---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38325 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 13G 65G 17% / 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 664 8294 4 7030 14982 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:52:f6:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83650sec preferred_lft 83650sec inet6 fe80::f816:3eff:fe52:f68b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:6f:b4:e1:d1:98 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-38325) 07/24/26 _x86_64_ (4 CPU) 06:46:22 LINUX RESTART (4 CPU) 06:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:08 28.96 3.01 23.25 2.69 164.69 3770.50 4915.70 07:10:11 24.59 0.02 22.08 2.49 0.21 2048.68 9032.35 07:20:11 19.46 0.03 17.60 1.83 0.40 3534.02 6676.21 07:30:03 11.20 0.14 9.72 1.33 10.08 7471.97 1160.81 Average: 21.08 0.80 18.19 2.09 43.81 4193.41 5464.88 06:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:08 9950060 13473496 2484788 15.18 136988 3510704 2463792 14.14 660360 5345256 18360 07:10:11 8278316 12384948 3569872 21.80 155524 4034444 3528632 20.25 781192 6884476 218784 07:20:11 5506956 10305192 5646912 34.49 169912 4685892 5467932 31.39 1025984 9363648 29760 07:30:03 8532500 15371828 573356 3.50 185404 6646368 1117576 6.41 1758516 5531220 180 Average: 8066958 12883866 3068732 18.74 161957 4719352 3144483 18.05 1056513 6781150 66771 06:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:08 lo 1390.06 1390.06 1318.73 1318.73 0.00 0.00 0.00 0.00 07:00:08 ens3 126.84 96.36 984.87 18.91 0.00 0.00 0.00 0.00 07:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:11 lo 1150.27 1150.27 1095.91 1095.91 0.00 0.00 0.00 0.00 07:10:11 ens3 34.37 28.63 14.46 9.90 0.00 0.00 0.00 0.00 07:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:11 lo 629.18 629.18 1431.41 1431.41 0.00 0.00 0.00 0.00 07:20:11 ens3 26.79 22.04 19.93 7.70 0.00 0.00 0.00 0.00 07:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:03 lo 2543.62 2543.62 8535.62 8535.62 0.00 0.00 0.00 0.00 07:30:03 ens3 70.86 84.19 147.80 1211.31 0.00 0.00 0.00 0.00 07:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1424.15 1424.15 3076.28 3076.28 0.00 0.00 0.00 0.00 Average: ens3 64.61 57.65 291.37 308.81 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-38325) 07/24/26 _x86_64_ (4 CPU) 06:46:22 LINUX RESTART (4 CPU) 06:50:10 CPU %user %nice %system %iowait %steal %idle 07:00:08 all 54.07 0.00 2.23 0.27 0.10 43.33 07:00:08 0 54.86 0.00 2.25 0.32 0.10 42.48 07:00:08 1 53.30 0.00 1.77 0.26 0.10 44.57 07:00:08 2 55.88 0.00 2.84 0.24 0.10 40.94 07:00:08 3 52.22 0.00 2.08 0.28 0.09 45.34 07:10:11 all 65.02 0.00 2.26 0.48 0.12 32.12 07:10:11 0 63.57 0.00 2.11 0.15 0.12 34.06 07:10:11 1 66.54 0.00 2.47 0.84 0.12 30.03 07:10:11 2 64.28 0.00 2.23 0.67 0.12 32.70 07:10:11 3 65.68 0.00 2.21 0.28 0.12 31.71 07:20:11 all 37.97 0.00 1.55 0.08 0.10 60.30 07:20:11 0 36.17 0.00 1.56 0.05 0.10 62.14 07:20:11 1 36.59 0.00 1.43 0.06 0.09 61.84 07:20:11 2 37.53 0.00 1.58 0.13 0.10 60.66 07:20:11 3 41.60 0.00 1.66 0.07 0.10 56.57 07:30:03 all 30.39 0.00 1.19 0.26 0.07 68.08 07:30:03 0 24.74 0.00 1.03 0.54 0.06 73.62 07:30:03 1 33.40 0.00 1.58 0.27 0.08 64.67 07:30:03 2 36.24 0.00 1.01 0.16 0.07 62.52 07:30:03 3 27.19 0.00 1.15 0.06 0.07 71.52 Average: all 46.92 0.00 1.81 0.27 0.10 50.90 Average: 0 44.91 0.00 1.74 0.26 0.09 53.00 Average: 1 47.50 0.00 1.82 0.35 0.10 50.23 Average: 2 48.52 0.00 1.91 0.30 0.10 49.17 Average: 3 46.75 0.00 1.78 0.17 0.10 51.21