---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-445700 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 11G 67G 14% / 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 611 10443 4 4934 15035 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:7e:84:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84744sec preferred_lft 84744sec inet6 fe80::f816:3eff:fe7e:8496/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:b2:90:d7:ef:d1 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-445700) 03/11/26 _x86_64_ (4 CPU) 20:09:01 LINUX RESTART (4 CPU) 20:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 20.67 3.42 16.31 0.94 578.35 3888.80 7560.84 20:30:01 3.07 0.06 2.94 0.07 5.64 345.33 10.61 Average: 11.76 1.72 9.54 0.50 288.34 2094.48 3737.59 20:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 10659224 13777380 2186036 13.35 115160 3167704 2772652 15.91 635160 4740448 28236 20:30:01 9729712 12928024 3034688 18.53 118268 3237696 3232624 18.56 658652 5640960 13680 Average: 10194468 13352702 2610362 15.94 116714 3202700 3002638 17.24 646906 5190704 20958 20:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.48 0.48 0.06 0.06 0.00 0.00 0.00 0.00 20:20:01 ens3 82.19 64.69 908.51 10.25 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.51 0.51 0.36 0.36 0.00 0.00 0.00 0.00 20:30:01 ens3 4.62 3.90 2.27 1.11 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 42.91 33.91 449.61 5.62 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-445700) 03/11/26 _x86_64_ (4 CPU) 20:09:01 LINUX RESTART (4 CPU) 20:10:16 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 48.52 0.00 1.12 0.29 0.07 50.01 20:20:01 0 41.50 0.00 1.10 0.28 0.07 57.04 20:20:01 1 47.51 0.00 0.98 0.62 0.07 50.82 20:20:01 2 53.30 0.00 1.09 0.08 0.07 45.46 20:20:01 3 51.76 0.00 1.30 0.18 0.07 46.69 20:30:01 all 43.74 0.00 0.43 0.02 0.07 55.74 20:30:01 0 29.02 0.00 0.34 0.01 0.07 70.56 20:30:01 1 29.12 0.00 0.37 0.02 0.07 70.43 20:30:01 2 57.36 0.00 0.49 0.05 0.08 42.03 20:30:01 3 59.53 0.00 0.51 0.01 0.07 39.89 Average: all 46.10 0.00 0.77 0.15 0.07 52.91 Average: 0 35.18 0.00 0.72 0.14 0.07 63.89 Average: 1 38.18 0.00 0.67 0.31 0.07 60.77 Average: 2 55.36 0.00 0.79 0.06 0.07 43.72 Average: 3 55.70 0.00 0.90 0.09 0.07 43.24