---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1772 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 18G 61G 23% / 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 8852 3 6441 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:0e:42:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79410sec preferred_lft 79410sec inet6 fe80::f816:3eff:fe0e:4241/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:2d:80:65:3f: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 inet6 fe80::e02d:80ff:fe65:3f91/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-1772) 08/03/26 _x86_64_ (4 CPU) 10:51:26 LINUX RESTART (4 CPU) 11:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:15 32.47 2.12 28.76 1.59 87.32 2766.69 2161.87 11:20:01 8.20 0.11 7.66 0.42 1.17 222.96 148.59 11:30:15 7.16 0.01 6.74 0.41 0.59 248.33 500.78 11:40:16 49.88 19.90 28.48 1.51 171.15 1968.56 1830.95 11:50:01 48.27 19.10 27.72 1.46 154.49 1780.74 878.28 12:00:10 4.48 0.00 4.31 0.18 0.00 132.53 144.44 12:10:23 4.26 0.00 4.08 0.18 0.00 139.94 277.42 12:20:01 20.19 0.06 4.10 16.03 1.08 144.57 218409.48 12:30:23 5.16 0.00 4.95 0.21 0.00 162.08 62.12 12:40:23 8.72 0.02 8.36 0.35 0.37 571.28 343.23 Average: 18.70 4.08 12.45 2.17 41.18 808.85 21653.61 11:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:15 1549828 6148724 9781124 59.74 250100 4237756 10954240 62.88 2182840 11972024 748 11:20:01 2370952 6985188 8944340 54.63 251440 4251572 9650316 55.39 2200008 11116108 76 11:30:15 5030732 9666800 6265212 38.27 253036 4271900 7007800 40.22 2207720 8464140 280 11:40:16 8684888 13827128 2104724 12.85 268208 4747196 2998744 17.21 2397920 4622492 44388 11:50:01 6289716 11792312 4139636 25.28 278208 5091096 5188272 29.78 2545952 6854604 396 12:00:10 5879716 11400896 4530476 27.67 278620 5109236 5286496 30.34 2547276 7259796 404 12:10:23 4434636 9977236 5953272 36.36 279024 5130196 6790832 38.98 2549132 8701036 660 12:20:01 5804608 11373852 4557672 27.84 279744 5156064 5845404 33.55 2557348 7329404 532 12:30:23 5799684 11394276 4537204 27.71 280640 5180436 5365464 30.80 2559952 7315664 224 12:40:23 5484716 11211692 4719072 28.82 284788 5302952 5406996 31.04 2574164 7622836 200 Average: 5132948 10377810 5553273 33.92 270381 4847840 6449456 37.02 2432231 8125810 4791 11:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:15 lo 22.96 22.96 13.20 13.20 0.00 0.00 0.00 0.00 11:10:15 ens3 1.43 1.34 0.40 0.33 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 35.63 35.63 14.03 14.03 0.00 0.00 0.00 0.00 11:20:01 ens3 0.90 0.74 0.21 0.16 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 11:30:15 lo 8.15 8.15 5.23 5.23 0.00 0.00 0.00 0.00 11:30:15 ens3 0.60 0.41 0.13 0.09 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 lo 17.80 17.80 14.24 14.24 0.00 0.00 0.00 0.00 11:40:16 ens3 1.70 1.46 0.54 0.44 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 32.10 32.10 15.58 15.58 0.00 0.00 0.00 0.00 11:50:01 ens3 1.88 2.19 0.34 1.39 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:10 lo 20.05 20.05 9.67 9.67 0.00 0.00 0.00 0.00 12:00:10 ens3 0.69 0.70 0.14 0.12 0.00 0.00 0.00 0.00 12:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:23 lo 21.80 21.80 8.88 8.88 