---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3943 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: 5600.00 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 868 12114 4 19109 30756 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:e6:e4:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.34/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84521sec preferred_lft 84521sec inet6 fe80::f816:3eff:fee6:e42e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:07:4c:f2:89:9b 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::b007:4cff:fef2:899b/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-3943) 08/04/26 _x86_64_ (8 CPU) 08:06:01 LINUX RESTART (8 CPU) 08:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:05 480.92 0.51 467.50 12.90 34.15 55895.93 59016.06 08:30:05 10.30 0.31 9.52 0.48 5.85 376.92 1382.53 Average: 245.81 0.41 238.71 6.69 20.02 28160.23 30224.01 08:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:05 2232404 21837868 10315024 31.39 595428 18116560 16700152 49.25 4795912 22153908 448 08:30:05 437852 20118180 12032512 36.61 597248 18182560 17817708 52.54 4856488 23848728 1780 Average: 1335128 20978024 11173768 34.00 596338 18149560 17258930 50.89 4826200 23001318 1114 08:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:05 lo 0.82 0.82 0.07 0.07 0.00 0.00 0.00 0.00 08:20:05 ens3 356.09 223.74 2715.19 70.00 0.00 0.00 0.00 0.00 08:20:05 docker0 20.39 35.74 1.21 752.70 0.00 0.00 0.00 0.00 08:20:05 br-b12a97e01db7 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:20:05 veth671fec1 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:20:05 vethc858381 0.17 0.23 0.02 0.01 0.00 0.00 0.00 0.00 08:20:05 veth1590a2a 6.80 6.71 4.59 1.32 0.00 0.00 0.00 0.00 08:20:05 vethbceb6b4 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:20:05 vethe83e332 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:20:05 vethbe7fac2 1.28 1.28 0.14 0.96 0.00 0.00 0.00 0.00 08:20:05 vethbafacbc 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 08:20:05 veth8123a3e 0.63 0.60 0.08 0.72 0.00 0.00 0.00 0.00 08:30:05 lo 5.11 5.11 21.87 21.87 0.00 0.00 0.00 0.00 08:30:05 ens3 15.84 10.11 5.46 5.37 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 br-b12a97e01db7 2.83 2.67 21.24 0.69 0.00 0.00 0.00 0.00 08:30:05 veth671fec1 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 vethc858381 0.48 0.29 0.07 0.41 0.00 0.00 0.00 0.00 08:30:05 veth1590a2a 238.22 255.39 170.70 119.88 0.00 0.00 0.00 0.01 08:30:05 vethbceb6b4 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 08:30:05 vethe83e332 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 vethbe7fac2 123.18 114.75 93.06 62.67 0.00 0.00 0.00 0.01 08:30:05 veth8123a3e 139.34 129.93 63.64 111.73 0.00 0.00 0.00 0.01 Average: lo 2.96 2.96 10.96 10.96 0.00 0.00 0.00 0.00 Average: ens3 186.11 117.02 1361.48 37.71 0.00 0.00 0.00 0.00 Average: docker0 10.20 17.89 0.61 376.67 0.00 0.00 0.00 0.00 Average: br-b12a97e01db7 1.56 1.46 10.61 0.35 0.00 0.00 0.00 0.00 Average: veth671fec1 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc858381 0.33 0.26 0.05 0.21 0.00 0.00 0.00 0.00 Average: veth1590a2a 122.41 130.94 87.57 60.55 0.00 0.00 0.00 0.01 Average: vethbceb6b4 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethe83e332 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethbe7fac2 62.17 57.97 46.56 31.79 0.00 0.00 0.00 0.00 Average: veth8123a3e 69.93 65.21 31.84 56.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3943) 08/04/26 _x86_64_ (8 CPU) 08:06:01 LINUX RESTART (8 CPU) 08:10:04 CPU %user %nice %system %iowait %steal %idle 08:20:05 all 32.22 0.02 4.10 0.89 0.09 62.68 08:20:05 0 29.02 0.03 4.20 0.82 0.09 65.85 08:20:05 1 34.76 0.02 3.89 0.66 0.10 60.57 08:20:05 2 32.41 0.02 4.37 1.08 0.09 62.03 08:20:05 3 29.81 0.03 3.82 0.76 0.09 65.50 08:20:05 4 33.34 0.03 4.10 0.60 0.10 61.83 08:20:05 5 37.15 0.02 4.21 0.93 0.09 57.60 08:20:05 6 30.98 0.02 4.13 1.21 0.09 63.57 08:20:05 7 30.27 0.01 4.11 1.06 0.09 64.46 08:30:05 all 7.84 0.00 1.24 0.02 0.08 90.81 08:30:05 0 8.38 0.00 1.62 0.02 0.08 89.89 08:30:05 1 7.82 0.00 1.38 0.02 0.08 90.71 08:30:05 2 8.91 0.00 1.29 0.01 0.08 89.70 08:30:05 3 8.76 0.00 1.33 0.02 0.08 89.80 08:30:05 4 7.48 0.00 1.16 0.02 0.08 91.26 08:30:05 5 6.68 0.00 1.05 0.04 0.08 92.16 08:30:05 6 7.75 0.00 1.00 0.02 0.08 91.15 08:30:05 7 6.96 0.00 1.10 0.02 0.08 91.83 Average: all 20.04 0.01 2.67 0.46 0.09 76.73 Average: 0 18.71 0.02 2.91 0.42 0.08 77.86 Average: 1 21.29 0.01 2.63 0.34 0.09 75.63 Average: 2 20.68 0.01 2.83 0.55 0.09 75.85 Average: 3 19.31 0.01 2.58 0.39 0.09 77.62 Average: 4 20.42 0.01 2.63 0.31 0.09 76.53 Average: 5 21.94 0.01 2.63 0.48 0.08 74.85 Average: 6 19.38 0.01 2.57 0.61 0.09 77.35 Average: 7 18.63 0.01 2.61 0.54 0.09 78.12