---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1435 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: 5599.86 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 1.8M 3.2G 1% /run /dev/vda1 155G 27G 129G 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 7151 4266 9 20673 24431 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:08:18:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.37/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:fe08:18cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:c1:73:2d:80:43 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::a0c1:73ff:fe2d:8043/64 scope link valid_lft forever preferred_lft forever 108: br-f97a647255dd: mtu 1500 qdisc noqueue state UP group default link/ether 22:6b:06:63:e5:a8 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-f97a647255dd valid_lft forever preferred_lft forever inet6 fe80::206b:6ff:fe63:e5a8/64 scope link valid_lft forever preferred_lft forever 109: veth996f8bc@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether da:f5:c6:72:0d:fb brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::d8f5:c6ff:fe72:dfb/64 scope link valid_lft forever preferred_lft forever 110: veth65dfa5c@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether f2:5c:d9:c8:19:ed brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f05c:d9ff:fec8:19ed/64 scope link valid_lft forever preferred_lft forever 111: vethb84b443@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether a2:ed:5b:27:2d:0e brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::a0ed:5bff:fe27:2d0e/64 scope link valid_lft forever preferred_lft forever 112: veth5cf2364@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether 4a:41:c9:dc:88:77 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::4841:c9ff:fedc:8877/64 scope link valid_lft forever preferred_lft forever 113: vethc5eabf2@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether 56:97:bc:b6:56:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5497:bcff:feb6:56e9/64 scope link valid_lft forever preferred_lft forever 117: veth5bab06d@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether c2:aa:de:71:69:65 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::c0aa:deff:fe71:6965/64 scope link valid_lft forever preferred_lft forever 118: veth73546c8@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether 5a:c7:5d:0f:5d:79 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::58c7:5dff:fe0f:5d79/64 scope link valid_lft forever preferred_lft forever 120: veth6885aa3@if2: mtu 1500 qdisc noqueue master br-f97a647255dd state UP group default link/ether 12:8f:9f:26:1f:51 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::108f:9fff:fe26:1f51/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1435) 03/12/26 _x86_64_ (8 CPU) 12:58:08 LINUX RESTART (8 CPU) 13:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:02 406.76 2.02 398.41 6.33 126.01 42348.56 34220.74 13:20:00 285.52 0.44 274.54 10.53 17.90 41430.74 114629.37 Average: 346.23 1.23 336.57 8.43 72.04 41890.36 74362.59 13:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:02 14414280 27458952 4782232 14.55 399552 12188364 5016704 14.79 3202460 14033044 208 13:20:00 298256 21735312 10410116 31.68 600776 19878660 16403828 48.37 5474724 23342512 22032 Average: 7356268 24597132 7596174 23.12 500164 16033512 10710266 31.58 4338592 18687778 11120 13:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:02 lo 0.43 0.43 0.07 0.07 0.00 0.00 0.00 0.00 13:10:02 ens3 384.28 233.89 2241.84 72.76 0.00 0.00 0.00 0.00 13:10:02 docker0 16.89 32.65 1.05 633.93 0.00 0.00 0.00 0.00 13:20:00 lo 0.66 0.66 0.08 0.08 0.00 0.00 0.00 0.00 13:20:00 ens3 200.90 132.86 2006.80 27.83 0.00 0.00 0.00 0.00 13:20:00 docker0 20.06 32.43 1.24 215.36 0.00 0.00 0.00 0.00 13:20:00 br-f97a647255dd 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 13:20:00 veth996f8bc 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:20:00 veth65dfa5c 6.37 6.00 4.39 1.26 0.00 0.00 0.00 0.00 13:20:00 vethb84b443 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:20:00 veth5cf2364 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:00 vethc5eabf2 0.08 0.15 0.01 0.01 0.00 0.00 0.00 0.00 13:20:00 veth5bab06d 0.72 0.77 0.09 0.90 0.00 0.00 0.00 0.00 13:20:00 veth73546c8 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 veth6885aa3 0.33 0.37 0.04 0.52 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 292.73 183.46 2124.51 50.33 0.00 0.00 0.00 0.00 Average: docker0 18.47 32.54 1.14 424.97 0.00 0.00 0.00 0.00 Average: br-f97a647255dd 0.14 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: veth996f8bc 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth65dfa5c 3.18 3.00 2.19 0.63 0.00 0.00 0.00 0.00 Average: vethb84b443 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5cf2364 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc5eabf2 0.04 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5bab06d 0.36 0.38 0.04 0.45 0.00 0.00 0.00 0.00 Average: veth73546c8 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6885aa3 0.17 0.18 0.02 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1435) 03/12/26 _x86_64_ (8 CPU) 12:58:08 LINUX RESTART (8 CPU) 13:00:02 CPU %user %nice %system %iowait %steal %idle 13:10:02 all 22.66 0.00 3.30 1.00 0.07 72.96 13:10:02 0 20.17 0.00 3.21 3.39 0.07 73.16 13:10:02 1 26.77 0.00 3.62 0.44 0.07 69.09 13:10:02 2 20.48 0.00 2.98 1.25 0.08 75.22 13:10:02 3 21.65 0.00 3.22 0.66 0.08 74.39 13:10:02 4 24.32 0.00 3.82 0.67 0.07 71.12 13:10:02 5 23.56 0.00 3.69 0.83 0.07 71.85 13:10:02 6 23.59 0.00 3.25 0.44 0.07 72.66 13:10:02 7 20.77 0.00 2.63 0.34 0.06 76.20 13:20:00 all 18.24 0.02 2.83 0.79 0.07 78.05 13:20:00 0 16.99 0.02 2.83 0.76 0.07 79.34 13:20:00 1 17.09 0.02 3.36 0.78 0.08 78.67 13:20:00 2 17.71 0.02 3.23 0.85 0.07 78.12 13:20:00 3 17.39 0.04 2.83 0.45 0.07 79.22 13:20:00 4 17.47 0.01 2.23 0.46 0.07 79.76 13:20:00 5 24.28 0.03 2.66 0.93 0.07 72.03 13:20:00 6 19.18 0.02 2.81 0.57 0.07 77.35 13:20:00 7 15.82 0.02 2.69 1.51 0.07 79.89 Average: all 20.46 0.01 3.07 0.90 0.07 75.50 Average: 0 18.58 0.01 3.02 2.07 0.07 76.24 Average: 1 21.94 0.01 3.49 0.61 0.07 73.88 Average: 2 19.10 0.01 3.11 1.05 0.07 76.66 Average: 3 19.52 0.02 3.03 0.56 0.07 76.80 Average: 4 20.90 0.00 3.02 0.56 0.07 75.44 Average: 5 23.92 0.01 3.18 0.88 0.07 71.94 Average: 6 21.39 0.01 3.03 0.50 0.07 75.01 Average: 7 18.30 0.01 2.66 0.92 0.07 78.04