---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471055 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: 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 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 638 9604 4 5747 15008 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:21:07:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe21:715/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:0c:db:c0:79:24 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-471055) 03/14/26 _x86_64_ (4 CPU) 10:48:50 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 38.49 3.43 31.17 3.89 180.93 5088.83 52267.15 11:10:01 20.48 0.16 17.21 3.11 4.67 1469.73 28698.98 Average: 29.49 1.79 24.19 3.50 92.82 3279.73 40486.01 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 9765836 13154936 2804528 17.13 126528 3388336 3158444 18.13 662776 5553736 10180 11:10:01 9546036 13248604 2708444 16.54 143572 3664456 2905392 16.68 778712 5642552 22992 Average: 9655936 13201770 2756486 16.84 135050 3526396 3031918 17.40 720744 5598144 16586 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 21.61 21.61 4.76 4.76 0.00 0.00 0.00 0.00 11:00:01 ens3 67.99 54.60 699.20 9.80 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 1238.56 1238.56 1150.91 1150.91 0.00 0.00 0.00 0.00 11:10:01 ens3 31.79 24.49 262.71 4.65 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 629.93 629.93 577.69 577.69 0.00 0.00 0.00 0.00 Average: ens3 49.90 39.55 481.01 7.23 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-471055) 03/14/26 _x86_64_ (4 CPU) 10:48:50 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 39.28 0.00 1.48 0.21 0.08 58.95 11:00:01 0 36.22 0.00 1.46 0.15 0.08 62.09 11:00:01 1 41.16 0.00 1.67 0.36 0.08 56.73 11:00:01 2 41.26 0.00 1.46 0.20 0.08 57.00 11:00:01 3 38.48 0.00 1.33 0.11 0.08 60.00 11:10:01 all 27.11 0.00 1.44 0.06 0.08 71.31 11:10:01 0 27.71 0.00 1.39 0.04 0.08 70.79 11:10:01 1 27.79 0.00 1.54 0.10 0.08 70.48 11:10:01 2 27.18 0.00 1.52 0.07 0.08 71.15 11:10:01 3 25.76 0.00 1.30 0.03 0.08 72.83 Average: all 33.20 0.00 1.46 0.13 0.08 65.13 Average: 0 31.96 0.00 1.42 0.10 0.08 66.44 Average: 1 34.49 0.00 1.61 0.23 0.08 63.60 Average: 2 34.23 0.00 1.49 0.14 0.08 64.07 Average: 3 32.12 0.00 1.32 0.07 0.08 66.42