---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22573 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 675 8288 4 7025 14970 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:f1:f0:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83983sec preferred_lft 83983sec inet6 fe80::f816:3eff:fef1:f021/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:13:8a:d7:28:c9 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-22573) 06/02/26 _x86_64_ (4 CPU) 11:20:20 LINUX RESTART (4 CPU) 11:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:12 26.46 0.01 23.44 3.01 0.19 2140.68 6908.60 11:50:14 21.31 0.02 19.40 1.89 0.36 3691.43 6453.55 12:00:01 27.79 0.33 11.19 16.27 14.54 7592.14 233621.44 Average: 25.16 0.12 18.06 6.98 4.96 4451.10 81166.64 11:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:12 8826648 12680596 3276144 20.01 150552 3801364 3249580 18.65 752112 6365540 25100 11:50:14 7758780 12513544 3439172 21.01 168860 4645940 3470544 19.92 1009580 7144536 2872 12:00:01 8534688 15370352 574580 3.51 186176 6642764 1088664 6.25 1771208 5515056 10880 Average: 8373372 13521497 2429965 14.84 168529 5030023 2602929 14.94 1177633 6341711 12951 11:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:12 lo 1299.44 1299.44 1237.32 1237.32 0.00 0.00 0.00 0.00 11:40:12 ens3 44.54 34.58 17.04 11.79 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:14 lo 718.50 718.50 676.11 676.11 0.00 0.00 0.00 0.00 11:50:14 ens3 35.84 27.95 25.65 9.23 0.00 0.00 0.00 0.00 11:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 2614.35 2614.35 9487.54 9487.54 0.00 0.00 0.00 0.00 12:00:01 ens3 106.73 115.67 155.74 1279.01 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1535.78 1535.78 3756.58 3756.58 0.00 0.00 0.00 0.00 Average: ens3 62.03 58.97 65.45 426.85 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-22573) 06/02/26 _x86_64_ (4 CPU) 11:20:20 LINUX RESTART (4 CPU) 11:30:11 CPU %user %nice %system %iowait %steal %idle 11:40:12 all 65.75 0.00 2.31 0.05 0.11 31.78 11:40:12 0 65.41 0.00 2.23 0.09 0.11 32.17 11:40:12 1 66.72 0.00 2.26 0.03 0.11 30.89 11:40:12 2 64.83 0.00 2.33 0.03 0.11 32.69 11:40:12 3 66.06 0.00 2.41 0.05 0.11 31.37 11:50:14 all 39.86 0.00 1.65 0.14 0.10 58.25 11:50:14 0 39.59 0.00 1.85 0.09 0.09 58.38 11:50:14 1 40.71 0.00 1.67 0.23 0.10 57.30 11:50:14 2 39.21 0.00 1.49 0.20 0.09 59.00 11:50:14 3 39.92 0.00 1.59 0.06 0.10 58.34 12:00:01 all 36.21 0.00 1.42 0.42 0.08 61.87 12:00:01 0 31.15 0.00 1.36 0.17 0.07 67.25 12:00:01 1 42.84 0.00 1.74 0.14 0.08 55.19 12:00:01 2 31.83 0.00 1.30 0.36 0.07 66.43 12:00:01 3 39.05 0.00 1.26 1.01 0.08 58.60 Average: all 47.35 0.00 1.79 0.20 0.09 50.56 Average: 0 45.48 0.00 1.82 0.11 0.09 52.50 Average: 1 50.13 0.00 1.89 0.13 0.10 47.76 Average: 2 45.37 0.00 1.71 0.20 0.09 52.62 Average: 3 48.40 0.00 1.76 0.37 0.10 49.38