---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53110 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 8591 4 6722 14971 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:c5:0c:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84462sec preferred_lft 84462sec inet6 fe80::f816:3eff:fec5:cd9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:a9:8a:27:db:84 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53110) 03/26/26 _x86_64_ (4 CPU) 08:48:28 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:17 39.31 4.13 31.78 3.40 580.73 5523.87 19393.72 09:10:01 28.50 0.01 25.55 2.94 0.18 2370.97 23347.63 09:20:01 16.37 0.10 14.79 1.48 8.32 8859.98 6365.54 Average: 28.15 1.45 24.10 2.61 201.41 5611.65 16336.11 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:17 9565444 13259072 2699252 16.49 137756 3680736 2669712 15.32 805124 5624012 21888 09:10:01 8880964 13058396 2896516 17.69 161320 4105128 3138260 18.01 922076 6150320 106684 09:20:01 8849448 15371488 576132 3.52 178348 6356552 1078264 6.19 1761728 5245560 27444 Average: 9098619 13896319 2057300 12.57 159141 4714139 2295412 13.18 1162976 5673297 52005 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:17 lo 1514.83 1514.83 1437.88 1437.88 0.00 0.00 0.00 0.00 09:00:17 ens3 140.47 90.54 1084.17 15.24 0.00 0.00 0.00 0.00 09:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1376.53 1376.53 1311.67 1311.67 0.00 0.00 0.00 0.00 09:10:01 ens3 24.45 21.03 41.12 6.34 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 425.87 425.87 7018.40 7018.40 0.00 0.00 0.00 0.00 09:20:01 ens3 39.88 32.92 138.26 34.71 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1107.00 1107.00 3256.66 3256.66 0.00 0.00 0.00 0.00 Average: ens3 69.27 48.76 430.17 18.84 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53110) 03/26/26 _x86_64_ (4 CPU) 08:48:28 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:17 all 68.77 0.00 2.71 0.74 0.12 27.67 09:00:17 0 69.53 0.00 2.48 0.71 0.13 27.15 09:00:17 1 68.53 0.00 2.93 0.25 0.12 28.17 09:00:17 2 68.33 0.00 2.71 0.47 0.13 28.36 09:00:17 3 68.68 0.00 2.70 1.52 0.12 26.98 09:10:01 all 64.96 0.00 2.46 0.08 0.13 32.38 09:10:01 0 63.62 0.00 2.33 0.07 0.13 33.85 09:10:01 1 66.71 0.00 2.55 0.09 0.12 30.54 09:10:01 2 64.87 0.00 2.35 0.05 0.12 32.61 09:10:01 3 64.64 0.00 2.63 0.10 0.13 32.51 09:20:01 all 36.38 0.00 1.34 5.03 0.12 57.14 09:20:01 0 36.90 0.00 1.45 5.59 0.13 55.94 09:20:01 1 32.28 0.00 1.13 5.34 0.10 61.15 09:20:01 2 43.06 0.00 1.30 5.25 0.11 50.29 09:20:01 3 33.27 0.00 1.47 3.95 0.13 61.18 Average: all 56.73 0.00 2.17 1.96 0.12 39.03 Average: 0 56.73 0.00 2.09 2.13 0.13 38.92 Average: 1 55.84 0.00 2.20 1.90 0.12 39.94 Average: 2 58.77 0.00 2.12 1.93 0.12 37.06 Average: 3 55.55 0.00 2.27 1.87 0.13 40.18