---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11790 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: 5600.00 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 682 8144 4 7162 14964 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:70:d5:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83740sec preferred_lft 83740sec inet6 fe80::f816:3eff:fe70:d53f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:4a:93:e1:ea:ef 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-11790) 05/07/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 24.19 0.07 21.44 2.68 6.30 2255.89 4945.44 19:30:01 32.66 0.04 29.31 3.31 1.23 4479.98 9583.82 19:40:04 11.25 0.29 9.70 1.27 11.34 7572.65 3322.57 Average: 22.66 0.13 20.11 2.42 6.31 4772.80 5938.86 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 8590340 12646256 3309156 20.21 150756 4004800 3325188 19.09 840844 6526336 182716 19:30:01 7584036 12484068 3466780 21.17 167520 4793908 3425640 19.66 1091384 7234836 2120 19:40:04 8392432 15366112 578180 3.53 187404 6781084 1102516 6.33 1845088 5588092 296 Average: 8188936 13498812 2451372 14.97 168560 5193264 2617781 15.03 1259105 6449755 61711 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1293.09 1293.09 1225.83 1225.83 0.00 0.00 0.00 0.00 19:20:04 ens3 43.47 35.66 45.61 12.02 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1309.93 1309.93 1243.38 1243.38 0.00 0.00 0.00 0.00 19:30:01 ens3 49.14 37.44 30.35 12.76 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 2414.09 2414.09 9234.91 9234.91 0.00 0.00 0.00 0.00 19:40:04 ens3 53.52 55.37 134.30 546.85 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 1673.98 1673.98 3913.08 3913.08 0.00 0.00 0.00 0.00 Average: ens3 48.71 42.85 70.25 191.33 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-11790) 05/07/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 65.70 0.00 2.34 0.05 0.11 31.80 19:20:04 0 65.30 0.00 2.19 0.07 0.11 32.33 19:20:04 1 67.31 0.00 2.53 0.08 0.11 29.97 19:20:04 2 65.51 0.00 2.39 0.04 0.11 31.95 19:20:04 3 64.66 0.00 2.25 0.04 0.11 32.94 19:30:01 all 60.91 0.00 2.54 0.14 0.10 36.32 19:30:01 0 61.32 0.00 2.57 0.07 0.10 35.94 19:30:01 1 60.30 0.00 2.63 0.30 0.10 36.67 19:30:01 2 60.80 0.00 2.39 0.04 0.10 36.67 19:30:01 3 61.20 0.00 2.55 0.14 0.10 36.00 19:40:04 all 32.24 0.00 1.25 0.25 0.07 66.19 19:40:04 0 29.73 0.00 1.25 0.67 0.07 68.28 19:40:04 1 32.07 0.00 0.87 0.05 0.06 66.94 19:40:04 2 41.59 0.00 1.39 0.24 0.07 56.71 19:40:04 3 25.58 0.00 1.48 0.04 0.06 72.83 Average: all 52.89 0.00 2.04 0.15 0.09 44.83 Average: 0 52.06 0.00 2.00 0.27 0.09 45.58 Average: 1 53.17 0.00 2.01 0.14 0.09 44.59 Average: 2 55.92 0.00 2.06 0.11 0.09 41.82 Average: 3 50.42 0.00 2.09 0.08 0.09 47.32