---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-544 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 1023 13747 4 17320 30588 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:9a:09:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.216/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83619sec preferred_lft 83619sec inet6 fe80::f816:3eff:fe9a:992/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:84:6f:54:fa:e4 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::b084:6fff:fe54:fae4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-544) 07/17/26 _x86_64_ (8 CPU) 14:51:14 LINUX RESTART (8 CPU) 15:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:02 167.74 0.32 161.36 6.06 15.75 29003.21 28939.89 15:20:01 55.64 0.30 27.59 27.75 21.54 3953.59 463433.02 15:30:02 11.91 0.07 11.38 0.46 2.06 1823.65 480.39 Average: 78.12 0.23 66.47 11.42 13.10 11537.56 164425.27 15:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:02 1039296 20681792 11470216 34.90 600732 18142676 17496668 51.60 4805456 23301624 1104 15:20:01 393508 18894068 13163424 40.06 582228 17119356 19614196 57.84 4885372 23872168 12324 15:30:02 320724 18544060 13510604 41.11 582492 16848644 19905284 58.70 4753664 24065896 11668 Average: 584509 19373307 12714748 38.69 588484 17370225 19005383 56.04 4814831 23746563 8365 15:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:02 lo 0.59 0.59 0.04 0.04 0.00 0.00 0.00 0.00 15:10:02 ens3 97.83 68.90 1480.14 14.70 0.00 0.00 0.00 0.00 15:10:02 docker0 12.89 21.67 0.73 351.99 0.00 0.00 0.00 0.00 15:10:02 br-15292bea3989 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 15:10:02 veth23304b1 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:10:02 veth0779f98 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:10:02 veth099f1dc 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:10:02 veth1e2ef80 44.74 46.40 16.57 20.15 0.00 0.00 0.00 0.00 15:10:02 veth2948237 0.41 0.39 0.05 0.21 0.00 0.00 0.00 0.00 15:10:02 vethb609b30 41.63 39.67 26.85 13.10 0.00 0.00 0.00 0.00 15:10:02 veth32ee663 0.61 1.04 0.73 7.72 0.00 0.00 0.00 0.00 15:10:02 veth66c1562 1.74 1.39 0.24 1.41 0.00 0.00 0.00 0.00 15:20:01 lo 22.02 22.02 73.03 73.03 0.00 0.00 0.00 0.00 15:20:01 ens3 11.88 10.08 31.53 2.07 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-15292bea3989 22.39 24.94 15.50 89.40 0.00 0.00 0.00 0.00 15:20:01 veth23304b1 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 15:20:01 veth0779f98 20.08 20.03 231.05 59.64 0.00 0.00 0.00 0.02 15:20:01 veth099f1dc 33.74 36.45 15.28 318.67 0.00 0.00 0.00 0.03 15:20:01 veth1e2ef80 93.60 101.77 64.95 43.98 0.00 0.00 0.00 0.01 15:20:01 veth2948237 11.18 11.48 59.21 45.05 0.00 0.00 0.00 0.00 15:20:01 vethb609b30 60.39 55.24 75.51 32.11 0.00 0.00 0.00 0.01 15:20:01 veth66c1562 47.92 44.22 20.51 35.41 0.00 0.00 0.00 0.00 15:30:02 lo 35.25 35.25 170.17 170.17 0.00 0.00 0.00 0.00 15:30:02 ens3 0.84 0.58 0.24 0.48 