---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3669 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 625 9239 4 6124 15021 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:78:98:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe78:980f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:02:88:ba:f2:25 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-3669) 04/16/26 _x86_64_ (4 CPU) 22:20:40 LINUX RESTART (4 CPU) 22:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:02 32.52 1.42 30.58 0.52 105.04 932.40 404.10 22:50:19 55.09 3.28 36.29 15.52 170.97 9960.67 244628.39 Average: 44.05 2.37 33.50 8.19 138.74 5546.64 125224.18 22:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:02 12976664 15424624 558848 3.41 90536 2556052 1158384 6.65 355544 2728744 268584 22:50:19 7587556 12830720 3121284 19.06 145956 5171588 3227112 18.52 1285764 7057856 180796 Average: 10282110 14127672 1840066 11.24 118246 3863820 2192748 12.59 820654 4893300 224690 22:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 22:40:02 ens3 25.47 18.71 199.92 5.00 0.00 0.00 0.00 0.00 22:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:19 lo 1135.62 1135.62 1082.33 1082.33 0.00 0.00 0.00 0.00 22:50:19 ens3 129.09 93.47 1109.46 19.07 0.00 0.00 0.00 0.00 22:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 580.50 580.50 553.18 553.18 0.00 0.00 0.00 0.00 Average: ens3 78.43 56.92 664.77 12.19 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-3669) 04/16/26 _x86_64_ (4 CPU) 22:20:40 LINUX RESTART (4 CPU) 22:30:13 CPU %user %nice %system %iowait %steal %idle 22:40:02 all 2.26 0.00 0.25 0.19 0.03 97.27 22:40:02 0 0.39 0.00 0.08 0.00 0.02 99.51 22:40:02 1 4.05 0.00 0.44 0.45 0.04 95.01 22:40:02 2 3.03 0.00 0.21 0.07 0.02 96.66 22:40:02 3 1.58 0.00 0.26 0.25 0.02 97.90 22:50:19 all 54.44 0.00 2.30 0.14 0.09 43.03 22:50:19 0 55.96 0.00 1.93 0.11 0.09 41.91 22:50:19 1 56.37 0.00 2.58 0.11 0.09 40.84 22:50:19 2 51.87 0.00 2.37 0.20 0.09 45.47 22:50:19 3 53.57 0.00 2.30 0.15 0.08 43.89 Average: all 28.87 0.00 1.29 0.17 0.06 69.62 Average: 0 28.74 0.00 1.02 0.06 0.05 70.13 Average: 1 30.71 0.00 1.53 0.28 0.07 67.41 Average: 2 27.94 0.00 1.31 0.14 0.06 70.56 Average: 3 28.08 0.00 1.30 0.20 0.05 70.37