---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9661 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 11G 68G 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 692 10509 4 4786 14953 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:48:01:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fe48:1ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:b1:dc:68:06:4c 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-9661) 04/29/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:04 16.78 2.85 13.21 0.73 162.94 3440.57 1236.55 15:00:04 21.58 0.79 18.42 2.37 27.28 3568.03 2843.28 Average: 19.18 1.82 15.81 1.55 95.26 3504.16 2038.19 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:04 10915376 14013256 1948804 11.90 123916 3116976 2246620 12.90 525836 4576540 34820 15:00:04 9204584 13288000 2665004 16.28 173800 3965332 2778716 15.95 779744 5909568 10860 Average: 10059980 13650628 2306904 14.09 148858 3541154 2512668 14.42 652790 5243054 22840 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:04 lo 0.82 0.82 0.09 0.09 0.00 0.00 0.00 0.00 14:50:04 ens3 89.08 67.76 692.80 15.33 0.00 0.00 0.00 0.00 14:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 1026.15 1026.15 977.10 977.10 0.00 0.00 0.00 0.00 15:00:04 ens3 96.49 69.96 372.88 19.85 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 512.39 512.39 487.55 487.55 0.00 0.00 0.00 0.00 Average: ens3 92.78 68.86 533.18 17.59 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-9661) 04/29/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:04 all 38.44 0.00 1.30 0.19 0.08 59.98 14:50:04 0 39.00 0.00 1.29 0.66 0.08 58.97 14:50:04 1 39.41 0.00 1.34 0.05 0.08 59.12 14:50:04 2 36.91 0.00 1.20 0.02 0.07 61.79 14:50:04 3 38.46 0.00 1.37 0.05 0.08 60.05 15:00:04 all 70.57 0.00 2.60 0.05 0.12 26.66 15:00:04 0 69.23 0.00 2.31 0.04 0.12 28.30 15:00:04 1 69.56 0.00 2.75 0.07 0.12 27.50 15:00:04 2 72.94 0.00 2.66 0.05 0.12 24.23 15:00:04 3 70.55 0.00 2.67 0.04 0.11 26.62 Average: all 54.46 0.00 1.95 0.12 0.10 43.37 Average: 0 54.08 0.00 1.80 0.35 0.10 43.67 Average: 1 54.44 0.00 2.04 0.06 0.10 43.36 Average: 2 54.88 0.00 1.93 0.04 0.09 43.06 Average: 3 54.44 0.00 2.02 0.05 0.10 43.40