---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-11369 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 17% / 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 852 14690 4 16549 30771 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:ff:6c:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.251/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:feff:6c16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:03:28:84:4f:04 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::5c03:28ff:fe84:4f04/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-11369) 08/11/26 _x86_64_ (8 CPU) 14:49:52 LINUX RESTART (8 CPU) 14:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:00 668.17 13.37 636.13 18.67 1733.15 84557.68 69733.28 15:10:02 71.12 1.51 66.54 3.08 42.15 9116.52 6959.60 15:20:01 13.05 1.03 11.59 0.44 22.20 452.83 5254.95 Average: 250.79 5.30 238.09 7.40 599.02 31378.09 27311.45 14:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:00 5624500 24191684 8013992 24.39 562516 17149980 8220008 24.24 4304380 21235116 512012 15:10:02 276816 17332648 14822752 45.11 567692 15648904 20871012 61.55 4420884 24520780 1388 15:20:01 4642432 21180708 10977528 33.40 569016 15147280 14798512 43.64 4191248 20406444 348 Average: 3514583 20901680 11271424 34.30 566408 15982055 14629844 43.14 4305504 22054113 171249 14:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:00 lo 1.01 1.01 0.11 0.11 0.00 0.00 0.00 0.00 15:00:00 ens3 563.71 340.90 4527.68 104.53 0.00 0.00 0.00 0.00 15:00:00 docker0 28.30 49.05 1.67 855.89 0.00 0.00 0.00 0.00 15:00:00 br-fa037f187483 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 lo 1.70 1.70 2.99 2.99 0.00 0.00 0.00 0.00 15:10:02 ens3 23.05 12.91 521.48 2.77 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 15:10:02 br-fa037f187483 0.99 0.92 2.78 0.23 0.00 0.00 0.00 0.00 15:10:02 vetha9e6209 114.16 121.61 67.11 57.35 0.00 0.00 0.00 0.01 15:10:02 vethd1a8edb 0.13 0.21 0.01 0.03 0.00 0.00 0.00 0.00 15:10:02 vethea4095b 0.51 0.45 0.07 0.30 0.00 0.00 0.00 0.00 15:10:02 veth3f46ed8 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:10:02 vethda666ca 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:10:02 veth7cd6032 83.38 77.80 56.78 38.91 0.00 0.00 0.00 0.00 15:10:02 veth327fb8b 37.43 34.70 16.45 27.35 0.00 0.00 0.00 0.00 15:20:01 lo 9.55 9.55 54.17 54.17 0.00 0.00 0.00 0.00 15:20:01 ens3 16.74 9.86 5.18 5.76 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 br-fa037f187483 5.60 5.12 53.28 1.02 0.00 0.00 0.00 0.00 15:20:01 vetha9e6209 292.16 315.87 238.39 135.85 0.00 0.00 0.00 0.02 15:20:01 vethd1a8edb 0.17 0.19 0.02 0.07 0.00 0.00 0.00 0.00 15:20:01 vethea4095b 0.41 0.23 0.07 0.34 0.00 0.00 0.00 0.00 15:20:01 veth3f46ed8 0.00 0.04 0.00 0.01 0.00 0.00 0.00 0.00 15:20:01 vethda666ca 0.00 0.04 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 4.08 4.08 19.03 19.03 0.00 0.00 0.00 0.00 Average: ens3 201.12 121.19 1684.97 37.67 0.00 0.00 0.00 0.00 Average: docker0 9.43 16.35 0.56 285.21 0.00 0.00 0.00 0.00 Average: br-fa037f187483 2.19 2.01 18.63 0.41 0.00 0.00 0.00 0.00 Average: vetha9e6209 135.24 145.61 101.64 64.31 0.00 0.00 0.00 0.01 Average: vethd1a8edb 0.10 0.13 0.01 0.04 0.00 0.00 0.00 0.00 Average: vethea4095b 0.31 0.22 0.05 0.22 0.00 0.00 0.00 0.00 Average: veth3f46ed8 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethda666ca 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-11369) 08/11/26 _x86_64_ (8 CPU) 14:49:52 LINUX RESTART (8 CPU) 14:50:00 CPU %user %nice %system %iowait %steal %idle 15:00:00 all 37.23 0.00 5.35 1.22 0.11 56.09 15:00:00 0 36.83 0.00 5.34 1.19 0.11 56.53 15:00:00 1 34.90 0.00 5.26 1.51 0.11 58.21 15:00:00 2 34.84 0.00 5.38 1.14 0.11 58.53 15:00:00 3 38.96 0.00 5.14 0.95 0.11 54.83 15:00:00 4 43.03 0.00 5.59 1.31 0.12 49.95 15:00:00 5 35.94 0.00 5.71 1.09 0.11 57.15 15:00:00 6 39.49 0.00 5.22 1.00 0.11 54.18 15:00:00 7 33.87 0.00 5.14 1.58 0.11 59.30 15:10:02 all 10.16 0.02 1.42 0.21 0.07 88.12 15:10:02 0 9.13 0.02 1.57 0.10 0.07 89.11 15:10:02 1 10.10 0.01 1.57 0.15 0.07 88.10 15:10:02 2 11.70 0.04 1.55 0.31 0.07 86.34 15:10:02 3 10.28 0.02 1.46 0.11 0.07 88.07 15:10:02 4 9.14 0.02 1.30 0.06 0.07 89.41 15:10:02 5 9.67 0.02 1.23 0.64 0.06 88.37 15:10:02 6 11.46 0.03 1.42 0.24 0.07 86.78 15:10:02 7 9.78 0.03 1.24 0.11 0.07 88.77 15:20:01 all 5.17 0.00 1.24 0.03 0.07 93.49 15:20:01 0 4.45 0.00 1.64 0.05 0.07 93.80 15:20:01 1 4.64 0.00 1.41 0.03 0.07 93.84 15:20:01 2 5.83 0.00 1.22 0.03 0.07 92.84 15:20:01 3 5.40 0.00 1.23 0.04 0.08 93.26 15:20:01 4 5.79 0.00 1.03 0.05 0.07 93.07 15:20:01 5 4.50 0.00 0.92 0.05 0.07 94.46 15:20:01 6 5.22 0.00 1.20 0.02 0.08 93.48 15:20:01 7 5.51 0.00 1.22 0.02 0.07 93.18 Average: all 17.52 0.01 2.67 0.49 0.08 79.23 Average: 0 16.78 0.01 2.85 0.45 0.08 79.84 Average: 1 16.55 0.00 2.75 0.56 0.08 80.05 Average: 2 17.47 0.01 2.72 0.49 0.08 79.23 Average: 3 18.22 0.01 2.61 0.36 0.09 78.72 Average: 4 19.32 0.01 2.64 0.47 0.09 77.47 Average: 5 16.69 0.01 2.62 0.60 0.08 80.01 Average: 6 18.73 0.01 2.61 0.42 0.09 78.14 Average: 7 16.39 0.01 2.53 0.57 0.08 80.41