---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23742 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 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 695 8268 4 7025 14951 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:fa:40:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83673sec preferred_lft 83673sec inet6 fe80::f816:3eff:fefa:4023/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:84:36:cf:25:91 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-23742) 06/04/26 _x86_64_ (4 CPU) 18:29:50 LINUX RESTART (4 CPU) 18:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:16 58.52 11.82 44.50 2.20 1519.17 11341.65 5092.82 18:50:16 21.83 0.03 19.47 2.32 0.99 2085.11 3872.84 19:00:16 45.83 0.03 28.82 16.98 0.51 4409.99 242132.54 19:10:16 12.34 0.29 10.64 1.40 11.41 6607.83 52057.61 Average: 34.79 3.10 25.98 5.70 390.59 6146.00 75317.86 18:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:16 10033624 13357440 2603616 15.90 123440 3345256 2667092 15.31 580336 5384108 28868 18:50:16 9059276 12810996 3145680 19.21 146660 3710664 3181880 18.26 727560 6178924 20532 19:00:16 7373152 12134836 3817164 23.31 166912 4655360 3700884 21.24 1011776 7526908 276 19:10:16 8522480 15355464 590452 3.61 183072 6643484 1114188 6.40 1760772 5533220 242228 Average: 8747133 13414684 2539228 15.51 155021 4588691 2666011 15.30 1020111 6155790 72976 18:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:16 lo 1054.25 1054.25 1004.90 1004.90 0.00 0.00 0.00 0.00 18:40:16 ens3 154.31 114.37 1326.21 22.88 0.00 0.00 0.00 0.00 18:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:16 lo 1179.71 1179.71 1117.66 1117.66 0.00 0.00 0.00 0.00 18:50:16 ens3 34.09 27.27 21.03 9.92 0.00 0.00 0.00 0.00 18:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:16 lo 1365.18 1365.18 1296.70 1296.70 0.00 0.00 0.00 0.00 19:00:16 ens3 45.67 34.95 30.47 12.83 0.00 0.00 0.00 0.00 19:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:16 lo 2575.65 2575.65 9298.64 9298.64 0.00 0.00 0.00 0.00 19:10:16 ens3 26.77 26.82 128.01 188.99 0.00 0.00 0.00 0.00 19:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1540.43 1540.43 3164.98 3164.98 0.00 0.00 0.00 0.00 Average: ens3 65.80 51.28 382.76 58.41 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-23742) 06/04/26 _x86_64_ (4 CPU) 18:29:50 LINUX RESTART (4 CPU) 18:30:00 CPU %user %nice %system %iowait %steal %idle 18:40:16 all 34.55 0.00 1.90 5.52 0.08 57.95 18:40:16 0 33.42 0.00 1.78 6.86 0.08 57.85 18:40:16 1 34.62 0.00 2.04 6.79 0.08 56.47 18:40:16 2 36.12 0.00 1.78 1.89 0.08 60.13 18:40:16 3 34.05 0.00 1.98 6.55 0.08 57.34 18:50:16 all 62.95 0.00 2.10 0.42 0.11 34.42 18:50:16 0 61.56 0.00 2.19 0.34 0.11 35.81 18:50:16 1 64.33 0.00 2.10 0.20 0.11 33.25 18:50:16 2 64.33 0.00 2.19 0.32 0.11 33.05 18:50:16 3 61.58 0.00 1.92 0.80 0.11 35.59 19:00:16 all 57.29 0.00 2.39 0.47 0.11 39.74 19:00:16 0 57.40 0.00 2.58 0.72 0.12 39.18 19:00:16 1 57.19 0.00 2.27 0.53 0.11 39.90 19:00:16 2 56.35 0.00 2.50 0.40 0.12 40.63 19:00:16 3 58.22 0.00 2.19 0.21 0.11 39.26 19:10:16 all 31.78 0.00 1.32 1.34 0.08 65.47 19:10:16 0 32.46 0.00 1.18 0.51 0.08 65.77 19:10:16 1 30.66 0.00 1.36 2.22 0.08 65.68 19:10:16 2 34.94 0.00 1.07 1.12 0.08 62.78 19:10:16 3 29.08 0.00 1.68 1.51 0.08 67.65 Average: all 46.55 0.00 1.93 1.96 0.10 49.47 Average: 0 46.11 0.00 1.93 2.14 0.10 49.73 Average: 1 46.60 0.00 1.94 2.46 0.09 48.90 Average: 2 47.85 0.00 1.89 0.94 0.10 49.23 Average: 3 45.64 0.00 1.94 2.30 0.09 50.03