---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10823 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 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 663 10595 4 4730 14982 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:14:bd:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fe14:bd26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:05:dd:ef:dc:e0 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-10823) 05/04/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 10.74 0.45 9.17 1.12 16.22 2260.53 2616.46 09:40:03 28.27 0.75 23.30 4.22 25.77 3787.63 4565.07 Average: 19.54 0.60 16.26 2.67 21.01 3027.01 3594.50 09:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10115392 13636324 2321228 14.18 144376 3479676 2547088 14.62 636096 5209200 27668 09:40:03 10896832 15380548 569924 3.48 173188 4349884 1098892 6.31 895484 4085244 396 Average: 10506112 14508436 1445576 8.83 158782 3914780 1822990 10.46 765790 4647222 14032 09:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 68.99 54.25 100.62 17.95 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 1738.51 1738.51 1644.90 1644.90 0.00 0.00 0.00 0.00 09:40:03 ens3 119.64 106.81 412.89 164.50 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 873.30 873.30 825.67 825.67 0.00 0.00 0.00 0.00 Average: ens3 94.41 80.63 257.35 91.50 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-10823) 05/04/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:03 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.91 0.00 2.27 0.03 0.12 24.67 09:30:01 0 71.44 0.00 2.08 0.02 0.13 26.33 09:30:01 1 74.35 0.00 2.53 0.03 0.12 22.97 09:30:01 2 74.34 0.00 2.49 0.03 0.13 23.01 09:30:01 3 71.49 0.00 1.98 0.04 0.12 26.36 09:40:03 all 48.83 0.00 2.19 2.15 0.10 46.72 09:40:03 0 46.59 0.00 2.26 0.24 0.10 50.80 09:40:03 1 48.83 0.00 2.04 4.10 0.09 44.94 09:40:03 2 49.03 0.00 2.24 0.06 0.13 48.54 09:40:03 3 50.89 0.00 2.22 4.21 0.09 42.58 Average: all 60.83 0.00 2.23 1.09 0.11 35.73 Average: 0 58.97 0.00 2.17 0.13 0.11 38.61 Average: 1 61.55 0.00 2.29 2.07 0.11 33.99 Average: 2 61.64 0.00 2.37 0.04 0.13 35.82 Average: 3 61.16 0.00 2.10 2.13 0.11 34.50