---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12552 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: 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 627 10375 4 4986 15018 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:6b:fb:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84797sec preferred_lft 84797sec inet6 fe80::f816:3eff:fe6b:fb04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:c0:8e:06:39:0d 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-12552) 05/10/26 _x86_64_ (4 CPU) 20:07:20 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:04 20.71 0.56 6.58 13.57 236.57 1896.93 239592.97 20:30:01 7.87 0.52 6.94 0.41 18.93 1566.49 1154.78 Average: 14.31 0.54 6.76 7.01 128.06 1732.17 120705.63 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:04 8414176 11528276 4434296 27.08 113472 3164968 4680388 26.87 562276 7057008 288 20:30:01 9941800 13563276 2396020 14.63 131180 3623852 2856680 16.40 691052 5369212 90064 Average: 9177988 12545776 3415158 20.86 122326 3394410 3768534 21.63 626664 6213110 45176 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:04 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 20:20:04 ens3 18.79 14.46 157.48 3.07 0.00 0.00 0.00 0.00 20:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 94.53 94.53 89.70 89.70 0.00 0.00 0.00 0.00 20:30:01 ens3 38.22 27.90 435.06 3.66 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 47.46 47.46 44.91 44.91 0.00 0.00 0.00 0.00 Average: ens3 28.47 21.16 295.88 3.36 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-12552) 05/10/26 _x86_64_ (4 CPU) 20:07:20 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:04 all 50.83 0.00 0.84 0.07 0.08 48.20 20:20:04 0 51.90 0.00 0.80 0.01 0.08 47.21 20:20:04 1 58.74 0.00 0.93 0.03 0.08 40.22 20:20:04 2 44.24 0.00 0.74 0.07 0.08 54.87 20:20:04 3 48.43 0.00 0.88 0.15 0.07 50.48 20:30:01 all 50.70 0.00 0.80 0.03 0.07 48.39 20:30:01 0 70.85 0.00 1.02 0.03 0.08 28.03 20:30:01 1 55.00 0.00 0.77 0.01 0.08 44.14 20:30:01 2 40.58 0.00 0.75 0.03 0.07 58.57 20:30:01 3 36.37 0.00 0.66 0.06 0.07 62.85 Average: all 50.77 0.00 0.82 0.05 0.07 48.29 Average: 0 61.35 0.00 0.91 0.02 0.08 37.65 Average: 1 56.87 0.00 0.85 0.02 0.08 42.17 Average: 2 42.41 0.00 0.75 0.05 0.07 56.72 Average: 3 42.41 0.00 0.77 0.10 0.07 56.65