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 br-15292bea3989 29.43 30.42 33.86 138.01 0.00 0.00 0.00 0.00 15:30:02 veth23304b1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 veth0779f98 10.02 8.94 43.54 7.11 0.00 0.00 0.00 0.00 15:30:02 veth099f1dc 34.33 35.23 34.53 180.01 0.00 0.00 0.00 0.01 15:30:02 veth1e2ef80 63.21 69.54 48.29 23.58 0.00 0.00 0.00 0.00 15:30:02 veth2948237 7.91 9.19 7.53 42.97 0.00 0.00 0.00 0.00 15:30:02 vethb609b30 43.95 40.68 52.72 24.32 0.00 0.00 0.00 0.00 15:30:02 veth66c1562 31.52 28.37 13.91 26.27 0.00 0.00 0.00 0.00 Average: lo 19.35 19.35 81.40 81.40 0.00 0.00 0.00 0.00 Average: ens3 36.65 26.38 500.89 5.72 0.00 0.00 0.00 0.00 Average: docker0 4.27 7.18 0.24 116.59 0.00 0.00 0.00 0.00 Average: br-15292bea3989 17.43 18.60 16.52 76.08 0.00 0.00 0.00 0.00 Average: veth23304b1 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth0779f98 10.07 9.72 91.70 22.29 0.00 0.00 0.00 0.01 Average: veth099f1dc 22.77 24.00 16.67 166.67 0.00 0.00 0.00 0.01 Average: veth1e2ef80 67.23 72.63 43.34 29.25 0.00 0.00 0.00 0.00 Average: veth2948237 6.52 7.04 22.30 29.50 0.00 0.00 0.00 0.00 Average: vethb609b30 48.67 45.20 51.76 23.20 0.00 0.00 0.00 0.00 Average: veth66c1562 27.13 24.73 11.58 21.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-544) 07/17/26 _x86_64_ (8 CPU) 14:51:14 LINUX RESTART (8 CPU) 15:00:08 CPU %user %nice %system %iowait %steal %idle 15:10:02 all 12.19 0.02 2.30 0.59 0.07 84.83 15:10:02 0 11.12 0.02 2.43 1.00 0.06 85.37 15:10:02 1 12.25 0.04 2.48 0.46 0.07 84.69 15:10:02 2 10.98 0.01 2.02 0.30 0.08 86.62 15:10:02 3 11.76 0.03 2.11 0.55 0.07 85.49 15:10:02 4 16.15 0.04 2.41 0.29 0.07 81.05 15:10:02 5 12.04 0.03 2.47 0.84 0.07 84.55 15:10:02 6 11.51 0.01 2.33 0.73 0.07 85.35 15:10:02 7 11.69 0.02 2.14 0.54 0.06 85.54 15:20:01 all 11.21 0.01 1.98 0.17 0.09 86.54 15:20:01 0 10.12 0.00 2.04 0.19 0.09 87.56 15:20:01 1 13.05 0.01 2.21 0.12 0.10 84.52 15:20:01 2 12.78 0.00 2.01 0.34 0.09 84.78 15:20:01 3 11.29 0.01 1.96 0.19 0.09 86.46 15:20:01 4 10.86 0.01 2.07 0.11 0.09 86.86 15:20:01 5 11.68 0.02 1.98 0.23 0.10 85.99 15:20:01 6 9.86 0.01 1.76 0.07 0.09 88.21 15:20:01 7 9.99 0.00 1.84 0.10 0.09 87.97 15:30:02 all 7.63 0.00 1.76 0.04 0.09 90.48 15:30:02 0 7.24 0.00 1.72 0.04 0.09 90.91 15:30:02 1 7.82 0.00 1.85 0.02 0.10 90.21 15:30:02 2 8.54 0.00 1.87 0.02 0.09 89.48 15:30:02 3 7.75 0.00 1.80 0.06 0.09 90.30 15:30:02 4 7.91 0.00 1.72 0.05 0.09 90.22 15:30:02 5 6.83 0.00 1.80 0.08 0.09 91.18 15:30:02 6 7.26 0.00 1.57 0.03 0.09 91.04 15:30:02 7 7.72 0.00 1.72 0.02 0.09 90.45 Average: all 10.33 0.01 2.01 0.27 0.08 87.29 Average: 0 9.48 0.01 2.06 0.41 0.08 87.96 Average: 1 11.03 0.01 2.18 0.20 0.09 86.49 Average: 2 10.76 0.00 1.96 0.22 0.09 86.96 Average: 3 10.26 0.01 1.96 0.26 0.08 87.42 Average: 4 11.62 0.02 2.07 0.15 0.09 86.06 Average: 5 10.18 0.01 2.09 0.38 0.09 87.25 Average: 6 9.53 0.01 1.89 0.28 0.08 88.21 Average: 7 9.79 0.01 1.90 0.22 0.08 88.00