---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29519 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 18G 61G 23% / 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 738 10323 4 4927 14908 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:ba:b3:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82901sec preferred_lft 82901sec inet6 fe80::f816:3eff:feba:b39a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:90:b3:cf:d4:c4 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 inet6 fe80::5890:b3ff:fecf:d4c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-29519) 06/22/26 _x86_64_ (4 CPU) 13:40:59 LINUX RESTART (4 CPU) 13:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:09 56.93 22.03 32.72 2.18 263.61 4864.83 4113.21 14:10:00 6.59 0.04 6.25 0.30 1.14 196.16 790.47 14:20:09 24.16 0.14 8.03 16.00 4.24 255.08 206757.65 14:30:09 10.89 0.13 10.29 0.47 4.31 788.31 183.09 Average: 24.71 5.58 14.33 4.80 68.34 1526.33 53736.93 13:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:09 5804124 10042572 5887936 35.96 275960 3873572 7190096 41.27 2183108 7741556 272 14:10:00 8319308 12571828 3360248 20.52 277092 3886356 4831400 27.73 2202548 5208048 6384 14:20:09 8950188 13303232 2628708 16.06 281500 3982216 3651384 20.96 2229076 4556448 81460 14:30:09 6778240 11237572 4692684 28.66 285524 4079868 5308572 30.47 2245496 6693820 36 Average: 7462965 11788801 4142394 25.30 280019 3955503 5245363 30.11 2215057 6049968 22038 13:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:09 lo 12.46 12.46 11.50 11.50 0.00 0.00 0.00 0.00 14:00:09 ens3 1.41 1.18 0.51 0.46 0.00 0.00 0.00 0.00 14:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 14.15 14.15 6.74 6.74 0.00 0.00 0.00 0.00 14:10:00 ens3 0.70 0.59 0.14 0.11 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:09 lo 11.50 11.50 6.79 6.79 0.00 0.00 0.00 0.00 14:20:09 ens3 1.09 1.34 0.20 1.32 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:09 lo 21.34 21.34 10.80 10.80 0.00 0.00 0.00 0.00 14:30:09 ens3 1.03 0.91 0.26 0.25 0.00 0.00 0.00 0.00 14:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 14.86 14.86 8.96 8.96 0.00 0.00 0.00 0.00 Average: ens3 1.06 1.01 0.28 0.54 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-16g-29519) 06/22/26 _x86_64_ (4 CPU) 13:40:59 LINUX RESTART (4 CPU) 13:50:09 CPU %user %nice %system %iowait %steal %idle 14:00:09 all 29.59 0.00 1.19 0.07 0.10 69.05 14:00:09 0 29.14 0.00 1.20 0.04 0.11 69.51 14:00:09 1 29.86 0.00 1.18 0.08 0.10 68.78 14:00:09 2 29.19 0.00 1.21 0.12 0.10 69.38 14:00:09 3 30.17 0.00 1.15 0.06 0.11 68.51 14:10:00 all 13.00 0.00 0.51 0.03 0.09 86.38 14:10:00 0 12.23 0.00 0.50 0.01 0.08 87.18 14:10:00 1 12.99 0.00 0.41 0.04 0.08 86.48 14:10:00 2 13.29 0.00 0.55 0.03 0.10 86.03 14:10:00 3 13.48 0.00 0.57 0.02 0.09 85.83 14:20:09 all 16.20 0.00 0.69 0.06 0.09 82.96 14:20:09 0 15.79 0.00 0.71 0.01 0.09 83.41 14:20:09 1 16.75 0.00 0.75 0.09 0.10 82.32 14:20:09 2 15.77 0.00 0.66 0.11 0.10 83.36 14:20:09 3 16.50 0.00 0.65 0.01 0.09 82.74 14:30:09 all 16.34 0.00 0.60 0.27 0.07 82.71 14:30:09 0 16.34 0.00 0.50 0.05 0.07 83.05 14:30:09 1 16.21 0.00 0.61 0.20 0.07 82.91 14:30:09 2 16.50 0.00 0.61 0.81 0.07 82.01 14:30:09 3 16.32 0.00 0.70 0.03 0.07 82.88 Average: all 18.79 0.00 0.75 0.11 0.09 80.27 Average: 0 18.38 0.00 0.73 0.03 0.09 80.78 Average: 1 18.96 0.00 0.74 0.10 0.09 80.11 Average: 2 18.69 0.00 0.76 0.27 0.09 80.19 Average: 3 19.12 0.00 0.77 0.03 0.09 79.99