---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1019 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 28G 128G 18% / 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 886 14153 4 17052 30737 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:73:51:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.141/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83128sec preferred_lft 83128sec inet6 fe80::f816:3eff:fe73:51bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:46:ee:66:1b:cc 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::8046:eeff:fe66:1bcc/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-1019) 03/02/26 _x86_64_ (8 CPU) 12:35:31 LINUX RESTART (8 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:15 424.32 3.64 412.44 8.24 798.45 52147.19 79191.92 13:00:15 236.55 0.95 226.73 8.86 27.15 26687.92 56476.26 13:10:01 28.87 0.94 25.46 2.46 41.31 4020.79 10939.72 13:20:11 12.27 0.19 11.56 0.52 5.29 2631.47 181.10 Average: 177.17 1.44 170.69 5.04 221.61 21578.82 36950.75 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:15 10655468 27436388 4787360 14.57 489272 15640392 4765808 14.05 4695172 16060300 708404 13:00:15 239160 21502248 10639980 32.38 590776 19698216 16017652 47.23 5927936 22935900 3116 13:10:01 288276 19167708 12848640 39.10 587360 17489764 18756088 55.31 5736436 23054892 29040 13:20:11 303252 18720620 13254704 40.33 587584 17083132 19200376 56.62 5659396 23131384 10696 Average: 2871539 21706741 10382671 31.59 563748 17477876 14684981 43.30 5504735 21295619 187814 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:15 lo 0.45 0.45 0.07 0.07 0.00 0.00 0.00 0.00 12:50:15 ens3 204.17 124.16 2002.65 24.06 0.00 0.00 0.00 0.00 12:50:15 docker0 22.91 39.33 1.33 712.47 0.00 0.00 0.00 0.00 13:00:15 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 13:00:15 ens3 164.40 114.75 1786.38 30.45 0.00 0.00 0.00 0.00 13:00:15 docker0 12.93 17.49 0.71 213.89 0.00 0.00 0.00 0.00 13:00:15 br-ed3443dc35f9 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 13:00:15 vethc97333b 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:00:15 vethbae4962 9.34 9.43 5.06 1.69 0.00 0.00 0.00 0.00 13:00:15 vetheb1d55c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:00:15 vethee6ad37 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:00:15 veth5c2a621 0.31 0.34 0.03 0.13 0.00 0.00 0.00 0.00 13:00:15 veth602aff8 4.08 3.78 0.66 1.48 0.00 0.00 0.00 0.00 13:00:15 veth34d12cb 0.13 0.20 0.26 0.04 0.00 0.00 0.00 0.00 13:00:15 veth0886a17 1.08 0.92 0.14 0.98 0.00 0.00 0.00 0.00 13:10:01 lo 15.41 15.41 40.17 40.17 0.00 0.00 0.00 0.00 13:10:01 ens3 10.49 8.98 32.24 1.78 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 br-ed3443dc35f9 14.48 17.29 7.50 64.79 0.00 0.00 0.00 0.00 13:10:01 vethc97333b 24.71 27.60 7.33 271.15 0.00 0.00 0.00 0.02 13:10:01 vethbae4962 113.18 121.48 66.04 56.96 0.00 0.00 0.00 0.01 13:10:01 vetheb1d55c 16.94 18.61 207.71 97.51 0.00 0.00 0.00 0.02 13:10:01 vethee6ad37 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:10:01 veth5c2a621 10.09 8.38 96.99 25.95 0.00 0.00 0.00 0.01 13:10:01 veth602aff8 88.77 82.83 81.53 40.43 0.00 0.00 0.00 0.01 13:10:01 veth0886a17 39.11 36.05 16.17 28.16 0.00 0.00 0.00 0.00 13:20:11 lo 35.25 35.25 167.77 167.77 0.00 0.00 0.00 0.00 13:20:11 ens3 0.79 0.64 0.19 0.45 0.00 0.00 0.00 0.00 13:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:11 br-ed3443dc35f9 29.78 31.45 33.78 135.78 0.00 0.00 0.00 0.00 13:20:11 vethc97333b 35.29 37.17 34.38 187.79 0.00 0.00 0.00 0.02 13:20:11 vethbae4962 70.03 76.74 52.73 27.72 0.00 0.00 0.00 0.00 13:20:11 vetheb1d55c 10.79 11.39 53.79 53.63 0.00 0.00 0.00 0.00 13:20:11 vethee6ad37 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:11 veth5c2a621 10.24 9.33 54.11 42.43 0.00 0.00 0.00 0.00 13:20:11 veth602aff8 41.95 39.38 51.89 19.93 0.00 0.00 0.00 0.00 13:20:11 veth0886a17 41.33 37.29 18.51 35.52 0.00 0.00 0.00 0.00 Average: lo 12.92 12.92 52.26 52.26 0.00 0.00 0.00 0.00 Average: ens3 95.72 62.56 963.14 14.26 0.00 0.00 0.00 0.00 Average: docker0 9.06 14.38 0.51 234.83 0.00 0.00 0.00 0.00 Average: br-ed3443dc35f9 11.13 12.23 10.37 50.12 0.00 0.00 0.00 0.00 Average: vethc97333b 14.94 16.14 10.48 113.42 0.00 0.00 0.00 0.01 Average: vethbae4962 47.55 51.29 30.65 21.28 0.00 0.00 0.00 0.00 Average: vetheb1d55c 6.86 7.44 64.09 37.27 0.00 0.00 0.00 0.01 Average: vethee6ad37 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth5c2a621 5.12 4.48 37.27 17.08 0.00 0.00 0.00 0.00 Average: veth602aff8 33.20 31.04 33.11 15.24 0.00 0.00 0.00 0.00 Average: veth0886a17 20.23 18.43 8.65 16.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1019) 03/02/26 _x86_64_ (8 CPU) 12:35:31 LINUX RESTART (8 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:15 all 15.78 0.00 3.56 0.74 0.06 79.86 12:50:15 0 15.84 0.00 3.22 0.56 0.07 80.32 12:50:15 1 16.43 0.00 4.13 0.76 0.07 78.62 12:50:15 2 18.00 0.00 4.55 1.06 0.06 76.33 12:50:15 3 13.37 0.00 2.78 0.60 0.05 83.20 12:50:15 4 15.50 0.00 3.61 0.80 0.06 80.03 12:50:15 5 17.04 0.00 3.85 0.56 0.07 78.49 12:50:15 6 15.67 0.00 3.37 0.86 0.06 80.04 12:50:15 7 14.38 0.00 2.97 0.76 0.06 81.84 13:00:15 all 17.27 0.02 2.21 0.53 0.07 79.90 13:00:15 0 22.02 0.02 2.33 0.33 0.07 75.24 13:00:15 1 17.43 0.01 2.08 0.76 0.06 79.66 13:00:15 2 19.00 0.02 2.51 0.46 0.07 77.93 13:00:15 3 14.77 0.02 2.18 0.50 0.07 82.46 13:00:15 4 16.15 0.03 2.37 0.52 0.07 80.86 13:00:15 5 16.56 0.03 2.02 0.61 0.07 80.70 13:00:15 6 16.53 0.03 2.13 0.56 0.07 80.68 13:00:15 7 15.73 0.05 2.04 0.48 0.06 81.64 13:10:01 all 10.75 0.01 1.69 0.14 0.08 87.34 13:10:01 0 10.13 0.01 1.76 0.24 0.08 87.78 13:10:01 1 12.05 0.00 1.76 0.19 0.09 85.92 13:10:01 2 12.05 0.00 1.88 0.18 0.08 85.81 13:10:01 3 11.06 0.00 1.69 0.12 0.08 87.04 13:10:01 4 10.28 0.01 1.59 0.13 0.08 87.90 13:10:01 5 10.21 0.00 1.78 0.10 0.08 87.83 13:10:01 6 11.09 0.01 1.52 0.08 0.08 87.22 13:10:01 7 9.10 0.02 1.54 0.06 0.08 89.21 13:20:11 all 8.80 0.00 2.02 0.05 0.09 89.05 13:20:11 0 8.73 0.00 2.21 0.10 0.09 88.87 13:20:11 1 8.91 0.00 2.10 0.09 0.09 88.82 13:20:11 2 9.01 0.00 2.10 0.02 0.09 88.77 13:20:11 3 8.81 0.00 2.01 0.04 0.09 89.04 13:20:11 4 8.92 0.00 1.99 0.02 0.09 88.98 13:20:11 5 8.34 0.00 1.91 0.04 0.09 89.62 13:20:11 6 9.18 0.00 1.96 0.04 0.09 88.73 13:20:11 7 8.47 0.00 1.83 0.04 0.09 89.57 Average: all 13.16 0.01 2.38 0.37 0.07 84.01 Average: 0 14.20 0.01 2.39 0.31 0.07 83.02 Average: 1 13.71 0.00 2.53 0.45 0.08 83.23 Average: 2 14.53 0.01 2.77 0.44 0.08 82.18 Average: 3 12.01 0.01 2.17 0.32 0.07 85.42 Average: 4 12.73 0.01 2.40 0.37 0.07 84.41 Average: 5 13.06 0.01 2.40 0.33 0.08 84.12 Average: 6 13.13 0.01 2.26 0.39 0.07 84.14 Average: 7 11.94 0.02 2.10 0.34 0.07 85.53