---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7249 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 870 13944 4 17277 30754 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:6a:dd:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.54/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83973sec preferred_lft 83973sec inet6 fe80::f816:3eff:fe6a:ddce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:6c:bd:2f:b5:f0 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::986c:bdff:fe2f:b5f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7249) 07/09/26 _x86_64_ (8 CPU) 08:20:03 LINUX RESTART (8 CPU) 08:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:04 96.44 0.43 92.05 3.97 19.60 12543.91 13255.67 08:50:01 47.76 0.44 21.00 26.32 21.48 3787.30 458991.90 09:00:04 27.29 1.94 21.62 3.73 116.63 2650.02 35292.48 Average: 57.12 0.94 44.89 11.29 52.76 6324.68 168355.83 08:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:04 374712 19939388 12151480 36.98 597116 18118992 18268288 53.87 4990740 23777736 10320 08:50:01 330728 18741832 13260044 40.35 585972 17079444 20065136 59.17 4831100 23967700 12128 09:00:04 14346512 31533044 659996 2.01 588552 15716180 1579572 4.66 4657136 12153348 13340 Average: 5017317 23404755 8690507 26.45 590547 16971539 13304332 39.23 4826325 19966261 11929 08:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:04 lo 7.54 7.54 17.10 17.10 0.00 0.00 0.00 0.00 08:40:04 ens3 45.68 34.04 913.86 6.67 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 br-de74a46c2dd5 6.47 7.72 3.15 24.47 0.00 0.00 0.00 0.00 08:40:04 veth2f838f3 0.13 0.22 0.01 0.04 0.00 0.00 0.00 0.00 08:40:04 vethd55c7ed 9.05 10.41 2.41 85.32 0.00 0.00 0.00 0.01 08:40:04 vethea66c91 5.40 5.68 61.31 17.81 0.00 0.00 0.00 0.01 08:40:04 veth48a0118 98.13 105.06 54.44 48.45 0.00 0.00 0.00 0.00 08:40:04 vethaabfa08 3.27 3.10 17.66 6.07 0.00 0.00 0.00 0.00 08:40:04 vethb1591e3 82.50 76.46 59.27 37.84 0.00 0.00 0.00 0.00 08:40:04 veth5e22cd6 21.47 19.69 8.70 15.56 0.00 0.00 0.00 0.00 08:50:01 lo 35.96 35.96 155.89 155.89 0.00 0.00 0.00 0.00 08:50:01 ens3 8.70 7.56 21.31 2.44 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 br-de74a46c2dd5 25.17 27.88 28.96 148.48 0.00 0.00 0.00 0.00 08:50:01 veth2f838f3 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 vethd55c7ed 36.57 39.24 30.14 338.12 0.00 0.00 0.00 0.03 08:50:01 vethea66c91 20.41 20.09 191.91 45.78 0.00 0.00 0.00 0.02 08:50:01 veth48a0118 72.96 79.71 55.15 29.76 0.00 0.00 0.00 0.00 08:50:01 vethaabfa08 13.00 13.79 45.75 58.62 0.00 0.00 0.00 0.00 08:50:01 vethb1591e3 38.46 35.34 66.42 18.90 0.00 0.00 0.00 0.01 08:50:01 veth5e22cd6 48.34 44.29 21.59 38.96 0.00 0.00 0.00 0.00 09:00:04 lo 23.80 23.80 96.27 96.27 0.00 0.00 0.00 0.00 09:00:04 ens3 14.32 11.11 20.29 4.18 0.00 0.00 0.00 0.00 09:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.41 22.41 89.64 89.64 0.00 0.00 0.00 0.00 Average: ens3 22.91 17.58 318.47 4.44 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7249) 07/09/26 _x86_64_ (8 CPU) 08:20:03 LINUX RESTART (8 CPU) 08:30:04 CPU %user %nice %system %iowait %steal %idle 08:40:04 all 12.90 0.02 1.84 0.28 0.07 84.89 08:40:04 0 13.04 0.02 1.90 0.23 0.07 84.74 08:40:04 1 13.42 0.02 1.79 0.13 0.08 84.56 08:40:04 2 12.54 0.01 1.94 0.63 0.08 84.80 08:40:04 3 13.01 0.02 1.91 0.23 0.07 84.75 08:40:04 4 13.70 0.04 1.78 0.38 0.08 84.02 08:40:04 5 12.61 0.02 1.97 0.30 0.08 85.03 08:40:04 6 12.41 0.03 1.70 0.16 0.07 85.62 08:40:04 7 12.47 0.02 1.68 0.15 0.07 85.61 08:50:01 all 9.90 0.00 2.22 0.23 0.09 87.55 08:50:01 0 9.23 0.01 2.42 0.27 0.10 87.97 08:50:01 1 10.76 0.00 2.46 0.15 0.10 86.53 08:50:01 2 9.52 0.00 2.19 0.24 0.09 87.96 08:50:01 3 10.44 0.00 2.13 0.22 0.09 87.12 08:50:01 4 9.98 0.00 2.23 0.09 0.09 87.62 08:50:01 5 10.25 0.00 2.19 0.09 0.09 87.38 08:50:01 6 9.36 0.00 2.14 0.53 0.09 87.88 08:50:01 7 9.66 0.01 2.02 0.26 0.09 87.97 09:00:04 all 7.42 0.00 1.76 0.14 0.08 90.60 09:00:04 0 6.57 0.00 1.76 0.12 0.07 91.47 09:00:04 1 7.64 0.00 2.01 0.11 0.09 90.13 09:00:04 2 7.43 0.00 1.77 0.07 0.08 90.65 09:00:04 3 6.31 0.01 1.63 0.08 0.07 91.89 09:00:04 4 7.33 0.00 1.75 0.09 0.08 90.76 09:00:04 5 7.01 0.00 1.66 0.35 0.08 90.90 09:00:04 6 9.65 0.00 1.80 0.09 0.08 88.37 09:00:04 7 7.43 0.01 1.71 0.18 0.08 90.60 Average: all 10.07 0.01 1.94 0.21 0.08 87.69 Average: 0 9.61 0.01 2.02 0.21 0.08 88.06 Average: 1 10.60 0.01 2.09 0.13 0.09 87.08 Average: 2 9.82 0.01 1.96 0.31 0.08 87.81 Average: 3 9.91 0.01 1.89 0.18 0.08 87.93 Average: 4 10.33 0.01 1.92 0.19 0.08 87.48 Average: 5 9.95 0.01 1.94 0.25 0.08 87.78 Average: 6 10.47 0.01 1.88 0.26 0.08 87.29 Average: 7 9.85 0.01 1.80 0.19 0.08 88.07