---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-462916 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 647 8727 4 6613 14998 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:1c:b1:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84052sec preferred_lft 84052sec inet6 fe80::f816:3eff:fe1c:b156/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:d2:71:1c:a3:fd 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-462916) 03/13/26 _x86_64_ (4 CPU) 14:18:51 LINUX RESTART (4 CPU) 14:20:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:31 35.68 3.83 29.15 2.69 196.95 4815.47 2668.94 14:40:01 23.04 0.02 20.52 2.50 0.27 1994.08 9633.41 14:50:31 21.04 0.02 19.06 1.95 0.34 3972.92 18546.82 Average: 26.60 1.31 22.92 2.37 66.53 3633.32 10392.05 14:20:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:31 10480168 13861020 2098392 12.82 134340 3380984 2496036 14.33 637436 4889380 17956 14:40:01 9681208 13410940 2545832 15.55 154452 3682084 2874848 16.50 744892 5540336 16132 14:50:31 6073960 10776940 5175892 31.61 166772 4602956 5184912 29.76 1029940 8800424 29744 Average: 8745112 12682967 3273372 19.99 151855 3888675 3518599 20.20 804089 6410047 21277 14:20:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:31 lo 1302.00 1302.00 1235.10 1235.10 0.00 0.00 0.00 0.00 14:30:31 ens3 121.62 96.33 1041.57 20.65 0.00 0.00 0.00 0.00 14:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 1094.92 1094.92 1042.84 1042.84 0.00 0.00 0.00 0.00 14:40:01 ens3 28.35 24.42 34.42 8.39 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:31 lo 789.03 789.03 2899.04 2899.04 0.00 0.00 0.00 0.00 14:50:31 ens3 26.95 22.51 23.64 7.78 0.00 0.00 0.00 0.00 14:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1058.13 1058.13 1753.99 1753.99 0.00 0.00 0.00 0.00 Average: ens3 59.27 47.97 369.83 12.31 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-462916) 03/13/26 _x86_64_ (4 CPU) 14:18:51 LINUX RESTART (4 CPU) 14:20:22 CPU %user %nice %system %iowait %steal %idle 14:30:31 all 55.25 0.00 2.29 0.15 0.13 42.17 14:30:31 0 56.83 0.00 2.60 0.18 0.13 40.25 14:30:31 1 55.73 0.00 2.22 0.05 0.13 41.88 14:30:31 2 54.83 0.00 2.12 0.18 0.13 42.74 14:30:31 3 53.63 0.00 2.23 0.20 0.13 43.82 14:40:01 all 65.84 0.00 2.37 0.94 0.16 30.69 14:40:01 0 66.51 0.00 2.39 0.61 0.16 30.33 14:40:01 1 65.61 0.00 2.48 0.73 0.16 31.03 14:40:01 2 64.81 0.00 2.39 1.74 0.16 30.90 14:40:01 3 66.43 0.00 2.21 0.66 0.18 30.52 14:50:31 all 48.85 0.00 1.92 3.20 0.13 45.91 14:50:31 0 47.56 0.00 1.97 5.13 0.13 45.20 14:50:31 1 51.27 0.00 1.94 2.71 0.13 43.94 14:50:31 2 46.51 0.00 1.92 2.09 0.13 49.35 14:50:31 3 50.04 0.00 1.85 2.86 0.13 45.13 Average: all 56.36 0.00 2.19 1.46 0.14 39.86 Average: 0 56.65 0.00 2.32 2.04 0.14 38.85 Average: 1 57.29 0.00 2.20 1.19 0.14 39.18 Average: 2 55.08 0.00 2.14 1.34 0.14 41.32 Average: 3 56.41 0.00 2.09 1.27 0.15 40.08