---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1636 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 22G 134G 14% / 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 841 16433 4 14817 30783 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:35:bd:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.218/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85046sec preferred_lft 85046sec inet6 fe80::f816:3eff:fe35:bdab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:31:8b:ef:28:23 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::9031:8bff:feef:2823/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1636) 07/23/26 _x86_64_ (8 CPU) 10:09:39 LINUX RESTART (8 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 201.81 11.23 181.98 8.59 1639.18 37379.15 54706.81 10:30:06 140.10 2.95 130.99 6.16 365.88 26914.66 6670.15 Average: 170.88 7.08 156.43 7.38 1001.02 32134.50 30631.51 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 21701116 30116152 2178136 6.63 153696 8391604 2472312 7.29 2267112 8298708 316 10:30:06 13046596 27843284 4378140 13.32 262724 14360800 11327888 33.40 3190340 15629512 1152 Average: 17373856 28979718 3278138 9.98 208210 11376202 6900100 20.35 2728726 11964110 734 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 10:20:01 ens3 231.49 159.66 1466.38 40.92 0.00 0.00 0.00 0.00 10:20:01 docker0 5.93 8.58 0.32 103.23 0.00 0.00 0.00 0.00 10:30:06 lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 10:30:06 ens3 104.49 63.21 2711.44 9.05 0.00 0.00 0.00 0.00 10:30:06 docker0 7.27 10.93 0.55 150.65 0.00 0.00 0.00 0.00 10:30:06 br-31ef37dac8f2 2.37 3.53 0.14 34.62 0.00 0.00 0.00 0.00 10:30:06 veth51c6768 27.93 31.49 21.98 5.77 0.00 0.00 0.00 0.00 10:30:06 veth3327108 56.42 41.09 11.26 7.44 0.00 0.00 0.00 0.00 10:30:06 veth1d5caf0 5.46 5.58 0.49 6.06 0.00 0.00 0.00 0.00 10:30:06 veth3a58fb4 10.67 10.91 1.18 70.93 0.00 0.00 0.00 0.01 10:30:06 veth2f7bcfd 7.73 10.23 6.92 1.68 0.00 0.00 0.00 0.00 10:30:06 veth0582900 9.00 11.80 7.76 2.36 0.00 0.00 0.00 0.00 10:30:06 vethb9b8ecc 9.86 12.60 8.92 2.48 0.00 0.00 0.00 0.00 10:30:06 veth68bd4ae 8.88 11.76 7.82 2.35 0.00 0.00 0.00 0.00 10:30:06 veth791ed1d 2.16 3.58 0.16 34.59 0.00 0.00 0.00 0.00 10:30:06 veth5c38610 8.09 10.61 7.31 1.99 0.00 0.00 0.00 0.00 10:30:06 veth7672984 23.84 23.69 26.57 11.71 0.00 0.00 0.00 0.00 10:30:06 veth9b2e68a 23.38 23.27 26.56 12.95 0.00 0.00 0.00 0.00 10:30:06 veth215a45a 2.97 2.52 0.63 1.76 0.00 0.00 0.00 0.00 Average: lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 167.84 111.32 2090.39 24.94 0.00 0.00 0.00 0.00 Average: docker0 6.60 9.75 0.44 127.00 0.00 0.00 0.00 0.00 Average: br-31ef37dac8f2 1.19 1.77 0.07 17.35 0.00 0.00 0.00 0.00 Average: veth51c6768 14.00 15.78 11.02 2.89 0.00 0.00 0.00 0.00 Average: veth3327108 28.28 20.59 5.64 3.73 0.00 0.00 0.00 0.00 Average: veth1d5caf0 2.74 2.80 0.24 3.04 0.00 0.00 0.00 0.00 Average: veth3a58fb4 5.35 5.47 0.59 35.55 0.00 0.00 0.00 0.00 Average: veth2f7bcfd 3.87 5.13 3.47 0.84 0.00 0.00 0.00 0.00 Average: veth0582900 4.51 5.91 3.89 1.18 0.00 0.00 0.00 0.00 Average: vethb9b8ecc 4.94 6.31 4.47 1.24 0.00 0.00 0.00 0.00 Average: veth68bd4ae 4.45 5.89 3.92 1.18 0.00 0.00 0.00 0.00 Average: veth791ed1d 1.08 1.79 0.08 17.33 0.00 0.00 0.00 0.00 Average: veth5c38610 4.05 5.32 3.67 1.00 0.00 0.00 0.00 0.00 Average: veth7672984 11.95 11.87 13.31 5.87 0.00 0.00 0.00 0.00 Average: veth9b2e68a 11.72 11.66 13.31 6.49 0.00 0.00 0.00 0.00 Average: veth215a45a 1.49 1.26 0.32 0.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1636) 07/23/26 _x86_64_ (8 CPU) 10:09:39 LINUX RESTART (8 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 7.20 0.00 1.80 8.99 0.06 81.95 10:20:01 0 6.03 0.00 1.82 10.20 0.06 81.89 10:20:01 1 7.69 0.00 1.97 10.37 0.06 79.91 10:20:01 2 9.12 0.00 1.89 10.85 0.07 78.08 10:20:01 3 10.43 0.00 2.17 14.03 0.08 73.29 10:20:01 4 4.75 0.00 1.74 7.52 0.06 85.93 10:20:01 5 6.50 0.00 1.73 6.69 0.05 85.03 10:20:01 6 7.68 0.00 1.42 4.58 0.05 86.27 10:20:01 7 5.41 0.00 1.63 7.69 0.05 85.21 10:30:06 all 14.89 0.00 2.43 3.01 0.10 79.56 10:30:06 0 15.58 0.00 2.62 1.50 0.10 80.20 10:30:06 1 15.62 0.00 2.50 1.96 0.11 79.81 10:30:06 2 13.99 0.00 2.45 1.70 0.11 81.75 10:30:06 3 14.28 0.00 2.20 1.88 0.10 81.54 10:30:06 4 14.64 0.00 2.46 3.19 0.10 79.61 10:30:06 5 14.86 0.00 2.41 5.15 0.11 77.48 10:30:06 6 14.97 0.00 2.39 1.93 0.10 80.61 10:30:06 7 15.21 0.00 2.38 6.83 0.11 75.46 Average: all 11.05 0.00 2.11 6.00 0.08 80.75 Average: 0 10.82 0.00 2.22 5.83 0.08 81.04 Average: 1 11.66 0.00 2.23 6.16 0.08 79.86 Average: 2 11.56 0.00 2.17 6.26 0.09 79.92 Average: 3 12.36 0.00 2.18 7.94 0.09 77.42 Average: 4 9.70 0.00 2.10 5.35 0.08 82.77 Average: 5 10.68 0.00 2.07 5.92 0.08 81.25 Average: 6 11.33 0.00 1.91 3.25 0.08 83.43 Average: 7 10.32 0.00 2.01 7.26 0.08 80.33