---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53208 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 704 9218 4 6066 14942 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:8a:0e:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83594sec preferred_lft 83594sec inet6 fe80::f816:3eff:fe8a:e00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:b8:6e:ff:38:0f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53208) 03/26/26 _x86_64_ (4 CPU) 14:24:48 LINUX RESTART (4 CPU) 14:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:06 3.68 0.18 3.32 0.18 24.82 432.60 6158.10 14:50:06 25.98 2.52 20.14 3.32 145.11 3590.44 22874.27 15:00:06 19.05 0.15 16.10 2.80 4.65 1627.53 27376.04 15:10:06 23.32 0.45 20.10 2.77 15.16 7116.77 4145.47 Average: 18.04 0.83 14.94 2.27 47.49 3198.84 15161.28 14:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:06 12926932 15481184 499840 3.05 94828 2655284 986152 5.66 461236 2672604 292 14:50:06 9618860 13260428 2697620 16.48 135388 3624828 2996960 17.20 813568 5550232 29208 15:00:06 9084772 13176324 2778392 16.97 154480 4025396 2987324 17.15 940140 5924664 115444 15:10:06 9479880 15334180 612088 3.74 176876 5688764 1089600 6.25 1703828 4652440 228 Average: 10277611 14313029 1646985 10.06 140393 3998568 2015009 11.57 979693 4699985 36293 14:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:06 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:40:06 ens3 7.85 7.45 32.46 1.88 0.00 0.00 0.00 0.00 14:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:06 lo 19.31 19.31 4.17 4.17 0.00 0.00 0.00 0.00 14:50:06 ens3 75.67 59.74 621.02 11.85 0.00 0.00 0.00 0.00 14:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:06 lo 1152.00 1152.00 1067.94 1067.94 0.00 0.00 0.00 0.00 15:00:06 ens3 34.21 23.53 247.74 5.72 0.00 0.00 0.00 0.00 15:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:06 lo 1328.50 1328.50 1286.20 1286.20 0.00 0.00 0.00 0.00 15:10:06 ens3 93.34 93.25 234.03 869.68 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 626.57 626.57 591.08 591.08 0.00 0.00 0.00 0.00 Average: ens3 52.88 46.09 284.45 222.84 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53208) 03/26/26 _x86_64_ (4 CPU) 14:24:48 LINUX RESTART (4 CPU) 14:30:12 CPU %user %nice %system %iowait %steal %idle 14:40:06 all 0.36 0.00 0.11 0.19 0.02 99.33 14:40:06 0 0.26 0.00 0.11 0.12 0.01 99.50 14:40:06 1 0.52 0.00 0.14 0.16 0.02 99.15 14:40:06 2 0.47 0.00 0.12 0.45 0.02 98.95 14:40:06 3 0.17 0.00 0.08 0.03 0.01 99.72 14:50:06 all 40.49 0.00 1.45 1.21 0.11 56.73 14:50:06 0 41.06 0.00 1.19 0.83 0.10 56.83 14:50:06 1 41.06 0.00 1.51 0.58 0.11 56.75 14:50:06 2 40.10 0.00 1.41 1.44 0.11 56.94 14:50:06 3 39.75 0.00 1.72 2.01 0.11 56.42 15:00:06 all 25.06 0.00 1.39 0.93 0.08 72.54 15:00:06 0 25.06 0.00 1.34 1.20 0.09 72.31 15:00:06 1 25.98 0.00 1.19 0.39 0.08 72.37 15:00:06 2 24.67 0.00 1.71 1.29 0.08 72.24 15:00:06 3 24.53 0.00 1.32 0.82 0.09 73.25 15:10:06 all 34.72 0.00 1.78 0.68 0.07 62.75 15:10:06 0 31.08 0.00 1.61 0.74 0.06 66.50 15:10:06 1 35.45 0.00 1.59 0.92 0.07 61.97 15:10:06 2 36.77 0.00 2.11 0.27 0.07 60.77 15:10:06 3 35.59 0.00 1.80 0.79 0.07 61.74 Average: all 25.20 0.00 1.18 0.75 0.07 72.79 Average: 0 24.41 0.00 1.06 0.72 0.06 73.74 Average: 1 25.79 0.00 1.11 0.51 0.07 72.52 Average: 2 25.55 0.00 1.34 0.87 0.07 72.18 Average: 3 25.05 0.00 1.23 0.91 0.07 72.73