---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12985 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 884 13531 3 17676 30739 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:ad:16:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.193/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83640sec preferred_lft 83640sec inet6 fe80::f816:3eff:fead:16e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:4b:4e:17:59:62 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::d04b:4eff:fe17:5962/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-12985) 07/27/26 _x86_64_ (8 CPU) 15:09:13 LINUX RESTART (8 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:05 683.50 5.07 646.98 31.45 366.35 64079.56 637826.66 15:30:05 92.62 0.38 89.22 3.02 17.77 10272.65 1219.75 15:40:05 27.32 0.29 24.72 2.31 7.79 4030.35 25794.80 15:50:03 10.92 0.08 10.32 0.52 1.93 1740.66 1947.22 Average: 204.50 1.46 193.67 9.37 98.96 20114.34 167566.33 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:05 10688928 27690860 4520176 13.75 554324 15668792 4666436 13.76 4486760 16069024 660 15:30:05 695500 20512740 11592344 35.28 600544 18351908 18204736 53.68 4824272 23623152 30764 15:40:05 460848 19270748 12724292 38.72 584116 17474788 19395980 57.20 4946500 23703692 13940 15:50:03 298696 18810552 13196016 40.16 583080 17170820 19767628 58.29 4843244 23979528 10216 Average: 3035993 21571225 10508207 31.98 580516 17166577 15508695 45.73 4775194 21843849 13895 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:05 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 15:20:05 ens3 567.42 355.01 3743.79 95.24 0.00 0.00 0.00 0.00 15:20:05 docker0 56.68 90.80 3.27 847.46 0.00 0.00 0.00 0.00 15:30:05 lo 0.91 0.91 0.56 0.56 0.00 0.00 0.00 0.00 15:30:05 ens3 62.41 41.57 913.43 9.46 0.00 0.00 0.00 0.00 15:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:05 br-dd7077e0ed3d 1.11 1.15 0.25 3.67 0.00 0.00 0.00 0.00 15:30:05 veth7773512 1.36 1.52 0.15 18.64 0.00 0.00 0.00 0.00 15:30:05 vethd66f868 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:30:05 veth3f84cc9 0.81 0.69 3.20 0.29 0.00 0.00 0.00 0.00 15:30:05 vethc5014f5 71.64 75.99 36.16 37.42 0.00 0.00 0.00 0.00 15:30:05 veth605df5b 0.86 1.03 15.01 3.20 0.00 0.00 0.00 0.00 15:30:05 veth188b1b0 71.81 67.00 49.99 33.01 0.00 0.00 0.00 0.00 15:30:05 veth39c9f4f 2.19 1.73 0.30 1.69 0.00 0.00 0.00 0.00 15:40:05 lo 29.34 29.34 109.76 109.76 0.00 0.00 0.00 0.00 15:40:05 ens3 9.82 8.77 27.87 1.88 0.00 0.00 0.00 0.00 15:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:05 br-dd7077e0ed3d 22.81 26.43 20.55 117.53 0.00 0.00 0.00 0.00 15:40:05 veth7773512 34.49 38.01 20.55 338.81 0.00 0.00 0.00 0.03 15:40:05 vethd66f868 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 15:40:05 veth3f84cc9 12.33 12.83 57.38 52.14 0.00 0.00 0.00 0.00 15:40:05 vethc5014f5 71.20 78.01 48.73 28.34 0.00 0.00 0.00 0.00 15:40:05 veth605df5b 20.84 20.89 223.28 57.70 0.00 0.00 0.00 0.02 15:40:05 veth188b1b0 35.38 32.01 60.63 15.13 0.00 0.00 0.00 0.00 15:40:05 veth39c9f4f 49.05 45.19 20.78 35.88 0.00 0.00 0.00 0.00 15:50:03 lo 35.62 35.62 171.22 171.22 0.00 0.00 0.00 0.00 15:50:03 ens3 0.73 0.63 0.19 0.45 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 br-dd7077e0ed3d 28.23 35.23 35.15 