---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4161 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: 5599.94 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 873 12276 4 18942 30751 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:fc:c5:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.239/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:fefc:c551/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:25:50:dd:01:3f 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::a425:50ff:fedd:13f/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-4161) 04/06/26 _x86_64_ (8 CPU) 12:48:48 LINUX RESTART (8 CPU) 12:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:06 711.63 4.79 687.20 19.65 515.49 71098.81 100573.38 13:10:01 49.40 0.33 46.49 2.59 7.06 2674.09 1293.03 Average: 378.13 2.54 364.53 11.06 259.44 36639.69 50575.17 12:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:06 5401776 24368700 7792372 23.71 581328 17537500 11490368 33.88 4576588 19256044 488 13:10:01 794404 20282668 11869788 36.12 594236 18019480 17327268 51.10 4817212 23575468 728 Average: 3098090 22325684 9831080 29.92 587782 17778490 14408818 42.49 4696900 21415756 608 12:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:06 lo 1.00 1.00 0.18 0.18 0.00 0.00 0.00 0.00 13:00:06 ens3 480.75 314.23 4313.45 90.57 0.00 0.00 0.00 0.00 13:00:06 docker0 24.99 42.08 1.46 792.94 0.00 0.00 0.00 0.00 13:00:06 br-ce3589e68206 0.21 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:00:06 veth7df99b4 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:00:06 veth4b8cae6 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:00:06 veth02c2383 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:00:06 veth2a48f48 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 veth1b5edf1 0.36 0.45 0.03 0.03 0.00 0.00 0.00 0.00 13:00:06 veth34be853 0.35 0.31 0.03 0.03 0.00 0.00 0.00 0.00 13:10:01 lo 2.81 2.81 7.58 7.58 0.00 0.00 0.00 0.00 13:10:01 ens3 6.93 3.95 2.01 1.80 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-ce3589e68206 1.49 1.43 7.20 0.40 0.00 0.00 0.00 0.00 13:10:01 veth7df99b4 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 13:10:01 veth4b8cae6 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 veth02c2383 0.53 0.38 0.07 0.34 0.00 0.00 0.00 0.00 13:10:01 veth2a48f48 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 veth1b5edf1 156.74 167.54 107.65 80.43 0.00 0.00 0.00 0.01 13:10:01 veth592af48 95.45 88.97 67.62 46.90 0.00 0.00 0.00 0.01 13:10:01 vethd149230 72.73 67.31 33.87 60.62 0.00 0.00 0.00 0.00 Average: lo 1.91 1.91 3.90 3.90 0.00 0.00 0.00 0.00 Average: ens3 242.13 157.97 2142.18 45.87 0.00 0.00 0.00 0.00 Average: docker0 12.41 20.89 0.72 393.61 0.00 0.00 0.00 0.00 Average: br-ce3589e68206 0.85 0.82 3.63 0.21 0.00 0.00 0.00 0.00 Average: veth7df99b4 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth4b8cae6 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth02c2383 0.29 0.24 0.04 0.17 0.00 0.00 0.00 0.00 Average: veth2a48f48 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1b5edf1 79.11 84.60 54.23 40.52 0.00 0.00 0.00 0.00 Average: veth592af48 48.07 44.80 34.05 23.62 0.00 0.00 0.00 0.00 Average: vethd149230 36.63 33.90 17.06 30.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4161) 04/06/26 _x86_64_ (8 CPU) 12:48:48 LINUX RESTART (8 CPU) 12:50:20 CPU %user %nice %system %iowait %steal %idle 13:00:06 all 36.10 0.00 5.28 1.08 0.08 57.45 13:00:06 0 31.06 0.00 5.31 1.28 0.08 62.27 13:00:06 1 38.95 0.00 5.40 0.66 0.08 54.90 13:00:06 2 38.08 0.00 5.42 1.14 0.09 55.27 13:00:06 3 36.28 0.00 5.01 1.09 0.08 57.54 13:00:06 4 34.98 0.00 4.93 0.92 0.08 59.08 13:00:06 5 38.82 0.01 5.97 1.17 0.08 53.94 13:00:06 6 32.94 0.00 5.07 1.23 0.08 60.67 13:00:06 7 37.66 0.00 5.16 1.16 0.08 55.95 13:10:01 all 9.55 0.02 0.97 0.17 0.07 89.22 13:10:01 0 8.52 0.02 0.95 0.41 0.07 90.03 13:10:01 1 9.07 0.01 0.95 0.04 0.08 89.84 13:10:01 2 11.08 0.02 1.06 0.24 0.07 87.53 13:10:01 3 9.70 0.02 0.91 0.04 0.07 89.27 13:10:01 4 9.15 0.01 0.98 0.14 0.07 89.65 13:10:01 5 10.38 0.02 0.87 0.12 0.07 88.53 13:10:01 6 8.91 0.06 0.93 0.09 0.06 89.95 13:10:01 7 9.58 0.02 1.10 0.27 0.07 88.96 Average: all 22.71 0.01 3.11 0.62 0.08 73.47 Average: 0 19.70 0.01 3.11 0.84 0.08 76.26 Average: 1 23.88 0.01 3.16 0.35 0.08 72.52 Average: 2 24.48 0.01 3.22 0.69 0.08 71.53 Average: 3 22.88 0.01 2.94 0.56 0.08 73.53 Average: 4 21.96 0.01 2.94 0.53 0.07 74.49 Average: 5 24.46 0.02 3.40 0.64 0.08 71.40 Average: 6 20.83 0.03 2.98 0.66 0.07 75.43 Average: 7 23.49 0.01 3.11 0.71 0.07 72.60