---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54257 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.86 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 66G 16% / 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 670 8977 4 6342 14976 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:70:ee:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82059sec preferred_lft 82059sec inet6 fe80::f816:3eff:fe70:ee41/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:a6:05:5e:3b:41 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54257) 03/30/26 _x86_64_ (4 CPU) 13:34:57 LINUX RESTART (4 CPU) 13:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:30 1.13 0.00 1.12 0.00 0.04 13.72 216.49 14:00:17 1.04 0.00 1.04 0.00 0.00 12.67 0.00 14:10:17 37.09 2.22 34.26 0.60 132.81 2424.14 914.45 14:20:16 32.67 2.96 26.69 3.02 161.46 3986.10 6032.63 14:30:16 29.13 0.01 26.10 3.02 0.16 2468.80 16949.63 14:40:18 19.36 0.32 17.23 1.81 11.71 8171.79 35768.42 Average: 20.13 0.92 17.79 1.41 51.13 2858.15 10030.29 13:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:30 13778704 15525084 493860 3.02 54664 1918600 1136892 6.53 198424 2149552 16 14:00:17 13778704 15525436 493384 3.01 55008 1918624 1136940 6.53 198768 2151600 200 14:10:17 13150924 15534456 447976 2.74 93352 2486088 989124 5.68 318876 2596784 112 14:20:16 9982620 13437580 2521420 15.40 138788 3444612 2951076 16.94 671248 5336104 32660 14:30:16 8930032 12815436 3139964 19.18 158512 3820620 3196536 18.35 784960 6233104 33656 14:40:18 9246352 15380580 568116 3.47 178192 5975588 1103304 6.33 1559408 5058572 76 Average: 11477889 14703095 1277453 7.80 113086 3260689 1752312 10.06 621947 3920953 11120 13:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:50:30 ens3 0.18 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:00:17 ens3 0.31 0.14 0.10 0.06 0.00 0.00 0.00 0.00 14:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:17 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 14:10:17 ens3 47.23 33.50 325.64 7.75 0.00 0.00 0.00 0.00 14:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:16 lo 1577.86 1577.86 1498.42 1498.42 0.00 0.00 0.00 0.00 14:20:16 ens3 125.71 97.83 947.92 26.83 0.00 0.00 0.00 0.00 14:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:16 lo 1335.80 1335.80 1272.55 1272.55 0.00 0.00 0.00 0.00 14:30:16 ens3 34.78 29.73 35.08 10.91 0.00 0.00 0.00 0.00 14:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:18 lo 454.43 454.43 7022.46 7022.46 0.00 0.00 0.00 0.00 14:40:18 ens3 46.89 47.19 105.67 360.74 0.00 0.00 0.00 0.00 14:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 562.89 562.89 1640.76 1640.76 0.00 0.00 0.00 0.00 Average: ens3 42.62 34.84 236.15 68.12 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54257) 03/30/26 _x86_64_ (4 CPU) 13:34:57 LINUX RESTART (4 CPU) 13:40:29 CPU %user %nice %system %iowait %steal %idle 13:50:30 all 0.20 0.00 0.03 0.01 0.02 99.74 13:50:30 0 0.01 0.00 0.01 0.00 0.01 99.97 13:50:30 1 0.03 0.00 0.02 0.00 0.01 99.94 13:50:30 2 0.74 0.00 0.05 0.00 0.03 99.18 13:50:30 3 0.03 0.00 0.03 0.02 0.03 99.88 14:00:17 all 0.06 0.00 0.03 0.01 0.02 99.88 14:00:17 0 0.01 0.00 0.01 0.00 0.00 99.98 14:00:17 1 0.03 0.00 0.03 0.00 0.01 99.93 14:00:17 2 0.02 0.00 0.03 0.00 0.02 99.92 14:00:17 3 0.19 0.00 0.04 0.02 0.04 99.70 14:10:17 all 2.70 0.00 0.33 0.22 0.03 96.71 14:10:17 0 5.02 0.00 0.53 0.61 0.03 93.81 14:10:17 1 1.52 0.00 0.31 0.07 0.02 98.08 14:10:17 2 1.35 0.00 0.24 0.14 0.03 98.24 14:10:17 3 2.91 0.00 0.26 0.08 0.04 96.71 14:20:16 all 64.11 0.00 2.45 0.08 0.09 33.27 14:20:16 0 65.02 0.00 2.38 0.02 0.09 32.49 14:20:16 1 63.54 0.00 2.39 0.06 0.10 33.91 14:20:16 2 63.28 0.00 2.42 0.13 0.09 34.08 14:20:16 3 64.61 0.00 2.61 0.09 0.09 32.59 14:30:16 all 65.16 0.00 2.40 0.05 0.10 32.30 14:30:16 0 63.50 0.00 2.17 0.04 0.09 34.19 14:30:16 1 66.88 0.00 2.53 0.07 0.10 30.43 14:30:16 2 65.25 0.00 2.37 0.04 0.10 32.24 14:30:16 3 64.99 0.00 2.52 0.04 0.10 32.35 14:40:18 all 34.55 0.00 1.21 0.14 0.07 64.02 14:40:18 0 35.13 0.00 0.99 0.17 0.07 63.63 14:40:18 1 37.17 0.00 1.52 0.16 0.07 61.08 14:40:18 2 37.50 0.00 1.30 0.08 0.07 61.05 14:40:18 3 28.42 0.00 1.05 0.13 0.07 70.32 Average: all 27.83 0.00 1.08 0.08 0.06 70.95 Average: 0 28.15 0.00 1.02 0.14 0.05 70.64 Average: 1 28.24 0.00 1.13 0.06 0.05 70.52 Average: 2 28.05 0.00 1.07 0.07 0.06 70.76 Average: 3 26.88 0.00 1.09 0.06 0.06 71.90