---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2405 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 1016 12524 4 18551 30608 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:da:b2:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.179/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:feda:b208/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:30:e5:6c:0c:c5 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::d830:e5ff:fe6c:cc5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2405) 03/31/26 _x86_64_ (8 CPU) 13:13:09 LINUX RESTART (8 CPU) 13:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:06 221.99 0.83 212.25 8.91 29.82 39750.87 62186.63 13:40:01 10.91 0.14 10.48 0.29 5.70 490.04 2742.71 Average: 115.67 0.48 110.62 4.57 17.67 19975.49 32245.18 13:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:06 1459460 20663352 11491236 34.97 593624 17734996 17370336 51.22 4686904 23062376 896 13:40:01 265344 19511392 12641656 38.47 594136 17771704 18367252 54.16 4730168 24215524 812 Average: 862402 20087372 12066446 36.72 593880 17753350 17868794 52.69 4708536 23638950 854 13:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:06 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 13:30:06 ens3 245.46 139.15 1927.85 49.58 0.00 0.00 0.00 0.00 13:30:06 docker0 15.90 29.53 0.92 564.63 0.00 0.00 0.00 0.00 13:30:06 br-0bc06493a5ee 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 13:30:06 veth4f28aeb 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 vethbe73dd3 0.38 0.39 0.04 0.18 0.00 0.00 0.00 0.00 13:30:06 veth5a7250c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 veth31ec36a 30.43 31.00 8.92 8.29 0.00 0.00 0.00 0.00 13:30:06 vethe567c84 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 vethe2c4009 25.46 24.86 9.06 5.16 0.00 0.00 0.00 0.00 13:30:06 vethac41212 0.26 0.39 0.37 1.85 0.00 0.00 0.00 0.00 13:30:06 veth39afbdb 1.41 1.15 0.19 1.23 0.00 0.00 0.00 0.00 13:40:01 lo 8.22 8.22 36.94 36.94 0.00 0.00 0.00 0.00 13:40:01 ens3 21.82 14.30 7.62 7.22 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 br-0bc06493a5ee 4.48 4.33 36.08 0.95 0.00 0.00 0.00 0.00 13:40:01 veth4f28aeb 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 vethbe73dd3 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 13:40:01 veth5a7250c 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 13:40:01 veth31ec36a 312.48 336.67 247.21 159.83 0.00 0.00 0.00 0.02 13:40:01 vethe567c84 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 vethe2c4009 130.85 120.82 112.31 77.79 0.00 0.00 0.00 0.01 13:40:01 veth39afbdb 214.39 199.65 98.08 173.68 0.00 0.00 0.00 0.01 Average: lo 4.44 4.44 18.63 18.63 0.00 0.00 0.00 0.00 Average: ens3 132.81 76.26 960.64 28.24 0.00 0.00 0.00 0.00 Average: docker0 7.89 14.66 0.45 280.23 0.00 0.00 0.00 0.00 Average: br-0bc06493a5ee 2.41 2.31 18.18 0.49 0.00 0.00 0.00 0.00 Average: veth4f28aeb 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethbe73dd3 0.39 0.30 0.06 0.26 0.00 0.00 0.00 0.00 Average: veth5a7250c 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth31ec36a 172.50 184.96 128.94 84.62 0.00 0.00 0.00 0.01 Average: vethe567c84 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe2c4009 78.55 73.20 61.07 41.74 0.00 0.00 0.00 0.01 Average: veth39afbdb 108.69 101.13 49.50 88.09 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2405) 03/31/26 _x86_64_ (8 CPU) 13:13:09 LINUX RESTART (8 CPU) 13:20:19 CPU %user %nice %system %iowait %steal %idle 13:30:06 all 16.39 0.03 2.63 0.74 0.07 80.14 13:30:06 0 16.70 0.05 2.68 0.43 0.08 80.07 13:30:06 1 16.50 0.02 2.78 0.51 0.07 80.12 13:30:06 2 14.38 0.03 2.55 0.77 0.08 82.20 13:30:06 3 17.27 0.01 2.69 1.21 0.07 78.75 13:30:06 4 15.84 0.04 2.59 1.22 0.07 80.24 13:30:06 5 15.55 0.03 2.49 0.60 0.06 81.27 13:30:06 6 16.11 0.02 2.46 0.51 0.06 80.85 13:30:06 7 18.77 0.04 2.81 0.71 0.07 77.61 13:40:01 all 7.13 0.00 1.16 0.02 0.07 91.62 13:40:01 0 8.11 0.00 1.25 0.02 0.07 90.56 13:40:01 1 7.54 0.00 1.24 0.03 0.07 91.12 13:40:01 2 7.04 0.00 1.19 0.02 0.07 91.69 13:40:01 3 6.42 0.00 1.11 0.02 0.07 92.38 13:40:01 4 6.81 0.00 1.08 0.02 0.07 92.02 13:40:01 5 7.56 0.00 1.18 0.02 0.07 91.18 13:40:01 6 6.96 0.00 1.10 0.05 0.07 91.81 13:40:01 7 6.59 0.00 1.13 0.03 0.07 92.18 Average: all 11.73 0.01 1.89 0.38 0.07 85.91 Average: 0 12.38 0.02 1.96 0.22 0.07 85.34 Average: 1 12.00 0.01 2.00 0.27 0.07 85.64 Average: 2 10.69 0.02 1.87 0.39 0.07 86.96 Average: 3 11.81 0.00 1.90 0.61 0.07 85.60 Average: 4 11.30 0.02 1.83 0.61 0.07 86.16 Average: 5 11.54 0.01 1.83 0.31 0.06 86.25 Average: 6 11.51 0.01 1.78 0.28 0.07 86.36 Average: 7 12.64 0.02 1.97 0.37 0.07 84.94