---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21266 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 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 612 10449 4 4928 15034 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:ab:98:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84798sec preferred_lft 84798sec inet6 fe80::f816:3eff:feab:9833/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:e9:ae:70:60:5f 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-21266) 05/29/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:02 8.74 2.09 6.44 0.21 131.67 2185.48 149.23 20:30:01 7.52 0.52 6.66 0.34 19.03 804.00 574.83 Average: 8.13 1.30 6.55 0.27 75.38 1495.08 361.92 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:02 9272420 12325984 3637100 22.21 113380 3099848 3826072 21.96 494332 6254120 384 20:30:01 9034076 12778456 3180668 19.43 131220 3735236 3325240 19.09 601876 6325140 489784 Average: 9153248 12552220 3408884 20.82 122300 3417542 3575656 20.52 548104 6289630 245084 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:02 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 20:20:02 ens3 44.18 36.08 548.29 5.70 0.00 0.00 0.00 0.00 20:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 96.92 96.92 92.05 92.05 0.00 0.00 0.00 0.00 20:30:01 ens3 36.20 24.37 432.30 3.22 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 48.77 48.77 46.19 46.19 0.00 0.00 0.00 0.00 Average: ens3 40.19 30.23 490.32 4.46 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-21266) 05/29/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:02 all 51.38 0.00 0.93 0.24 0.09 47.36 20:20:02 0 50.05 0.00 0.84 0.46 0.10 48.55 20:20:02 1 52.47 0.00 0.87 0.14 0.09 46.43 20:20:02 2 56.11 0.00 1.16 0.06 0.09 42.58 20:20:02 3 46.87 0.00 0.83 0.33 0.09 51.88 20:30:01 all 48.61 0.00 0.76 0.03 0.08 50.53 20:30:01 0 34.13 0.00 0.71 0.03 0.08 65.06 20:30:01 1 44.69 0.00 0.70 0.04 0.08 54.49 20:30:01 2 63.32 0.00 0.78 0.01 0.09 35.81 20:30:01 3 52.26 0.00 0.84 0.03 0.08 46.79 Average: all 49.99 0.00 0.84 0.13 0.09 48.95 Average: 0 42.10 0.00 0.77 0.24 0.09 56.80 Average: 1 48.59 0.00 0.78 0.09 0.09 50.46 Average: 2 59.71 0.00 0.97 0.03 0.09 39.19 Average: 3 49.56 0.00 0.84 0.18 0.08 49.34