---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-675 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 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 665 10292 4 5031 14981 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:29:34:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84280sec preferred_lft 84280sec inet6 fe80::f816:3eff:fe29:34dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:c8:70:dc:b2:9e 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-675) 07/30/26 _x86_64_ (4 CPU) 22:15:25 LINUX RESTART (4 CPU) 22:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:03 10.83 2.14 8.13 0.56 150.32 2329.71 22747.85 22:40:14 11.30 0.46 9.71 1.13 17.34 2230.63 2486.30 22:50:01 28.83 0.58 23.78 4.47 23.26 3772.87 3065.37 Average: 16.86 1.06 13.77 2.03 63.77 2766.73 9455.55 22:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:03 11041472 14251608 1709832 10.44 121652 3237344 2395000 13.75 503328 4465524 26320 22:40:14 9752824 13624736 2330556 14.23 152580 3803624 2602892 14.94 674044 5522992 21324 22:50:01 10562300 15355700 592960 3.62 177076 4640684 1114844 6.40 925868 4370468 10968 Average: 10452199 14410681 1544449 9.43 150436 3893884 2037579 11.70 701080 4786328 19537 22:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:03 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 22:30:03 ens3 77.64 57.31 984.46 9.10 0.00 0.00 0.00 0.00 22:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:14 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 22:40:14 ens3 66.47 53.27 100.97 17.73 0.00 0.00 0.00 0.00 22:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1776.33 1776.33 1680.50 1680.50 0.00 0.00 0.00 0.00 22:50:01 ens3 125.84 110.50 429.70 194.57 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 579.91 579.91 548.09 548.09 0.00 0.00 0.00 0.00 Average: ens3 89.57 73.28 503.83 72.51 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-675) 07/30/26 _x86_64_ (4 CPU) 22:15:25 LINUX RESTART (4 CPU) 22:20:01 CPU %user %nice %system %iowait %steal %idle 22:30:03 all 17.83 0.00 0.69 0.07 0.04 81.36 22:30:03 0 17.44 0.00 0.69 0.04 0.03 81.79 22:30:03 1 16.55 0.00 0.75 0.06 0.04 82.60 22:30:03 2 19.37 0.00 0.69 0.03 0.04 79.87 22:30:03 3 17.97 0.00 0.63 0.16 0.04 81.21 22:40:14 all 72.29 0.00 2.20 0.03 0.09 25.38 22:40:14 0 71.71 0.00 2.23 0.02 0.09 25.95 22:40:14 1 73.21 0.00 2.38 0.03 0.09 24.28 22:40:14 2 70.85 0.00 1.98 0.02 0.10 27.06 22:40:14 3 73.41 0.00 2.22 0.03 0.10 24.24 22:50:01 all 42.87 0.00 2.04 0.07 0.07 54.95 22:50:01 0 41.37 0.00 1.99 0.06 0.07 56.51 22:50:01 1 42.22 0.00 1.77 0.07 0.07 55.88 22:50:01 2 43.72 0.00 1.99 0.09 0.07 54.13 22:50:01 3 44.18 0.00 2.42 0.07 0.07 53.27 Average: all 44.45 0.00 1.64 0.06 0.07 53.78 Average: 0 43.64 0.00 1.64 0.04 0.07 54.61 Average: 1 44.13 0.00 1.64 0.05 0.07 54.11 Average: 2 44.71 0.00 1.55 0.05 0.07 53.63 Average: 3 45.30 0.00 1.75 0.09 0.07 52.79