---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-24131 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 60G 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 700 11453 3 3835 14926 Swap: 1023 1 1022 ---> 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:51:cd:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79067sec preferred_lft 79067sec inet6 fe80::f816:3eff:fe51:cd54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:40:9d:e7:1e:f2 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::c040:9dff:fee7:1ef2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24131) 02/28/26 _x86_64_ (4 CPU) 08:28:22 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:08 113.25 8.32 100.05 4.89 796.60 34993.96 11082.23 08:50:11 72.99 28.79 41.84 2.36 448.19 4176.80 3028.92 09:00:01 24.30 0.53 7.53 16.24 23.65 235.32 215320.57 09:10:00 19.73 12.08 7.27 0.38 145.10 262.09 1358.74 09:20:08 17.70 0.13 16.79 0.78 3.77 804.44 1142.48 09:30:01 9.36 0.01 8.98 0.37 0.30 285.05 366.69 09:40:08 5.21 0.05 5.01 0.15 2.44 132.72 74.98 09:50:02 4.87 0.00 4.69 0.17 0.16 137.64 76.41 10:00:08 7.64 0.01 7.28 0.34 1.37 259.72 356.15 10:10:08 2.70 0.00 2.70 0.01 0.28 48.27 0.04 10:20:08 12.05 0.02 11.43 0.60 0.91 675.23 149.23 10:30:02 8.66 2.05 5.95 0.66 159.36 234.93 385.81 Average: 24.98 4.35 18.40 2.23 132.62 3554.29 19150.65 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:08 2160992 13475512 2445744 14.94 256692 10802400 3241184 18.60 2088136 11308812 560252 08:50:11 1932344 4441788 11474124 70.08 262232 2321212 12958600 74.38 1925884 12001992 544 09:00:01 8645308 11187668 4730120 28.89 264040 2352444 5642392 32.39 1948384 5268688 72 09:10:00 7073060 9678340 6241440 38.12 269860 2409392 7050560 40.47 1994156 6802356 228 09:20:08 10283652 13036760 2885188 17.62 275676 2547580 3698952 21.23 2035416 3573912 356 09:30:01 8531688 11325028 4596004 28.07 276980 2586492 5337056 30.63 2038296 5317060 272 09:40:08 8515248 11325132 4595828 28.07 277532 2602452 5323192 30.56 2040064 5330764 128 09:50:02 8437656 11266456 4654452 28.43 278368 2620508 5327784 30.58 2041736 5398144 704 10:00:08 7651208 10520784 5399832 32.98 279408 2660204 6551252 37.60 2047032 6186060 320 10:10:08 6785700 9657896 6262056 38.25 279780 2662436 6946668 39.87 2047548 7032860 244 10:20:08 8306756 11328072 4593060 28.05 283988 2802144 5286568 30.34 2064136 5511720 256 10:30:02 11809992 15318056 605288 3.70 285496 3279212 1261084 7.24 2133472 1925972 406096 Average: 7511134 11046791 4873595 29.77 274171 3303873 5718774 32.83 2033688 6304862 80789 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:08 lo 3.10 3.10 2.32 2.32 0.00 0.00 0.00 0.00 08:40:08 ens3 110.33 88.20 1773.85 10.01 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:11 lo 41.02 41.02 25.24 25.24 0.00 0.00 0.00 0.00 08:50:11 ens3 2.17 1.80 0.45 0.39 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 33.39 33.39 12.66 12.66 0.00 0.00 0.00 0.00 09:00:01 ens3 1.07 0.73 0.22 0.16 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 9.59 9.59 6.01 6.01 0.00 0.00 0.00 0.00 09:10:00 ens3 0.83 0.78 0.13 1.07 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:08 lo 12.37 12.37 5.77 5.77 0.00 0.00 0.00 0.00 09:20:08 ens3 0.98 0.79 0.23 0.19 0.00 0.00 0.00 0.00 09:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 13.26 13.26 6.65 6.65 0.00 0.00 0.00 0.00 09:30:01 ens3 0.77 0.50 0.16 0.11 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 13.01 13.01 7.04 7.04 0.00 0.00 0.00 0.00 09:40:08 ens3 0.78 0.46 0.15 0.11 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 21.10 21.10 7.14 7.14 0.00 0.00 0.00 0.00 09:50:02 ens3 0.53 0.30 0.09 0.06 