---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2041 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 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 854 9389 4 21848 30769 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:59:9a:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.107/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83583sec preferred_lft 83583sec inet6 fe80::f816:3eff:fe59:9ae4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:bd:db:db:8f:d0 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::94bd:dbff:fedb:8fd0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2041) 04/15/26 _x86_64_ (8 CPU) 22:40:02 LINUX RESTART (8 CPU) 22:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:03 1.51 0.21 1.28 0.02 1.81 15.39 25.13 23:10:00 207.78 3.26 195.94 8.57 267.35 27972.00 146917.64 23:20:03 306.57 0.95 298.88 6.75 13.05 62444.86 325856.42 Average: 172.12 1.47 165.54 5.11 93.64 30202.88 157904.92 22:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:03 30152624 31780232 607860 1.85 60820 1905700 1525476 4.50 182608 2243408 236 23:10:00 23433472 31193112 1094760 3.33 243940 7570876 1706548 5.03 2136096 6613728 217560 23:20:03 10375100 30987840 1236936 3.76 507600 19522908 1838048 5.42 8483228 12657092 1827280 Average: 21320399 31320395 979852 2.98 270787 9666495 1690024 4.98 3600644 7171409 681692 22:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:03 ens3 0.37 0.24 0.14 0.27 0.00 0.00 0.00 0.00 23:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:00 lo 0.86 0.86 0.18 0.18 0.00 0.00 0.00 0.00 23:10:00 ens3 185.27 122.62 2145.04 1008.31 0.00 0.00 0.00 0.00 23:10:00 docker0 15.39 39.84 1.02 820.68 0.00 0.00 0.00 0.00 23:10:00 vethf04aa33 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 23:10:00 veth21e9a8e 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 23:20:03 lo 0.42 0.42 0.08 0.08 0.00 0.00 0.00 0.00 23:20:03 ens3 141.58 101.77 1429.42 2728.20 0.00 0.00 0.00 0.00 23:20:03 docker0 22.46 34.26 1.74 662.35 0.00 0.00 0.00 0.00 23:20:03 veth6056744 14.18 19.59 0.96 458.40 0.00 0.00 0.00 0.04 Average: lo 0.46 0.46 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 109.00 74.84 1190.32 1248.53 0.00 0.00 0.00 0.00 Average: docker0 12.63 24.69 0.92 494.07 0.00 0.00 0.00 0.00 Average: veth6056744 4.75 6.56 0.32 153.58 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2041) 04/15/26 _x86_64_ (8 CPU) 22:40:02 LINUX RESTART (8 CPU) 22:50:03 CPU %user %nice %system %iowait %steal %idle 23:00:03 all 0.02 0.00 0.01 0.03 0.01 99.93 23:00:03 0 0.03 0.00 0.04 0.04 0.03 99.87 23:00:03 1 0.01 0.00 0.01 0.00 0.02 99.96 23:00:03 2 0.03 0.00 0.01 0.15 0.01 99.81 23:00:03 3 0.00 0.00 0.00 0.08 0.01 99.91 23:00:03 4 0.02 0.00 0.02 0.01 0.01 99.94 23:00:03 5 0.01 0.00 0.01 0.00 0.01 99.97 23:00:03 6 0.02 0.00 0.01 0.00 0.01 99.97 23:00:03 7 0.01 0.00 0.01 0.00 0.00 99.98 23:10:00 all 6.57 0.00 1.84 0.83 0.04 90.72 23:10:00 0 8.05 0.00 1.65 0.62 0.05 89.64 23:10:00 1 7.13 0.00 2.12 1.38 0.05 89.33 23:10:00 2 8.53 0.00 1.84 0.70 0.04 88.90 23:10:00 3 6.03 0.00 1.84 1.10 0.04 90.98 23:10:00 4 5.31 0.00 2.28 1.09 0.04 91.28 23:10:00 5 6.58 0.00 1.68 0.37 0.04 91.33 23:10:00 6 7.37 0.00 1.78 0.38 0.04 90.44 23:10:00 7 3.58 0.00 1.54 0.99 0.03 93.86 23:20:03 all 9.03 0.00 3.37 2.03 0.06 85.52 23:20:03 0 8.79 0.00 3.05 1.49 0.06 86.62 23:20:03 1 11.33 0.00 4.04 1.89 0.06 82.68 23:20:03 2 9.11 0.00 3.68 3.08 0.07 84.07 23:20:03 3 8.67 0.00 3.23 2.27 0.05 85.77 23:20:03 4 8.64 0.00 3.01 2.13 0.05 86.17 23:20:03 5 8.69 0.00 3.55 2.40 0.06 85.29 23:20:03 6 8.86 0.00 3.43 1.81 0.06 85.84 23:20:03 7 8.17 0.00 2.94 1.15 0.05 87.69 Average: all 5.20 0.00 1.74 0.96 0.04 92.06 Average: 0 5.61 0.00 1.58 0.72 0.04 92.05 Average: 1 6.15 0.00 2.06 1.09 0.04 90.66 Average: 2 5.88 0.00 1.84 1.31 0.04 90.93 Average: 3 4.90 0.00 1.69 1.15 0.03 92.23 Average: 4 4.65 0.00 1.77 1.07 0.03 92.47 Average: 5 5.09 0.00 1.75 0.93 0.04 92.20 Average: 6 5.41 0.00 1.74 0.73 0.03 92.09 Average: 7 3.91 0.00 1.50 0.71 0.03 93.85