---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1558 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 13G 65G 17% / 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 703 8157 4 7128 14943 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:8b:2f:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83891sec preferred_lft 83891sec inet6 fe80::f816:3eff:fe8b:2fcd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:b9:b4:fa:61:33 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-1558) 08/02/26 _x86_64_ (4 CPU) 19:01:47 LINUX RESTART (4 CPU) 19:10:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:16 21.62 0.07 19.11 2.44 6.00 2152.06 7823.98 19:30:34 30.96 0.02 27.85 3.08 0.41 4326.08 15823.17 19:40:04 11.43 0.15 10.04 1.24 10.05 7693.23 4905.92 Average: 21.60 0.08 19.24 2.28 5.35 4695.00 9676.71 19:10:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:16 9258592 13108944 2846408 17.38 149516 3801824 2801312 16.08 757676 5934744 22336 19:30:34 7417724 12277920 3673304 22.44 171184 4745864 3424864 19.66 1040376 7437612 24 19:40:04 8388956 15322024 622688 3.80 188348 6734512 1108388 6.36 1790844 5628780 27272 Average: 8355091 13569629 2380800 14.54 169683 5094067 2444855 14.03 1196299 6333712 16544 19:10:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:16 lo 1162.39 1162.39 1100.96 1100.96 0.00 0.00 0.00 0.00 19:20:16 ens3 38.79 30.97 22.25 10.53 0.00 0.00 0.00 0.00 19:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:34 lo 1332.80 1332.80 1265.15 1265.15 0.00 0.00 0.00 0.00 19:30:34 ens3 44.94 36.37 25.70 12.46 0.00 0.00 0.00 0.00 19:30:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 2676.54 2676.54 9778.84 9778.84 0.00 0.00 0.00 0.00 19:40:04 ens3 34.49 33.05 136.92 221.03 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1709.38 1709.38 3952.25 3952.25 0.00 0.00 0.00 0.00 Average: ens3 39.55 33.52 60.38 78.98 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-1558) 08/02/26 _x86_64_ (4 CPU) 19:01:47 LINUX RESTART (4 CPU) 19:10:34 CPU %user %nice %system %iowait %steal %idle 19:20:16 all 62.22 0.00 2.12 0.04 0.10 35.52 19:20:16 0 61.86 0.00 1.99 0.04 0.09 36.01 19:20:16 1 62.98 0.00 2.16 0.04 0.09 34.72 19:20:16 2 61.82 0.00 2.09 0.03 0.09 35.97 19:20:16 3 62.24 0.00 2.24 0.06 0.10 35.37 19:30:34 all 56.52 0.00 2.32 0.10 0.10 40.96 19:30:34 0 55.78 0.00 2.69 0.22 0.10 41.21 19:30:34 1 56.58 0.00 2.07 0.08 0.10 41.17 19:30:34 2 58.51 0.00 2.32 0.04 0.10 39.04 19:30:34 3 55.21 0.00 2.18 0.08 0.10 42.43 19:40:04 all 33.47 0.00 1.29 0.11 0.07 65.07 19:40:04 0 26.20 0.00 1.88 0.25 0.07 71.61 19:40:04 1 36.01 0.00 1.37 0.05 0.07 62.50 19:40:04 2 30.26 0.00 1.02 0.06 0.06 68.59 19:40:04 3 41.43 0.00 0.90 0.07 0.07 57.54 Average: all 50.95 0.00 1.92 0.09 0.09 46.95 Average: 0 48.23 0.00 2.20 0.17 0.09 49.32 Average: 1 52.05 0.00 1.87 0.06 0.09 45.93 Average: 2 50.47 0.00 1.82 0.04 0.09 47.58 Average: 3 53.08 0.00 1.79 0.07 0.09 44.98