---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2953 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 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 644 10521 4 4822 15002 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:33:38:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84351sec preferred_lft 84351sec inet6 fe80::f816:3eff:fe33:382c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:17:d3:b5:7c:9d 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-2953) 04/15/26 _x86_64_ (4 CPU) 08:15:14 LINUX RESTART (4 CPU) 08:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:14 44.26 4.23 38.66 1.37 260.47 5014.87 1259.83 08:40:14 17.69 0.78 15.32 1.59 28.04 3258.29 2862.54 Average: 30.98 2.50 26.99 1.48 144.25 4136.59 2061.18 08:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:14 10247984 13493596 2466316 15.06 129648 3252284 2887004 16.57 564428 5196864 25704 08:40:14 9033264 13211692 2740312 16.74 171584 4066968 2949340 16.93 791740 6098924 93572 Average: 9640624 13352644 2603314 15.90 150616 3659626 2918172 16.75 678084 5647894 59638 08:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:14 lo 0.99 0.99 0.11 0.11 0.00 0.00 0.00 0.00 08:30:14 ens3 141.08 106.73 1039.83 22.88 0.00 0.00 0.00 0.00 08:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:14 lo 616.74 616.74 587.54 587.54 0.00 0.00 0.00 0.00 08:40:14 ens3 77.40 59.89 325.17 17.32 0.00 0.00 0.00 0.00 08:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 308.86 308.86 293.82 293.82 0.00 0.00 0.00 0.00 Average: ens3 109.24 83.31 682.50 20.10 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-2953) 04/15/26 _x86_64_ (4 CPU) 08:15:14 LINUX RESTART (4 CPU) 08:20:14 CPU %user %nice %system %iowait %steal %idle 08:30:14 all 44.02 0.00 1.78 0.36 0.08 53.76 08:30:14 0 43.73 0.00 1.75 0.20 0.09 54.22 08:30:14 1 43.98 0.00 1.69 0.89 0.09 53.35 08:30:14 2 44.76 0.00 1.96 0.18 0.09 53.01 08:30:14 3 43.60 0.00 1.71 0.16 0.08 54.46 08:40:14 all 65.43 0.00 2.41 1.87 0.14 30.15 08:40:14 0 65.03 0.00 2.70 2.13 0.14 30.00 08:40:14 1 65.75 0.00 2.37 2.03 0.14 29.71 08:40:14 2 65.12 0.00 2.24 2.30 0.14 30.20 08:40:14 3 65.80 0.00 2.33 1.03 0.14 30.70 Average: all 54.72 0.00 2.09 1.11 0.11 41.96 Average: 0 54.38 0.00 2.23 1.16 0.11 42.12 Average: 1 54.87 0.00 2.03 1.46 0.11 41.53 Average: 2 54.93 0.00 2.10 1.24 0.11 41.61 Average: 3 54.69 0.00 2.02 0.59 0.11 42.59