---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-28331 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: 5599.86 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 720 13111 3 2157 14926 Swap: 1023 23 1000 ---> 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:26:fc:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83891sec preferred_lft 83891sec inet6 fe80::f816:3eff:fe26:fc4e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:58:5c:39:b9:12 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::7858:5cff:fe39:b912/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-28331) 06/18/26 _x86_64_ (4 CPU) 10:03:50 LINUX RESTART (4 CPU) 10:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:07 85.08 21.07 60.60 3.42 1071.48 7990.53 2751.52 10:30:07 42.76 17.32 24.21 1.22 223.91 595.73 546.25 10:40:07 9.29 0.97 7.98 0.34 36.05 178.07 283.67 Average: 45.71 13.12 30.93 1.66 443.81 2921.44 1193.81 10:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:07 5649764 7064364 8883684 54.26 195228 1400696 9706724 55.72 767320 9588752 360 10:30:07 12406116 13926380 2026532 12.38 203564 1484588 3013460 17.30 894052 2724260 1572 10:40:07 9820668 11362016 4589620 28.03 205352 1503804 5365968 30.80 907952 5281240 52 Average: 9292183 10784253 5166612 31.56 201381 1463029 6028717 34.60 856441 5864751 661 10:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:07 lo 24.85 24.85 21.05 21.05 0.00 0.00 0.00 0.00 10:20:07 ens3 2.28 2.18 0.71 0.66 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:07 lo 30.14 30.14 13.03 13.03 0.00 0.00 0.00 0.00 10:30:07 ens3 2.24 1.86 0.47 1.20 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 13.91 13.91 7.55 7.55 0.00 0.00 0.00 0.00 10:40:07 ens3 0.93 0.66 0.22 0.17 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.97 22.97 13.88 13.88 0.00 0.00 0.00 0.00 Average: ens3 1.82 1.57 0.47 0.67 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-28331) 06/18/26 _x86_64_ (4 CPU) 10:03:50 LINUX RESTART (4 CPU) 10:10:07 CPU %user %nice %system %iowait %steal %idle 10:20:07 all 64.43 0.00 2.37 0.22 0.10 32.89 10:20:07 0 64.28 0.00 2.56 0.26 0.10 32.80 10:20:07 1 64.61 0.00 2.35 0.21 0.09 32.75 10:20:07 2 64.27 0.00 2.39 0.22 0.09 33.03 10:20:07 3 64.56 0.00 2.18 0.18 0.10 32.98 10:30:07 all 40.52 0.07 1.41 0.09 0.10 57.81 10:30:07 0 40.38 0.05 1.48 0.05 0.10 57.95 10:30:07 1 40.36 0.16 1.40 0.16 0.10 57.82 10:30:07 2 40.57 0.06 1.40 0.07 0.10 57.81 10:30:07 3 40.76 0.00 1.37 0.10 0.09 57.67 10:40:07 all 14.48 0.00 0.55 0.04 0.09 84.85 10:40:07 0 14.34 0.00 0.54 0.02 0.08 85.02 10:40:07 1 15.48 0.00 0.61 0.03 0.09 83.80 10:40:07 2 14.60 0.00 0.53 0.03 0.09 84.76 10:40:07 3 13.49 0.00 0.51 0.08 0.09 85.83 Average: all 39.79 0.02 1.44 0.12 0.09 58.54 Average: 0 39.66 0.02 1.52 0.11 0.09 58.60 Average: 1 40.13 0.05 1.45 0.13 0.09 58.14 Average: 2 39.79 0.02 1.44 0.10 0.09 58.56 Average: 3 39.58 0.00 1.35 0.12 0.09 58.85