---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20386 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: 5599.86 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 67G 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 744 9384 4 5860 14901 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:8e:8a:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84821sec preferred_lft 84821sec inet6 fe80::f816:3eff:fe8e:8af0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:61:39:55:09:8d 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-20386) 05/26/26 _x86_64_ (4 CPU) 14:04:11 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:00 30.53 0.19 27.13 3.22 7.63 2718.40 10751.64 14:30:13 26.29 0.09 23.20 3.00 8.28 7076.47 7424.25 Average: 28.39 0.14 25.14 3.11 7.96 4922.20 9069.04 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:00 9199704 13320052 2633788 16.09 166248 4028612 2767256 15.88 878496 5824032 91140 14:30:13 9650868 15290572 656352 4.01 205032 5411220 1145940 6.58 1061124 5088636 28484 Average: 9425286 14305312 1645070 10.05 185640 4719916 1956598 11.23 969810 5456334 59812 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:00 lo 1467.75 1467.75 1399.27 1399.27 0.00 0.00 0.00 0.00 14:20:00 ens3 34.97 30.18 200.74 7.56 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:13 lo 372.87 372.87 354.33 354.33 0.00 0.00 0.00 0.00 14:30:13 ens3 44.47 37.89 107.12 27.27 0.00 0.00 0.00 0.00 14:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 914.09 914.09 870.86 870.86 0.00 0.00 0.00 0.00 Average: ens3 39.77 34.08 153.40 17.53 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-20386) 05/26/26 _x86_64_ (4 CPU) 14:04:11 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:00 all 62.75 0.00 2.37 0.07 0.08 34.73 14:20:00 0 65.43 0.00 2.50 0.04 0.08 31.95 14:20:00 1 63.35 0.00 2.10 0.05 0.08 34.42 14:20:00 2 63.17 0.00 2.36 0.06 0.09 34.32 14:20:00 3 59.04 0.00 2.52 0.13 0.09 38.22 14:30:13 all 56.21 0.00 2.05 0.09 0.08 41.57 14:30:13 0 52.33 0.00 1.62 0.08 0.08 45.88 14:30:13 1 56.63 0.00 2.12 0.07 0.08 41.10 14:30:13 2 54.38 0.00 1.89 0.13 0.08 43.52 14:30:13 3 61.48 0.00 2.58 0.07 0.09 35.78 Average: all 59.43 0.00 2.21 0.08 0.08 38.19 Average: 0 58.79 0.00 2.06 0.06 0.08 39.01 Average: 1 59.95 0.00 2.11 0.06 0.08 37.80 Average: 2 58.72 0.00 2.12 0.10 0.09 38.98 Average: 3 60.28 0.00 2.55 0.10 0.09 36.98