---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33704 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 17G 61G 22% / 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 7135 3627 3 5226 8511 Swap: 1023 14 1009 ---> 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:3a:d8:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82710sec preferred_lft 82710sec inet6 fe80::f816:3eff:fe3a:d85e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:c8:56:0c:9a:83 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::8c8:56ff:fe0c:9a83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-33704) 07/07/26 _x86_64_ (4 CPU) 12:32:25 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:05 33.97 1.77 30.58 1.62 89.27 2733.03 1079.21 13:00:05 11.08 0.39 10.15 0.54 3.64 303.71 579.12 13:10:01 7.71 0.01 7.33 0.37 0.66 266.41 399.62 13:20:05 39.99 19.46 19.44 1.09 162.44 1936.94 607.17 13:30:05 31.77 18.77 12.22 0.78 154.04 1304.46 1514.92 Average: 24.96 8.10 15.98 0.88 82.25 1313.10 836.61 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:05 154604 5158512 10770344 65.78 246400 4639176 11761924 67.51 2143996 13389720 280 13:00:05 2147964 7142748 8787316 53.67 247968 4628940 9542244 54.77 2178236 11360072 808 13:10:01 4665468 9683072 6248992 38.17 249524 4650384 7009744 40.24 2185272 8844196 320 13:20:05 237848 4754804 11175248 68.25 262624 4160092 12439864 71.40 2324180 13139540 448 13:30:05 1453960 6289696 9641216 58.88 271728 4466744 10762032 61.77 2470144 11791888 396 Average: 1731969 6605766 9324623 56.95 255649 4509067 10303162 59.14 2260366 11705083 450 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:05 lo 18.58 18.58 11.10 11.10 0.00 0.00 0.00 0.00 12:50:05 ens3 1.37 1.17 0.35 0.30 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 30.10 30.10 13.32 13.32 0.00 0.00 0.00 0.00 13:00:05 ens3 1.15 1.04 0.32 1.05 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 17.16 17.16 7.77 7.77 0.00 0.00 0.00 0.00 13:10:01 ens3 0.58 0.44 0.12 0.09 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 lo 11.75 11.75 10.94 10.94 0.00 0.00 0.00 0.00 13:20:05 ens3 1.90 1.54 0.53 1.41 0.00 0.00 0.00 0.00 13:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:05 lo 10.90 10.90 5.81 5.81 0.00 0.00 0.00 0.00 13:30:05 ens3 0.76 0.67 0.21 0.18 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.69 17.69 9.80 9.80 0.00 0.00 0.00 0.00 Average: ens3 1.15 0.97 0.31 0.61 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-33704) 07/07/26 _x86_64_ (4 CPU) 12:32:25 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:05 all 41.01 0.00 1.43 0.10 0.10 57.36 12:50:05 0 40.58 0.00 1.46 0.05 0.10 57.80 12:50:05 1 41.14 0.00 1.29 0.08 0.11 57.37 12:50:05 2 42.53 0.00 1.61 0.11 0.10 55.64 12:50:05 3 39.79 0.00 1.36 0.14 0.10 58.61 13:00:05 all 23.90 0.00 0.88 0.04 0.09 75.09 13:00:05 0 23.22 0.00 0.81 0.04 0.09 75.83 13:00:05 1 24.04 0.00 0.85 0.03 0.10 74.98 13:00:05 2 24.11 0.00 0.95 0.06 0.09 74.79 13:00:05 3 24.22 0.00 0.90 0.03 0.09 74.76 13:10:01 all 17.90 0.00 0.75 0.13 0.09 81.14 13:10:01 0 17.06 0.00 0.66 0.02 0.08 82.18 13:10:01 1 18.13 0.00 0.77 0.29 0.09 80.71 13:10:01 2 18.47 0.00 0.88 0.10 0.09 80.46 13:10:01 3 17.92 0.00 0.68 0.11 0.08 81.21 13:20:05 all 23.04 0.00 0.87 0.17 0.09 75.83 13:20:05 0 23.22 0.00 0.84 0.11 0.08 75.75 13:20:05 1 22.66 0.00 0.85 0.13 0.09 76.27 13:20:05 2 23.18 0.00 0.96 0.05 0.09 75.72 13:20:05 3 23.12 0.00 0.81 0.38 0.09 75.59 13:30:05 all 14.50 0.00 0.66 4.32 0.09 80.43 13:30:05 0 14.29 0.00 0.60 4.22 0.11 80.78 13:30:05 1 14.93 0.00 0.63 1.86 0.09 82.50 13:30:05 2 14.57 0.00 0.79 9.58 0.09 74.96 13:30:05 3 14.19 0.00 0.63 1.61 0.08 83.48 Average: all 24.10 0.00 0.92 0.95 0.09 73.94 Average: 0 23.71 0.00 0.87 0.88 0.09 74.44 Average: 1 24.21 0.00 0.88 0.48 0.10 74.34 Average: 2 24.60 0.00 1.04 1.97 0.09 72.29 Average: 3 23.88 0.00 0.88 0.45 0.09 74.70