---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36673 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: 5599.94 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 650 10145 4 5192 14996 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:06:11:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84718sec preferred_lft 84718sec inet6 fe80::f816:3eff:fe06:1199/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:b6:b4:85:95:f1 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-36673) 07/17/26 _x86_64_ (4 CPU) 15:05:50 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:00 20.84 0.45 6.62 13.77 51.60 1499.63 240555.67 15:30:00 13.81 0.52 12.47 0.82 19.24 2043.41 5207.52 Average: 17.33 0.48 9.55 7.30 35.42 1771.52 122881.59 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:00 9066652 12369100 3591984 21.94 119896 3333056 3693576 21.20 519484 6410760 164 15:30:00 8908892 12967064 2989416 18.26 139152 4027980 3103624 17.81 735300 6328360 277220 Average: 8987772 12668082 3290700 20.10 129524 3680518 3398600 19.51 627392 6369560 138692 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:00 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 15:20:00 ens3 132.10 81.01 411.11 8.89 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:00 lo 299.68 299.68 285.46 285.46 0.00 0.00 0.00 0.00 15:30:00 ens3 43.24 31.87 452.62 4.67 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 150.17 150.17 142.92 142.92 0.00 0.00 0.00 0.00 Average: ens3 87.67 56.44 431.87 6.78 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-36673) 07/17/26 _x86_64_ (4 CPU) 15:05:50 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:00 all 52.45 0.00 1.01 0.13 0.10 46.31 15:20:00 0 59.90 0.00 1.02 0.06 0.11 38.91 15:20:00 1 60.82 0.00 1.03 0.05 0.11 37.99 15:20:00 2 44.93 0.00 1.13 0.20 0.10 53.64 15:20:00 3 44.13 0.00 0.87 0.21 0.10 54.69 15:30:00 all 56.66 0.00 1.11 0.04 0.12 42.07 15:30:00 0 76.98 0.00 1.21 0.05 0.14 21.63 15:30:00 1 47.12 0.00 1.01 0.04 0.11 51.72 15:30:00 2 47.84 0.00 0.95 0.02 0.11 51.07 15:30:00 3 54.71 0.00 1.28 0.07 0.11 43.83 Average: all 54.55 0.00 1.06 0.09 0.11 44.19 Average: 0 68.44 0.00 1.12 0.05 0.13 30.27 Average: 1 53.97 0.00 1.02 0.05 0.11 44.86 Average: 2 46.39 0.00 1.04 0.11 0.10 52.36 Average: 3 49.42 0.00 1.07 0.14 0.10 49.26