---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-409 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 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 748 9403 4 5837 14898 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:d0:19:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:fed0:199a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:ed:36:2a:67:84 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-409) 07/29/26 _x86_64_ (4 CPU) 20:25:25 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:14 15.21 2.31 11.85 1.04 135.18 3603.68 2243.14 20:50:09 55.74 0.33 45.62 9.79 10.23 4367.70 24872.92 21:00:01 37.59 0.15 30.76 6.68 9.94 5217.02 10624.91 Average: 35.95 0.94 29.22 5.78 52.71 4386.91 12472.52 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:14 10038444 13650112 2307440 14.09 160012 3548416 2548120 14.63 623204 5302492 99576 20:50:09 8671116 13174668 2775224 16.95 205068 4323056 2977544 17.09 822644 6380316 104260 21:00:01 9745228 15355252 590308 3.61 241692 5329484 1111548 6.38 1207000 4850480 4 Average: 9484929 14060011 1890991 11.55 202257 4400319 2212404 12.70 884283 5511096 67947 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:14 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 20:40:14 ens3 102.30 81.00 526.74 21.06 0.00 0.00 0.00 0.00 20:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5052.50 5052.50 4818.64 4818.64 0.00 0.00 0.00 0.00 20:50:09 ens3 92.22 67.26 325.55 20.03 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 3120.30 3120.30 2970.57 2970.57 0.00 0.00 0.00 0.00 21:00:01 ens3 84.94 66.63 105.69 55.11 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2695.40 2695.40 2568.51 2568.51 0.00 0.00 0.00 0.00 Average: ens3 93.26 71.74 321.74 31.92 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-409) 07/29/26 _x86_64_ (4 CPU) 20:25:25 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:14 all 64.73 0.00 2.20 0.05 0.10 32.93 20:40:14 0 61.93 0.00 2.11 0.04 0.09 35.83 20:40:14 1 65.21 0.00 2.20 0.04 0.10 32.45 20:40:14 2 66.22 0.00 2.38 0.09 0.10 31.21 20:40:14 3 65.57 0.00 2.09 0.03 0.10 32.21 20:50:09 all 60.70 0.00 4.02 1.15 0.10 34.03 20:50:09 0 60.23 0.00 3.50 0.08 0.10 36.09 20:50:09 1 61.37 0.00 3.96 0.13 0.10 34.44 20:50:09 2 59.65 0.00 4.50 1.63 0.10 34.13 20:50:09 3 61.54 0.00 4.10 2.77 0.11 31.48 21:00:01 all 53.65 0.00 3.20 0.10 0.09 42.96 21:00:01 0 55.43 0.00 3.23 0.09 0.09 41.16 21:00:01 1 51.37 0.00 2.88 0.08 0.09 45.58 21:00:01 2 53.27 0.00 3.59 0.03 0.09 43.01 21:00:01 3 54.53 0.00 3.08 0.20 0.09 42.10 Average: all 59.75 0.00 3.13 0.43 0.10 36.60 Average: 0 59.23 0.00 2.94 0.07 0.10 37.67 Average: 1 59.39 0.00 3.00 0.08 0.10 37.43 Average: 2 59.79 0.00 3.48 0.58 0.10 36.06 Average: 3 60.61 0.00 3.08 0.99 0.10 35.22