---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15019 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 654 9264 4 6070 14992 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:95:09:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fe95:95c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:86:46:7a:89:85 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15019) 02/19/26 _x86_64_ (4 CPU) 04:18:44 LINUX RESTART (4 CPU) 04:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:30:08 36.70 3.90 28.84 3.95 782.08 5446.60 59053.65 04:40:02 18.68 0.15 15.96 2.57 4.83 1394.72 24321.25 Average: 27.74 2.04 22.43 3.27 395.35 3430.53 41772.09 04:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:08 9576816 13258872 2699528 16.49 130332 3673180 2992276 17.18 866788 5532132 29524 04:40:02 8927776 12882596 3072768 18.77 147992 3909000 3275340 18.80 974664 6062004 13160 Average: 9252296 13070734 2886148 17.63 139162 3791090 3133808 17.99 920726 5797068 21342 04:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:30:08 lo 18.71 18.71 4.00 4.00 0.00 0.00 0.00 0.00 04:30:08 ens3 73.29 56.68 854.84 10.18 0.00 0.00 0.00 0.00 04:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:02 lo 1080.33 1080.33 996.06 996.06 0.00 0.00 0.00 0.00 04:40:02 ens3 29.18 20.94 244.44 3.31 0.00 0.00 0.00 0.00 04:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 546.94 546.94 497.61 497.61 0.00 0.00 0.00 0.00 Average: ens3 51.34 38.90 551.13 6.76 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15019) 02/19/26 _x86_64_ (4 CPU) 04:18:44 LINUX RESTART (4 CPU) 04:20:08 CPU %user %nice %system %iowait %steal %idle 04:30:08 all 41.27 0.00 1.73 0.31 0.10 56.60 04:30:08 0 41.58 0.00 1.46 0.30 0.10 56.57 04:30:08 1 40.98 0.00 2.10 0.38 0.10 56.44 04:30:08 2 42.37 0.00 1.55 0.37 0.10 55.61 04:30:08 3 40.13 0.00 1.80 0.19 0.10 57.79 04:40:02 all 21.97 0.00 1.35 0.07 0.08 76.52 04:40:02 0 21.92 0.00 1.54 0.04 0.08 76.42 04:40:02 1 22.49 0.00 1.03 0.04 0.08 76.36 04:40:02 2 21.43 0.00 1.45 0.08 0.08 76.96 04:40:02 3 22.05 0.00 1.38 0.14 0.08 76.34 Average: all 31.67 0.00 1.54 0.19 0.09 66.50 Average: 0 31.81 0.00 1.50 0.17 0.09 66.44 Average: 1 31.78 0.00 1.57 0.21 0.09 66.35 Average: 2 31.96 0.00 1.50 0.22 0.09 66.23 Average: 3 31.15 0.00 1.59 0.17 0.09 67.00