---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3161 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): 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: 5600.00 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 11G 67G 14% / 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 614 11596 4 3778 15032 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:01:1d:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.230/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82663sec preferred_lft 82663sec inet6 fe80::f816:3eff:fe01:1d4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:73:35:e0:4f:3b 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-3161) 04/19/26 _x86_64_ (4 CPU) 10:06:30 LINUX RESTART (4 CPU) 10:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 18.01 0.58 4.10 13.33 616.13 673.66 258813.61 10:30:10 1.66 0.20 1.45 0.01 1.79 17.53 24.47 10:40:02 1.40 0.00 1.40 0.00 0.20 16.19 0.00 10:50:01 1.60 0.16 1.44 0.00 6.08 16.93 0.00 11:00:08 1.62 0.00 1.62 0.00 0.00 18.32 0.00 Average: 4.81 0.19 1.99 2.63 123.02 146.59 51001.42 10:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 13394856 15489688 525932 3.21 59500 2260328 1153392 6.62 385288 2339788 212 10:30:10 13394928 15491084 524628 3.20 60656 2260464 1153908 6.62 386472 2339180 192 10:40:02 13394424 15491252 524340 3.20 61232 2260536 1154228 6.63 387068 2340300 228 10:50:01 13371176 15470828 544132 3.32 61812 2262364 1157500 6.64 388940 2363116 8 11:00:08 13370812 15471100 543904 3.32 62420 2262368 1157564 6.64 389564 2363360 224 Average: 13385239 15482790 532587 3.25 61124 2261212 1155318 6.63 387466 2349149 173 10:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 10:20:01 ens3 11.81 5.63 191.39 0.70 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:10 ens3 1.27 0.21 0.65 0.26 0.00 0.00 0.00 0.00 10:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:02 ens3 0.31 0.19 0.13 0.24 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:01 ens3 1.19 0.90 0.77 0.74 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:08 ens3 0.45 0.24 0.17 0.28 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.98 1.42 38.06 0.44 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-3161) 04/19/26 _x86_64_ (4 CPU) 10:06:30 LINUX RESTART (4 CPU) 10:10:10 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 0.44 0.00 0.14 0.67 0.01 98.74 10:20:01 0 0.56 0.00 0.15 1.88 0.01 97.40 10:20:01 1 0.57 0.00 0.14 0.40 0.01 98.87 10:20:01 2 0.33 0.00 0.14 0.28 0.01 99.24 10:20:01 3 0.29 0.00 0.11 0.12 0.01 99.47 10:30:10 all 0.06 0.00 0.03 0.13 0.01 99.78 10:30:10 0 0.03 0.00 0.02 0.08 0.00 99.87 10:30:10 1 0.02 0.00 0.02 0.34 0.01 99.60 10:30:10 2 0.04 0.00 0.03 0.07 0.01 99.85 10:30:10 3 0.13 0.00 0.03 0.03 0.01 99.79 10:40:02 all 0.04 0.00 0.02 0.05 0.06 99.83 10:40:02 0 0.02 0.00 0.01 0.01 0.03 99.93 10:40:02 1 0.03 0.00 0.03 0.12 0.10 99.72 10:40:02 2 0.03 0.00 0.02 0.06 0.07 99.83 10:40:02 3 0.09 0.00 0.02 0.02 0.03 99.84 10:50:01 all 0.27 0.00 0.03 0.03 0.01 99.66 10:50:01 0 0.09 0.00 0.02 0.02 0.01 99.87 10:50:01 1 0.11 0.00 0.04 0.00 0.01 99.84 10:50:01 2 0.85 0.00 0.04 0.08 0.01 99.02 10:50:01 3 0.05 0.00 0.03 0.02 0.01 99.90 11:00:08 all 0.18 0.00 0.02 0.09 0.02 99.69 11:00:08 0 0.02 0.00 0.01 0.25 0.00 99.71 11:00:08 1 0.49 0.00 0.02 0.04 0.01 99.44 11:00:08 2 0.19 0.00 0.04 0.04 0.04 99.68 11:00:08 3 0.03 0.00 0.01 0.02 0.00 99.94 Average: all 0.20 0.00 0.05 0.19 0.02 99.54 Average: 0 0.14 0.00 0.04 0.44 0.01 99.36 Average: 1 0.24 0.00 0.05 0.18 0.03 99.50 Average: 2 0.29 0.00 0.05 0.11 0.03 99.52 Average: 3 0.12 0.00 0.04 0.04 0.01 99.79