---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9838 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 12G 66G 15% / 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 648 9259 4 6081 14998 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:c9:94:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fec9:9464/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:05:64:95:fa:05 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-9838) 04/30/26 _x86_64_ (4 CPU) 05:15:13 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:04 31.73 0.43 15.22 16.08 399.80 1376.41 257217.43 05:40:04 31.53 0.16 27.60 3.77 4.88 6795.45 32696.94 Average: 31.63 0.30 21.40 9.94 202.84 4079.06 145241.80 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:04 9334244 12991288 2966532 18.12 131456 3645368 3206860 18.41 816732 5815792 1212 05:40:04 7319064 12948008 3001120 18.33 159000 5503516 2966932 17.03 1557456 6984620 98848 Average: 8326654 12969648 2983826 18.22 145228 4574442 3086896 17.72 1187094 6400206 50030 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:04 lo 39.27 39.27 9.29 9.29 0.00 0.00 0.00 0.00 05:30:04 ens3 25.83 20.24 141.83 4.06 0.00 0.00 0.00 0.00 05:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:04 lo 1527.00 1527.00 1437.86 1437.86 0.00 0.00 0.00 0.00 05:40:04 ens3 70.61 54.36 465.63 13.73 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 781.25 781.25 721.76 721.76 0.00 0.00 0.00 0.00 Average: ens3 48.16 37.26 303.32 8.88 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-9838) 04/30/26 _x86_64_ (4 CPU) 05:15:13 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:04 all 24.21 0.00 1.07 0.16 0.08 74.49 05:30:04 0 23.50 0.00 1.15 0.08 0.08 75.19 05:30:04 1 24.59 0.00 1.05 0.19 0.08 74.09 05:30:04 2 24.11 0.00 1.04 0.16 0.08 74.61 05:30:04 3 24.63 0.00 1.03 0.20 0.07 74.06 05:40:04 all 42.23 0.00 2.05 0.12 0.08 55.52 05:40:04 0 40.78 0.00 1.85 0.13 0.08 57.17 05:40:04 1 41.67 0.00 1.64 0.09 0.08 56.53 05:40:04 2 42.06 0.00 2.61 0.21 0.08 55.04 05:40:04 3 44.40 0.00 2.11 0.05 0.08 53.36 Average: all 33.18 0.00 1.56 0.14 0.08 65.04 Average: 0 32.11 0.00 1.50 0.11 0.08 66.21 Average: 1 33.09 0.00 1.34 0.14 0.08 65.35 Average: 2 33.05 0.00 1.83 0.18 0.08 64.86 Average: 3 34.48 0.00 1.57 0.12 0.08 63.75