---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10172 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 9.9G 68G 13% / 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 693 11012 4 4283 14952 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:2c:f0:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84940sec preferred_lft 84940sec inet6 fe80::f816:3eff:fe2c:f009/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:ca:85:dc:22:79 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-10172) 05/01/26 _x86_64_ (4 CPU) 21:56:17 LINUX RESTART (4 CPU) 22:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:42 49.91 2.49 39.64 7.79 138.23 4707.26 13353.81 22:20:04 30.77 0.36 24.60 5.81 15.70 3141.40 4967.96 Average: 40.78 1.48 32.46 6.85 79.80 3960.50 9354.59 22:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:42 10415584 13950792 2007316 12.26 165404 3474712 2223592 12.76 616204 4935644 141308 22:20:04 11367020 15394688 558748 3.41 197916 3893904 1082980 6.22 794360 3727024 11776 Average: 10891302 14672740 1283032 7.84 181660 3684308 1653286 9.49 705282 4331334 76542 22:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:42 lo 4336.39 4336.39 4135.14 4135.14 0.00 0.00 0.00 0.00 22:10:42 ens3 163.40 125.56 757.31 32.66 0.00 0.00 0.00 0.00 22:10:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:04 lo 1756.91 1756.91 1657.02 1657.02 0.00 0.00 0.00 0.00 22:20:04 ens3 146.17 136.04 140.16 195.85 0.00 0.00 0.00 0.00 22:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3106.23 3106.23 2953.32 2953.32 0.00 0.00 0.00 0.00 Average: ens3 155.18 130.56 462.99 110.49 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-10172) 05/01/26 _x86_64_ (4 CPU) 21:56:17 LINUX RESTART (4 CPU) 22:00:25 CPU %user %nice %system %iowait %steal %idle 22:10:42 all 65.97 0.00 3.82 0.26 0.09 29.86 22:10:42 0 64.72 0.00 3.54 0.53 0.09 31.12 22:10:42 1 67.50 0.00 4.04 0.12 0.10 28.25 22:10:42 2 65.12 0.00 3.59 0.19 0.09 31.00 22:10:42 3 66.53 0.00 4.09 0.20 0.09 29.08 22:20:04 all 37.57 0.00 2.11 0.19 0.07 60.06 22:20:04 0 36.05 0.00 2.21 0.47 0.07 61.19 22:20:04 1 34.41 0.00 1.68 0.08 0.07 63.76 22:20:04 2 43.95 0.00 2.47 0.16 0.08 53.34 22:20:04 3 35.86 0.00 2.06 0.04 0.07 61.97 Average: all 52.41 0.00 3.00 0.23 0.08 44.28 Average: 0 51.02 0.00 2.90 0.50 0.08 45.49 Average: 1 51.71 0.00 2.92 0.10 0.08 45.20 Average: 2 55.01 0.00 3.06 0.18 0.09 41.66 Average: 3 51.89 0.00 3.12 0.13 0.08 44.78