0.00 0.00 0.00 0.00 12:10:23 ens3 0.60 0.38 0.15 0.11 0.00 0.00 0.00 0.00 12:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 12.67 12.67 5.37 5.37 0.00 0.00 0.00 0.00 12:20:01 ens3 0.57 0.42 0.14 0.10 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:23 lo 18.58 18.58 11.63 11.63 0.00 0.00 0.00 0.00 12:30:23 ens3 0.61 0.49 0.13 0.10 0.00 0.00 0.00 0.00 12:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:23 lo 18.22 18.22 9.13 9.13 0.00 0.00 0.00 0.00 12:40:23 ens3 1.10 0.86 0.32 0.25 0.00 0.00 0.00 0.00 12:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.72 20.72 10.68 10.68 0.00 0.00 0.00 0.00 Average: ens3 1.00 0.89 0.25 0.31 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-16g-1772) 08/03/26 _x86_64_ (4 CPU) 10:51:26 LINUX RESTART (4 CPU) 11:00:15 CPU %user %nice %system %iowait %steal %idle 11:10:15 all 46.84 0.00 1.81 0.17 0.11 51.08 11:10:15 0 45.94 0.00 1.76 0.09 0.11 52.10 11:10:15 1 47.83 0.00 1.81 0.44 0.11 49.81 11:10:15 2 45.64 0.00 1.85 0.07 0.11 52.33 11:10:15 3 47.94 0.00 1.81 0.09 0.10 50.06 11:20:01 all 20.07 0.00 0.96 0.05 0.10 78.82 11:20:01 0 19.83 0.00 0.93 0.05 0.10 79.09 11:20:01 1 20.15 0.00 0.98 0.01 0.10 78.76 11:20:01 2 20.16 0.00 1.02 0.07 0.10 78.66 11:20:01 3 20.16 0.00 0.91 0.07 0.09 78.77 11:30:15 all 17.61 0.00 0.72 0.06 0.07 81.53 11:30:15 0 17.20 0.00 0.67 0.03 0.07 82.03 11:30:15 1 17.36 0.00 0.73 0.04 0.07 81.80 11:30:15 2 17.69 0.00 0.73 0.11 0.08 81.39 11:30:15 3 18.21 0.00 0.76 0.07 0.07 80.88 11:40:16 all 43.58 0.00 1.53 0.15 0.10 54.64 11:40:16 0 44.22 0.00 1.62 0.10 0.10 53.97 11:40:16 1 43.99 0.00 1.36 0.07 0.10 54.48 11:40:16 2 43.66 0.00 1.49 0.07 0.10 54.68 11:40:16 3 42.46 0.00 1.63 0.36 0.11 55.44 11:50:01 all 43.02 0.00 1.48 0.14 0.10 55.26 11:50:01 0 42.95 0.00 1.50 0.13 0.10 55.33 11:50:01 1 43.18 0.00 1.60 0.10 0.10 55.02 11:50:01 2 43.56 0.00 1.37 0.17 0.10 54.80 11:50:01 3 42.40 0.00 1.45 0.16 0.10 55.88 12:00:10 all 9.85 0.00 0.44 0.02 0.07 89.62 12:00:10 0 9.69 0.00 0.45 0.06 0.06 89.74 12:00:10 1 10.06 0.00 0.43 0.00 0.07 89.45 12:00:10 2 9.54 0.00 0.43 0.00 0.07 89.96 12:00:10 3 10.11 0.00 0.44 0.03 0.07 89.35 12:10:23 all 9.26 0.00 0.37 0.05 0.07 90.25 12:10:23 0 9.45 0.00 0.34 0.12 0.06 90.03 12:10:23 1 9.55 0.00 0.43 0.04 0.07 89.91 12:10:23 2 9.14 0.00 0.39 0.02 0.07 90.38 12:10:23 3 8.91 0.00 0.31 0.02 0.07 90.69 12:20:01 all 7.29 0.00 0.46 0.04 0.07 92.14 12:20:01 0 7.34 0.00 0.53 0.10 0.06 91.97 12:20:01 1 6.92 0.00 0.52 0.01 0.08 92.47 12:20:01 2 7.51 0.00 0.36 0.01 0.06 92.07 12:20:01 3 7.41 0.00 0.42 0.04 0.06 92.06 12:30:23 all 10.56 0.00 0.51 0.03 0.07 88.84 12:30:23 0 10.89 0.00 0.57 0.02 0.07 88.45 12:30:23 1 10.73 0.00 0.48 0.01 0.07 88.72 12:30:23 2 10.12 0.00 0.52 0.04 0.07 89.25 12:30:23 3 10.51 0.00 0.47 0.04 0.07 88.92 12:40:23 all 14.58 0.00 0.55 0.04 0.08 84.76 12:40:23 0 15.65 0.00 0.50 0.02 0.07 83.76 12:40:23 1 14.24 0.00 0.62 0.07 0.08 85.00 12:40:23 2 14.38 0.00 0.51 0.01 0.08 85.03 12:40:23 3 14.05 0.00 0.56 0.05 0.08 85.26 Average: all 22.16 0.00 0.88 0.07 0.08 76.80 Average: 0 22.22 0.00 0.88 0.07 0.08 76.75 Average: 1 22.31 0.00 0.89 0.08 0.08 76.64 Average: 2 22.02 0.00 0.86 0.06 0.08 76.97 Average: 3 22.11 0.00 0.87 0.09 0.08 76.85