---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15511 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 728 9646 4 5614 14918 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:c4:28:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83164sec preferred_lft 83164sec inet6 fe80::f816:3eff:fec4:284d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:18:2a:98:4f:a7 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-15511) 05/15/26 _x86_64_ (4 CPU) 12:11:04 LINUX RESTART (4 CPU) 12:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:00 1.20 0.01 1.19 0.00 0.04 13.57 0.13 12:40:00 39.04 4.68 33.62 0.75 273.20 3932.89 597.16 12:50:00 29.74 0.15 26.51 3.08 6.13 3891.56 12005.23 13:00:00 26.66 0.04 23.82 2.80 1.37 5973.59 11354.42 Average: 24.16 1.22 21.28 1.66 70.19 3452.89 5989.21 12:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:00 13780552 15529148 489820 2.99 54132 1921380 1136280 6.52 194092 2147464 124 12:40:00 10947512 14002916 1959512 11.97 122148 3086904 2313160 13.28 478916 4589100 179872 12:50:00 9515272 13255128 2700472 16.49 159632 3667328 2871692 16.48 728744 5695312 10364 13:00:00 7542876 12690836 3258368 19.90 189188 4974192 3384740 19.43 1027152 7299808 24424 Average: 10446553 13869507 2102043 12.84 131275 3412451 2426468 13.93 607226 4932921 53696 12:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:00 ens3 0.35 0.08 0.05 0.02 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:00 lo 97.22 97.22 92.12 92.12 0.00 0.00 0.00 0.00 12:40:00 ens3 107.53 79.40 992.51 15.14 0.00 0.00 0.00 0.00 12:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 1354.37 1354.37 1291.13 1291.13 0.00 0.00 0.00 0.00 12:50:00 ens3 59.52 46.38 99.93 14.74 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 739.51 739.51 704.09 704.09 0.00 0.00 0.00 0.00 13:00:00 ens3 58.78 43.89 234.44 12.94 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 547.80 547.80 521.84 521.84 0.00 0.00 0.00 0.00 Average: ens3 56.54 42.44 331.73 10.71 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 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-15511) 05/15/26 _x86_64_ (4 CPU) 12:11:04 LINUX RESTART (4 CPU) 12:20:00 CPU %user %nice %system %iowait %steal %idle 12:30:00 all 0.20 0.00 0.03 0.11 0.01 99.66 12:30:00 0 0.03 0.00 0.01 0.06 0.00 99.90 12:30:00 1 0.04 0.00 0.04 0.35 0.02 99.56 12:30:00 2 0.03 0.00 0.03 0.01 0.01 99.92 12:30:00 3 0.68 0.00 0.03 0.02 0.01 99.25 12:40:00 all 17.10 0.00 0.81 0.29 0.04 81.77 12:40:00 0 18.20 0.00 0.65 0.12 0.04 80.99 12:40:00 1 15.99 0.00 0.76 0.48 0.05 82.73 12:40:00 2 15.78 0.00 0.80 0.14 0.04 83.24 12:40:00 3 18.43 0.00 1.02 0.41 0.04 80.10 12:50:00 all 65.29 0.00 2.46 0.14 0.10 32.01 12:50:00 0 65.27 0.00 2.22 0.15 0.10 32.26 12:50:00 1 65.21 0.00 2.38 0.15 0.11 32.15 12:50:00 2 66.64 0.00 2.52 0.12 0.11 30.62 12:50:00 3 64.04 0.00 2.70 0.13 0.10 33.02 13:00:00 all 60.60 0.00 2.20 0.08 0.10 37.02 13:00:00 0 60.78 0.00 1.94 0.03 0.10 37.15 13:00:00 1 55.34 0.00 1.95 0.21 0.10 42.40 13:00:00 2 64.26 0.00 2.87 0.04 0.10 32.73 13:00:00 3 62.01 0.00 2.04 0.06 0.09 35.80 Average: all 35.75 0.00 1.37 0.15 0.06 62.66 Average: 0 36.03 0.00 1.21 0.09 0.06 62.62 Average: 1 34.12 0.00 1.28 0.30 0.07 64.23 Average: 2 36.63 0.00 1.55 0.08 0.06 61.68 Average: 3 36.23 0.00 1.45 0.15 0.06 62.10