---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38321 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 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 708 10449 4 4831 14938 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:8f:94:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82897sec preferred_lft 82897sec inet6 fe80::f816:3eff:fe8f:94d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:5e:8c:58:d4:a9 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-38321) 07/24/26 _x86_64_ (4 CPU) 06:45:30 LINUX RESTART (4 CPU) 06:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:05 2.20 0.04 2.14 0.01 1.90 30.39 0.63 07:10:20 1.51 0.00 1.51 0.00 0.04 25.99 0.00 07:20:20 16.76 1.50 2.03 13.22 96.56 184.33 240704.53 07:30:13 14.80 0.54 13.14 1.12 34.98 3178.46 2983.66 07:40:06 33.02 0.92 27.67 4.44 33.54 4259.15 3021.47 Average: 13.61 0.60 9.24 3.77 33.40 1525.27 49579.34 06:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:05 13039524 15516324 458548 2.80 97676 2568344 982964 5.64 337460 2671328 180 07:10:20 13028180 15506188 468408 2.86 98668 2568480 983276 5.64 338448 2674964 104 07:20:20 12007804 14848452 1116212 6.82 113856 2896788 1902004 10.92 413180 3619740 285792 07:30:13 10353500 13857152 2101352 12.83 141032 3471604 2386844 13.70 604768 5005840 12108 07:40:06 10781012 15367392 583540 3.56 173236 4444072 1095616 6.29 901672 4174048 192 Average: 11842004 15019102 945612 5.78 124894 3189858 1470141 8.44 519106 3629184 59675 06:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:00:05 ens3 3.07 2.11 19.08 0.35 0.00 0.00 0.00 0.00 07:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:10:20 ens3 3.03 2.44 28.34 0.37 0.00 0.00 0.00 0.00 07:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:20 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 07:20:20 ens3 39.59 32.26 512.04 5.06 0.00 0.00 0.00 0.00 07:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:13 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 07:30:13 ens3 74.99 57.45 146.88 17.41 0.00 0.00 0.00 0.00 07:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:06 lo 1624.02 1624.02 1542.32 1542.32 0.00 0.00 0.00 0.00 07:40:06 ens3 100.79 83.35 417.35 78.84 0.00 0.00 0.00 0.00 07:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 323.04 323.04 306.50 306.50 0.00 0.00 0.00 0.00 Average: ens3 44.09 35.36 224.57 20.28 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-38321) 07/24/26 _x86_64_ (4 CPU) 06:45:30 LINUX RESTART (4 CPU) 06:50:19 CPU %user %nice %system %iowait %steal %idle 07:00:05 all 0.14 0.00 0.03 0.02 0.01 99.80 07:00:05 0 0.04 0.00 0.03 0.00 0.02 99.91 07:00:05 1 0.05 0.00 0.02 0.01 0.01 99.90 07:00:05 2 0.05 0.00 0.04 0.05 0.02 99.84 07:00:05 3 0.40 0.00 0.03 0.00 0.01 99.56 07:10:20 all 0.19 0.00 0.04 0.01 0.02 99.74 07:10:20 0 0.02 0.00 0.03 0.03 0.01 99.91 07:10:20 1 0.62 0.00 0.04 0.00 0.02 99.31 07:10:20 2 0.06 0.00 0.04 0.00 0.01 99.88 07:10:20 3 0.07 0.00 0.06 0.00 0.01 99.86 07:20:20 all 4.02 0.00 0.23 0.04 0.02 95.68 07:20:20 0 4.10 0.00 0.23 0.01 0.02 95.64 07:20:20 1 3.79 0.00 0.18 0.10 0.02 95.90 07:20:20 2 4.45 0.00 0.25 0.04 0.03 95.23 07:20:20 3 3.75 0.00 0.27 0.02 0.02 95.94 07:30:13 all 70.48 0.00 2.18 0.03 0.10 27.20 07:30:13 0 68.76 0.00 1.76 0.06 0.10 29.32 07:30:13 1 72.46 0.00 2.30 0.02 0.10 25.11 07:30:13 2 72.97 0.00 2.67 0.03 0.11 24.22 07:30:13 3 67.75 0.00 1.99 0.02 0.10 30.14 07:40:06 all 57.89 0.00 2.47 0.08 0.09 39.46 07:40:06 0 59.13 0.00 2.52 0.07 0.09 38.18 07:40:06 1 55.75 0.00 2.66 0.13 0.09 41.36 07:40:06 2 59.97 0.00 2.57 0.04 0.09 37.32 07:40:06 3 56.71 0.00 2.12 0.09 0.09 40.99 Average: all 26.32 0.00 0.98 0.04 0.05 72.61 Average: 0 26.20 0.00 0.91 0.03 0.05 72.82 Average: 1 26.30 0.00 1.03 0.05 0.05 72.56 Average: 2 27.25 0.00 1.11 0.03 0.05 71.56 Average: 3 25.52 0.00 0.89 0.03 0.05 73.53