---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3851 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 67G 15% / 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 644 9603 4 5741 15002 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:66:65:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 75498sec preferred_lft 75498sec inet6 fe80::f816:3eff:fe66:6597/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:7b:a0:e0:aa:48 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3851) 08/10/26 _x86_64_ (4 CPU) 00:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:14 1.75 0.02 1.73 0.01 0.85 25.46 214.53 00:20:05 1.49 0.00 1.49 0.00 0.00 17.43 0.00 00:30:33 14.63 0.00 1.80 12.83 0.14 51.32 219386.25 00:40:33 2.29 0.00 2.29 0.00 0.00 26.91 0.00 00:50:14 2.01 0.00 2.01 0.00 0.00 23.38 0.00 01:00:14 1.53 0.00 1.53 0.00 0.00 17.48 0.00 01:10:13 4.68 0.03 4.28 0.37 0.27 778.76 7762.88 01:20:13 1.68 0.00 1.68 0.01 0.00 20.46 236.20 01:30:13 1.73 0.00 1.72 0.00 0.08 19.53 0.04 01:40:35 1.51 0.00 1.51 0.00 0.26 17.13 0.00 01:50:16 1.51 0.00 1.51 0.00 0.00 17.23 0.00 02:00:32 1.61 0.00 1.61 0.00 0.00 17.89 0.00 02:10:37 1.63 0.00 1.63 0.00 0.00 18.00 0.00 Average: 2.97 0.00 1.91 1.06 0.12 80.74 18227.69 00:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:14 6046600 12133496 3817740 23.32 133632 6017376 3842592 22.06 606584 9251676 32 00:20:05 6045120 12132536 3818728 23.32 133996 6017508 3842704 22.06 606948 9252492 196 00:30:33 6032268 12134544 3816732 23.31 134584 6031480 3842720 22.06 611984 9263708 216 00:40:33 6032016 12135104 3816184 23.31 135388 6031492 3842688 22.06 612768 9263468 20 00:50:14 6028992 12132808 3818560 23.32 135928 6031628 3842688 22.06 613352 9263024 20 01:00:14 6027232 12131356 3819868 23.33 136224 6031640 3842688 22.06 613616 9262632 36 01:10:13 5744180 12101124 3848280 23.50 141104 6273332 3842888 22.06 648724 9475764 28 01:20:13 5746012 12103400 3845984 23.49 141508 6273348 3842888 22.06 649132 9474084 24 01:30:13 5746204 12104016 3845500 23.49 141900 6273384 3843016 22.06 649556 9474324 56 01:40:35 5746872 12105188 3844320 23.48 142308 6273468 3843016 22.06 649972 9475236 252 01:50:16 5746652 12105388 3844232 23.48 142652 6273544 3843016 22.06 650308 9474580 60 02:00:32 5747020 12106448 3843136 23.47 143072 6273804 3843064 22.06 650728 9475084 20 02:10:37 5746240 12106064 3843476 23.47 143468 6273816 3843016 22.06 651100 9475940 216 Average: 5879647 12117806 3832518 23.41 138905 6159678 3842845 22.06 631906 9375539 90 00:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:10:14 ens3 0.53 0.15 0.13 0.07 0.00 0.00 0.00 0.00 00:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:05 ens3 0.46 0.31 0.11 0.57 0.00 0.00 0.00 0.00 00:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:33 lo 0.18 0.18 0.03 0.03 0.00 0.00 0.00 0.00 00:30:33 ens3 0.59 0.18 0.16 0.09 0.00 0.00 0.00 0.00 00:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:40:33 ens3 1.23 0.21 0.28 0.13 0.00 0.00 0.00 0.00 00:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:14 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 00:50:14 ens3 2.49 0.17 0.40 0.11 0.00 0.00 0.00 0.00 00:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:00:14 ens3 0.54 0.08 0.06 0.02 0.00 0.00 0.00 0.00 01:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:13 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:10:13 ens3 13.57 7.28 324.65 0.54 0.00 0.00 0.00 0.00 01:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:20:13 ens3 0.51 0.13 0.26 0.06 0.00 0.00 0.00 0.00 01:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:13 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 01:30:13 ens3 0.54 0.15 0.13 0.07 0.00 0.00 0.00 0.00 01:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:35 