---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8267 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 12G 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 652 8647 4 6689 14994 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:65:b9:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84113sec preferred_lft 84113sec inet6 fe80::f816:3eff:fe65:b900/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:b0:d4:c5:a5:9d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8267) 02/06/26 _x86_64_ (4 CPU) 16:45:38 LINUX RESTART (4 CPU) 16:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:10 46.29 3.52 25.81 16.96 771.77 4384.72 266449.78 17:10:11 29.10 0.01 26.07 3.02 0.21 2359.28 8927.75 17:20:06 21.85 0.14 19.45 2.25 6.61 9256.23 41097.42 Average: 32.43 1.23 23.79 7.42 259.94 5322.95 105575.95 16:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:10 9538160 13204624 2752912 16.81 136400 3664976 2788900 16.01 838356 5628720 25144 17:10:11 8302892 12495976 3457940 21.12 157152 4130936 3510760 20.15 966360 6688040 130056 17:20:06 8865976 15354168 592132 3.62 177092 6329656 1116852 6.41 1783756 5206480 532 Average: 8902343 13684923 2267661 13.85 156881 4708523 2472171 14.19 1196157 5841080 51911 16:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:10 lo 1288.07 1288.07 1221.04 1221.04 0.00 0.00 0.00 0.00 17:00:10 ens3 128.60 100.51 1118.08 20.35 0.00 0.00 0.00 0.00 17:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:11 lo 1287.31 1287.31 1225.78 1225.78 0.00 0.00 0.00 0.00 17:10:11 ens3 43.36 33.82 27.39 11.42 0.00 0.00 0.00 0.00 17:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:06 lo 529.17 529.17 7162.67 7162.67 0.00 0.00 0.00 0.00 17:20:06 ens3 55.13 52.48 121.19 397.66 0.00 0.00 0.00 0.00 17:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1036.12 1036.12 3193.22 3193.22 0.00 0.00 0.00 0.00 Average: ens3 75.72 62.27 422.65 142.50 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-8267) 02/06/26 _x86_64_ (4 CPU) 16:45:38 LINUX RESTART (4 CPU) 16:50:11 CPU %user %nice %system %iowait %steal %idle 17:00:10 all 53.83 0.00 2.33 0.46 0.10 43.28 17:00:10 0 53.58 0.00 2.28 0.80 0.10 43.24 17:00:10 1 53.05 0.00 2.43 0.25 0.10 44.17 17:00:10 2 53.77 0.00 2.44 0.41 0.10 43.28 17:00:10 3 54.93 0.00 2.16 0.37 0.10 42.44 17:10:11 all 64.84 0.00 2.40 0.26 0.12 32.39 17:10:11 0 64.63 0.00 2.47 0.35 0.12 32.43 17:10:11 1 65.37 0.00 2.47 0.10 0.11 31.96 17:10:11 2 64.13 0.00 2.39 0.24 0.12 33.12 17:10:11 3 65.24 0.00 2.26 0.34 0.11 32.04 17:20:06 all 41.51 0.00 1.56 0.37 0.09 56.46 17:20:06 0 44.39 0.00 1.77 0.33 0.09 53.42 17:20:06 1 41.81 0.00 1.47 0.29 0.09 56.33 17:20:06 2 40.61 0.00 1.58 0.85 0.09 56.88 17:20:06 3 39.24 0.00 1.43 0.03 0.08 59.21 Average: all 53.42 0.00 2.10 0.36 0.10 44.02 Average: 0 54.22 0.00 2.17 0.49 0.10 43.01 Average: 1 53.43 0.00 2.13 0.21 0.10 44.13 Average: 2 52.86 0.00 2.14 0.50 0.10 44.40 Average: 3 53.16 0.00 1.95 0.25 0.10 44.54