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:08 lo 20.97 20.97 10.85 10.85 0.00 0.00 0.00 0.00 10:00:08 ens3 0.75 0.55 0.14 0.11 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:08 lo 17.29 17.29 9.43 9.43 0.00 0.00 0.00 0.00 10:10:08 ens3 0.65 0.46 0.15 0.11 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:08 lo 14.94 14.94 8.67 8.67 0.00 0.00 0.00 0.00 10:20:08 ens3 0.92 0.78 0.23 0.19 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:02 lo 32.79 32.79 12.71 12.71 0.00 0.00 0.00 0.00 10:30:02 ens3 2.28 1.79 1.16 0.69 0.00 0.00 0.00 0.00 10:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.36 19.36 9.54 9.54 0.00 0.00 0.00 0.00 Average: ens3 10.27 8.17 149.68 1.11 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24131) 02/28/26 _x86_64_ (4 CPU) 08:28:22 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:08 all 42.57 0.00 2.43 6.96 0.10 47.94 08:40:08 0 42.04 0.00 2.22 5.39 0.10 50.24 08:40:08 1 40.70 0.00 2.53 7.47 0.10 49.19 08:40:08 2 41.97 0.00 2.35 7.97 0.10 47.61 08:40:08 3 45.56 0.00 2.60 7.02 0.10 44.71 08:50:11 all 62.81 0.00 2.50 0.27 0.12 34.30 08:50:11 0 62.04 0.00 2.75 0.24 0.12 34.85 08:50:11 1 62.56 0.00 2.56 0.27 0.12 34.49 08:50:11 2 62.88 0.00 2.40 0.25 0.13 34.33 08:50:11 3 63.74 0.00 2.29 0.31 0.12 33.54 09:00:01 all 16.64 0.00 0.84 0.06 0.09 82.36 09:00:01 0 16.54 0.00 0.77 0.03 0.10 82.56 09:00:01 1 16.53 0.00 0.95 0.05 0.10 82.37 09:00:01 2 16.86 0.00 0.89 0.09 0.10 82.07 09:00:01 3 16.65 0.00 0.74 0.06 0.09 82.45 09:10:00 all 16.13 0.08 0.69 0.09 0.08 82.93 09:10:00 0 15.74 0.01 0.62 0.07 0.08 83.50 09:10:00 1 16.58 0.30 0.66 0.20 0.08 82.18 09:10:00 2 16.06 0.00 0.82 0.03 0.09 83.00 09:10:00 3 16.13 0.01 0.68 0.05 0.08 83.06 09:20:08 all 25.07 0.00 0.94 0.09 0.09 73.81 09:20:08 0 24.86 0.00 0.97 0.05 0.09 74.04 09:20:08 1 25.64 0.00 1.04 0.03 0.09 73.21 09:20:08 2 25.00 0.00 0.88 0.09 0.08 73.95 09:20:08 3 24.78 0.00 0.88 0.18 0.09 74.06 09:30:01 all 15.11 0.00 0.52 0.05 0.08 84.25 09:30:01 0 14.62 0.00 0.47 0.08 0.07 84.76 09:30:01 1 15.53 0.00 0.53 0.01 0.08 83.85 09:30:01 2 14.79 0.00 0.56 0.03 0.08 84.54 09:30:01 3 15.48 0.00 0.52 0.07 0.08 83.86 09:40:08 all 7.58 0.00 0.39 0.02 0.07 91.94 09:40:08 0 7.62 0.00 0.37 0.05 0.07 91.89 09:40:08 1 7.88 0.00 0.43 0.01 0.07 91.61 09:40:08 2 7.51 0.00 0.44 0.02 0.08 91.95 09:40:08 3 7.29 0.00 0.34 0.01 0.07 92.29 09:50:02 all 7.97 0.00 0.44 0.02 0.07 91.49 09:50:02 0 7.84 0.00 0.40 0.03 0.07 91.67 09:50:02 1 7.84 0.00 0.45 0.03 0.08 91.60 09:50:02 2 8.21 0.00 0.48 0.02 0.07 91.23 09:50:02 3 8.00 0.00 0.44 0.01 0.08 91.47 10:00:08 all 15.87 0.00 0.70 0.03 0.08 83.32 10:00:08 0 15.48 0.00 0.66 0.05 0.08 83.73 10:00:08 1 16.33 0.00 0.68 0.04 0.08 82.86 10:00:08 2 16.14 0.00 0.77 0.03 0.08 82.98 10:00:08 3 15.52 0.00 0.67 0.02 0.08 83.71 10:10:08 all 4.17 0.00 0.30 0.01 0.07 95.44 10:10:08 0 4.43 0.00 0.28 0.00 0.06 95.22 10:10:08 1 4.39 0.00 0.34 0.00 0.07 95.19 10:10:08 2 4.16 0.00 0.31 0.03 0.07 95.43 10:10:08 3 3.71 0.00 0.28 0.01 0.07 95.93 10:20:08 all 19.24 0.00 0.77 0.05 0.08 79.87 10:20:08 0 18.61 0.00 0.72 0.04 0.07 80.55 10:20:08 1 20.35 0.00 0.75 0.02 0.08 78.80 10:20:08 2 18.34 0.00 0.79 0.11 0.08 80.69 10:20:08 3 19.66 0.00 0.81 0.03 0.08 79.43 10:20:08 CPU %user %nice %system %iowait %steal %idle 10:30:02 all 10.95 0.00 0.56 0.07 0.08 88.35 10:30:02 0 9.90 0.00 0.48 0.03 0.07 89.52 10:30:02 1 10.98 0.00 0.56 0.01 0.08 88.37 10:30:02 2 9.99 0.00 0.54 0.05 0.08 89.34 10:30:02 3 12.92 0.00 0.67 0.17 0.08 86.16 Average: all 20.38 0.01 0.93 0.65 0.08 77.95 Average: 0 20.02 0.00 0.89 0.51 0.08 78.49 Average: 1 20.48 0.02 0.96 0.68 0.09 77.77 Average: 2 20.20 0.00 0.94 0.73 0.09 78.05 Average: 3 20.83 0.00 0.91 0.67 0.08 77.50