---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13709 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 13G 66G 16% / 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 653 8415 4 6920 14993 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:a1:d8:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84420sec preferred_lft 84420sec inet6 fe80::f816:3eff:fea1:d8d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:6c:6c:ea:ae:82 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-13709) 02/18/26 _x86_64_ (4 CPU) 09:00:44 LINUX RESTART (4 CPU) 09:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:25 24.27 0.01 21.48 2.77 0.33 2040.40 27596.89 09:30:24 21.77 0.02 19.85 1.90 0.45 4065.07 16240.96 Average: 23.04 0.02 20.68 2.34 0.39 3032.36 22033.17 09:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:25 9188672 13224444 2730392 16.68 151372 3989896 2704640 15.52 920980 5847716 39244 09:30:24 5480808 10462544 5488240 33.52 163084 4883656 5201200 29.85 1205500 9216628 40 Average: 7334740 11843494 4109316 25.10 157228 4436776 3952920 22.69 1063240 7532172 19642 09:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:25 lo 1448.25 1448.25 1375.19 1375.19 0.00 0.00 0.00 0.00 09:20:25 ens3 22.29 19.67 30.17 6.26 0.00 0.00 0.00 0.00 09:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:24 lo 899.73 899.73 5287.67 5287.67 0.00 0.00 0.00 0.00 09:30:24 ens3 22.69 17.99 21.99 5.38 0.00 0.00 0.00 0.00 09:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1179.51 1179.51 3292.07 3292.07 0.00 0.00 0.00 0.00 Average: ens3 22.49 18.85 26.16 5.83 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-13709) 02/18/26 _x86_64_ (4 CPU) 09:00:44 LINUX RESTART (4 CPU) 09:10:02 CPU %user %nice %system %iowait %steal %idle 09:20:25 all 64.97 0.00 2.37 1.37 0.13 31.16 09:20:25 0 63.08 0.00 2.37 1.24 0.13 33.18 09:20:25 1 65.33 0.00 2.39 1.89 0.13 30.26 09:20:25 2 65.94 0.00 2.44 1.12 0.13 30.37 09:20:25 3 65.53 0.00 2.27 1.24 0.14 30.82 09:30:24 all 52.69 0.00 1.91 0.28 0.12 45.00 09:30:24 0 55.81 0.00 2.00 0.10 0.13 41.97 09:30:24 1 46.35 0.00 1.80 0.16 0.12 51.57 09:30:24 2 47.25 0.00 1.82 0.18 0.12 50.63 09:30:24 3 61.33 0.00 2.01 0.69 0.13 35.84 Average: all 58.95 0.00 2.14 0.84 0.13 37.95 Average: 0 59.51 0.00 2.19 0.68 0.13 37.49 Average: 1 56.02 0.00 2.10 1.04 0.13 40.71 Average: 2 56.78 0.00 2.14 0.66 0.12 40.30 Average: 3 63.47 0.00 2.14 0.97 0.13 33.28