---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2012 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 16G 140G 11% / 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 773 22188 4 9129 30850 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:59:26:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.49/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85320sec preferred_lft 85320sec inet6 fe80::f816:3eff:fe59:261a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:90:6d:38:50:c1 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::6490:6dff:fe38:50c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2012) 04/15/26 _x86_64_ (8 CPU) 18:15:00 LINUX RESTART (8 CPU) 18:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:01 110.22 4.23 102.64 3.35 694.38 21274.98 951.25 Average: 110.22 4.23 102.64 3.35 694.38 21274.98 951.25 18:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:01 21911892 29912672 2346496 7.14 166076 7949344 7244692 21.36 737296 9562596 12956 Average: 21911892 29912672 2346496 7.14 166076 7949344 7244692 21.36 737296 9562596 12956 18:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:01 lo 1.82 1.82 0.28 0.28 0.00 0.00 0.00 0.00 18:30:01 ens3 118.02 71.33 2807.33 11.14 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 br-355729e65e03 1.42 1.72 0.10 36.17 0.00 0.00 0.00 0.00 18:30:01 vethd614f62 0.06 0.12 0.01 0.10 0.00 0.00 0.00 0.00 18:30:01 veth0b0136e 0.28 0.39 0.04 0.04 0.00 0.00 0.00 0.00 18:30:01 veth95c6fc9 13.70 15.51 2.58 2.43 0.00 0.00 0.00 0.00 18:30:01 veth559f593 1.37 1.77 0.11 36.17 0.00 0.00 0.00 0.00 18:30:01 vethc9b849d 9.14 9.09 1.60 1.86 0.00 0.00 0.00 0.00 18:30:01 veth3fc0477 0.36 0.31 0.10 0.05 0.00 0.00 0.00 0.00 18:30:01 veth630499d 0.24 0.24 0.04 0.03 0.00 0.00 0.00 0.00 Average: lo 1.82 1.82 0.28 0.28 0.00 0.00 0.00 0.00 Average: ens3 118.02 71.33 2807.33 11.14 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-355729e65e03 1.42 1.72 0.10 36.17 0.00 0.00 0.00 0.00 Average: vethd614f62 0.06 0.12 0.01 0.10 0.00 0.00 0.00 0.00 Average: veth0b0136e 0.28 0.39 0.04 0.04 0.00 0.00 0.00 0.00 Average: veth95c6fc9 13.70 15.51 2.58 2.43 0.00 0.00 0.00 0.00 Average: veth559f593 1.37 1.77 0.11 36.17 0.00 0.00 0.00 0.00 Average: vethc9b849d 9.14 9.09 1.60 1.86 0.00 0.00 0.00 0.00 Average: veth3fc0477 0.36 0.31 0.10 0.05 0.00 0.00 0.00 0.00 Average: veth630499d 0.24 0.24 0.04 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2012) 04/15/26 _x86_64_ (8 CPU) 18:15:00 LINUX RESTART (8 CPU) 18:20:01 CPU %user %nice %system %iowait %steal %idle 18:30:01 all 4.84 0.00 1.19 0.38 0.02 93.56 18:30:01 0 3.85 0.00 1.21 0.61 0.02 94.31 18:30:01 1 4.23 0.00 1.30 0.60 0.03 93.84 18:30:01 2 6.34 0.00 1.31 0.43 0.02 91.90 18:30:01 3 6.41 0.00 1.16 0.29 0.02 92.13 18:30:01 4 4.50 0.00 1.26 0.29 0.03 93.92 18:30:01 5 4.41 0.00 1.08 0.21 0.02 94.28 18:30:01 6 4.51 0.00 1.13 0.49 0.02 93.86 18:30:01 7 4.50 0.00 1.08 0.17 0.02 94.24 Average: all 4.84 0.00 1.19 0.38 0.02 93.56 Average: 0 3.85 0.00 1.21 0.61 0.02 94.31 Average: 1 4.23 0.00 1.30 0.60 0.03 93.84 Average: 2 6.34 0.00 1.31 0.43 0.02 91.90 Average: 3 6.41 0.00 1.16 0.29 0.02 92.13 Average: 4 4.50 0.00 1.26 0.29 0.03 93.92 Average: 5 4.41 0.00 1.08 0.21 0.02 94.28 Average: 6 4.51 0.00 1.13 0.49 0.02 93.86 Average: 7 4.50 0.00 1.08 0.17 0.02 94.24