---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12749 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 11G 68G 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 716 10490 4 4782 14930 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:2c:63:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe2c:6322/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:ac:09:36:7d:a8 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-12749) 05/11/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:00 12.87 2.85 9.62 0.40 163.39 2694.31 755.05 15:00:05 11.34 0.47 9.78 1.08 17.45 2568.78 3499.43 15:10:01 44.02 0.74 24.26 19.02 26.56 3714.20 244214.37 Average: 22.66 1.35 14.52 6.79 69.03 2989.60 82245.70 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:00 11498828 14385216 1578748 9.64 114140 2937200 1961404 11.26 476236 4070536 47624 15:00:05 9666684 13293320 2663820 16.27 148532 3570056 2936140 16.85 664180 5618900 22660 15:10:01 10746520 15289860 660724 4.04 173512 4401856 1169588 6.71 949264 4180332 12568 Average: 10637344 14322799 1634431 9.98 145395 3636371 2022377 11.61 696560 4623256 27617 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:00 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 14:50:00 ens3 65.81 53.38 651.63 10.23 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:00:05 ens3 64.88 51.01 139.14 17.24 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1493.02 1493.02 1410.71 1410.71 0.00 0.00 0.00 0.00 15:10:01 ens3 120.65 108.21 422.32 200.46 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 494.72 494.72 466.91 466.91 0.00 0.00 0.00 0.00 Average: ens3 83.64 70.73 403.38 75.54 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-4g-12749) 05/11/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:00 all 17.98 0.00 0.70 0.05 0.04 81.22 14:50:00 0 17.80 0.00 0.74 0.05 0.03 81.38 14:50:00 1 18.53 0.00 0.73 0.07 0.04 80.64 14:50:00 2 17.84 0.00 0.87 0.06 0.05 81.18 14:50:00 3 17.76 0.00 0.47 0.04 0.04 81.70 15:00:05 all 72.46 0.00 2.18 0.34 0.10 24.92 15:00:05 0 71.39 0.00 1.94 0.35 0.10 26.23 15:00:05 1 74.32 0.00 2.39 0.76 0.10 22.42 15:00:05 2 73.15 0.00 2.25 0.11 0.10 24.39 15:00:05 3 70.97 0.00 2.13 0.16 0.10 26.63 15:10:01 all 41.58 0.00 2.05 0.16 0.07 56.14 15:10:01 0 39.00 0.00 1.99 0.12 0.07 58.82 15:10:01 1 44.84 0.00 2.13 0.14 0.08 52.81 15:10:01 2 41.98 0.00 2.27 0.27 0.08 55.40 15:10:01 3 40.50 0.00 1.81 0.10 0.07 57.52 Average: all 44.09 0.00 1.64 0.19 0.07 54.01 Average: 0 42.82 0.00 1.56 0.17 0.07 55.38 Average: 1 45.98 0.00 1.75 0.32 0.07 51.87 Average: 2 44.41 0.00 1.80 0.15 0.07 53.57 Average: 3 43.14 0.00 1.47 0.10 0.07 55.22