---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1258 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: 5600.00 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 27G 129G 17% / 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 896 14495 4 16700 30728 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:3c:e8:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.15/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82872sec preferred_lft 82872sec inet6 fe80::f816:3eff:fe3c:e855/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:0f:ec:56:41:03 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::980f:ecff:fe56:4103/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1258) 03/11/26 _x86_64_ (8 CPU) 17:23:19 LINUX RESTART (8 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:03 456.19 0.68 446.78 8.72 7.70 48545.77 160585.62 17:50:10 137.60 0.17 133.01 4.42 14.53 13933.34 5098.59 18:00:10 21.53 0.67 19.29 1.57 30.37 3017.87 4141.22 18:10:01 34.49 0.20 13.32 20.96 4.24 2764.41 456011.61 18:20:01 18.10 0.07 16.23 1.80 1.91 2842.90 9493.08 Average: 134.22 0.36 126.41 7.45 11.77 14290.17 125806.93 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:03 9524144 27573468 4633932 14.10 554768 16678464 4774760 14.08 4835116 16886408 108 17:50:10 262040 21743536 10401264 31.65 605524 19917208 16135240 47.58 5484960 23376096 176 18:00:10 262448 19134468 12905656 39.27 581220 17477876 18648440 54.99 5165512 23698436 440 18:10:01 334656 18508108 13500212 41.08 581820 16833440 19281012 56.86 5112840 23660268 11764 18:20:01 758728 18653244 13338144 40.59 582056 16583840 18954612 55.90 5099644 23262744 40400 Average: 2228403 21122565 10955842 33.34 581078 17498166 15558813 45.88 5139614 22176790 10578 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:03 lo 0.42 0.42 0.09 0.09 0.00 0.00 0.00 0.00 17:40:03 ens3 204.58 130.45 1613.75 31.59 0.00 0.00 0.00 0.00 17:40:03 docker0 18.53 27.61 1.06 326.95 0.00 0.00 0.00 0.00 17:50:10 lo 0.79 0.79 0.09 0.09 0.00 0.00 0.00 0.00 17:50:10 ens3 54.64 41.97 1060.76 9.08 0.00 0.00 0.00 0.00 17:50:10 docker0 1.21 2.18 0.07 44.51 0.00 0.00 0.00 0.00 17:50:10 br-b87b237187a8 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 17:50:10 vetha52f928 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 17:50:10 veth3291446 7.19 7.05 4.70 1.34 0.00 0.00 0.00 0.00 17:50:10 veth68bfab1 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 17:50:10 vethe844d5a 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 17:50:10 veth92a5542 0.23 0.26 0.02 0.02 0.00 0.00 0.00 0.00 17:50:10 vethb1ee885 1.60 1.60 0.17 0.99 0.00 0.00 0.00 0.00 17:50:10 veth3ac3457 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 17:50:10 veth233e3a9 0.87 0.75 0.12 0.85 0.00 0.00 0.00 0.00 18:00:10 lo 11.94 11.94 31.88 31.88 0.00 0.00 0.00 0.00 18:00:10 ens3 7.15 5.94 21.21 1.47 0.00 0.00 0.00 0.00 18:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:10 br-b87b237187a8 10.46 12.22 6.29 46.27 0.00 0.00 0.00 0.00 18:00:10 vetha52f928 17.31 19.06 5.75 192.97 0.00 0.00 0.00 0.02 18:00:10 veth3291446 111.55 120.47 63.37 55.60 0.00 0.00 0.00 0.01 18:00:10 veth68bfab1 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 18:00:10 vethe844d5a 11.73 13.38 147.75 76.13 0.00 0.00 0.00 0.01 18:00:10 veth92a5542 8.09 6.48 75.86 23.06 0.00 0.00 0.00 0.01 18:00:10 vethb1ee885 88.89 82.21 77.69 39.50 0.00 0.00 0.00 0.01 18:00:10 veth233e3a9 37.97 35.01 15.70 26.54 0.00 0.00 0.00 0.00 18:10:01 lo 32.27 32.27 145.57 145.57 0.00 0.00 0.00 0.00 18:10:01 ens3 4.76 3.43 11.19 1.35 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 br-b87b237187a8 23.08 24.79 27.05 129.81 0.00 0.00 0.00 0.00 18:10:01 vetha52f928 30.33 32.16 28.16 236.45 0.00 0.00 0.00 0.02 18:10:01 veth3291446 57.23 63.19 42.84 21.97 0.00 0.00 0.00 0.00 18:10:01 veth68bfab1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 vethe844d5a 13.46 14.70 108.41 71.91 0.00 0.00 0.00 0.01 18:10:01 veth92a5542 11.53 10.12 