART (8 CPU) 08:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:19 282.81 0.48 272.46 9.87 21.52 47179.36 73908.28 08:40:01 11.34 0.36 10.67 0.31 10.87 444.42 2671.44 Average: 150.10 0.42 144.49 5.20 16.32 24333.19 39084.47 08:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:19 265148 19440372 12714160 38.69 593088 17713880 18469392 54.46 4692924 24240940 272 08:40:01 238732 18303244 13851164 42.15 572916 16640304 19627988 57.88 4512524 24467704 1644 Average: 251940 18871808 13282662 40.42 583002 17177092 19048690 56.17 4602724 24354322 958 08:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:19 lo 0.63 0.63 0.07 0.07 0.00 0.00 0.00 0.00 08:30:19 ens3 308.72 190.66 2308.53 57.67 0.00 0.00 0.00 0.00 08:30:19 docker0 19.35 33.25 1.10 666.52 0.00 0.00 0.00 0.00 08:30:19 br-f82621c8856c 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:30:19 veth98bd30d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 vethe398d6b 24.35 24.44 7.30 5.99 0.00 0.00 0.00 0.00 08:30:19 veth98fc07c 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 veth3c8deb4 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:30:19 veth60951a6 0.34 0.34 0.03 0.15 0.00 0.00 0.00 0.00 08:30:19 veth3d76d01 19.24 18.94 6.05 3.75 0.00 0.00 0.00 0.00 08:30:19 vethe966a88 0.19 0.27 0.31 1.09 0.00 0.00 0.00 0.00 08:30:19 vethe23c6aa 1.19 1.02 0.16 1.07 0.00 0.00 0.00 0.00 08:40:01 lo 7.36 7.36 35.89 35.89 0.00 0.00 0.00 0.00 08:40:01 ens3 11.38 9.07 4.59 4.38 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 br-f82621c8856c 4.03 3.93 35.10 0.87 0.00 0.00 0.00 0.00 08:40:01 veth98bd30d 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 08:40:01 vethe398d6b 286.46 309.05 224.27 148.16 0.00 0.00 0.00 0.02 08:40:01 veth98fc07c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 veth3c8deb4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 veth60951a6 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 08:40:01 veth3d76d01 128.34 117.97 112.02 74.81 0.00 0.00 0.00 0.01 08:40:01 vethe23c6aa 188.97 176.18 86.45 153.46 0.00 0.00 0.00 0.01 Average: lo 3.92 3.92 17.58 17.58 0.00 0.00 0.00 0.00 Average: ens3 163.37 101.89 1182.26 31.62 0.00 0.00 0.00 0.00 Average: docker0 9.89 17.00 0.56 340.70 0.00 0.00 0.00 0.00 Average: br-f82621c8856c 2.12 2.05 17.16 0.44 0.00 0.00 0.00 0.00 Average: veth98bd30d 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethe398d6b 152.48 163.57 113.36 75.49 0.00 0.00 0.00 0.01 Average: veth98fc07c 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3c8deb4 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth60951a6 0.37 0.28 0.05 0.24 0.00 0.00 0.00 0.00 Average: veth3d76d01 72.57 67.35 57.85 38.49 0.00 0.00 0.00 0.00 Average: vethe23c6aa 92.98 86.64 42.34 75.56 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4339) 04/07/26 _x86_64_ (8 CPU) 08:14:38 LINUX RESTART (8 CPU) 08:20:10 CPU %user %nice %system %iowait %steal %idle 08:30:19 all 21.49 0.02 3.02 0.97 0.08 74.42 08:30:19 0 18.31 0.02 3.04 1.09 0.07 77.48 08:30:19 1 22.99 0.02 3.24 1.34 0.09 72.33 08:30:19 2 20.57 0.01 2.82 0.71 0.08 75.81 08:30:19 3 21.59 0.02 2.91 0.98 0.07 74.43 08:30:19 4 23.63 0.02 2.89 0.62 0.07 72.77 08:30:19 5 20.53 0.04 3.03 0.81 0.08 75.52 08:30:19 6 22.90 0.02 3.18 0.99 0.08 72.83 08:30:19 7 21.44 0.01 3.03 1.25 0.08 74.19 08:40:01 all 7.46 0.00 1.10 0.03 0.07 91.33 08:40:01 0 7.04 0.00 1.12 0.02 0.07 91.74 08:40:01 1 7.69 0.00 1.17 0.05 0.07 91.01 08:40:01 2 7.46 0.00 1.31 0.04 0.07 91.11 08:40:01 3 7.39 0.00 1.17 0.02 0.08 91.34 08:40:01 4 6.94 0.00 1.05 0.05 0.07 91.88 08:40:01 5 6.67 0.00 0.99 0.02 0.07 92.24 08:40:01 6 8.33 0.00 1.01 0.02 0.07 90.56 08:40:01 7 8.17 0.00 0.98 0.01 0.07 90.76 Average: all 14.64 0.01 2.08 0.51 0.08 82.68 Average: 0 12.80 0.01 2.10 0.57 0.07 84.44 Average: 1 15.52 0.01 2.23 0.71 0.08 81.45 Average: 2 14.18 0.01 2.08 0.39 0.08 83.27 Average: 3 14.66 0.01 2.06 0.51 0.07 82.68 Average: 4 15.49 0.01 1.99 0.34 0.07 82.10 Average: 5 13.76 0.02 2.03 0.42 0.07 83.69 Average: 6 15.77 0.01 2.12 0.52 0.08 81.51 Average: 7 14.96 0.00 2.03 0.65 0.08 82.29