---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3434 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 865 12271 4 18955 30759 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:b3:a5:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.176/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84343sec preferred_lft 84343sec inet6 fe80::f816:3eff:feb3:a59c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:13:b7:d8:32:3c 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::c013:b7ff:fed8:323c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3434) 03/20/26 _x86_64_ (8 CPU) 09:00:37 LINUX RESTART (8 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:02 192.28 0.31 184.78 7.19 14.96 33592.79 33563.43 09:30:21 33.80 0.12 10.86 22.83 5.09 479.87 445738.86 Average: 111.90 0.21 96.57 15.12 9.95 16798.64 242609.89 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:02 1503152 20979836 11173008 34.00 592212 18018488 16812548 49.58 4845208 22817556 568 09:30:21 295760 19877292 12274132 37.35 592728 18118072 17698288 52.19 4896724 23976940 348 Average: 899456 20428564 11723570 35.67 592470 18068280 17255418 50.88 4870966 23397248 458 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:02 lo 0.58 0.58 0.09 0.09 0.00 0.00 0.00 0.00 09:20:02 ens3 120.70 77.26 1756.52 19.77 0.00 0.00 0.00 0.00 09:20:02 docker0 13.44 26.32 0.79 550.28 0.00 0.00 0.00 0.00 09:20:02 br-7e462fc32bd5 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 09:20:02 veth4cd627b 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:20:02 vethc9ef482 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:20:02 veth748972e 0.38 0.38 0.04 0.19 0.00 0.00 0.00 0.00 09:20:02 veth93fcd7f 36.79 37.72 12.08 13.01 0.00 0.00 0.00 0.00 09:20:02 veth9d13ffa 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:20:02 veth76cd764 32.64 31.64 16.20 8.57 0.00 0.00 0.00 0.00 09:20:02 vetha463e9d 0.41 0.67 0.58 4.22 0.00 0.00 0.00 0.00 09:20:02 vethdee621c 1.59 1.28 0.21 1.29 0.00 0.00 0.00 0.00 09:30:21 lo 8.35 8.35 36.68 36.68 0.00 0.00 0.00 0.00 09:30:21 ens3 10.72 8.03 3.94 4.07 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:21 br-7e462fc32bd5 4.48 4.33 35.81 0.95 0.00 0.00 0.00 0.00 09:30:21 veth4cd627b 0.22 0.19 0.02 0.08 0.00 0.00 0.00 0.00 09:30:21 vethc9ef482 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:21 veth748972e 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 09:30:21 veth93fcd7f 305.66 330.03 242.34 154.45 0.00 0.00 0.00 0.02 09:30:21 veth9d13ffa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:21 veth76cd764 123.47 113.59 103.85 74.13 0.00 0.00 0.00 0.01 09:30:21 vethdee621c 214.79 199.89 98.10 172.22 0.00 0.00 0.00 0.01 Average: lo 4.52 4.52 18.65 18.65 0.00 0.00 0.00 0.00 Average: ens3 64.92 42.15 867.65 11.81 0.00 0.00 0.00 0.00 Average: docker0 6.62 12.97 0.39 271.19 0.00 0.00 0.00 0.00 Average: br-7e462fc32bd5 2.42 2.33 18.17 0.49 0.00 0.00 0.00 0.00 Average: veth4cd627b 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: vethc9ef482 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth748972e 0.39 0.29 0.06 0.27 0.00 0.00 0.00 0.00 Average: veth93fcd7f 173.16 185.97 128.86 84.75 0.00 0.00 0.00 0.01 Average: veth9d13ffa 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth76cd764 78.71 73.20 60.65 41.82 0.00 0.00 0.00 0.00 Average: vethdee621c 109.72 102.01 49.86 87.98 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3434) 03/20/26 _x86_64_ (8 CPU) 09:00:37 LINUX RESTART (8 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:02 all 12.72 0.02 2.43 1.95 0.08 82.79 09:20:02 0 10.80 0.03 2.48 1.45 0.08 85.16 09:20:02 1 13.22 0.04 2.48 3.11 0.09 81.06 09:20:02 2 14.23 0.02 2.50 1.96 0.08 81.20 09:20:02 3 11.84 0.03 2.33 1.60 0.09 84.12 09:20:02 4 12.53 0.02 2.51 1.21 0.08 83.65 09:20:02 5 12.85 0.02 2.51 1.80 0.09 82.73 09:20:02 6 11.75 0.01 2.40 2.42 0.08 83.34 09:20:02 7 14.51 0.03 2.23 2.06 0.08 81.08 09:30:21 all 7.42 0.00 1.30 0.42 0.10 90.76 09:30:21 0 6.81 0.00 1.40 0.34 0.09 91.36 09:30:21 1 8.57 0.00 1.57 0.38 0.13 89.35 09:30:21 2 8.38 0.00 1.37 0.49 0.10 89.66 09:30:21 3 7.20 0.00 1.14 0.74 0.10 90.82 09:30:21 4 7.91 0.00 1.16 0.15 0.09 90.69 09:30:21 5 6.27 0.00 1.34 0.47 0.12 91.79 09:30:21 6 7.22 0.00 1.08 0.09 0.09 91.52 09:30:21 7 7.03 0.00 1.32 0.70 0.09 90.86 Average: all 10.04 0.01 1.86 1.18 0.09 86.82 Average: 0 8.78 0.01 1.93 0.89 0.09 88.30 Average: 1 10.87 0.02 2.02 1.73 0.11 85.25 Average: 2 11.28 0.01 1.93 1.22 0.09 85.47 Average: 3 9.50 0.01 1.73 1.17 0.09 87.50 Average: 4 10.20 0.01 1.83 0.67 0.09 87.21 Average: 5 9.53 0.01 1.92 1.13 0.10 87.31 Average: 6 9.45 0.01 1.73 1.24 0.08 87.49 Average: 7 10.74 0.02 1.77 1.37 0.09 86.02