---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1251 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 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 713 9677 4 5598 14933 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:00:e4:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84582sec preferred_lft 84582sec inet6 fe80::f816:3eff:fe00:e4d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:3e:fa:7c:69:37 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-4c-4g-1251) 04/08/26 _x86_64_ (4 CPU) 12:37:19 LINUX RESTART (4 CPU) 12:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:06 27.72 2.66 22.91 2.15 148.23 5006.15 9355.20 13:00:01 32.36 0.06 29.10 3.20 1.67 6153.55 17907.57 Average: 30.03 1.36 25.99 2.68 75.21 5577.78 13615.97 12:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:06 9288880 12968532 2988376 18.25 155684 3615492 3217152 18.47 713848 5955404 19532 13:00:01 7743752 12873604 3076224 18.79 188508 4957988 3312520 19.01 1027340 7101552 34308 Average: 8516316 12921068 3032300 18.52 172096 4286740 3264836 18.74 870594 6528478 26920 12:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:06 lo 861.87 861.87 821.19 821.19 0.00 0.00 0.00 0.00 12:50:06 ens3 107.96 83.68 807.12 18.34 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1240.31 1240.31 1181.90 1181.90 0.00 0.00 0.00 0.00 13:00:01 ens3 56.29 44.88 236.28 13.29 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1050.41 1050.41 1000.90 1000.90 0.00 0.00 0.00 0.00 Average: ens3 82.22 64.35 522.73 15.82 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-4c-4g-1251) 04/08/26 _x86_64_ (4 CPU) 12:37:19 LINUX RESTART (4 CPU) 12:40:06 CPU %user %nice %system %iowait %steal %idle 12:50:06 all 65.96 0.00 2.26 0.07 0.09 31.61 12:50:06 0 66.77 0.00 1.95 0.07 0.10 31.12 12:50:06 1 65.74 0.00 2.22 0.04 0.09 31.92 12:50:06 2 65.28 0.00 2.29 0.08 0.09 32.25 12:50:06 3 66.07 0.00 2.57 0.10 0.10 31.17 13:00:01 all 56.13 0.00 2.40 0.12 0.10 41.26 13:00:01 0 53.52 0.00 2.15 0.08 0.09 44.17 13:00:01 1 57.77 0.00 2.72 0.17 0.10 39.25 13:00:01 2 57.41 0.00 2.62 0.09 0.10 39.78 13:00:01 3 55.81 0.00 2.11 0.15 0.10 41.83 Average: all 61.06 0.00 2.33 0.10 0.09 36.42 Average: 0 60.16 0.00 2.05 0.07 0.09 37.62 Average: 1 61.77 0.00 2.47 0.10 0.09 35.57 Average: 2 61.36 0.00 2.46 0.09 0.09 36.00 Average: 3 60.96 0.00 2.34 0.12 0.10 36.47