---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26858 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 11G 67G 14% / 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 672 10355 4 4961 14974 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:da:96:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82512sec preferred_lft 82512sec inet6 fe80::f816:3eff:feda:9649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:32:d2:58:eb:3f 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-26858) 06/12/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 1.66 0.00 1.65 0.00 0.04 32.09 0.40 09:40:16 14.48 0.00 1.57 12.90 0.14 28.18 234627.00 09:50:01 8.65 1.97 6.50 0.18 127.27 1536.99 691.60 10:00:01 11.17 0.45 9.62 1.09 17.45 2242.80 2980.22 10:10:16 30.97 0.71 25.93 4.33 23.59 4012.69 54074.36 Average: 13.50 0.62 9.11 3.77 33.00 1575.07 59640.07 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 12911288 15516076 456768 2.79 101668 2691340 994992 5.71 401620 2722964 260 09:40:16 12885208 15496304 476272 2.91 103052 2696036 1010108 5.80 407660 2760096 12 09:50:01 10982240 14109956 1852704 11.32 122484 3158548 2348512 13.48 550508 4496728 44648 10:00:01 9867492 13635228 2321100 14.18 152440 3705400 2535972 14.56 715852 5362296 26828 10:10:16 10666304 15386696 563528 3.44 177764 4570728 1117416 6.41 967752 4237020 8 Average: 11462506 14828852 1134074 6.93 131482 3364410 1601400 9.19 608678 3915821 14351 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 5.55 4.76 78.87 0.65 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:16 ens3 10.91 9.46 70.32 5.99 0.00 0.00 0.00 0.00 09:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 09:50:01 ens3 56.89 47.40 581.53 9.31 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 10:00:01 ens3 69.56 52.35 100.85 17.62 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:16 lo 2573.31 2573.31 2450.05 2450.05 0.00 0.00 0.00 0.00 10:10:16 ens3 81.99 69.38 390.88 74.40 0.00 0.00 0.00 0.00 10:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 525.32 525.32 499.83 499.83 0.00 0.00 0.00 0.00 Average: ens3 44.93 36.64 242.62 21.84 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26858) 06/12/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 0.15 0.00 0.05 0.07 0.01 99.73 09:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 09:30:01 1 0.25 0.00 0.04 0.05 0.01 99.65 09:30:01 2 0.11 0.00 0.04 0.01 0.02 99.82 09:30:01 3 0.21 0.00 0.09 0.21 0.01 99.49 09:40:16 all 0.20 0.00 0.07 0.15 0.01 99.57 09:40:16 0 0.19 0.00 0.06 0.12 0.00 99.63 09:40:16 1 0.10 0.00 0.05 0.00 0.03 99.83 09:40:16 2 0.14 0.00 0.10 0.12 0.01 99.63 09:40:16 3 0.37 0.00 0.08 0.36 0.01 99.19 09:50:01 all 16.34 0.00 0.54 0.04 0.03 83.05 09:50:01 0 15.77 0.00 0.43 0.07 0.03 83.70 09:50:01 1 16.30 0.00 0.73 0.08 0.04 82.85 09:50:01 2 15.82 0.00 0.49 0.01 0.03 83.65 09:50:01 3 17.46 0.00 0.49 0.02 0.04 81.99 10:00:01 all 72.55 0.00 2.24 0.17 0.11 24.92 10:00:01 0 73.83 0.00 2.13 0.15 0.12 23.78 10:00:01 1 71.35 0.00 1.94 0.25 0.11 26.35 10:00:01 2 73.81 0.00 2.62 0.22 0.12 23.24 10:00:01 3 71.21 0.00 2.27 0.07 0.11 26.34 10:10:16 all 47.19 0.00 2.56 5.48 0.10 44.67 10:10:16 0 47.64 0.00 2.83 1.48 0.10 47.95 10:10:16 1 48.48 0.00 2.33 6.11 0.10 42.99 10:10:16 2 47.02 0.00 2.51 4.52 0.10 45.84 10:10:16 3 45.62 0.00 2.57 9.81 0.10 41.91 Average: all 27.27 0.00 1.09 1.20 0.05 70.38 Average: 0 27.47 0.00 1.10 0.37 0.05 71.01 Average: 1 27.30 0.00 1.02 1.32 0.06 70.31 Average: 2 27.37 0.00 1.15 0.99 0.06 70.42 Average: 3 26.93 0.00 1.10 2.13 0.05 69.79