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 01:40:35 ens3 0.46 0.16 0.12 0.07 0.00 0.00 0.00 0.00 01:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:16 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:50:16 ens3 0.58 0.13 0.14 0.07 0.00 0.00 0.00 0.00 01:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:00:32 ens3 2.77 0.32 0.58 0.24 0.00 0.00 0.00 0.00 02:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:37 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 02:10:37 ens3 0.94 0.09 0.12 0.02 0.00 0.00 0.00 0.00 02:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 1.93 0.72 25.08 0.16 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3851) 08/10/26 _x86_64_ (4 CPU) 00:00:14 CPU %user %nice %system %iowait %steal %idle 00:10:14 all 0.35 0.00 0.08 0.03 0.04 99.49 00:10:14 0 1.08 0.00 0.11 0.02 0.06 98.73 00:10:14 1 0.13 0.00 0.08 0.01 0.04 99.74 00:10:14 2 0.12 0.00 0.08 0.05 0.05 99.70 00:10:14 3 0.09 0.00 0.06 0.03 0.03 99.80 00:20:05 all 0.11 0.00 0.08 0.01 0.05 99.76 00:20:05 0 0.09 0.00 0.07 0.00 0.05 99.79 00:20:05 1 0.16 0.00 0.09 0.02 0.06 99.67 00:20:05 2 0.09 0.00 0.08 0.01 0.04 99.78 00:20:05 3 0.09 0.00 0.08 0.00 0.04 99.79 00:30:33 all 0.16 0.00 0.08 0.13 0.04 99.60 00:30:33 0 0.13 0.00 0.06 0.00 0.03 99.78 00:30:33 1 0.17 0.00 0.08 0.02 0.05 99.69 00:30:33 2 0.14 0.00 0.09 0.01 0.05 99.72 00:30:33 3 0.20 0.00 0.08 0.47 0.04 99.21 00:40:33 all 0.14 0.00 0.07 0.01 0.06 99.72 00:40:33 0 0.08 0.00 0.06 0.01 0.06 99.78 00:40:33 1 0.08 0.00 0.07 0.00 0.04 99.82 00:40:33 2 0.08 0.00 0.08 0.02 0.10 99.72 00:40:33 3 0.32 0.00 0.08 0.01 0.04 99.55 00:50:14 all 0.21 0.00 0.07 0.01 0.04 99.66 00:50:14 0 0.12 0.00 0.10 0.03 0.05 99.71 00:50:14 1 0.05 0.00 0.05 0.01 0.03 99.87 00:50:14 2 0.62 0.00 0.07 0.00 0.05 99.25 00:50:14 3 0.05 0.00 0.06 0.02 0.04 99.83 01:00:14 all 0.16 0.00 0.07 0.01 0.04 99.73 01:00:14 0 0.07 0.00 0.06 0.02 0.04 99.82 01:00:14 1 0.07 0.00 0.07 0.00 0.03 99.83 01:00:14 2 0.43 0.00 0.09 0.00 0.06 99.42 01:00:14 3 0.08 0.00 0.06 0.00 0.03 99.83 01:10:13 all 0.50 0.00 0.21 0.06 0.04 99.19 01:10:13 0 0.33 0.00 0.26 0.10 0.03 99.28 01:10:13 1 0.43 0.00 0.15 0.04 0.04 99.35 01:10:13 2 0.29 0.00 0.32 0.08 0.04 99.27 01:10:13 3 0.94 0.00 0.13 0.03 0.05 98.86 01:20:13 all 0.08 0.00 0.07 0.01 0.04 99.79 01:20:13 0 0.06 0.00 0.04 0.00 0.03 99.86 01:20:13 1 0.08 0.00 0.06 0.01 0.04 99.80 01:20:13 2 0.10 0.00 0.07 0.01 0.05 99.78 01:20:13 3 0.09 0.00 0.09 0.02 0.06 99.74 01:30:13 all 0.25 0.00 0.08 0.01 0.05 99.61 01:30:13 0 0.23 0.00 0.09 0.00 0.05 99.62 01:30:13 1 0.12 0.00 0.07 0.02 0.03 99.76 01:30:13 2 0.11 0.00 0.07 0.01 0.04 99.77 01:30:13 3 0.56 0.00 0.09 0.01 0.06 99.28 01:40:35 all 0.21 0.00 0.07 0.01 0.04 99.67 01:40:35 0 0.10 0.00 0.09 0.00 0.04 99.76 01:40:35 1 0.06 0.00 0.05 0.02 0.03 99.85 01:40:35 2 0.07 0.00 0.05 0.01 0.03 99.84 01:40:35 3 0.63 0.00 0.09 0.00 0.06 99.23 01:50:16 all 0.12 0.00 0.07 0.01 0.04 99.77 01:50:16 0 0.18 0.00 0.05 0.01 0.03 99.73 01:50:16 1 0.09 0.00 0.08 0.00 0.04 99.79 01:50:16 2 0.11 0.00 0.07 0.02 0.04 99.76 01:50:16 3 0.09 0.00 0.07 0.00 0.05 99.79 01:50:16 CPU %user %nice %system %iowait %steal %idle 02:00:32 all 0.26 0.00 0.06 0.01 0.04 99.62 02:00:32 0 0.16 0.00 0.08 0.01 0.05 99.70 02:00:32 1 0.08 0.00 0.05 0.01 0.04 99.82 02:00:32 2 0.75 0.00 0.07 0.01 0.05 99.13 02:00:32 3 0.06 0.00 0.05 0.01 0.04 99.85 02:10:37 all 0.33 0.00 0.07 0.01 0.04 99.55 02:10:37 0 1.03 0.00 0.06 0.02 0.04 98.85 02:10:37 1 0.09 0.00 0.08 0.01 0.05 99.77 02:10:37 2 0.10 0.00 0.09 0.00 0.05 99.76 02:10:37 3 0.08 0.00 0.06 0.00 0.04 99.82 Average: all 0.22 0.00 0.08 0.02 0.04 99.63 Average: 0 0.28 0.00 0.09 0.02 0.04 99.57 Average: 1 0.12 0.00 0.07 0.01 0.04 99.75 Average: 2 0.23 0.00 0.09 0.02 0.05 99.61 Average: 3 0.25 0.00 0.08 0.05 0.04 99.58