---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-429639 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: 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 66G 16% / 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 632 8926 4 6431 15014 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:c6:fc:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84601sec preferred_lft 84601sec inet6 fe80::f816:3eff:fec6:fc5e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:79:b3:b9:14:03 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-429639) 03/10/26 _x86_64_ (4 CPU) 16:55:47 LINUX RESTART (4 CPU) 17:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:29 23.78 0.11 20.93 2.75 8.06 2240.09 3705.48 17:20:32 28.76 0.05 25.95 2.76 2.14 4422.67 12907.75 Average: 26.28 0.08 23.45 2.76 5.09 3334.01 8317.72 17:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:29 9686428 13211400 2746652 16.78 140448 3504496 2767584 15.89 701100 5578580 20244 17:20:32 7333748 11896388 4057468 24.78 162400 4474516 4049388 23.24 991952 7601100 88 Average: 8510088 12553894 3402060 20.78 151424 3989506 3408486 19.56 846526 6589840 10166 17:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:29 lo 1467.07 1467.07 1392.24 1392.24 0.00 0.00 0.00 0.00 17:10:29 ens3 33.45 26.82 23.58 7.70 0.00 0.00 0.00 0.00 17:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:32 lo 1235.15 1235.15 1171.76 1171.76 0.00 0.00 0.00 0.00 17:20:32 ens3 25.67 21.46 23.93 6.73 0.00 0.00 0.00 0.00 17:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1350.83 1350.83 1281.73 1281.73 0.00 0.00 0.00 0.00 Average: ens3 29.55 24.13 23.76 7.22 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-429639) 03/10/26 _x86_64_ (4 CPU) 16:55:47 LINUX RESTART (4 CPU) 17:00:30 CPU %user %nice %system %iowait %steal %idle 17:10:29 all 66.72 0.00 2.39 0.10 0.10 30.69 17:10:29 0 65.74 0.00 2.29 0.11 0.10 31.76 17:10:29 1 66.46 0.00 2.37 0.11 0.11 30.95 17:10:29 2 67.42 0.00 2.51 0.09 0.10 29.88 17:10:29 3 67.28 0.00 2.37 0.08 0.10 30.17 17:20:32 all 56.83 0.00 2.26 0.26 0.09 40.55 17:20:32 0 57.41 0.00 2.54 0.14 0.10 39.82 17:20:32 1 57.15 0.00 2.09 0.47 0.09 40.20 17:20:32 2 55.64 0.00 2.17 0.18 0.09 41.91 17:20:32 3 57.14 0.00 2.24 0.27 0.09 40.27 Average: all 61.77 0.00 2.32 0.18 0.10 35.63 Average: 0 61.56 0.00 2.41 0.12 0.10 35.80 Average: 1 61.79 0.00 2.23 0.29 0.10 35.59 Average: 2 61.51 0.00 2.34 0.14 0.10 35.91 Average: 3 62.19 0.00 2.31 0.17 0.10 35.23