---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11722 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 9.7G 68G 13% / 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 607 11327 4 4054 15039 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:5b:ea:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83871sec preferred_lft 83871sec inet6 fe80::f816:3eff:fe5b:eafc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:1c:16:85:25:5c 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-11722) 05/07/26 _x86_64_ (4 CPU) 10:38:03 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 1.02 0.04 0.97 0.01 1.99 14.80 221.99 11:00:11 29.53 1.39 27.64 0.50 103.11 1238.78 359.44 11:10:02 30.70 2.79 14.01 13.89 155.67 3416.59 246066.35 11:20:01 16.16 0.52 13.49 2.15 21.85 2519.77 2928.33 Average: 19.35 1.18 14.08 4.09 70.47 1788.68 61460.03 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 13770036 15521160 497916 3.04 53804 1924124 1157344 6.64 193528 2150432 136 11:00:11 13072292 15400512 580348 3.54 94176 2428404 1177128 6.76 324168 2644768 274968 11:10:02 10701640 13800644 2161408 13.20 124448 3117544 2504532 14.38 528256 4786208 27492 11:20:01 11607208 15400472 555972 3.40 156688 3711704 1083436 6.22 699168 3617856 28792 Average: 12287794 15030697 948911 5.80 107279 2795444 1480610 8.50 436280 3299816 82847 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:50:01 ens3 0.32 0.11 0.09 0.04 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:11 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 11:00:11 ens3 39.43 27.39 280.50 5.91 0.00 0.00 0.00 0.00 11:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 11:10:02 ens3 83.62 67.78 696.57 13.98 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 11:20:01 ens3 65.85 50.55 104.92 17.17 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 47.12 36.30 268.96 9.24 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-11722) 05/07/26 _x86_64_ (4 CPU) 10:38:03 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 0.19 0.00 0.03 0.01 0.02 99.76 10:50:01 0 0.04 0.00 0.05 0.02 0.02 99.87 10:50:01 1 0.56 0.00 0.03 0.01 0.02 99.39 10:50:01 2 0.16 0.00 0.02 0.01 0.02 99.80 10:50:01 3 0.02 0.00 0.01 0.00 0.01 99.97 11:00:11 all 2.38 0.00 0.26 0.20 0.02 97.14 11:00:11 0 3.23 0.00 0.28 0.38 0.02 96.08 11:00:11 1 3.40 0.00 0.31 0.03 0.02 96.23 11:00:11 2 1.52 0.00 0.25 0.35 0.02 97.86 11:00:11 3 1.36 0.00 0.19 0.05 0.02 98.38 11:10:02 all 36.23 0.00 1.18 0.25 0.08 62.27 11:10:02 0 36.23 0.00 0.97 0.12 0.07 62.60 11:10:02 1 36.68 0.00 1.24 0.45 0.08 61.55 11:10:02 2 35.33 0.00 1.19 0.07 0.08 63.34 11:10:02 3 36.67 0.00 1.32 0.36 0.08 61.58 11:20:01 all 66.87 0.00 2.27 0.06 0.14 30.66 11:20:01 0 65.04 0.00 2.33 0.14 0.14 32.36 11:20:01 1 70.49 0.00 2.29 0.05 0.15 27.02 11:20:01 2 67.31 0.00 2.39 0.03 0.14 30.12 11:20:01 3 64.63 0.00 2.08 0.03 0.14 33.13 Average: all 26.23 0.00 0.93 0.13 0.06 72.64 Average: 0 25.95 0.00 0.90 0.17 0.07 72.91 Average: 1 27.60 0.00 0.96 0.13 0.07 71.24 Average: 2 25.89 0.00 0.96 0.12 0.06 72.97 Average: 3 25.48 0.00 0.89 0.11 0.06 73.46