---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29991 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 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 639 10553 4 4796 15007 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:02:c0:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fe02:c0e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:b0:8c:cf:4d:76 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-29991) 03/25/26 _x86_64_ (4 CPU) 07:00:14 LINUX RESTART (4 CPU) 07:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 3.60 0.07 3.38 0.15 6.74 544.59 30.77 07:30:01 34.45 0.52 18.86 15.07 19.11 3133.92 245765.86 Average: 19.05 0.29 11.14 7.63 12.94 1841.80 123139.34 07:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9669688 12682028 3281456 20.04 113680 3060896 3494968 20.06 501216 5850428 324 07:30:01 10891212 15433920 523444 3.20 134920 4509864 1016696 5.84 876308 4170808 928844 Average: 10280450 14057974 1902450 11.62 124300 3785380 2255832 12.95 688762 5010618 464584 07:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 07:20:01 ens3 7.74 6.56 36.12 2.14 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 491.42 491.42 468.04 468.04 0.00 0.00 0.00 0.00 07:30:01 ens3 50.60 37.74 484.83 17.85 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 246.48 246.48 234.66 234.66 0.00 0.00 0.00 0.00 Average: ens3 29.21 22.18 260.92 10.01 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-29991) 03/25/26 _x86_64_ (4 CPU) 07:00:14 LINUX RESTART (4 CPU) 07:10:03 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 47.91 0.00 0.69 0.02 0.11 51.27 07:20:01 0 63.57 0.00 0.62 0.01 0.12 35.67 07:20:01 1 34.15 0.00 0.80 0.04 0.09 64.91 07:20:01 2 48.33 0.00 0.58 0.02 0.10 50.97 07:20:01 3 45.59 0.00 0.75 0.03 0.10 53.53 07:30:01 all 53.71 0.00 1.60 0.08 0.13 44.48 07:30:01 0 73.62 0.00 1.46 0.04 0.16 24.72 07:30:01 1 44.14 0.00 1.57 0.06 0.13 54.09 07:30:01 2 50.19 0.00 1.98 0.12 0.13 47.59 07:30:01 3 46.87 0.00 1.38 0.10 0.12 51.52 Average: all 50.81 0.00 1.14 0.05 0.12 47.87 Average: 0 68.60 0.00 1.04 0.02 0.14 30.19 Average: 1 39.15 0.00 1.19 0.05 0.11 59.50 Average: 2 49.26 0.00 1.28 0.07 0.12 49.28 Average: 3 46.23 0.00 1.07 0.07 0.11 52.53