---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27155 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 66G 15% / 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 736 9188 4 6064 14910 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:50:ee:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe50:ee7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:67:2e:24:67:0b 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27155) 06/13/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 25.84 0.44 22.56 2.84 14.22 4708.98 5807.14 20:50:10 53.42 0.00 42.70 10.72 0.00 2725.88 19865.64 21:00:11 21.28 0.30 17.62 3.36 11.67 4258.26 4347.54 Average: 33.54 0.25 27.65 5.65 8.62 3896.61 10019.44 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 9045792 13456352 2494348 15.23 188956 4267300 2659192 15.26 843448 5989060 8588 20:50:10 8432432 13223848 2722996 16.63 216824 4584636 2854872 16.39 941668 6465212 39896 21:00:11 9514088 15357176 585968 3.58 244304 5556148 1107416 6.36 1295028 4969336 268 Average: 8997437 14012459 1934437 11.81 216695 4802695 2207160 12.67 1026715 5807869 16251 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1276.76 1276.76 1217.27 1217.27 0.00 0.00 0.00 0.00 20:40:06 ens3 88.79 66.72 321.15 19.35 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5914.05 5914.05 5640.60 5640.60 0.00 0.00 0.00 0.00 20:50:10 ens3 77.60 58.22 27.16 20.82 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 1374.42 1374.42 1293.33 1293.33 0.00 0.00 0.00 0.00 21:00:11 ens3 105.29 99.59 122.16 167.39 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2858.65 2858.65 2720.50 2720.50 0.00 0.00 0.00 0.00 Average: ens3 90.53 74.80 156.80 69.03 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27155) 06/13/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 67.15 0.00 2.71 0.07 0.10 29.97 20:40:06 0 66.02 0.00 2.75 0.07 0.09 31.06 20:40:06 1 67.51 0.00 2.63 0.05 0.10 29.71 20:40:06 2 67.99 0.00 2.65 0.07 0.10 29.19 20:40:06 3 67.07 0.00 2.82 0.09 0.10 29.92 20:50:10 all 62.28 0.00 4.15 0.11 0.08 33.38 20:50:10 0 62.45 0.00 4.43 0.17 0.08 32.86 20:50:10 1 62.57 0.00 4.51 0.08 0.08 32.75 20:50:10 2 62.85 0.00 4.21 0.08 0.09 32.76 20:50:10 3 61.26 0.00 3.43 0.09 0.09 35.14 21:00:11 all 35.56 0.00 1.82 0.10 0.07 62.45 21:00:11 0 36.66 0.00 1.72 0.14 0.07 61.41 21:00:11 1 32.86 0.00 1.85 0.05 0.07 65.16 21:00:11 2 37.56 0.00 1.88 0.11 0.07 60.38 21:00:11 3 35.17 0.00 1.83 0.08 0.07 62.84 Average: all 55.01 0.00 2.89 0.09 0.08 41.92 Average: 0 55.06 0.00 2.97 0.13 0.08 41.76 Average: 1 54.30 0.00 3.00 0.06 0.08 42.56 Average: 2 56.16 0.00 2.91 0.09 0.09 40.75 Average: 3 54.52 0.00 2.70 0.09 0.09 42.61