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https://issues.apache.org/jira/browse/TS-3032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14115477#comment-14115477
]
Nikolai Gorchilov commented on TS-3032:
---------------------------------------
I also suspect vm.max_map_count to be the reason behind the failure. Just
checked the number of allocations at the other box and it stands at 50222
currently.
Added crontab logging facility in order to track number of ATS memory maps:
{noformat}
* * * * * cat /proc/18455/maps | wc -l | xargs echo "$(date):" >> /tmp/maps.log
{noformat}
If I'm right ATS will crash soon and the last logged value would be just bellow
vm.max_map_count (65530)
> FATAL: ats_malloc: couldn't allocate XXXXXX bytes
> -------------------------------------------------
>
> Key: TS-3032
> URL: https://issues.apache.org/jira/browse/TS-3032
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Affects Versions: 5.0.1
> Reporter: Nikolai Gorchilov
> Assignee: Brian Geffon
> Labels: crash
> Fix For: 5.2.0
>
> Attachments: memory.d.png
>
>
> ATS 5.0.1 under Unbuntu 12.04.4 running happily for days suddenly crashes due
> to memory allocation issue. Happens once or twice a week.
> Server is having plenty of RAM - 128G - out of which 64G+ are free. Nothing
> suspicious in dmesg.
> {noformat}
> FATAL: ats_malloc: couldn't allocate 155648 bytes
> /z/bin/traffic_server - STACK TRACE:
> /z/lib/libtsutil.so.5(+0x1e837)[0x2b6251b3d837]
> /z/lib/libtsutil.so.5(ats_malloc+0x30)[0x2b6251b40c50]
> /z/bin/traffic_server(HdrHeap::coalesce_str_heaps(int)+0x34)[0x62e834]
> /z/bin/traffic_server(http_hdr_clone(HTTPHdrImpl*, HdrHeap*,
> HdrHeap*)+0x8f)[0x62a54f]
> /z/bin/traffic_server(HttpTransactHeaders::copy_header_fields(HTTPHdr*,
> HTTPHdr*, bool, long)+0x1ae)[0x5d08de]
> /z/bin/traffic_server(HttpTransact::build_request(HttpTransact::State*,
> HTTPHdr*, HTTPHdr*, HTTPVersion)+0x5c)[0x5b280c]
> /z/bin/traffic_server(HttpTransact::HandleCacheOpenReadMiss(HttpTransact::State*)+0x2c8)[0x5c2ce8]
> /z/bin/traffic_server(HttpSM::call_transact_and_set_next_state(void
> (*)(HttpTransact::State*))+0x66)[0x58e356]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x343)[0x599c03]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x238)[0x5a0528]
> /z/bin/traffic_server(HttpSM::do_hostdb_lookup()+0x27a)[0x58e84a]
> /z/bin/traffic_server(HttpSM::set_next_state()+0xd48)[0x5a1038]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x343)[0x599c03]
> /z/bin/traffic_server(HttpSM::state_api_callback(int, void*)+0x8a)[0x59c81a]
> /z/bin/traffic_server(TSHttpTxnReenable+0x141)[0x4caa51]
> /z/lib/plugins/x3me_dscp.so(http_txn_hook(tsapi_cont*, TSEvent,
> void*)+0x236)[0x2b626342b508]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x102)[0x5999c2]
> /z/bin/traffic_server(HttpSM::state_cache_open_read(int,
> void*)+0x180)[0x59b070]
> /z/bin/traffic_server(HttpSM::main_handler(int, void*)+0xd8)[0x59ad98]
> /z/bin/traffic_server(HttpCacheSM::state_cache_open_read(int,
> void*)+0x173)[0x57bbb3]
> /z/bin/traffic_server(Cache::open_read(Continuation*, INK_MD5*, HTTPHdr*,
> CacheLookupHttpConfig*, CacheFragType, char*, int)+0x616)[0x6d65a6]
> /z/bin/traffic_server(CacheProcessor::open_read(Continuation*, URL*, bool,
> HTTPHdr*, CacheLookupHttpConfig*, long, CacheFragType)+0xb0)[0x6b1af0]
> /z/bin/traffic_server(HttpCacheSM::open_read(URL*, HTTPHdr*,
> CacheLookupHttpConfig*, long)+0x83)[0x57c2d3]
> /z/bin/traffic_server(HttpSM::do_cache_lookup_and_read()+0xfb)[0x58baeb]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x888)[0x5a0b78]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x343)[0x599c03]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x238)[0x5a0528]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x7e2)[0x5a0ad2]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x343)[0x599c03]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x238)[0x5a0528]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x343)[0x599c03]
> /z/bin/traffic_server(HttpSM::state_api_callback(int, void*)+0x8a)[0x59c81a]
> /z/bin/traffic_server(TSHttpTxnReenable+0x141)[0x4caa51]
> /z/lib/plugins/cacheurl.so(+0x17dc)[0x2b6263a477dc]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x102)[0x5999c2]
> /z/bin/traffic_server(HttpSM::state_api_callback(int, void*)+0x8a)[0x59c81a]
> /z/bin/traffic_server(TSHttpTxnReenable+0x141)[0x4caa51]
> /z/lib/plugins/tslua.so(+0x596f)[0x2b626363396f]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x102)[0x5999c2]
> /z/bin/traffic_server(HttpSM::state_api_callback(int, void*)+0x8a)[0x59c81a]
> /z/bin/traffic_server(TSHttpTxnReenable+0x141)[0x4caa51]
> /z/lib/plugins/stats_over_http.so(+0x1235)[0x2b6263228235]
> /z/bin/traffic_server(HttpSM::state_api_callout(int, void*)+0x102)[0x5999c2]
> /z/bin/traffic_server(HttpSM::set_next_state()+0x238)[0x5a0528]
> /z/bin/traffic_server(HttpSM::state_read_client_request_header(int,
> void*)+0x22b)[0x59270b]
> /z/bin/traffic_server(HttpSM::main_handler(int, void*)+0xd8)[0x59ad98]
> /z/bin/traffic_server[0x714a60]
> /z/bin/traffic_server(NetHandler::mainNetEvent(int, Event*)+0x1ed)[0x7077cd]
> /z/bin/traffic_server(EThread::process_event(Event*, int)+0x91)[0x736111]
> /z/bin/traffic_server(EThread::execute()+0x4fc)[0x736bcc]
> /z/bin/traffic_server[0x7353aa]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x2b6253148e9a]
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x2b6253e6873d]
> {noformat}
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