---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7812 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 22G 134G 14% / 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 819 16464 4 14807 30804 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:a3:f3:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.41/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85041sec preferred_lft 85041sec inet6 fe80::f816:3eff:fea3:f35e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:27:7a:32:12:70 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::6827:7aff:fe32:1270/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7812) 07/10/26 _x86_64_ (8 CPU) 10:08:39 LINUX RESTART (8 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:00 212.68 4.12 198.60 9.97 421.24 35230.36 64637.43 10:30:00 135.09 1.53 107.94 25.62 194.87 16708.45 471557.45 Average: 173.84 2.82 153.21 17.80 307.91 25957.97 268348.72 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:00 21164944 31610348 675356 2.06 183092 10311360 1672012 4.93 2435588 8561404 296724 10:30:00 15215512 29960716 2281608 6.94 263352 14293568 6709652 19.79 3381592 13280768 876 Average: 18190228 30785532 1478482 4.50 223222 12302464 4190832 12.36 2908590 10921086 148800 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:00 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 10:20:00 ens3 290.32 184.94 3827.92 48.69 0.00 0.00 0.00 0.00 10:20:00 docker0 3.58 4.98 0.20 103.50 0.00 0.00 0.00 0.00 10:30:00 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 10:30:00 ens3 16.93 11.08 259.48 2.20 0.00 0.00 0.00 0.00 10:30:00 docker0 4.41 6.82 0.40 151.47 0.00 0.00 0.00 0.00 10:30:00 br-77c549a6537b 1.86 3.68 0.12 35.06 0.00 0.00 0.00 0.00 10:30:00 veth796cd13 6.65 6.77 6.48 6.85 0.00 0.00 0.00 0.00 10:30:00 veth76e7258 67.62 51.85 12.98 9.00 0.00 0.00 0.00 0.00 10:30:00 vetha7b80e8 32.02 35.51 25.60 6.37 0.00 0.00 0.00 0.00 10:30:00 veth83490ed 10.76 13.10 8.09 2.36 0.00 0.00 0.00 0.00 10:30:00 vethcf8fcc2 11.21 14.10 9.01 2.71 0.00 0.00 0.00 0.00 10:30:00 veth1cfe54d 11.33 14.12 9.07 2.72 0.00 0.00 0.00 0.00 10:30:00 vethda8db21 11.87 14.80 10.12 2.81 0.00 0.00 0.00 0.00 10:30:00 vethbd3e185 9.63 12.25 8.27 1.97 0.00 0.00 0.00 0.00 10:30:00 veth3182acb 35.51 32.02 6.37 25.60 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 153.46 97.90 2041.50 25.41 0.00 0.00 0.00 0.00 Average: docker0 3.99 5.90 0.30 127.52 0.00 0.00 0.00 0.00 Average: br-77c549a6537b 0.93 1.84 0.06 17.55 0.00 0.00 0.00 0.00 Average: veth796cd13 3.33 3.39 3.24 3.43 0.00 0.00 0.00 0.00 Average: veth76e7258 33.85 25.96 6.50 4.50 0.00 0.00 0.00 0.00 Average: vetha7b80e8 16.03 17.78 12.82 3.19 0.00 0.00 0.00 0.00 Average: veth83490ed 5.39 6.56 4.05 1.18 0.00 0.00 0.00 0.00 Average: vethcf8fcc2 5.61 7.06 4.51 1.36 0.00 0.00 0.00 0.00 Average: veth1cfe54d 5.67 7.07 4.54 1.36 0.00 0.00 0.00 0.00 Average: vethda8db21 5.94 7.41 5.06 1.41 0.00 0.00 0.00 0.00 Average: vethbd3e185 4.82 6.13 4.14 0.98 0.00 0.00 0.00 0.00 Average: veth3182acb 17.78 16.03 3.19 12.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-7812) 07/10/26 _x86_64_ (8 CPU) 10:08:39 LINUX RESTART (8 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:00 all 8.47 0.00 2.20 8.32 0.11 80.91 10:20:00 0 9.26 0.00 2.16 7.63 0.11 80.83 10:20:00 1 6.99 0.00 2.15 10.08 0.12 80.66 10:20:00 2 11.49 0.00 2.31 4.94 0.11 81.14 10:20:00 3 6.07 0.00 2.30 6.90 0.10 84.62 10:20:00 4 11.12 0.00 2.27 5.68 0.11 80.82 10:20:00 5 6.37 0.00 2.11 6.88 0.10 84.54 10:20:00 6 8.27 0.00 2.27 13.04 0.11 76.31 10:20:00 7 8.16 0.00 2.02 11.40 0.11 78.32 10:30:00 all 15.17 0.00 2.38 3.15 0.16 79.13 10:30:00 0 14.05 0.00 2.47 4.33 0.15 78.99 10:30:00 1 15.13 0.00 2.62 5.04 0.17 77.03 10:30:00 2 14.84 0.00 2.26 4.17 0.16 78.57 10:30:00 3 16.15 0.00 2.36 1.68 0.18 79.64 10:30:00 4 14.85 0.00 2.26 1.57 0.15 81.18 10:30:00 5 15.32 0.00 2.55 3.24 0.16 78.73 10:30:00 6 15.59 0.00 2.21 3.33 0.16 78.72 10:30:00 7 15.47 0.00 2.34 1.84 0.14 80.21 Average: all 11.82 0.00 2.29 5.73 0.13 80.02 Average: 0 11.66 0.00 2.32 5.98 0.13 79.91 Average: 1 11.06 0.00 2.39 7.56 0.14 78.85 Average: 2 13.17 0.00 2.29 4.56 0.14 79.85 Average: 3 11.12 0.00 2.33 4.29 0.14 82.13 Average: 4 12.98 0.00 2.26 3.62 0.13 81.00 Average: 5 10.85 0.00 2.33 5.06 0.13 81.63 Average: 6 11.94 0.00 2.24 8.18 0.13 77.52 Average: 7 11.81 0.00 2.18 6.62 0.13 79.27