72.12 43.42 0.00 0.00 0.00 0.01 18:10:01 vethb1ee885 35.81 33.22 50.03 16.12 0.00 0.00 0.00 0.00 18:10:01 veth233e3a9 33.56 30.27 15.02 29.15 0.00 0.00 0.00 0.00 18:20:01 lo 28.73 28.73 123.81 123.81 0.00 0.00 0.00 0.00 18:20:01 ens3 5.86 5.00 17.43 1.23 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 br-b87b237187a8 26.38 27.32 28.10 114.23 0.00 0.00 0.00 0.00 18:20:01 vetha52f928 36.30 37.33 28.75 296.79 0.00 0.00 0.00 0.02 18:20:01 veth3291446 53.81 58.88 31.11 16.21 0.00 0.00 0.00 0.00 18:20:01 veth68bfab1 0.12 0.11 0.01 0.04 0.00 0.00 0.00 0.00 18:20:01 vethe844d5a 18.32 20.24 184.30 124.58 0.00 0.00 0.00 0.02 18:20:01 veth92a5542 14.37 12.59 124.56 68.86 0.00 0.00 0.00 0.01 18:20:01 vethb1ee885 38.86 35.88 75.62 19.66 0.00 0.00 0.00 0.01 18:20:01 veth233e3a9 26.99 24.70 9.46 13.44 0.00 0.00 0.00 0.00 Average: lo 14.73 14.73 59.84 59.84 0.00 0.00 0.00 0.00 Average: ens3 55.70 37.57 548.63 8.99 0.00 0.00 0.00 0.00 Average: docker0 3.97 5.99 0.23 74.72 0.00 0.00 0.00 0.00 Average: br-b87b237187a8 11.97 12.84 12.21 57.67 0.00 0.00 0.00 0.00 Average: vetha52f928 16.70 17.64 12.45 144.53 0.00 0.00 0.00 0.01 Average: veth3291446 45.79 49.74 28.28 18.96 0.00 0.00 0.00 0.00 Average: veth68bfab1 0.05 0.07 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethe844d5a 8.67 9.64 87.77 54.31 0.00 0.00 0.00 0.01 Average: veth92a5542 6.81 5.86 54.30 26.94 0.00 0.00 0.00 0.00 Average: vethb1ee885 32.93 30.48 40.55 15.21 0.00 0.00 0.00 0.00 Average: veth233e3a9 19.78 18.05 8.01 13.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1258) 03/11/26 _x86_64_ (8 CPU) 17:23:19 LINUX RESTART (8 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:03 all 20.04 0.00 3.36 1.75 0.09 74.76 17:40:03 0 21.94 0.00 3.65 2.24 0.08 72.09 17:40:03 1 19.33 0.00 3.34 1.86 0.09 75.38 17:40:03 2 23.62 0.00 3.54 2.07 0.10 70.68 17:40:03 3 17.61 0.00 3.71 1.62 0.08 76.98 17:40:03 4 18.91 0.00 3.53 1.34 0.09 76.14 17:40:03 5 22.00 0.00 3.10 0.94 0.09 73.87 17:40:03 6 17.55 0.00 2.50 1.84 0.08 78.03 17:40:03 7 19.33 0.00 3.57 2.12 0.09 74.90 17:50:10 all 6.80 0.02 1.23 5.98 0.06 85.91 17:50:10 0 6.81 0.02 1.30 1.68 0.06 90.14 17:50:10 1 6.78 0.03 1.54 14.02 0.07 77.56 17:50:10 2 6.49 0.04 1.22 1.70 0.07 90.48 17:50:10 3 7.14 0.01 1.04 2.25 0.05 89.51 17:50:10 4 6.61 0.03 1.19 22.80 0.06 69.31 17:50:10 5 7.05 0.02 1.14 1.41 0.06 90.32 17:50:10 6 6.53 0.02 1.32 1.27 0.06 90.80 17:50:10 7 6.95 0.02 1.10 2.72 0.05 89.15 18:00:10 all 10.09 0.01 1.49 3.40 0.09 84.93 18:00:10 0 7.81 0.01 1.54 2.01 0.09 88.55 18:00:10 1 11.40 0.00 1.70 1.90 0.11 84.89 18:00:10 2 11.34 0.01 1.60 3.38 0.10 83.58 18:00:10 3 9.22 0.00 1.56 6.59 0.10 82.53 18:00:10 4 10.56 0.01 1.34 2.63 0.08 85.39 18:00:10 5 9.88 0.00 1.28 2.73 0.08 86.02 18:00:10 6 10.68 0.02 1.43 5.74 0.09 82.05 18:00:10 7 9.83 0.00 1.45 2.22 0.10 86.41 18:10:01 all 8.22 0.00 1.90 4.89 0.12 84.86 18:10:01 0 6.62 0.00 1.91 2.94 0.12 88.40 18:10:01 1 8.31 0.00 1.92 7.85 0.13 81.79 18:10:01 2 9.98 0.00 2.29 5.57 0.12 82.03 18:10:01 3 7.96 0.01 1.83 1.92 0.11 88.18 18:10:01 4 9.25 0.00 1.86 5.67 0.12 83.10 18:10:01 5 7.48 0.00 1.68 2.35 0.11 88.37 18:10:01 6 9.29 0.00 2.06 9.95 0.12 78.57 18:10:01 7 6.88 0.01 1.67 2.93 0.10 88.41 18:20:01 all 7.77 0.00 1.88 0.35 0.10 89.90 18:20:01 0 5.61 0.01 1.58 0.26 0.09 92.47 18:20:01 1 8.97 0.00 1.95 0.30 0.10 88.68 18:20:01 2 8.01 0.00 2.05 0.27 0.10 89.56 18:20:01 3 9.18 0.00 2.13 0.38 0.10 88.21 18:20:01 4 7.81 0.00 1.92 0.94 0.10 89.24 18:20:01 5 8.84 0.01 2.03 0.24 0.10 88.79 18:20:01 6 6.09 0.01 1.48 0.14 0.09 92.18 18:20:01 7 7.67 0.00 1.92 0.26 0.10 90.05 Average: all 10.59 0.01 1.97 3.28 0.09 84.06 Average: 0 9.77 0.01 1.99 1.82 0.09 86.32 Average: 1 10.97 0.01 2.09 5.20 0.10 81.64 Average: 2 11.89 0.01 2.14 2.59 0.10 83.27 Average: 3 10.23 0.00 2.05 2.55 0.09 85.08 Average: 4 10.63 0.01 1.97 6.71 0.09 80.60 Average: 5 11.07 0.01 1.84 1.53 0.09 85.46 Average: 6 10.03 0.01 1.76 3.76 0.09 84.36 Average: 7 10.14 0.01 1.94 2.05 0.09 85.77