---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2748 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 842 12559 3 18691 30782 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:b9:30:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.19/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83780sec preferred_lft 83780sec inet6 fe80::f816:3eff:feb9:30f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:27:8f:a9:ef:72 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::9827:8fff:fea9:ef72/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-2748) 06/26/26 _x86_64_ (8 CPU) 10:05:13 LINUX RESTART (8 CPU) 10:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:00 497.97 5.53 480.94 11.50 381.70 29752.27 31003.98 10:30:05 252.72 0.45 243.37 8.90 21.68 45141.94 60051.15 10:40:01 11.11 0.27 10.59 0.25 13.75 351.13 1177.21 Average: 254.23 2.08 245.25 6.90 138.69 25199.93 30908.55 10:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:00 20717724 30215040 2030096 6.18 472864 8542632 2542356 7.50 2159240 8746792 99804 10:30:05 1847084 21485516 10667552 32.46 599372 18143564 17261064 50.90 4862344 22456528 1444 10:40:01 257860 19679072 12472104 37.95 588176 17934768 18579680 54.79 4897648 23995512 612 Average: 7607556 23793209 8389917 25.53 553471 14873655 12794367 37.73 3973077 18399611 33953 10:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:00 lo 0.61 0.61 0.07 0.07 0.00 0.00 0.00 0.00 10:20:00 ens3 282.34 184.81 2524.32 44.11 0.00 0.00 0.00 0.00 10:20:00 docker0 6.38 9.97 0.42 189.92 0.00 0.00 0.00 0.00 10:30:05 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 10:30:05 ens3 282.04 178.55 2190.10 56.85 0.00 0.00 0.00 0.00 10:30:05 docker0 19.58 36.24 1.13 671.29 0.00 0.00 0.00 0.00 10:30:05 br-d13c5036f4ad 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 10:30:05 vethaf655dd 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:30:05 vethdd68022 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 10:30:05 veth2b71ec8 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 10:30:05 veth8e06522 6.42 6.02 4.33 1.25 0.00 0.00 0.00 0.00 10:30:05 vethd6993dc 0.07 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:30:05 veth1684888 0.66 0.70 0.08 0.88 0.00 0.00 0.00 0.00 10:30:05 veth0976b9a 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 veth1746bb9 0.29 0.34 0.04 0.49 0.00 0.00 0.00 0.00 10:40:01 lo 3.55 3.55 10.08 10.08 0.00 0.00 0.00 0.00 10:40:01 ens3 5.69 3.84 2.22 2.68 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 br-d13c5036f4ad 1.90 1.79 9.57 0.55 0.00 0.00 0.00 0.00 10:40:01 vethaf655dd 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 vethdd68022 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 veth2b71ec8 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 10:40:01 veth8e06522 189.25 203.62 133.45 96.90 0.00 0.00 0.00 0.01 10:40:01 vethd6993dc 0.55 0.35 0.08 0.38 0.00 0.00 0.00 0.00 10:40:01 veth1684888 106.71 99.17 74.18 52.03 0.00 0.00 0.00 0.01 10:40:01 veth1746bb9 103.08 95.63 47.68 84.74 0.00 0.00 0.00 0.01 Average: lo 1.58 1.58 3.38 3.38 0.00 0.00 0.00 0.00 Average: ens3 190.66 122.79 1576.86 34.68 0.00 0.00 0.00 0.00 Average: docker0 8.71 15.51 0.52 289.10 0.00 0.00 0.00 0.00 Average: br-d13c5036f4ad 0.72 0.68 3.17 0.19 0.00 0.00 0.00 0.00 Average: vethaf655dd 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethdd68022 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2b71ec8 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth8e06522 64.81 69.43 45.64 32.50 0.00 0.00 0.00 0.00 Average: vethd6993dc 0.21 0.17 0.03 0.13 0.00 0.00 0.00 0.00 Average: veth1684888 35.55 33.07 24.59 17.52 0.00 0.00 0.00 0.00 Average: veth1746bb9 34.22 31.77 15.80 28.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-2748) 06/26/26 _x86_64_ (8 CPU) 10:05:13 LINUX RESTART (8 CPU) 10:10:02 CPU %user %nice %system %iowait %steal %idle 10:20:00 all 22.75 0.00 3.29 3.46 0.08 70.42 10:20:00 0 24.20 0.00 3.16 3.02 0.07 69.55 10:20:00 1 21.88 0.00 3.29 2.55 0.07 72.21 10:20:00 2 21.28 0.00 3.33 3.65 0.08 71.67 10:20:00 3 21.80 0.00 3.26 3.85 0.08 71.02 10:20:00 4 24.09 0.00 3.10 2.99 0.07 69.74 10:20:00 5 21.95 0.00 3.47 4.11 0.08 70.40 10:20:00 6 21.19 0.00 2.93 3.58 0.07 72.23 10:20:00 7 25.64 0.00 3.76 3.95 0.08 66.58 10:30:05 all 18.97 0.02 3.04 8.07 0.07 69.83 10:30:05 0 17.28 0.01 2.98 3.02 0.08 76.63 10:30:05 1 20.60 0.02 3.46 10.22 0.07 65.63 10:30:05 2 21.69 0.02 2.94 6.37 0.07 68.90 10:30:05 3 20.06 0.01 3.51 9.85 0.08 66.49 10:30:05 4 17.10 0.03 2.77 10.72 0.07 69.31 10:30:05 5 19.84 0.01 2.84 7.93 0.07 69.31 10:30:05 6 18.89 0.02 2.99 7.87 0.07 70.16 10:30:05 7 16.27 0.02 2.79 8.60 0.07 72.24 10:40:01 all 7.11 0.00 0.95 0.04 0.06 91.84 10:40:01 0 7.07 0.00 0.93 0.01 0.06 91.93 10:40:01 1 7.11 0.00 1.01 0.03 0.07 91.77 10:40:01 2 7.77 0.00 0.98 0.12 0.07 91.05 10:40:01 3 7.95 0.00 0.95 0.02 0.07 91.01 10:40:01 4 7.15 0.00 0.82 0.02 0.06 91.95 10:40:01 5 7.25 0.00 0.97 0.09 0.06 91.63 10:40:01 6 6.32 0.00 0.90 0.03 0.06 92.70 10:40:01 7 6.24 0.00 0.98 0.04 0.06 92.68 Average: all 16.30 0.01 2.43 3.88 0.07 77.31 Average: 0 16.21 0.01 2.36 2.03 0.07 79.33 Average: 1 16.56 0.01 2.59 4.30 0.07 76.47 Average: 2 16.95 0.01 2.42 3.40 0.08 77.14 Average: 3 16.64 0.01 2.58 4.61 0.08 76.09 Average: 4 16.13 0.01 2.23 4.60 0.07 76.96 Average: 5 16.37 0.01 2.43 4.07 0.07 77.05 Average: 6 15.49 0.01 2.28 3.85 0.07 78.30 Average: 7 16.07 0.01 2.51 4.22 0.07 77.12