---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25084 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 11G 67G 14% / 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 722 10328 4 4938 14924 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:38:66:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83061sec preferred_lft 83061sec inet6 fe80::f816:3eff:fe38:662b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:b0:3b:1d:24:3a 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-25084) 06/05/26 _x86_64_ (4 CPU) 12:39:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 9.52 6.07 3.29 0.16 1340.93 822.58 975.88 13:00:15 27.58 1.26 26.29 0.03 91.17 610.82 203.63 13:10:15 12.68 0.94 11.18 0.56 40.51 2103.88 465.61 13:20:01 27.96 2.08 11.23 14.64 133.90 3087.58 248485.93 13:30:15 35.57 1.05 30.16 4.36 34.34 4355.87 4083.48 Average: 22.72 2.27 16.56 3.88 326.70 2194.90 49440.40 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13640844 15520988 495636 3.03 55444 2050400 1139616 6.54 257288 2211768 204 13:00:15 13328668 15419356 584092 3.57 70996 2234488 1171288 6.72 355012 2419004 66100 13:10:15 12897916 15488036 485608 2.97 100500 2678404 998560 5.73 401608 2734004 80 13:20:01 10362888 13921056 2037440 12.44 141780 3529884 2307632 13.25 648056 4954764 34940 13:30:15 10676636 15367252 583628 3.56 173564 4547908 1104008 6.34 962120 4232284 44 Average: 12181390 15143338 837281 5.11 108457 3008217 1344221 7.72 524817 3310365 20274 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 16.25 10.85 94.85 2.18 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:15 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:00:15 ens3 29.93 20.05 152.83 5.16 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:15 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 13:10:15 ens3 28.25 23.08 362.08 3.34 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 13:20:01 ens3 95.39 76.02 590.00 20.03 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:15 lo 1657.36 1657.36 1577.53 1577.53 0.00 0.00 0.00 0.00 13:30:15 ens3 87.39 68.59 420.83 58.17 0.00 0.00 0.00 0.00 13:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 338.23 338.23 321.63 321.63 0.00 0.00 0.00 0.00 Average: ens3 51.30 39.59 322.51 17.90 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-25084) 06/05/26 _x86_64_ (4 CPU) 12:39:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.52 0.00 0.11 0.08 0.02 99.26 12:50:01 0 0.28 0.00 0.10 0.04 0.01 99.57 12:50:01 1 0.92 0.00 0.11 0.12 0.02 98.82 12:50:01 2 0.46 0.00 0.13 0.09 0.02 99.31 12:50:01 3 0.44 0.00 0.11 0.08 0.03 99.35 13:00:15 all 0.95 0.00 0.15 0.11 0.02 98.76 13:00:15 0 0.60 0.00 0.11 0.08 0.01 99.18 13:00:15 1 2.02 0.00 0.22 0.11 0.03 97.61 13:00:15 2 0.59 0.00 0.20 0.24 0.03 98.94 13:00:15 3 0.59 0.00 0.07 0.01 0.01 99.31 13:10:15 all 1.98 0.00 0.22 0.21 0.02 97.56 13:10:15 0 2.34 0.00 0.21 0.24 0.01 97.19 13:10:15 1 3.00 0.00 0.33 0.46 0.03 96.18 13:10:15 2 0.96 0.00 0.18 0.10 0.02 98.74 13:10:15 3 1.62 0.00 0.19 0.03 0.03 98.13 13:20:01 all 70.77 0.00 2.29 0.07 0.14 26.74 13:20:01 0 70.03 0.00 2.21 0.08 0.14 27.54 13:20:01 1 72.94 0.00 2.08 0.04 0.14 24.81 13:20:01 2 70.66 0.00 2.32 0.04 0.14 26.84 13:20:01 3 69.44 0.00 2.54 0.11 0.14 27.77 13:30:15 all 62.00 0.00 2.58 0.07 0.11 35.25 13:30:15 0 59.56 0.00 2.50 0.05 0.10 37.79 13:30:15 1 63.04 0.00 2.43 0.06 0.10 34.36 13:30:15 2 64.10 0.00 2.64 0.08 0.11 33.07 13:30:15 3 61.30 0.00 2.73 0.10 0.11 35.76 Average: all 27.04 0.00 1.07 0.11 0.06 71.73 Average: 0 26.33 0.00 1.02 0.10 0.06 72.49 Average: 1 28.16 0.00 1.03 0.16 0.07 70.58 Average: 2 27.15 0.00 1.09 0.11 0.06 71.59 Average: 3 26.49 0.00 1.12 0.07 0.06 72.26