---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36605 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 12G 67G 15% / 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 717 9638 4 5633 14929 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:13:54:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84373sec preferred_lft 84373sec inet6 fe80::f816:3eff:fe13:54e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:b7:e5:c4:a9:36 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-36605) 07/17/26 _x86_64_ (4 CPU) 06:28:19 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:05 34.23 3.51 16.60 14.13 182.81 5094.17 237662.85 06:50:12 38.29 0.06 34.43 3.80 1.72 3615.51 18946.00 07:00:01 22.04 0.15 19.17 2.73 10.12 5777.13 87592.33 Average: 31.61 1.25 23.44 6.92 65.27 4819.77 114852.41 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:05 9405460 12998548 2959912 18.08 144632 3547260 3145192 18.05 640628 5908120 59300 06:50:12 8697232 12927172 3025076 18.48 178472 4096280 3437000 19.73 829332 6381044 20028 07:00:01 9941176 15347672 598468 3.66 200324 5183188 1097716 6.30 914440 4949984 320 Average: 9347956 13757797 2194485 13.40 174476 4275576 2559969 14.69 794800 5746383 26549 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:05 lo 318.25 318.25 302.78 302.78 0.00 0.00 0.00 0.00 06:40:05 ens3 104.89 79.91 830.22 16.33 0.00 0.00 0.00 0.00 06:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:12 lo 1777.38 1777.38 1694.61 1694.61 0.00 0.00 0.00 0.00 06:50:12 ens3 52.05 39.47 184.51 11.57 0.00 0.00 0.00 0.00 06:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 115.00 115.00 99.27 99.27 0.00 0.00 0.00 0.00 07:00:01 ens3 73.28 70.30 124.90 215.96 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.15 743.15 704.93 704.93 0.00 0.00 0.00 0.00 Average: ens3 76.74 63.14 381.77 80.10 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-36605) 07/17/26 _x86_64_ (4 CPU) 06:28:19 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:05 all 41.44 0.00 1.43 0.08 0.09 56.97 06:40:05 0 41.66 0.00 1.21 0.06 0.08 56.98 06:40:05 1 41.62 0.00 1.56 0.12 0.09 56.62 06:40:05 2 39.46 0.00 1.44 0.07 0.08 58.94 06:40:05 3 43.00 0.00 1.51 0.08 0.08 55.33 06:50:12 all 64.40 0.00 2.70 0.09 0.12 32.69 06:50:12 0 63.43 0.00 2.88 0.06 0.12 33.50 06:50:12 1 65.67 0.00 2.84 0.12 0.13 31.24 06:50:12 2 63.45 0.00 2.66 0.10 0.12 33.67 06:50:12 3 65.05 0.00 2.40 0.06 0.13 32.37 07:00:01 all 50.03 0.00 1.63 0.08 0.16 48.11 07:00:01 0 50.45 0.00 1.68 0.11 0.11 47.65 07:00:01 1 49.63 0.00 1.45 0.05 0.26 48.61 07:00:01 2 54.29 0.00 1.93 0.09 0.11 43.59 07:00:01 3 45.76 0.00 1.46 0.06 0.16 52.56 Average: all 51.97 0.00 1.92 0.08 0.12 45.91 Average: 0 51.84 0.00 1.92 0.08 0.10 46.05 Average: 1 52.33 0.00 1.95 0.10 0.16 45.46 Average: 2 52.39 0.00 2.01 0.09 0.10 45.41 Average: 3 51.31 0.00 1.79 0.06 0.12 46.71