---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20926 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 11G 68G 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 683 10553 4 4751 14963 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:73:98:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84236sec preferred_lft 84236sec inet6 fe80::f816:3eff:fe73:9842/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:16:8e:a9:85:11 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-20926) 02/26/26 _x86_64_ (4 CPU) 09:12:57 LINUX RESTART (4 CPU) 09:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 9.39 1.93 7.08 0.38 128.34 1904.38 560.15 09:40:01 11.01 0.55 9.38 1.08 18.10 2494.32 3023.76 Average: 10.22 1.23 8.25 0.73 72.26 2204.49 1813.42 09:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 11226848 14162924 1800372 11.00 117452 2974628 2164488 12.42 499332 4307836 55940 09:40:01 9533552 13390916 2564532 15.66 155796 3770252 2723640 15.63 716892 5670048 228188 Average: 10380200 13776920 2182452 13.33 136624 3372440 2444064 14.03 608112 4988942 142064 09:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.55 0.55 0.06 0.06 0.00 0.00 0.00 0.00 09:30:01 ens3 66.08 51.93 616.45 9.80 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 09:40:01 ens3 87.72 63.96 155.31 19.56 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 77.09 58.05 381.86 14.76 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-20926) 02/26/26 _x86_64_ (4 CPU) 09:12:57 LINUX RESTART (4 CPU) 09:20:21 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 28.71 0.00 0.96 0.08 0.05 70.20 09:30:01 0 27.39 0.00 0.87 0.11 0.05 71.58 09:30:01 1 29.17 0.00 0.96 0.03 0.05 69.79 09:30:01 2 30.24 0.00 1.19 0.04 0.06 68.47 09:30:01 3 28.05 0.00 0.81 0.13 0.06 70.96 09:40:01 all 71.75 0.00 2.28 0.03 0.10 25.84 09:40:01 0 71.33 0.00 2.37 0.03 0.10 26.18 09:40:01 1 71.30 0.00 2.33 0.04 0.10 26.24 09:40:01 2 72.38 0.00 2.28 0.03 0.10 25.21 09:40:01 3 72.01 0.00 2.12 0.04 0.10 25.73 Average: all 50.59 0.00 1.63 0.05 0.08 47.65 Average: 0 49.72 0.00 1.63 0.07 0.07 48.50 Average: 1 50.60 0.00 1.65 0.04 0.07 47.64 Average: 2 51.64 0.00 1.75 0.03 0.08 46.50 Average: 3 50.39 0.00 1.48 0.08 0.08 47.97