138.01 0.00 0.00 0.00 0.00 15:50:03 veth7773512 34.67 41.57 35.95 212.75 0.00 0.00 0.00 0.02 15:50:03 vethd66f868 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 veth3f84cc9 9.03 11.24 10.15 75.87 0.00 0.00 0.00 0.01 15:50:03 vethc5014f5 62.10 68.29 47.50 22.65 0.00 0.00 0.00 0.00 15:50:03 veth605df5b 12.52 11.25 76.40 9.78 0.00 0.00 0.00 0.01 15:50:03 veth188b1b0 44.68 40.94 84.74 23.92 0.00 0.00 0.00 0.01 15:50:03 veth39c9f4f 30.62 27.34 13.72 25.96 0.00 0.00 0.00 0.00 Average: lo 16.63 16.63 70.22 70.22 0.00 0.00 0.00 0.00 Average: ens3 160.86 101.97 1176.28 26.89 0.00 0.00 0.00 0.00 Average: docker0 14.25 22.82 0.82 213.03 0.00 0.00 0.00 0.00 Average: br-dd7077e0ed3d 13.01 15.66 13.95 64.64 0.00 0.00 0.00 0.00 Average: veth7773512 17.59 20.23 14.12 142.27 0.00 0.00 0.00 0.01 Average: vethd66f868 0.03 0.05 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth3f84cc9 5.53 6.18 17.66 31.99 0.00 0.00 0.00 0.00 Average: vethc5014f5 51.15 55.48 33.03 22.07 0.00 0.00 0.00 0.00 Average: veth605df5b 8.54 8.28 78.55 17.65 0.00 0.00 0.00 0.01 Average: veth188b1b0 37.90 34.93 48.74 17.98 0.00 0.00 0.00 0.00 Average: veth39c9f4f 20.42 18.53 8.68 15.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-12985) 07/27/26 _x86_64_ (8 CPU) 15:09:13 LINUX RESTART (8 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:05 all 35.52 0.00 5.18 1.56 0.11 57.63 15:20:05 0 36.80 0.00 4.87 1.21 0.11 57.02 15:20:05 1 36.47 0.00 5.33 2.09 0.11 56.00 15:20:05 2 38.49 0.00 6.07 1.90 0.11 53.43 15:20:05 3 34.90 0.00 5.53 1.80 0.11 57.67 15:20:05 4 31.63 0.00 4.94 1.42 0.10 61.90 15:20:05 5 34.82 0.00 4.52 1.52 0.10 59.04 15:20:05 6 32.26 0.00 5.15 1.44 0.10 61.05 15:20:05 7 38.84 0.00 5.02 1.09 0.11 54.95 15:30:05 all 10.32 0.02 1.32 0.36 0.06 87.92 15:30:05 0 9.71 0.02 1.28 0.34 0.05 88.59 15:30:05 1 10.15 0.02 1.52 0.24 0.07 88.01 15:30:05 2 9.80 0.03 1.21 0.31 0.05 88.61 15:30:05 3 11.30 0.03 1.34 0.46 0.06 86.81 15:30:05 4 11.07 0.02 1.37 0.23 0.07 87.24 15:30:05 5 10.23 0.02 1.38 0.30 0.06 88.01 15:30:05 6 9.59 0.01 1.23 0.83 0.06 88.28 15:30:05 7 10.68 0.03 1.22 0.17 0.05 87.84 15:40:05 all 10.31 0.01 2.05 0.43 0.10 87.11 15:40:05 0 10.61 0.01 2.13 0.47 0.09 86.69 15:40:05 1 10.51 0.00 2.11 0.99 0.11 86.28 15:40:05 2 10.83 0.01 2.25 0.11 0.10 86.70 15:40:05 3 10.72 0.01 2.11 0.76 0.10 86.31 15:40:05 4 10.49 0.01 1.93 0.38 0.09 87.10 15:40:05 5 9.32 0.01 1.94 0.24 0.09 88.40 15:40:05 6 9.90 0.00 1.99 0.20 0.10 87.81 15:40:05 7 10.09 0.00 1.97 0.28 0.09 87.56 15:50:03 all 7.74 0.00 1.84 0.07 0.09 90.26 15:50:03 0 7.36 0.00 2.04 0.05 0.09 90.46 15:50:03 1 8.78 0.00 2.04 0.06 0.09 89.03 15:50:03 2 8.15 0.00 1.89 0.06 0.09 89.81 15:50:03 3 7.75 0.00 1.83 0.03 0.09 90.31 15:50:03 4 8.03 0.00 1.81 0.05 0.09 90.02 15:50:03 5 7.27 0.00 1.62 0.11 0.08 90.92 15:50:03 6 7.03 0.00 1.61 0.06 0.08 91.21 15:50:03 7 7.59 0.00 1.85 0.13 0.08 90.34 Average: all 16.00 0.01 2.60 0.61 0.09 80.70 Average: 0 16.15 0.01 2.58 0.52 0.08 80.66 Average: 1 16.51 0.01 2.75 0.85 0.09 79.79 Average: 2 16.83 0.01 2.86 0.59 0.09 79.63 Average: 3 16.19 0.01 2.70 0.76 0.09 80.25 Average: 4 15.33 0.01 2.52 0.52 0.09 81.54 Average: 5 15.44 0.01 2.37 0.54 0.08 81.55 Average: 6 14.72 0.00 2.50 0.64 0.09 82.06 Average: 7 16.83 0.01 2.52 0.42 0.09 80.14